[INFO] cloning repository https://github.com/LokmenoWer/delete_md5
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LokmenoWer/delete_md5" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLokmenoWer%2Fdelete_md5", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLokmenoWer%2Fdelete_md5'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3716bc10180b08f21e674e8c6e4386c75f67518e
[INFO] testing LokmenoWer/delete_md5 against try#0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6 for pr-137122-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLokmenoWer%2Fdelete_md5" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LokmenoWer/delete_md5
[INFO] finished tweaking git repo https://github.com/LokmenoWer/delete_md5
[INFO] tweaked toml for git repo https://github.com/LokmenoWer/delete_md5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LokmenoWer/delete_md5 on toolchain 0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LokmenoWer/delete_md5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing LokmenoWer/delete_md5 against try#0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6 for pr-137122-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLokmenoWer%2Fdelete_md5" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LokmenoWer/delete_md5
[INFO] finished tweaking git repo https://github.com/LokmenoWer/delete_md5
[INFO] tweaked toml for git repo https://github.com/LokmenoWer/delete_md5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LokmenoWer/delete_md5 on toolchain 0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LokmenoWer/delete_md5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acb0faac1d7fc37fba732ca61f5efa3db050d8c59f5394266b0a8f08c6e65fda
[INFO] running `Command { std: "docker" "start" "-a" "acb0faac1d7fc37fba732ca61f5efa3db050d8c59f5394266b0a8f08c6e65fda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acb0faac1d7fc37fba732ca61f5efa3db050d8c59f5394266b0a8f08c6e65fda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acb0faac1d7fc37fba732ca61f5efa3db050d8c59f5394266b0a8f08c6e65fda", kill_on_drop: false }`
[INFO] [stdout] acb0faac1d7fc37fba732ca61f5efa3db050d8c59f5394266b0a8f08c6e65fda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4de9518641116db1c770402a8c0bd84433dd0cf68355d1010d2a8c56d60f2a9d
[INFO] running `Command { std: "docker" "start" "-a" "4de9518641116db1c770402a8c0bd84433dd0cf68355d1010d2a8c56d60f2a9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling delete_md5 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `File` and `read_dir`
[INFO] [stdout]  --> src/main.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{read_dir, File};
[INFO] [stdout]   |               ^^^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]  --> src/main.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufRead, BufReader};
[INFO] [stdout]   |                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/main.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufRead, BufReader};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.81s
[INFO] running `Command { std: "docker" "inspect" "4de9518641116db1c770402a8c0bd84433dd0cf68355d1010d2a8c56d60f2a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4de9518641116db1c770402a8c0bd84433dd0cf68355d1010d2a8c56d60f2a9d", kill_on_drop: false }`
[INFO] [stdout] 4de9518641116db1c770402a8c0bd84433dd0cf68355d1010d2a8c56d60f2a9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 576c302a19e5ffa94dc4013db4d16aff7e65eb868f93244506b0de91dd02a188
[INFO] running `Command { std: "docker" "start" "-a" "576c302a19e5ffa94dc4013db4d16aff7e65eb868f93244506b0de91dd02a188", kill_on_drop: false }`
[INFO] [stderr]    Compiling delete_md5 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `File` and `read_dir`
[INFO] [stdout]  --> src/main.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{read_dir, File};
[INFO] [stdout]   |               ^^^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]  --> src/main.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufRead, BufReader};
[INFO] [stdout]   |                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/main.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufRead, BufReader};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "576c302a19e5ffa94dc4013db4d16aff7e65eb868f93244506b0de91dd02a188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "576c302a19e5ffa94dc4013db4d16aff7e65eb868f93244506b0de91dd02a188", kill_on_drop: false }`
[INFO] [stdout] 576c302a19e5ffa94dc4013db4d16aff7e65eb868f93244506b0de91dd02a188
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5645fe97bad210c703f4e3e6c9e430b743e9f4101be21502ffc0ddfd0b6075d4
[INFO] running `Command { std: "docker" "start" "-a" "5645fe97bad210c703f4e3e6c9e430b743e9f4101be21502ffc0ddfd0b6075d4", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `File` and `read_dir`
[INFO] [stderr]  --> src/main.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::{read_dir, File};
[INFO] [stderr]   |               ^^^^^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufReader`
[INFO] [stderr]  --> src/main.rs:3:24
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{BufRead, BufReader};
[INFO] [stderr]   |                        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/main.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{BufRead, BufReader};
[INFO] [stderr]   |               ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `delete_md5` (bin "delete_md5" test) generated 3 warnings (run `cargo fix --bin "delete_md5" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/delete_md5-a4915efac09eda54)
[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" "5645fe97bad210c703f4e3e6c9e430b743e9f4101be21502ffc0ddfd0b6075d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5645fe97bad210c703f4e3e6c9e430b743e9f4101be21502ffc0ddfd0b6075d4", kill_on_drop: false }`
[INFO] [stdout] 5645fe97bad210c703f4e3e6c9e430b743e9f4101be21502ffc0ddfd0b6075d4