[INFO] fetching crate optlib-testfunc 0.1.0...
[INFO] testing optlib-testfunc-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate optlib-testfunc 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate optlib-testfunc 0.1.0 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 optlib-testfunc 0.1.0
[INFO] finished tweaking crates.io crate optlib-testfunc 0.1.0
[INFO] tweaked toml for crates.io crate optlib-testfunc 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] bec7ba66adac9cdd3b0e94408d440bc0bc5b17c784c65e95b911e08d9a5c5510
[INFO] running `Command { std: "docker" "start" "-a" "bec7ba66adac9cdd3b0e94408d440bc0bc5b17c784c65e95b911e08d9a5c5510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bec7ba66adac9cdd3b0e94408d440bc0bc5b17c784c65e95b911e08d9a5c5510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bec7ba66adac9cdd3b0e94408d440bc0bc5b17c784c65e95b911e08d9a5c5510", kill_on_drop: false }`
[INFO] [stdout] bec7ba66adac9cdd3b0e94408d440bc0bc5b17c784c65e95b911e08d9a5c5510
[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] 43dfc961a58dbc6b88ca14391951f2fba49aaab7fd09e8cf1b7166c750f6d0b6
[INFO] running `Command { std: "docker" "start" "-a" "43dfc961a58dbc6b88ca14391951f2fba49aaab7fd09e8cf1b7166c750f6d0b6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling optlib-testfunc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.77s
[INFO] running `Command { std: "docker" "inspect" "43dfc961a58dbc6b88ca14391951f2fba49aaab7fd09e8cf1b7166c750f6d0b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43dfc961a58dbc6b88ca14391951f2fba49aaab7fd09e8cf1b7166c750f6d0b6", kill_on_drop: false }`
[INFO] [stdout] 43dfc961a58dbc6b88ca14391951f2fba49aaab7fd09e8cf1b7166c750f6d0b6
[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] f796c1102da67f13894779edcd341025a85334032e0575d341182cfc6feba570
[INFO] running `Command { std: "docker" "start" "-a" "f796c1102da67f13894779edcd341025a85334032e0575d341182cfc6feba570", kill_on_drop: false }`
[INFO] [stderr]    Compiling optlib-testfunc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "f796c1102da67f13894779edcd341025a85334032e0575d341182cfc6feba570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f796c1102da67f13894779edcd341025a85334032e0575d341182cfc6feba570", kill_on_drop: false }`
[INFO] [stdout] f796c1102da67f13894779edcd341025a85334032e0575d341182cfc6feba570
[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] edfcbf7d6dab7dd507d14154e5708b785d7094cbc14d6b7edbc1af770786f412
[INFO] running `Command { std: "docker" "start" "-a" "edfcbf7d6dab7dd507d14154e5708b785d7094cbc14d6b7edbc1af770786f412", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/optlib_testfunc-846620fcd042dc8a)
[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] [stderr]    Doc-tests optlib-testfunc
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - schwefel (line 36) ... ok
[INFO] [stdout] test src/lib.rs - paraboloid (line 11) ... ok
[INFO] [stdout] test src/lib.rs - rosenbrock (line 77) ... ok
[INFO] [stdout] test src/lib.rs - rastrigin (line 55) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.92s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "edfcbf7d6dab7dd507d14154e5708b785d7094cbc14d6b7edbc1af770786f412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edfcbf7d6dab7dd507d14154e5708b785d7094cbc14d6b7edbc1af770786f412", kill_on_drop: false }`
[INFO] [stdout] edfcbf7d6dab7dd507d14154e5708b785d7094cbc14d6b7edbc1af770786f412