[INFO] fetching crate ironsort 0.1.0...
[INFO] testing ironsort-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ironsort 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ironsort 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ironsort 0.1.0
[INFO] finished tweaking crates.io crate ironsort 0.1.0
[INFO] tweaked toml for crates.io crate ironsort 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57e68bbc680ef19c81ca1f6e348773784963eeb221ce4894dfc05d27cf32bf79
[INFO] running `Command { std: "docker" "start" "-a" "57e68bbc680ef19c81ca1f6e348773784963eeb221ce4894dfc05d27cf32bf79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57e68bbc680ef19c81ca1f6e348773784963eeb221ce4894dfc05d27cf32bf79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57e68bbc680ef19c81ca1f6e348773784963eeb221ce4894dfc05d27cf32bf79", kill_on_drop: false }`
[INFO] [stdout] 57e68bbc680ef19c81ca1f6e348773784963eeb221ce4894dfc05d27cf32bf79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 768b81c6a507748ffb23be34b009bbaa226d5769bbf543e5985347645e15211b
[INFO] running `Command { std: "docker" "start" "-a" "768b81c6a507748ffb23be34b009bbaa226d5769bbf543e5985347645e15211b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ironsort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "768b81c6a507748ffb23be34b009bbaa226d5769bbf543e5985347645e15211b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "768b81c6a507748ffb23be34b009bbaa226d5769bbf543e5985347645e15211b", kill_on_drop: false }`
[INFO] [stdout] 768b81c6a507748ffb23be34b009bbaa226d5769bbf543e5985347645e15211b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 966efe4640fe3039cc531dabdcb6f01871248c29b33ae614f340a1fdc0f83e50
[INFO] running `Command { std: "docker" "start" "-a" "966efe4640fe3039cc531dabdcb6f01871248c29b33ae614f340a1fdc0f83e50", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling ironsort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "966efe4640fe3039cc531dabdcb6f01871248c29b33ae614f340a1fdc0f83e50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "966efe4640fe3039cc531dabdcb6f01871248c29b33ae614f340a1fdc0f83e50", kill_on_drop: false }`
[INFO] [stdout] 966efe4640fe3039cc531dabdcb6f01871248c29b33ae614f340a1fdc0f83e50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 70bf0d48861fba53d894359e8251df3271435b9d46b5155d2fafc7ea7a3c2fe7
[INFO] running `Command { std: "docker" "start" "-a" "70bf0d48861fba53d894359e8251df3271435b9d46b5155d2fafc7ea7a3c2fe7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ironsort-6249f4b1cc24c585)
[INFO] [stdout] test tests::test_array_of_u8 ... ok
[INFO] [stdout] test tests::test_vec_of_u64 ... ok
[INFO] [stdout] test tests::test_vec_of_u8 ... ok
[INFO] [stdout] test tests::test_random ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ironsort
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - quicksort_by (line 27) ... ok
[INFO] [stdout] test src/lib.rs - quicksort (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "70bf0d48861fba53d894359e8251df3271435b9d46b5155d2fafc7ea7a3c2fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70bf0d48861fba53d894359e8251df3271435b9d46b5155d2fafc7ea7a3c2fe7", kill_on_drop: false }`
[INFO] [stdout] 70bf0d48861fba53d894359e8251df3271435b9d46b5155d2fafc7ea7a3c2fe7