[INFO] updating cached repository jundl77/html-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jundl77/html-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jundl77/html-rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/jundl77/html-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jundl77/html-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jundl77/html-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jundl77/html-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jundl77/html-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2065e97442f4dce6802ddca1b12835301be13422
[INFO] sha for GitHub repo jundl77/html-rust: 2065e97442f4dce6802ddca1b12835301be13422
[INFO] validating manifest of jundl77/html-rust on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jundl77/html-rust on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jundl77/html-rust
[INFO] finished frobbing jundl77/html-rust
[INFO] frobbed toml for jundl77/html-rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/jundl77/html-rust/Cargo.toml
[INFO] started frobbing jundl77/html-rust
[INFO] finished frobbing jundl77/html-rust
[INFO] frobbed toml for jundl77/html-rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jundl77/html-rust/Cargo.toml
[INFO] crate jundl77/html-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing jundl77/html-rust against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jundl77/html-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 07f8502b8cbbab6bf13fddfd3a95adc8c0288e25ccdf8aef2c25156300b3a1bb
[INFO] running `"docker" "start" "-a" "07f8502b8cbbab6bf13fddfd3a95adc8c0288e25ccdf8aef2c25156300b3a1bb"`
[INFO] [stderr]    Compiling rand_jitter v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling rand v0.6.5
[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 iron v0.6.0
[INFO] [stderr]    Compiling persistent v0.4.0
[INFO] [stderr]    Compiling logger v0.4.0 (https://github.com/iron/logger.git#59873ba2)
[INFO] [stderr]    Compiling router v0.6.0
[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/crater/workdir)
[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: constant item 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 `std::result::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 `std::result::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 `std::result::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 `std::result::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: 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: 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: consider prefixing with an underscore: `_req`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item 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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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]     Finished dev [unoptimized + debuginfo] target(s) in 23.81s
[INFO] running `"docker" "inspect" "07f8502b8cbbab6bf13fddfd3a95adc8c0288e25ccdf8aef2c25156300b3a1bb"`
[INFO] running `"docker" "rm" "-f" "07f8502b8cbbab6bf13fddfd3a95adc8c0288e25ccdf8aef2c25156300b3a1bb"`
[INFO] [stdout] 07f8502b8cbbab6bf13fddfd3a95adc8c0288e25ccdf8aef2c25156300b3a1bb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jundl77/html-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 37e3da0c7769161fa3af466ab4e20186cb7db98ad7ebf7c9486accb9be68a4b1
[INFO] running `"docker" "start" "-a" "37e3da0c7769161fa3af466ab4e20186cb7db98ad7ebf7c9486accb9be68a4b1"`
[INFO] [stderr]    Compiling html-rust v0.1.0 (/opt/crater/workdir)
[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: constant item 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 `std::result::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 `std::result::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 `std::result::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 `std::result::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: 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: 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: consider prefixing with an underscore: `_req`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item 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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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]     Finished dev [unoptimized + debuginfo] target(s) in 2.46s
[INFO] running `"docker" "inspect" "37e3da0c7769161fa3af466ab4e20186cb7db98ad7ebf7c9486accb9be68a4b1"`
[INFO] running `"docker" "rm" "-f" "37e3da0c7769161fa3af466ab4e20186cb7db98ad7ebf7c9486accb9be68a4b1"`
[INFO] [stdout] 37e3da0c7769161fa3af466ab4e20186cb7db98ad7ebf7c9486accb9be68a4b1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jundl77/html-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] be3caf180f81fa9d96944dd7c333851559070e6ff52bde8e38f84e394d43a7c5
[INFO] running `"docker" "start" "-a" "be3caf180f81fa9d96944dd7c333851559070e6ff52bde8e38f84e394d43a7c5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/html_rust-d2f06564be62a498
[INFO] [stderr]      Running /opt/crater/target/debug/deps/html_rust-fe1804be84459916
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tests-f8f23f797cb215b9
[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_Pbj6u21MLKPYLYMKJA0cWL2c9cQYjlC4aCzZU62kxw3xqy8FQ8fpLVkroYrO.rs: other os error', src/lib.rs:68:21
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x563de432cdbb - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stdout]    1:     0x563de432cdbb - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x563de432cdbb - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stdout]    3:     0x563de432cdbb - std::sys_common::backtrace::print::h31646c3786c57441
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stdout]    4:     0x563de432cdbb - std::panicking::default_hook::{{closure}}::hda785e768c746ae7
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    5:     0x563de432ca2a - std::panicking::default_hook::h0c4b76f338614ef1
[INFO] [stdout]                                at src/libstd/panicking.rs:211
[INFO] [stdout]    6:     0x563de432d530 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce
[INFO] [stdout]                                at src/libstd/panicking.rs:477
[INFO] [stdout]    7:     0x563de432d0b2 - std::panicking::continue_panic_fmt::h0046167652be99a6
[INFO] [stdout]                                at src/libstd/panicking.rs:384
[INFO] [stdout]    8:     0x563de432cfff - std::panicking::begin_panic_fmt::he65a2e8ff19d8ae0
[INFO] [stdout]                                at src/libstd/panicking.rs:339
[INFO] [stdout]    9:     0x563de42deb70 - html_rust::create_src_file::h661884a4ca6172d1
[INFO] [stdout]                                at src/lib.rs:68
[INFO] [stdout]   10:     0x563de42de707 - html_rust::eval::h3de9d4c07efd64ec
[INFO] [stdout]                                at src/lib.rs:50
[INFO] [stdout]   11:     0x563de42de625 - html_rust::transpile::h78957c9f65c45af9
[INFO] [stdout]                                at src/lib.rs:44
[INFO] [stdout]   12:     0x563de42a1a01 - tests::tests::test_transpile::h10133cf2963ea28a
[INFO] [stdout]                                at tests/tests.rs:20
[INFO] [stdout]   13:     0x563de42a19ba - tests::tests::test_transpile::{{closure}}::h32d4a8a14b156c5b
[INFO] [stdout]                                at tests/tests.rs:19
[INFO] [stdout]   14:     0x563de42a217e - core::ops::function::FnOnce::call_once::h086dd76b37b17861
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231
[INFO] [stdout]   15:     0x563de42ad42f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9568fda2c3b99042
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   16:     0x563de433481a - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   17:     0x563de42c7a28 - std::panicking::try::h4b4c6c15836266eb
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stdout]   18:     0x563de42c7a28 - std::panic::catch_unwind::h133691b514d0224c
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stdout]   19:     0x563de42c7a28 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe
[INFO] [stdout]                                at src/libtest/lib.rs:1466
[INFO] [stdout]   20:     0x563de42a28a5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   21:     0x563de42a6a25 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470
[INFO] [stdout]   22:     0x563de42a6a25 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315
[INFO] [stdout]   23:     0x563de42a6a25 - std::panicking::try::do_call::h59b39c89384b7a2f
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296
[INFO] [stdout]   24:     0x563de433481a - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   25:     0x563de42a7062 - std::panicking::try::h9fff34be50f16431
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stdout]   26:     0x563de42a7062 - std::panic::catch_unwind::h7551856ff7c5e12a
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stdout]   27:     0x563de42a7062 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469
[INFO] [stdout]   28:     0x563de42a7062 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231
[INFO] [stdout]   29:     0x563de4320c3f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h55ef432b72ff7a0b
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   30:     0x563de4333f70 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9294a5138530eae1
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   31:     0x563de4333f70 - std::sys_common::thread::start_thread::h0d2733dd32c3723c
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]   32:     0x563de4333f70 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   33:     0x7fe669c654a4 - start_thread
[INFO] [stdout]   34:     0x7fe669790d0f - __clone
[INFO] [stdout]   35:                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
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--test tests'
[INFO] running `"docker" "inspect" "be3caf180f81fa9d96944dd7c333851559070e6ff52bde8e38f84e394d43a7c5"`
[INFO] running `"docker" "rm" "-f" "be3caf180f81fa9d96944dd7c333851559070e6ff52bde8e38f84e394d43a7c5"`
[INFO] [stdout] be3caf180f81fa9d96944dd7c333851559070e6ff52bde8e38f84e394d43a7c5