[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