[INFO] fetching crate succ 0.1.0...
[INFO] testing succ-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate succ 0.1.0 into /workspace/builds/worker-44/source
[INFO] validating manifest of crates.io crate succ 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 succ 0.1.0
[INFO] finished tweaking crates.io crate succ 0.1.0
[INFO] tweaked toml for crates.io crate succ 0.1.0 written to /workspace/builds/worker-44/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] [stderr]     Blocking waiting for file lock on package cache
[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-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] 3ee27202584f66a500e421dd823d998bb10ff7a1221266d17ca6f1ba7bb9031d
[INFO] running `Command { std: "docker" "start" "-a" "3ee27202584f66a500e421dd823d998bb10ff7a1221266d17ca6f1ba7bb9031d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ee27202584f66a500e421dd823d998bb10ff7a1221266d17ca6f1ba7bb9031d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ee27202584f66a500e421dd823d998bb10ff7a1221266d17ca6f1ba7bb9031d", kill_on_drop: false }`
[INFO] [stdout] 3ee27202584f66a500e421dd823d998bb10ff7a1221266d17ca6f1ba7bb9031d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] b3bae85d108d5fa89b417e50128873d16f58e58bd20f331d8fee0fb46dad3030
[INFO] running `Command { std: "docker" "start" "-a" "b3bae85d108d5fa89b417e50128873d16f58e58bd20f331d8fee0fb46dad3030", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling succ v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "b3bae85d108d5fa89b417e50128873d16f58e58bd20f331d8fee0fb46dad3030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3bae85d108d5fa89b417e50128873d16f58e58bd20f331d8fee0fb46dad3030", kill_on_drop: false }`
[INFO] [stdout] b3bae85d108d5fa89b417e50128873d16f58e58bd20f331d8fee0fb46dad3030
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] ec8fae32556dcef46f04e4b0f51e52d6eb2c57afacaa6345f782849dc726aa85
[INFO] running `Command { std: "docker" "start" "-a" "ec8fae32556dcef46f04e4b0f51e52d6eb2c57afacaa6345f782849dc726aa85", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling succ v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "ec8fae32556dcef46f04e4b0f51e52d6eb2c57afacaa6345f782849dc726aa85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec8fae32556dcef46f04e4b0f51e52d6eb2c57afacaa6345f782849dc726aa85", kill_on_drop: false }`
[INFO] [stdout] ec8fae32556dcef46f04e4b0f51e52d6eb2c57afacaa6345f782849dc726aa85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] 40e4721fe113b71789742b31e0992a1781fff1cadf3d5c7ad680e75442bf6496
[INFO] running `Command { std: "docker" "start" "-a" "40e4721fe113b71789742b31e0992a1781fff1cadf3d5c7ad680e75442bf6496", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/succ-b7804ca210dec903)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::chars ... ok
[INFO] [stdout] test tests::floats ... ok
[INFO] [stdout] test tests::ints ... ok
[INFO] [stdout] test tests::uints ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests succ
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - succ (line 54) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "40e4721fe113b71789742b31e0992a1781fff1cadf3d5c7ad680e75442bf6496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40e4721fe113b71789742b31e0992a1781fff1cadf3d5c7ad680e75442bf6496", kill_on_drop: false }`
[INFO] [stdout] 40e4721fe113b71789742b31e0992a1781fff1cadf3d5c7ad680e75442bf6496