[INFO] cloning repository https://github.com/bomattin/thrasher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bomattin/thrasher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbomattin%2Fthrasher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbomattin%2Fthrasher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2d1fcb953402dca17f2345390da48ce35e3b911
[INFO] testing bomattin/thrasher against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbomattin%2Fthrasher" "/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/bomattin/thrasher on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bomattin/thrasher
[INFO] finished tweaking git repo https://github.com/bomattin/thrasher
[INFO] tweaked toml for git repo https://github.com/bomattin/thrasher written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/bomattin/thrasher already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 750bdc594dd1903f27cdfb981c460f014dc24c008dbb8d335099978dfa9f35a0
[INFO] running `Command { std: "docker" "start" "-a" "750bdc594dd1903f27cdfb981c460f014dc24c008dbb8d335099978dfa9f35a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "750bdc594dd1903f27cdfb981c460f014dc24c008dbb8d335099978dfa9f35a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "750bdc594dd1903f27cdfb981c460f014dc24c008dbb8d335099978dfa9f35a0", kill_on_drop: false }`
[INFO] [stdout] 750bdc594dd1903f27cdfb981c460f014dc24c008dbb8d335099978dfa9f35a0
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bad0d21abd89d81fdd998c6afb6ffb22ebc59011678f7c9a6f7dc1058bb06a7
[INFO] running `Command { std: "docker" "start" "-a" "4bad0d21abd89d81fdd998c6afb6ffb22ebc59011678f7c9a6f7dc1058bb06a7", 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] [stderr]    Compiling libc v0.2.29
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.2
[INFO] [stderr]    Compiling futures v0.1.14
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling unicode-segmentation v1.2.0
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling num_cpus v1.6.2
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling textwrap v0.7.0
[INFO] [stderr]    Compiling clap v2.26.0
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling thrasher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]  --> src/filehose.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn spam(path: &PathBuf, n: i32, ext: &str) {
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ext`
[INFO] [stdout]  --> src/filehose.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn spam(path: &PathBuf, n: i32, ext: &str) {
[INFO] [stdout]   |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_ext`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.49s
[INFO] running `Command { std: "docker" "inspect" "4bad0d21abd89d81fdd998c6afb6ffb22ebc59011678f7c9a6f7dc1058bb06a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bad0d21abd89d81fdd998c6afb6ffb22ebc59011678f7c9a6f7dc1058bb06a7", kill_on_drop: false }`
[INFO] [stdout] 4bad0d21abd89d81fdd998c6afb6ffb22ebc59011678f7c9a6f7dc1058bb06a7
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbfbe5cff9d51c67a1e8e26639913d414f9b207c05fdec56f525b6e22aade551
[INFO] running `Command { std: "docker" "start" "-a" "cbfbe5cff9d51c67a1e8e26639913d414f9b207c05fdec56f525b6e22aade551", kill_on_drop: false }`
[INFO] [stderr]    Compiling thrasher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]  --> src/filehose.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn spam(path: &PathBuf, n: i32, ext: &str) {
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ext`
[INFO] [stdout]  --> src/filehose.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn spam(path: &PathBuf, n: i32, ext: &str) {
[INFO] [stdout]   |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_ext`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "cbfbe5cff9d51c67a1e8e26639913d414f9b207c05fdec56f525b6e22aade551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbfbe5cff9d51c67a1e8e26639913d414f9b207c05fdec56f525b6e22aade551", kill_on_drop: false }`
[INFO] [stdout] cbfbe5cff9d51c67a1e8e26639913d414f9b207c05fdec56f525b6e22aade551
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5aaea7f5dbeb918f9a27ad638eacc7892399767dca37d3969cb552ce53b21b3e
[INFO] running `Command { std: "docker" "start" "-a" "5aaea7f5dbeb918f9a27ad638eacc7892399767dca37d3969cb552ce53b21b3e", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]  --> src/filehose.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn spam(path: &PathBuf, n: i32, ext: &str) {
[INFO] [stderr]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ext`
[INFO] [stderr]  --> src/filehose.rs:8:37
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn spam(path: &PathBuf, n: i32, ext: &str) {
[INFO] [stderr]   |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_ext`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/thrasher-cd63f7698389f5da)
[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" "5aaea7f5dbeb918f9a27ad638eacc7892399767dca37d3969cb552ce53b21b3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aaea7f5dbeb918f9a27ad638eacc7892399767dca37d3969cb552ce53b21b3e", kill_on_drop: false }`
[INFO] [stdout] 5aaea7f5dbeb918f9a27ad638eacc7892399767dca37d3969cb552ce53b21b3e