[INFO] fetching crate cycler 0.3.0...
[INFO] testing cycler-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate cycler 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cycler 0.3.0 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 cycler 0.3.0
[INFO] finished tweaking crates.io crate cycler 0.3.0
[INFO] tweaked toml for crates.io crate cycler 0.3.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 41f086ff3bca1af0f7ef47471d3f982b1b9a7219e10296d4efb7662029da699d
[INFO] running `Command { std: "docker" "start" "-a" "41f086ff3bca1af0f7ef47471d3f982b1b9a7219e10296d4efb7662029da699d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41f086ff3bca1af0f7ef47471d3f982b1b9a7219e10296d4efb7662029da699d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41f086ff3bca1af0f7ef47471d3f982b1b9a7219e10296d4efb7662029da699d", kill_on_drop: false }`
[INFO] [stdout] 41f086ff3bca1af0f7ef47471d3f982b1b9a7219e10296d4efb7662029da699d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 7358deebaf821ac422d4a813cc11728d87ddc24922d144620dab6fc61c3de282
[INFO] running `Command { std: "docker" "start" "-a" "7358deebaf821ac422d4a813cc11728d87ddc24922d144620dab6fc61c3de282", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling cycler v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "7358deebaf821ac422d4a813cc11728d87ddc24922d144620dab6fc61c3de282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7358deebaf821ac422d4a813cc11728d87ddc24922d144620dab6fc61c3de282", kill_on_drop: false }`
[INFO] [stdout] 7358deebaf821ac422d4a813cc11728d87ddc24922d144620dab6fc61c3de282
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 37a1b203273572a24ad2e3483ce5566a1b45134a3648a07f0fd1dadc0c2b57c6
[INFO] running `Command { std: "docker" "start" "-a" "37a1b203273572a24ad2e3483ce5566a1b45134a3648a07f0fd1dadc0c2b57c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cycler v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "37a1b203273572a24ad2e3483ce5566a1b45134a3648a07f0fd1dadc0c2b57c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a1b203273572a24ad2e3483ce5566a1b45134a3648a07f0fd1dadc0c2b57c6", kill_on_drop: false }`
[INFO] [stdout] 37a1b203273572a24ad2e3483ce5566a1b45134a3648a07f0fd1dadc0c2b57c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b8d20a4d49b06ff281e404c66bd67758e6af586c892e4fa61ebd891736174d3a
[INFO] running `Command { std: "docker" "start" "-a" "b8d20a4d49b06ff281e404c66bd67758e6af586c892e4fa61ebd891736174d3a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 7 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cycler-5e504bac193bbab7)
[INFO] [stdout] test atomic_cycler::test::default_test ... ok
[INFO] [stderr]    Doc-tests cycler
[INFO] [stdout] test atomic_rw_lock::test::test_u64 ... ok
[INFO] [stdout] test atomic_rw_lock::test::test_u16 ... ok
[INFO] [stdout] test atomic_rw_lock::test::test_u8 ... ok
[INFO] [stdout] test atomic_rw_lock::test::test_usize ... ok
[INFO] [stdout] test atomic_rw_lock::test::test_u32 ... ok
[INFO] [stdout] test rw_lock_cycler::test::default_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "b8d20a4d49b06ff281e404c66bd67758e6af586c892e4fa61ebd891736174d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8d20a4d49b06ff281e404c66bd67758e6af586c892e4fa61ebd891736174d3a", kill_on_drop: false }`
[INFO] [stdout] b8d20a4d49b06ff281e404c66bd67758e6af586c892e4fa61ebd891736174d3a