[INFO] cloning repository https://github.com/jundl77/html-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jundl77/html-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjundl77%2Fhtml-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjundl77%2Fhtml-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2065e97442f4dce6802ddca1b12835301be13422
[INFO] testing jundl77/html-rust against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjundl77%2Fhtml-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jundl77/html-rust on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jundl77/html-rust
[INFO] finished tweaking git repo https://github.com/jundl77/html-rust
[INFO] tweaked toml for git repo https://github.com/jundl77/html-rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/jundl77/html-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 977ffb31d5ada4a8897462815b6072510f832bc43cbffaf8656583a559e80819
[INFO] running `Command { std: "docker" "start" "-a" "977ffb31d5ada4a8897462815b6072510f832bc43cbffaf8656583a559e80819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "977ffb31d5ada4a8897462815b6072510f832bc43cbffaf8656583a559e80819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "977ffb31d5ada4a8897462815b6072510f832bc43cbffaf8656583a559e80819", kill_on_drop: false }`
[INFO] [stdout] 977ffb31d5ada4a8897462815b6072510f832bc43cbffaf8656583a559e80819
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c098ea071988189e4d67469f445aa472950e08fcf31a07cd45422ff292cb0c66
[INFO] running `Command { std: "docker" "start" "-a" "c098ea071988189e4d67469f445aa472950e08fcf31a07cd45422ff292cb0c66", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling modifier v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling route-recognizer v0.1.12
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling smallvec v0.6.8
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling simplelog v0.5.3
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]    Compiling hyper v0.10.15
[INFO] [stderr]    Compiling serde_json v1.0.37
[INFO] [stderr]    Compiling iron v0.6.0
[INFO] [stderr]    Compiling persistent v0.4.0
[INFO] [stderr]    Compiling router v0.6.0
[INFO] [stderr]    Compiling logger v0.4.0 (https://github.com/iron/logger.git#59873ba2)
[INFO] [stderr]    Compiling iron-cors v0.8.0
[INFO] [stderr]    Compiling bodyparser v0.8.0 (https://github.com/iron/body-parser.git#49ae53cd)
[INFO] [stderr]    Compiling html-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Standard`, `Uniform`
[INFO] [stdout]  --> src/lib.rs:5:41
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::distributions::{Alphanumeric, Uniform, Standard};
[INFO] [stdout]   |                                         ^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iron::prelude::*`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use iron::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iron::status`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use iron::status;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `iron::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:68:74
[INFO] [stdout]    |
[INFO] [stdout] 68 |         Err(why) => panic!("couldn't create {}: {}", path.display(), why.description()),
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `iron::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:73:76
[INFO] [stdout]    |
[INFO] [stdout] 73 |         Err(why) => panic!("couldn't write to {}: {}", path.display(), why.description()),
[INFO] [stdout]    |                                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TEST`
[INFO] [stdout]   --> src/lib.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | / const TEST: &str = "
[INFO] [stdout] 33 | | fn render() -> DOMTree<String> {
[INFO] [stdout] 34 | |     let code = \"HELLO WORLD!\";
[INFO] [stdout] 35 | |
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | | }
[INFO] [stdout] 40 | | ";
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fs::remove_file(format!("data/eval_{}.rs", rand));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fs::remove_file(format!("data/{}_crate", rand));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fs::remove_file(format!("data/{}_crate.d", rand));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fs::remove_dir_all(format!("data/{}_crate.dSYM", rand));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `persistent::Read`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use persistent::Read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iron::typemap::Key`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use iron::typemap::Key;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::process::Command;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Standard`, `Uniform`
[INFO] [stdout]  --> src/lib.rs:5:41
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::distributions::{Alphanumeric, Uniform, Standard};
[INFO] [stdout]   |                                         ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iron::prelude::*`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use iron::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iron::status`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use iron::status;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `iron::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:68:74
[INFO] [stdout]    |
[INFO] [stdout] 68 |         Err(why) => panic!("couldn't create {}: {}", path.display(), why.description()),
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `iron::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:73:76
[INFO] [stdout]    |
[INFO] [stdout] 73 |         Err(why) => panic!("couldn't write to {}: {}", path.display(), why.description()),
[INFO] [stdout]    |                                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/main.rs:47:19
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn status_handler(req: &mut Request) -> IronResult<Response> {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TEST`
[INFO] [stdout]   --> src/lib.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | / const TEST: &str = "
[INFO] [stdout] 33 | | fn render() -> DOMTree<String> {
[INFO] [stdout] 34 | |     let code = \"HELLO WORLD!\";
[INFO] [stdout] 35 | |
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | | }
[INFO] [stdout] 40 | | ";
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     TermLogger::init(LevelFilter::Info, Config::default());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fs::create_dir_all("data");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fs::remove_file(format!("data/eval_{}.rs", rand));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fs::remove_file(format!("data/{}_crate", rand));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fs::remove_file(format!("data/{}_crate.d", rand));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fs::remove_dir_all(format!("data/{}_crate.dSYM", rand));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.28s
[INFO] running `Command { std: "docker" "inspect" "c098ea071988189e4d67469f445aa472950e08fcf31a07cd45422ff292cb0c66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c098ea071988189e4d67469f445aa472950e08fcf31a07cd45422ff292cb0c66", kill_on_drop: false }`
[INFO] [stdout] c098ea071988189e4d67469f445aa472950e08fcf31a07cd45422ff292cb0c66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e909a1e5f606cbdf0909da47443315181ee54efd7738902402da4dd4de35810
[INFO] running `Command { std: "docker" "start" "-a" "5e909a1e5f606cbdf0909da47443315181ee54efd7738902402da4dd4de35810", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `Standard`, `Uniform`
[INFO] [stdout]  --> src/lib.rs:5:41
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::distributions::{Alphanumeric, Uniform, Standard};
[INFO] [stdout]   |                                         ^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iron::prelude::*`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use iron::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iron::status`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use iron::status;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `iron::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:68:74
[INFO] [stdout]    |
[INFO] [stdout] 68 |         Err(why) => panic!("couldn't create {}: {}", path.display(), why.description()),
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `iron::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:73:76
[INFO] [stdout]    |
[INFO] [stdout] 73 |         Err(why) => panic!("couldn't write to {}: {}", path.display(), why.description()),
[INFO] [stdout]    |                                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TEST`
[INFO] [stdout]   --> src/lib.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | / const TEST: &str = "
[INFO] [stdout] 33 | | fn render() -> DOMTree<String> {
[INFO] [stdout] 34 | |     let code = \"HELLO WORLD!\";
[INFO] [stdout] 35 | |
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | | }
[INFO] [stdout] 40 | | ";
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fs::remove_file(format!("data/eval_{}.rs", rand));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fs::remove_file(format!("data/{}_crate", rand));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling html-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fs::remove_file(format!("data/{}_crate.d", rand));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fs::remove_dir_all(format!("data/{}_crate.dSYM", rand));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `persistent::Read`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use persistent::Read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iron::typemap::Key`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use iron::typemap::Key;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::process::Command;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Standard`, `Uniform`
[INFO] [stdout]  --> src/lib.rs:5:41
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::distributions::{Alphanumeric, Uniform, Standard};
[INFO] [stdout]   |                                         ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iron::prelude::*`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use iron::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iron::status`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use iron::status;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `iron::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:68:74
[INFO] [stdout]    |
[INFO] [stdout] 68 |         Err(why) => panic!("couldn't create {}: {}", path.display(), why.description()),
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `iron::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:73:76
[INFO] [stdout]    |
[INFO] [stdout] 73 |         Err(why) => panic!("couldn't write to {}: {}", path.display(), why.description()),
[INFO] [stdout]    |                                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/main.rs:47:19
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn status_handler(req: &mut Request) -> IronResult<Response> {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TEST`
[INFO] [stdout]   --> src/lib.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | / const TEST: &str = "
[INFO] [stdout] 33 | | fn render() -> DOMTree<String> {
[INFO] [stdout] 34 | |     let code = \"HELLO WORLD!\";
[INFO] [stdout] 35 | |
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | | }
[INFO] [stdout] 40 | | ";
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     TermLogger::init(LevelFilter::Info, Config::default());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fs::create_dir_all("data");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fs::remove_file(format!("data/eval_{}.rs", rand));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fs::remove_file(format!("data/{}_crate", rand));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fs::remove_file(format!("data/{}_crate.d", rand));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fs::remove_dir_all(format!("data/{}_crate.dSYM", rand));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Standard`, `Uniform`
[INFO] [stdout]  --> src/lib.rs:5:41
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::distributions::{Alphanumeric, Uniform, Standard};
[INFO] [stdout]   |                                         ^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iron::prelude::*`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use iron::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iron::status`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use iron::status;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `persistent::Read`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use persistent::Read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iron::typemap::Key`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use iron::typemap::Key;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::process::Command;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Standard`, `Uniform`
[INFO] [stdout]  --> src/lib.rs:5:41
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::distributions::{Alphanumeric, Uniform, Standard};
[INFO] [stdout]   |                                         ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iron::prelude::*`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use iron::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iron::status`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use iron::status;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `iron::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:68:74
[INFO] [stdout]    |
[INFO] [stdout] 68 |         Err(why) => panic!("couldn't create {}: {}", path.display(), why.description()),
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `iron::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:73:76
[INFO] [stdout]    |
[INFO] [stdout] 73 |         Err(why) => panic!("couldn't write to {}: {}", path.display(), why.description()),
[INFO] [stdout]    |                                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `iron::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:68:74
[INFO] [stdout]    |
[INFO] [stdout] 68 |         Err(why) => panic!("couldn't create {}: {}", path.display(), why.description()),
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TEST`
[INFO] [stdout]   --> src/lib.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | / const TEST: &str = "
[INFO] [stdout] 33 | | fn render() -> DOMTree<String> {
[INFO] [stdout] 34 | |     let code = \"HELLO WORLD!\";
[INFO] [stdout] 35 | |
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | | }
[INFO] [stdout] 40 | | ";
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `iron::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:73:76
[INFO] [stdout]    |
[INFO] [stdout] 73 |         Err(why) => panic!("couldn't write to {}: {}", path.display(), why.description()),
[INFO] [stdout]    |                                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fs::remove_file(format!("data/eval_{}.rs", rand));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fs::remove_file(format!("data/{}_crate", rand));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fs::remove_file(format!("data/{}_crate.d", rand));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fs::remove_dir_all(format!("data/{}_crate.dSYM", rand));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> src/main.rs:47:19
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn status_handler(req: &mut Request) -> IronResult<Response> {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TEST`
[INFO] [stdout]   --> src/lib.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | / const TEST: &str = "
[INFO] [stdout] 33 | | fn render() -> DOMTree<String> {
[INFO] [stdout] 34 | |     let code = \"HELLO WORLD!\";
[INFO] [stdout] 35 | |
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | | }
[INFO] [stdout] 40 | | ";
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     TermLogger::init(LevelFilter::Info, Config::default());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fs::create_dir_all("data");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fs::remove_file(format!("data/eval_{}.rs", rand));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fs::remove_file(format!("data/{}_crate", rand));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fs::remove_file(format!("data/{}_crate.d", rand));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fs::remove_dir_all(format!("data/{}_crate.dSYM", rand));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "5e909a1e5f606cbdf0909da47443315181ee54efd7738902402da4dd4de35810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e909a1e5f606cbdf0909da47443315181ee54efd7738902402da4dd4de35810", kill_on_drop: false }`
[INFO] [stdout] 5e909a1e5f606cbdf0909da47443315181ee54efd7738902402da4dd4de35810
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 81f93f76bcc29333324290c6abe0db50e10ba269e90658ac04f2b9502e18335c
[INFO] running `Command { std: "docker" "start" "-a" "81f93f76bcc29333324290c6abe0db50e10ba269e90658ac04f2b9502e18335c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused imports: `Standard`, `Uniform`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/lib.rs:5:41
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 5 | use rand::distributions::{Alphanumeric, Uniform, Standard};
[INFO] [stdout] 
[INFO] [stderr]   |                                         ^^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `iron::prelude::*`
[INFO] [stderr]  --> src/lib.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use iron::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `iron::status`
[INFO] [stderr]  --> src/lib.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use iron::status;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `iron::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:68:74
[INFO] [stderr]    |
[INFO] [stderr] 68 |         Err(why) => panic!("couldn't create {}: {}", path.display(), why.description()),
[INFO] [stderr]    |                                                                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `iron::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:73:76
[INFO] [stderr]    |
[INFO] [stderr] 73 |         Err(why) => panic!("couldn't write to {}: {}", path.display(), why.description()),
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `TEST`
[INFO] [stderr]   --> src/lib.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | / const TEST: &str = "
[INFO] [stderr] 33 | | fn render() -> DOMTree<String> {
[INFO] [stderr] 34 | |     let code = \"HELLO WORLD!\";
[INFO] [stderr] 35 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 39 | | }
[INFO] [stderr] 40 | | ";
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     fs::remove_file(format!("data/eval_{}.rs", rand));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     fs::remove_file(format!("data/{}_crate", rand));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fs::remove_file(format!("data/{}_crate.d", rand));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     fs::remove_dir_all(format!("data/{}_crate.dSYM", rand));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Standard`, `Uniform`
[INFO] [stderr]  --> src/lib.rs:5:41
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::distributions::{Alphanumeric, Uniform, Standard};
[INFO] [stderr]   |                                         ^^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `iron::prelude::*`
[INFO] [stderr]  --> src/lib.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use iron::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `iron::status`
[INFO] [stderr]  --> src/lib.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use iron::status;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `iron::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:68:74
[INFO] [stderr]    |
[INFO] [stderr] 68 |         Err(why) => panic!("couldn't create {}: {}", path.display(), why.description()),
[INFO] [stderr]    |                                                                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `iron::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:73:76
[INFO] [stderr]    |
[INFO] [stderr] 73 |         Err(why) => panic!("couldn't write to {}: {}", path.display(), why.description()),
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `TEST`
[INFO] [stderr]   --> src/lib.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | / const TEST: &str = "
[INFO] [stderr] 33 | | fn render() -> DOMTree<String> {
[INFO] [stderr] 34 | |     let code = \"HELLO WORLD!\";
[INFO] [stderr] 35 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 39 | | }
[INFO] [stderr] 40 | | ";
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     fs::remove_file(format!("data/eval_{}.rs", rand));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     fs::remove_file(format!("data/{}_crate", rand));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fs::remove_file(format!("data/{}_crate.d", rand));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     fs::remove_dir_all(format!("data/{}_crate.dSYM", rand));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `persistent::Read`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use persistent::Read;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `iron::typemap::Key`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use iron::typemap::Key;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::Command`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use std::process::Command;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Standard`, `Uniform`
[INFO] [stderr]  --> src/lib.rs:5:41
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::distributions::{Alphanumeric, Uniform, Standard};
[INFO] [stderr]   |                                         ^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `iron::prelude::*`
[INFO] [stderr]  --> src/lib.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use iron::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `iron::status`
[INFO] [stderr]  --> src/lib.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use iron::status;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `iron::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:68:74
[INFO] [stderr]    |
[INFO] [stderr] 68 |         Err(why) => panic!("couldn't create {}: {}", path.display(), why.description()),
[INFO] [stderr]    |                                                                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `iron::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:73:76
[INFO] [stderr]    |
[INFO] [stderr] 73 |         Err(why) => panic!("couldn't write to {}: {}", path.display(), why.description()),
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/main.rs:47:19
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn status_handler(req: &mut Request) -> IronResult<Response> {
[INFO] [stderr]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `TEST`
[INFO] [stderr]   --> src/lib.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | / const TEST: &str = "
[INFO] [stderr] 33 | | fn render() -> DOMTree<String> {
[INFO] [stderr] 34 | |     let code = \"HELLO WORLD!\";
[INFO] [stderr] 35 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 39 | | }
[INFO] [stderr] 40 | | ";
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     TermLogger::init(LevelFilter::Info, Config::default());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fs::create_dir_all("data");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     fs::remove_file(format!("data/eval_{}.rs", rand));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     fs::remove_file(format!("data/{}_crate", rand));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fs::remove_file(format!("data/{}_crate.d", rand));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     fs::remove_dir_all(format!("data/{}_crate.dSYM", rand));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `persistent::Read`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use persistent::Read;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `iron::typemap::Key`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use iron::typemap::Key;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::Command`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use std::process::Command;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Standard`, `Uniform`
[INFO] [stderr]  --> src/lib.rs:5:41
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::distributions::{Alphanumeric, Uniform, Standard};
[INFO] [stderr]   |                                         ^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `iron::prelude::*`
[INFO] [stderr]  --> src/lib.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use iron::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `iron::status`
[INFO] [stderr]  --> src/lib.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use iron::status;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `iron::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:68:74
[INFO] [stderr]    |
[INFO] [stderr] 68 |         Err(why) => panic!("couldn't create {}: {}", path.display(), why.description()),
[INFO] [stderr]    |                                                                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `iron::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:73:76
[INFO] [stderr]    |
[INFO] [stderr] 73 |         Err(why) => panic!("couldn't write to {}: {}", path.display(), why.description()),
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/main.rs:47:19
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn status_handler(req: &mut Request) -> IronResult<Response> {
[INFO] [stderr]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `TEST`
[INFO] [stderr]   --> src/lib.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | / const TEST: &str = "
[INFO] [stderr] 33 | | fn render() -> DOMTree<String> {
[INFO] [stderr] 34 | |     let code = \"HELLO WORLD!\";
[INFO] [stderr] 35 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 39 | | }
[INFO] [stderr] 40 | | ";
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     TermLogger::init(LevelFilter::Info, Config::default());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fs::create_dir_all("data");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     fs::remove_file(format!("data/eval_{}.rs", rand));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     fs::remove_file(format!("data/{}_crate", rand));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fs::remove_file(format!("data/{}_crate.d", rand));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/lib.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     fs::remove_dir_all(format!("data/{}_crate.dSYM", rand));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/html_rust-71b4d290026672aa)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/html_rust-4300e19df9083aa4)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-5f6251fddb3c7987)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_transpile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_transpile stdout ----
[INFO] [stdout] thread 'tests::test_transpile' panicked at 'couldn't create data/eval_cMILFuiYzmyXESIhHpW08MgdbI7dhiqQnXYk8wgivuzGTb6NOQOpkldAVvDV.rs: read-only filesystem or storage medium', src/lib.rs:68:21
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x562f572cec20 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x562f572cec20 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x562f572cec20 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x562f572cec20 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2a772198c4032452
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x562f572f24ec - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x562f572cb8d5 - std::io::Write::write_fmt::h583dff5009d01a9f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/io/mod.rs:1663:15
[INFO] [stdout]    6:     0x562f572d11bb - std::sys_common::backtrace::_print::h5b3c171e6f864ae4
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x562f572d11bb - std::sys_common::backtrace::print::h93b9e9ed2a98e611
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x562f572d11bb - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x562f572d0ccc - std::panicking::default_hook::hdbc8b2951c5afbab
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x562f572d1884 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x562f572d1367 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x562f572cf11c - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x562f572d12c9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x562f57244f3b - std::panicking::begin_panic_fmt::h124dfb9fde553188
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:457:5
[INFO] [stdout]   15:     0x562f572810a0 - html_rust::create_src_file::h38cab4a61cf508db
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:68:21
[INFO] [stdout]   16:     0x562f57280bb0 - html_rust::eval::h48333b3e64d7b68a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:50:5
[INFO] [stdout]   17:     0x562f57280ac8 - html_rust::transpile::hb4a15112680f0ab7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:44:12
[INFO] [stdout]   18:     0x562f5724611e - tests::tests::test_transpile::h7b9b78b829dfa712
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/tests.rs:20:38
[INFO] [stdout]   19:     0x562f572460ea - tests::tests::test_transpile::{{closure}}::h5ca03276c9bcffec
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/tests.rs:19:5
[INFO] [stdout]   20:     0x562f57245f3e - core::ops::function::FnOnce::call_once::h5a296921f1b27b0d
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x562f5726e913 - core::ops::function::FnOnce::call_once::h99a97b0ff983bd25
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   22:     0x562f5726e913 - test::__rust_begin_short_backtrace::h8fe0d26ed1584e50
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:577:5
[INFO] [stdout]   23:     0x562f5726d3a0 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he6b90e352f394d8f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   24:     0x562f5726d3a0 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1c05475e029700b8
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:347:9
[INFO] [stdout]   25:     0x562f5726d3a0 - std::panicking::try::do_call::he6de943476ae628a
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40
[INFO] [stdout]   26:     0x562f5726d3a0 - std::panicking::try::ha21937b8feb06f89
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19
[INFO] [stdout]   27:     0x562f5726d3a0 - std::panic::catch_unwind::ha79830b3325c9fa6
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14
[INFO] [stdout]   28:     0x562f5726d3a0 - test::run_test_in_process::h1ab180b83ee2d5b5
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:600:18
[INFO] [stdout]   29:     0x562f5726d3a0 - test::run_test::run_test_inner::{{closure}}::h8258ffe088f187a1
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:492:39
[INFO] [stdout]   30:     0x562f57246962 - test::run_test::run_test_inner::{{closure}}::hc697b214abd32bc6
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/test/src/lib.rs:519:37
[INFO] [stdout]   31:     0x562f57246962 - std::sys_common::backtrace::__rust_begin_short_backtrace::h64de0d3f894854a9
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   32:     0x562f5724a5b8 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h1fd98fc86e533ece
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   33:     0x562f5724a5b8 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4e2a7abf702e4cfd
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:347:9
[INFO] [stdout]   34:     0x562f5724a5b8 - std::panicking::try::do_call::h4496392321a3c8c0
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40
[INFO] [stdout]   35:     0x562f5724a5b8 - std::panicking::try::hf1e14258e04e8e9a
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19
[INFO] [stdout]   36:     0x562f5724a5b8 - std::panic::catch_unwind::hb72c3777cd55642f
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14
[INFO] [stdout]   37:     0x562f5724a5b8 - std::thread::Builder::spawn_unchecked::{{closure}}::h2d7915a5910e148e
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   38:     0x562f5724a5b8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h83fd2f1ef5be797c
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   39:     0x562f572d6f37 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha8b1d5a0092467fc
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   40:     0x562f572d6f37 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4b9f24ec4e8a879e
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   41:     0x562f572d6f37 - std::sys::unix::thread::Thread::new::thread_start::h2a0e98fbc4ab4c32
[INFO] [stdout]                                at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys/unix/thread.rs:72:17
[INFO] [stdout]   42:     0x7f0c3764e609 - start_thread
[INFO] [stdout]   43:     0x7f0c37420293 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_transpile
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--test tests'
[INFO] running `Command { std: "docker" "inspect" "81f93f76bcc29333324290c6abe0db50e10ba269e90658ac04f2b9502e18335c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81f93f76bcc29333324290c6abe0db50e10ba269e90658ac04f2b9502e18335c", kill_on_drop: false }`
[INFO] [stdout] 81f93f76bcc29333324290c6abe0db50e10ba269e90658ac04f2b9502e18335c