[INFO] cloning repository https://github.com/WTFlay/mystery_word
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WTFlay/mystery_word" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWTFlay%2Fmystery_word", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWTFlay%2Fmystery_word'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70cd6f32e245af89ac1c45a827924fbc0f3389c9
[INFO] testing WTFlay/mystery_word against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWTFlay%2Fmystery_word" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WTFlay/mystery_word on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/WTFlay/mystery_word
[INFO] finished tweaking git repo https://github.com/WTFlay/mystery_word
[INFO] tweaked toml for git repo https://github.com/WTFlay/mystery_word written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/WTFlay/mystery_word already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1509dc47bf9711778dee4bc616ff3420a9bcc0fb697c521e0522cb067f5dc36c
[INFO] running `Command { std: "docker" "start" "-a" "1509dc47bf9711778dee4bc616ff3420a9bcc0fb697c521e0522cb067f5dc36c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1509dc47bf9711778dee4bc616ff3420a9bcc0fb697c521e0522cb067f5dc36c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1509dc47bf9711778dee4bc616ff3420a9bcc0fb697c521e0522cb067f5dc36c", kill_on_drop: false }`
[INFO] [stdout] 1509dc47bf9711778dee4bc616ff3420a9bcc0fb697c521e0522cb067f5dc36c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dee89cbf7a8ec2d48c605ae58640a3aedf181086e4161115d1d058ccf5edea35
[INFO] running `Command { std: "docker" "start" "-a" "dee89cbf7a8ec2d48c605ae58640a3aedf181086e4161115d1d058ccf5edea35", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling mystery-word v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:16:66
[INFO] [stdout]    |
[INFO] [stdout] 16 |         Err(why) => panic!("couldn't open {} : {}", 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 `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:20:66
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Err(why) => panic!("couldn't read {} : {}", display, why.description()),
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.71s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dee89cbf7a8ec2d48c605ae58640a3aedf181086e4161115d1d058ccf5edea35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dee89cbf7a8ec2d48c605ae58640a3aedf181086e4161115d1d058ccf5edea35", kill_on_drop: false }`
[INFO] [stdout] dee89cbf7a8ec2d48c605ae58640a3aedf181086e4161115d1d058ccf5edea35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb314b71eed296a4e339549616c371b28bf699470c7516676b5d7e34309afa74
[INFO] running `Command { std: "docker" "start" "-a" "bb314b71eed296a4e339549616c371b28bf699470c7516676b5d7e34309afa74", kill_on_drop: false }`
[INFO] [stderr]    Compiling mystery-word v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:16:66
[INFO] [stdout]    |
[INFO] [stdout] 16 |         Err(why) => panic!("couldn't open {} : {}", 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 `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:20:66
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Err(why) => panic!("couldn't read {} : {}", display, why.description()),
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "bb314b71eed296a4e339549616c371b28bf699470c7516676b5d7e34309afa74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb314b71eed296a4e339549616c371b28bf699470c7516676b5d7e34309afa74", kill_on_drop: false }`
[INFO] [stdout] bb314b71eed296a4e339549616c371b28bf699470c7516676b5d7e34309afa74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c736ddf4db312660caae4fa85791f50cfe3d96dee6ee38c7e01a9dcf378a6c9
[INFO] running `Command { std: "docker" "start" "-a" "8c736ddf4db312660caae4fa85791f50cfe3d96dee6ee38c7e01a9dcf378a6c9", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:16:66
[INFO] [stderr]    |
[INFO] [stderr] 16 |         Err(why) => panic!("couldn't open {} : {}", 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 `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:20:66
[INFO] [stderr]    |
[INFO] [stderr] 20 |         Err(why) => panic!("couldn't read {} : {}", display, why.description()),
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mystery_word-dee7ece28916509e)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8c736ddf4db312660caae4fa85791f50cfe3d96dee6ee38c7e01a9dcf378a6c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c736ddf4db312660caae4fa85791f50cfe3d96dee6ee38c7e01a9dcf378a6c9", kill_on_drop: false }`
[INFO] [stdout] 8c736ddf4db312660caae4fa85791f50cfe3d96dee6ee38c7e01a9dcf378a6c9