[INFO] cloning repository https://github.com/emberian/how-long-does-it-take-to-spawn-a-thread
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emberian/how-long-does-it-take-to-spawn-a-thread" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femberian%2Fhow-long-does-it-take-to-spawn-a-thread", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femberian%2Fhow-long-does-it-take-to-spawn-a-thread'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d17447f61ecee8ac90c5b99404095877d9fd0a20
[INFO] testing emberian/how-long-does-it-take-to-spawn-a-thread against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femberian%2Fhow-long-does-it-take-to-spawn-a-thread" "/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/emberian/how-long-does-it-take-to-spawn-a-thread on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emberian/how-long-does-it-take-to-spawn-a-thread
[INFO] finished tweaking git repo https://github.com/emberian/how-long-does-it-take-to-spawn-a-thread
[INFO] tweaked toml for git repo https://github.com/emberian/how-long-does-it-take-to-spawn-a-thread written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/emberian/how-long-does-it-take-to-spawn-a-thread already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-4/source/src/main.rs
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.63
[INFO] [stderr]   Downloaded criterion v0.3.2
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.63
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.63
[INFO] [stderr]   Downloaded cast v0.2.3
[INFO] [stderr]   Downloaded criterion-plot v0.4.2
[INFO] [stderr]   Downloaded oorandom v11.1.1
[INFO] [stderr]   Downloaded js-sys v0.3.40
[INFO] [stderr]   Downloaded proc-macro2 v1.0.17
[INFO] [stderr]   Downloaded syn v1.0.27
[INFO] [stderr]   Downloaded ryu v1.0.4
[INFO] [stderr]   Downloaded tinytemplate v1.0.4
[INFO] [stderr]   Downloaded hermit-abi v0.1.13
[INFO] [stderr]   Downloaded bumpalo v3.3.0
[INFO] [stderr]   Downloaded csv v1.1.3
[INFO] [stderr]   Downloaded plotters v0.2.15
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.2
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.63
[INFO] [stderr]   Downloaded serde v1.0.110
[INFO] [stderr]   Downloaded quote v1.0.6
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.63
[INFO] [stderr]   Downloaded serde_json v1.0.53
[INFO] [stderr]   Downloaded rayon-core v1.7.0
[INFO] [stderr]   Downloaded web-sys v0.3.40
[INFO] [stderr]   Downloaded memoffset v0.5.4
[INFO] [stderr]   Downloaded rayon v1.3.0
[INFO] [stderr]   Downloaded serde_derive v1.0.110
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ca269577a4e0d0fb99e88f979b81d1f059f8de066b0f40ebc6e763e296b4a03
[INFO] running `Command { std: "docker" "start" "-a" "9ca269577a4e0d0fb99e88f979b81d1f059f8de066b0f40ebc6e763e296b4a03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ca269577a4e0d0fb99e88f979b81d1f059f8de066b0f40ebc6e763e296b4a03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ca269577a4e0d0fb99e88f979b81d1f059f8de066b0f40ebc6e763e296b4a03", kill_on_drop: false }`
[INFO] [stdout] 9ca269577a4e0d0fb99e88f979b81d1f059f8de066b0f40ebc6e763e296b4a03
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 799a03951b96adbcabb7069b5e79e442bcfab25576ca98356b565d7df737ef5e
[INFO] running `Command { std: "docker" "start" "-a" "799a03951b96adbcabb7069b5e79e442bcfab25576ca98356b565d7df737ef5e", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/src/main.rs
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling oorandom v11.1.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling criterion-plot v0.4.2
[INFO] [stderr]    Compiling tinytemplate v1.0.4
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling criterion v0.3.2
[INFO] [stderr]    Compiling how-long-does-it-take-to-spawn-a-thread v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `mem`, `time`
[INFO] [stdout]  --> src/main.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{mem, thread, time};
[INFO] [stdout]   |           ^^^          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.65s
[INFO] running `Command { std: "docker" "inspect" "799a03951b96adbcabb7069b5e79e442bcfab25576ca98356b565d7df737ef5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "799a03951b96adbcabb7069b5e79e442bcfab25576ca98356b565d7df737ef5e", kill_on_drop: false }`
[INFO] [stdout] 799a03951b96adbcabb7069b5e79e442bcfab25576ca98356b565d7df737ef5e
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 379a0ea6ae9b04fe704af7fb848c6e5e00d0418d3350ed9296fb5c3e042626e8
[INFO] running `Command { std: "docker" "start" "-a" "379a0ea6ae9b04fe704af7fb848c6e5e00d0418d3350ed9296fb5c3e042626e8", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/src/main.rs
[INFO] [stderr]    Compiling how-long-does-it-take-to-spawn-a-thread v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `mem`, `time`
[INFO] [stdout]  --> src/main.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{mem, thread, time};
[INFO] [stdout]   |           ^^^          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "379a0ea6ae9b04fe704af7fb848c6e5e00d0418d3350ed9296fb5c3e042626e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "379a0ea6ae9b04fe704af7fb848c6e5e00d0418d3350ed9296fb5c3e042626e8", kill_on_drop: false }`
[INFO] [stdout] 379a0ea6ae9b04fe704af7fb848c6e5e00d0418d3350ed9296fb5c3e042626e8
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b84b90444a10b4504852fa4a517d72fc8cac4bab1f52c6800ff04a69d42b5571
[INFO] running `Command { std: "docker" "start" "-a" "b84b90444a10b4504852fa4a517d72fc8cac4bab1f52c6800ff04a69d42b5571", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/src/main.rs
[INFO] [stderr] warning: unused imports: `mem`, `time`
[INFO] [stderr]  --> src/main.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::{mem, thread, time};
[INFO] [stderr]   |           ^^^          ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `how-long-does-it-take-to-spawn-a-thread` (bin "how-long-does-it-take-to-spawn-a-thread" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/how_long_does_it_take_to_spawn_a_thread-3373fb1a1fed6356)
[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" "b84b90444a10b4504852fa4a517d72fc8cac4bab1f52c6800ff04a69d42b5571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b84b90444a10b4504852fa4a517d72fc8cac4bab1f52c6800ff04a69d42b5571", kill_on_drop: false }`
[INFO] [stdout] b84b90444a10b4504852fa4a517d72fc8cac4bab1f52c6800ff04a69d42b5571