[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] checking emberian/how-long-does-it-take-to-spawn-a-thread/d17447f61ecee8ac90c5b99404095877d9fd0a20 against 5c543b0b8c73c7b72bc8284ced4fb22ead15734d for pr-160186
[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-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/emberian/how-long-does-it-take-to-spawn-a-thread on toolchain 5c543b0b8c73c7b72bc8284ced4fb22ead15734d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: file `/workspace/builds/worker-6-tc1/source/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `how-long-does-it-take-to-spawn-a-thread`
[INFO] [stderr]   * `bench` target `main`
[INFO] [stderr] warning: `how-long-does-it-take-to-spawn-a-thread` (manifest) generated 1 warning
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.27
[INFO] [stderr]   Downloaded quote v1.0.6
[INFO] [stderr]   Downloaded hermit-abi v0.1.13
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.63
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.63
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.2
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.63
[INFO] [stderr]   Downloaded proc-macro2 v1.0.17
[INFO] [stderr]   Downloaded js-sys v0.3.40
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.63
[INFO] [stderr]   Downloaded bumpalo v3.3.0
[INFO] [stderr]   Downloaded clap v2.33.1
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.63
[INFO] [stderr]   Downloaded libc v0.2.71
[INFO] [stderr]   Downloaded bstr v0.2.13
[INFO] [stderr]   Downloaded web-sys v0.3.40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b6ce702a222ee466e7400939349fd9b952817a2122622486f6082f7db92e4e70
[INFO] running `Command { std: "docker" "start" "b6ce702a222ee466e7400939349fd9b952817a2122622486f6082f7db92e4e70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6ce702a222ee466e7400939349fd9b952817a2122622486f6082f7db92e4e70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b6ce702a222ee466e7400939349fd9b952817a2122622486f6082f7db92e4e70" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6ce702a222ee466e7400939349fd9b952817a2122622486f6082f7db92e4e70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b6ce702a222ee466e7400939349fd9b952817a2122622486f6082f7db92e4e70" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: file `/opt/rustwide/workdir/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `how-long-does-it-take-to-spawn-a-thread`
[INFO] [stderr]   * `bench` target `main`
[INFO] [stderr] warning: `how-long-does-it-take-to-spawn-a-thread` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]     Checking crossbeam-queue v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking criterion v0.3.2
[INFO] [stderr]     Checking how-long-does-it-take-to-spawn-a-thread v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `mem` and `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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `mem` and `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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `mem` and `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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.82s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "b6ce702a222ee466e7400939349fd9b952817a2122622486f6082f7db92e4e70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6ce702a222ee466e7400939349fd9b952817a2122622486f6082f7db92e4e70", kill_on_drop: false }`
[INFO] [stdout] b6ce702a222ee466e7400939349fd9b952817a2122622486f6082f7db92e4e70
