[INFO] fetching crate cpu-stress-test 2.1.0...
[INFO] testing cpu-stress-test-2.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate cpu-stress-test 2.1.0 into /workspace/builds/worker-104/source
[INFO] validating manifest of crates.io crate cpu-stress-test 2.1.0 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 crates.io crate cpu-stress-test 2.1.0
[INFO] finished tweaking crates.io crate cpu-stress-test 2.1.0
[INFO] tweaked toml for crates.io crate cpu-stress-test 2.1.0 written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] crate crates.io crate cpu-stress-test 2.1.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 0ea3ea9fa12fee7c5802ff69de9551db4d2011089fd25b210693db13888df8a4
[INFO] running `Command { std: "docker" "start" "-a" "0ea3ea9fa12fee7c5802ff69de9551db4d2011089fd25b210693db13888df8a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ea3ea9fa12fee7c5802ff69de9551db4d2011089fd25b210693db13888df8a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ea3ea9fa12fee7c5802ff69de9551db4d2011089fd25b210693db13888df8a4", kill_on_drop: false }`
[INFO] [stdout] 0ea3ea9fa12fee7c5802ff69de9551db4d2011089fd25b210693db13888df8a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] ea3ad82e5dc2ff258ecf6e670c53ca23dd2ab1d842891892b6cfcee8aac46e47
[INFO] running `Command { std: "docker" "start" "-a" "ea3ad82e5dc2ff258ecf6e670c53ca23dd2ab1d842891892b6cfcee8aac46e47", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling cpu-stress-test v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.16s
[INFO] running `Command { std: "docker" "inspect" "ea3ad82e5dc2ff258ecf6e670c53ca23dd2ab1d842891892b6cfcee8aac46e47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea3ad82e5dc2ff258ecf6e670c53ca23dd2ab1d842891892b6cfcee8aac46e47", kill_on_drop: false }`
[INFO] [stdout] ea3ad82e5dc2ff258ecf6e670c53ca23dd2ab1d842891892b6cfcee8aac46e47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 31a2b260fbbccc4bc4554e47affb727255bc9366af6035eddc924633d9a54c62
[INFO] running `Command { std: "docker" "start" "-a" "31a2b260fbbccc4bc4554e47affb727255bc9366af6035eddc924633d9a54c62", kill_on_drop: false }`
[INFO] [stderr]    Compiling cpu-stress-test v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "31a2b260fbbccc4bc4554e47affb727255bc9366af6035eddc924633d9a54c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31a2b260fbbccc4bc4554e47affb727255bc9366af6035eddc924633d9a54c62", kill_on_drop: false }`
[INFO] [stdout] 31a2b260fbbccc4bc4554e47affb727255bc9366af6035eddc924633d9a54c62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 378744a1d47b557cb797745a63c9ef816b05e739a775c81574232084691a2b1e
[INFO] running `Command { std: "docker" "start" "-a" "378744a1d47b557cb797745a63c9ef816b05e739a775c81574232084691a2b1e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cpu_stress_test-e1e5d98be8c869df)
[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" "378744a1d47b557cb797745a63c9ef816b05e739a775c81574232084691a2b1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "378744a1d47b557cb797745a63c9ef816b05e739a775c81574232084691a2b1e", kill_on_drop: false }`
[INFO] [stdout] 378744a1d47b557cb797745a63c9ef816b05e739a775c81574232084691a2b1e