[INFO] fetching crate fast-spsc-queue 0.0.1...
[INFO] testing fast-spsc-queue-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate fast-spsc-queue 0.0.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate fast-spsc-queue 0.0.1 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 fast-spsc-queue 0.0.1
[INFO] finished tweaking crates.io crate fast-spsc-queue 0.0.1
[INFO] tweaked toml for crates.io crate fast-spsc-queue 0.0.1 written to /workspace/builds/worker-13/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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 04e7158cbf55663e313ba3c1dc1c1f6ca6371e41df0b635e5f8fcc0341493d76
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "04e7158cbf55663e313ba3c1dc1c1f6ca6371e41df0b635e5f8fcc0341493d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04e7158cbf55663e313ba3c1dc1c1f6ca6371e41df0b635e5f8fcc0341493d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04e7158cbf55663e313ba3c1dc1c1f6ca6371e41df0b635e5f8fcc0341493d76", kill_on_drop: false }`
[INFO] [stdout] 04e7158cbf55663e313ba3c1dc1c1f6ca6371e41df0b635e5f8fcc0341493d76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 90e237c32880ad602072ce56164ebb7558dfbef896c11c655d23f6d83386b744
[INFO] running `Command { std: "docker" "start" "-a" "90e237c32880ad602072ce56164ebb7558dfbef896c11c655d23f6d83386b744", kill_on_drop: false }`
[INFO] [stderr]    Compiling fast-spsc-queue v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "90e237c32880ad602072ce56164ebb7558dfbef896c11c655d23f6d83386b744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90e237c32880ad602072ce56164ebb7558dfbef896c11c655d23f6d83386b744", kill_on_drop: false }`
[INFO] [stdout] 90e237c32880ad602072ce56164ebb7558dfbef896c11c655d23f6d83386b744
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] c4f5d04db2661e2147bdf4e23af5f5364404e64cac8ff8aff3328f241c8cd5e4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c4f5d04db2661e2147bdf4e23af5f5364404e64cac8ff8aff3328f241c8cd5e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling fast-spsc-queue v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "c4f5d04db2661e2147bdf4e23af5f5364404e64cac8ff8aff3328f241c8cd5e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4f5d04db2661e2147bdf4e23af5f5364404e64cac8ff8aff3328f241c8cd5e4", kill_on_drop: false }`
[INFO] [stdout] c4f5d04db2661e2147bdf4e23af5f5364404e64cac8ff8aff3328f241c8cd5e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 3947324864aa3b1a90a4ba9c728671318efa6559474f284a090a9a290cb5dbe8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3947324864aa3b1a90a4ba9c728671318efa6559474f284a090a9a290cb5dbe8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fast_spsc_queue-d48ae94fcc6f721d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fast-spsc-queue
[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] [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" "3947324864aa3b1a90a4ba9c728671318efa6559474f284a090a9a290cb5dbe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3947324864aa3b1a90a4ba9c728671318efa6559474f284a090a9a290cb5dbe8", kill_on_drop: false }`
[INFO] [stdout] 3947324864aa3b1a90a4ba9c728671318efa6559474f284a090a9a290cb5dbe8