[INFO] cloning repository jundl77/html-rust
[INFO] running `"git" "clone" "--bare" "git://github.com/jundl77/html-rust.git" "work/cache/sources/gh/jundl77/html-rust"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/jundl77/html-rust'...
[INFO] running `"git" "clone" "work/cache/sources/gh/jundl77/html-rust" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jundl77/html-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jundl77/html-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jundl77/html-rust" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jundl77/html-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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 master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jundl77/html-rust on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "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/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jundl77/html-rust against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 4f19166c20736e019a13badf5fa3a7daebec6f97e69278f42260e8ba1008ebc4
[INFO] running `"docker" "start" "-a" "4f19166c20736e019a13badf5fa3a7daebec6f97e69278f42260e8ba1008ebc4"`
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling simplelog v0.5.3
[INFO] [stderr]    Compiling hyper v0.10.15
[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 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 32.97s
[INFO] running `"docker" "inspect" "4f19166c20736e019a13badf5fa3a7daebec6f97e69278f42260e8ba1008ebc4"`
[INFO] running `"docker" "rm" "-f" "4f19166c20736e019a13badf5fa3a7daebec6f97e69278f42260e8ba1008ebc4"`
[INFO] [stdout] 4f19166c20736e019a13badf5fa3a7daebec6f97e69278f42260e8ba1008ebc4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7ea0ffcd0df028d3572b3f2d9a121bf74c872fb891053f3d47cb820c592ed7f9
[INFO] running `"docker" "start" "-a" "7ea0ffcd0df028d3572b3f2d9a121bf74c872fb891053f3d47cb820c592ed7f9"`
[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 3.63s
[INFO] running `"docker" "inspect" "7ea0ffcd0df028d3572b3f2d9a121bf74c872fb891053f3d47cb820c592ed7f9"`
[INFO] running `"docker" "rm" "-f" "7ea0ffcd0df028d3572b3f2d9a121bf74c872fb891053f3d47cb820c592ed7f9"`
[INFO] [stdout] 7ea0ffcd0df028d3572b3f2d9a121bf74c872fb891053f3d47cb820c592ed7f9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 7bda816dcf5b1ba0888720d8cd8de0dca9f74d5e25c5d87d53c128e749a1f2cb
[INFO] running `"docker" "start" "-a" "7bda816dcf5b1ba0888720d8cd8de0dca9f74d5e25c5d87d53c128e749a1f2cb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/html_rust-5076a86f858fc1e4
[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/html_rust-e50b667861185f56
[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-5575acd532ec3719
[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_PxBGBCoXKu1rHZ5MuHQSTuoKlCyrERwRXxywcGqAvwOYLENtMYLJK5pjpqi6.rs: other os error', src/lib.rs:68:21
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x557bc33a68fb - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stdout]    1:     0x557bc33a68fb - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x557bc33a68fb - std::sys_common::backtrace::_print::hd27175ce39811176
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stdout]    3:     0x557bc33a68fb - std::sys_common::backtrace::print::h117e2eebf9a1e122
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stdout]    4:     0x557bc33a68fb - std::panicking::default_hook::{{closure}}::h6369b988ee675335
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]    5:     0x557bc33a658f - std::panicking::default_hook::hfaefd2bea4c25f9e
[INFO] [stdout]                                at src/libstd/panicking.rs:209
[INFO] [stdout]    6:     0x557bc33a7070 - std::panicking::rust_panic_with_hook::h02c52718165ccced
[INFO] [stdout]                                at src/libstd/panicking.rs:475
[INFO] [stdout]    7:     0x557bc33a6bf2 - std::panicking::continue_panic_fmt::h9e135674c1df51b4
[INFO] [stdout]                                at src/libstd/panicking.rs:382
[INFO] [stdout]    8:     0x557bc33a6b3f - std::panicking::begin_panic_fmt::h7b7b130b87f3cbeb
[INFO] [stdout]                                at src/libstd/panicking.rs:337
[INFO] [stdout]    9:     0x557bc3358c20 - html_rust::create_src_file::h3c4536ceb3b55a4b
[INFO] [stdout]                                at src/lib.rs:68
[INFO] [stdout]   10:     0x557bc33587b7 - html_rust::eval::hfb384e4cb037fbe7
[INFO] [stdout]                                at src/lib.rs:50
[INFO] [stdout]   11:     0x557bc33586d5 - html_rust::transpile::h6598bfec9d454236
[INFO] [stdout]                                at src/lib.rs:44
[INFO] [stdout]   12:     0x557bc331b581 - tests::tests::test_transpile::hbb6717783c6611c5
[INFO] [stdout]                                at tests/tests.rs:20
[INFO] [stdout]   13:     0x557bc331b53a - tests::tests::test_transpile::{{closure}}::h650416ea65bbdfd5
[INFO] [stdout]                                at tests/tests.rs:19
[INFO] [stdout]   14:     0x557bc331bf2e - core::ops::function::FnOnce::call_once::h2957680cab29b3c7
[INFO] [stdout]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231
[INFO] [stdout]   15:     0x557bc332703f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h051e7835d417eabd
[INFO] [stdout]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746
[INFO] [stdout]   16:     0x557bc33ae9aa - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   17:     0x557bc3341a18 - std::panicking::try::h2a4c737ee7913c25
[INFO] [stdout]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273
[INFO] [stdout]   18:     0x557bc3341a18 - std::panic::catch_unwind::hb4a850da3c0f461d
[INFO] [stdout]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388
[INFO] [stdout]   19:     0x557bc3341a18 - test::run_test::run_test_inner::{{closure}}::hf1081f8a70de250d
[INFO] [stdout]                                at src/libtest/lib.rs:1466
[INFO] [stdout]   20:     0x557bc331c5b5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h342b596609fb99e3
[INFO] [stdout]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   21:     0x557bc3320545 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h513520560543c60c
[INFO] [stdout]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:470
[INFO] [stdout]   22:     0x557bc3320545 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::ha4e1c61c6177bb54
[INFO] [stdout]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:309
[INFO] [stdout]   23:     0x557bc3320545 - std::panicking::try::do_call::h0eb4a0e045c14646
[INFO] [stdout]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:294
[INFO] [stdout]   24:     0x557bc33ae9aa - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   25:     0x557bc3320b62 - std::panicking::try::h20774757cea1a66c
[INFO] [stdout]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panicking.rs:273
[INFO] [stdout]   26:     0x557bc3320b62 - std::panic::catch_unwind::h38e40a373c8b5452
[INFO] [stdout]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/panic.rs:388
[INFO] [stdout]   27:     0x557bc3320b62 - std::thread::Builder::spawn_unchecked::{{closure}}::h9bfd91224a2fd035
[INFO] [stdout]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/thread/mod.rs:469
[INFO] [stdout]   28:     0x557bc3320b62 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha2d3b3105bb1d7d1
[INFO] [stdout]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/ops/function.rs:231
[INFO] [stdout]   29:     0x557bc339a9ff - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hc6099fbe1f2e9038
[INFO] [stdout]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746
[INFO] [stdout]   30:     0x557bc33ae0f0 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h1b61db05dcd8ce54
[INFO] [stdout]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/liballoc/boxed.rs:746
[INFO] [stdout]   31:     0x557bc33ae0f0 - std::sys_common::thread::start_thread::hd3ed9053e9fea488
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]   32:     0x557bc33ae0f0 - std::sys::unix::thread::Thread::new::thread_start::hc17e4e4c7ed2fc8f
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   33:     0x7fa73effa4a4 - start_thread
[INFO] [stdout]   34:     0x7fa73eb25d0f - __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" "7bda816dcf5b1ba0888720d8cd8de0dca9f74d5e25c5d87d53c128e749a1f2cb"`
[INFO] running `"docker" "rm" "-f" "7bda816dcf5b1ba0888720d8cd8de0dca9f74d5e25c5d87d53c128e749a1f2cb"`
[INFO] [stdout] 7bda816dcf5b1ba0888720d8cd8de0dca9f74d5e25c5d87d53c128e749a1f2cb