[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#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbomattin%2Fthrasher" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bomattin/thrasher on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-1/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad1a845bc520ddcb90f2c7b3fa6eb0e587f4e68722600cfc19e69be28df503e3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ad1a845bc520ddcb90f2c7b3fa6eb0e587f4e68722600cfc19e69be28df503e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad1a845bc520ddcb90f2c7b3fa6eb0e587f4e68722600cfc19e69be28df503e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad1a845bc520ddcb90f2c7b3fa6eb0e587f4e68722600cfc19e69be28df503e3", kill_on_drop: false }`
[INFO] [stdout] ad1a845bc520ddcb90f2c7b3fa6eb0e587f4e68722600cfc19e69be28df503e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e47ed0eb060699f29b199ce9c1d25609d8f94c5e88f64f3ad17c2bc6b7651673
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e47ed0eb060699f29b199ce9c1d25609d8f94c5e88f64f3ad17c2bc6b7651673", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.29
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling unicode-segmentation v1.2.0
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling num_cpus v1.6.2
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling term_size v0.3.0
[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-core v1.2.1
[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 9.83s
[INFO] running `Command { std: "docker" "inspect" "e47ed0eb060699f29b199ce9c1d25609d8f94c5e88f64f3ad17c2bc6b7651673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e47ed0eb060699f29b199ce9c1d25609d8f94c5e88f64f3ad17c2bc6b7651673", kill_on_drop: false }`
[INFO] [stdout] e47ed0eb060699f29b199ce9c1d25609d8f94c5e88f64f3ad17c2bc6b7651673
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10029205e912fc7e12520ac140b89c9c72355d98668c58cf544723b3046c6255
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "10029205e912fc7e12520ac140b89c9c72355d98668c58cf544723b3046c6255", 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 0.75s
[INFO] running `Command { std: "docker" "inspect" "10029205e912fc7e12520ac140b89c9c72355d98668c58cf544723b3046c6255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10029205e912fc7e12520ac140b89c9c72355d98668c58cf544723b3046c6255", kill_on_drop: false }`
[INFO] [stdout] 10029205e912fc7e12520ac140b89c9c72355d98668c58cf544723b3046c6255
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a51ecdd95d0f7d1cf5b7764c348f3e5ca2422684d1a4d136009bd94abec516a9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a51ecdd95d0f7d1cf5b7764c348f3e5ca2422684d1a4d136009bd94abec516a9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/filehose.rs:8:13
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 8 | pub fn spam(path: &PathBuf, n: i32, ext: &str) {
[INFO] [stdout] 
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/thrasher-02f167822ed42cab)
[INFO] running `Command { std: "docker" "inspect" "a51ecdd95d0f7d1cf5b7764c348f3e5ca2422684d1a4d136009bd94abec516a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a51ecdd95d0f7d1cf5b7764c348f3e5ca2422684d1a4d136009bd94abec516a9", kill_on_drop: false }`
[INFO] [stdout] a51ecdd95d0f7d1cf5b7764c348f3e5ca2422684d1a4d136009bd94abec516a9