[INFO] fetching crate introsort 0.6.0...
[INFO] testing introsort-0.6.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate introsort 0.6.0 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate introsort 0.6.0 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 introsort 0.6.0
[INFO] finished tweaking crates.io crate introsort 0.6.0
[INFO] tweaked toml for crates.io crate introsort 0.6.0 written to /workspace/builds/worker-18/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded void v0.0.5
[INFO] [stderr]   Downloaded unreachable v0.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] b594f60d84340312bed62b1cbc849f981ea44bec2720f6807b8bcebeeb2edacd
[INFO] running `Command { std: "docker" "start" "-a" "b594f60d84340312bed62b1cbc849f981ea44bec2720f6807b8bcebeeb2edacd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b594f60d84340312bed62b1cbc849f981ea44bec2720f6807b8bcebeeb2edacd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b594f60d84340312bed62b1cbc849f981ea44bec2720f6807b8bcebeeb2edacd", kill_on_drop: false }`
[INFO] [stdout] b594f60d84340312bed62b1cbc849f981ea44bec2720f6807b8bcebeeb2edacd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 2669fa15f73bd073a77dee739cc86781100796510d8c0bce2acd0b87d0e9fa6e
[INFO] running `Command { std: "docker" "start" "-a" "2669fa15f73bd073a77dee739cc86781100796510d8c0bce2acd0b87d0e9fa6e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling void v0.0.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling unreachable v0.0.2
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling introsort v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.46s
[INFO] running `Command { std: "docker" "inspect" "2669fa15f73bd073a77dee739cc86781100796510d8c0bce2acd0b87d0e9fa6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2669fa15f73bd073a77dee739cc86781100796510d8c0bce2acd0b87d0e9fa6e", kill_on_drop: false }`
[INFO] [stdout] 2669fa15f73bd073a77dee739cc86781100796510d8c0bce2acd0b87d0e9fa6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 83df780244b6690f6dcc9816e1fd5f4787594516dada5cfe5f30ca62b445df4b
[INFO] running `Command { std: "docker" "start" "-a" "83df780244b6690f6dcc9816e1fd5f4787594516dada5cfe5f30ca62b445df4b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling introsort v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.28s
[INFO] running `Command { std: "docker" "inspect" "83df780244b6690f6dcc9816e1fd5f4787594516dada5cfe5f30ca62b445df4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83df780244b6690f6dcc9816e1fd5f4787594516dada5cfe5f30ca62b445df4b", kill_on_drop: false }`
[INFO] [stdout] 83df780244b6690f6dcc9816e1fd5f4787594516dada5cfe5f30ca62b445df4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 462907746ef28513603b8eb1adc1853120aae6ea1d6b266f8d474a6551f84ae2
[INFO] running `Command { std: "docker" "start" "-a" "462907746ef28513603b8eb1adc1853120aae6ea1d6b266f8d474a6551f84ae2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-4adcf4b64a00e7c9)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_introsort ... ok
[INFO] [stdout] test test_heapsort ... ok
[INFO] [stdout] test test_insertion_sort ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.38s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test-floats.rs (/opt/rustwide/target/debug/deps/test_floats-20e18eee6a3c17d5)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test bench::test_sort_few_zeros ... ok
[INFO] [stdout] test bench::test_sort_zeros ... ok
[INFO] [stdout] test bench::test_sort_floats ... ok
[INFO] [stderr]    Doc-tests introsort
[INFO] [stdout] test bench::test_sort_random_floats ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[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" "462907746ef28513603b8eb1adc1853120aae6ea1d6b266f8d474a6551f84ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "462907746ef28513603b8eb1adc1853120aae6ea1d6b266f8d474a6551f84ae2", kill_on_drop: false }`
[INFO] [stdout] 462907746ef28513603b8eb1adc1853120aae6ea1d6b266f8d474a6551f84ae2