[INFO] fetching crate feature-check 1.0.0...
[INFO] testing feature-check-1.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate feature-check 1.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate feature-check 1.0.0 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 feature-check 1.0.0
[INFO] finished tweaking crates.io crate feature-check 1.0.0
[INFO] tweaked toml for crates.io crate feature-check 1.0.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate feature-check 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded expect-exit v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] fa8695af61e788642bbb28ad03e10ae5b595fe54dc0885de3934c15c783a0efa
[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" "fa8695af61e788642bbb28ad03e10ae5b595fe54dc0885de3934c15c783a0efa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa8695af61e788642bbb28ad03e10ae5b595fe54dc0885de3934c15c783a0efa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa8695af61e788642bbb28ad03e10ae5b595fe54dc0885de3934c15c783a0efa", kill_on_drop: false }`
[INFO] [stdout] fa8695af61e788642bbb28ad03e10ae5b595fe54dc0885de3934c15c783a0efa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 32b4a18d33143a96fb38f66a325444004c43c54d5783202da5ebe466e3c0857f
[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" "32b4a18d33143a96fb38f66a325444004c43c54d5783202da5ebe466e3c0857f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling expect-exit v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling feature-check v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.27s
[INFO] running `Command { std: "docker" "inspect" "32b4a18d33143a96fb38f66a325444004c43c54d5783202da5ebe466e3c0857f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32b4a18d33143a96fb38f66a325444004c43c54d5783202da5ebe466e3c0857f", kill_on_drop: false }`
[INFO] [stdout] 32b4a18d33143a96fb38f66a325444004c43c54d5783202da5ebe466e3c0857f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 8bfdd1bf11bfdd1ca8b3d69bb6550638a340d53dc11812dc9fc9ffdd304dc86b
[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" "8bfdd1bf11bfdd1ca8b3d69bb6550638a340d53dc11812dc9fc9ffdd304dc86b", kill_on_drop: false }`
[INFO] [stderr]    Compiling feature-check v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "8bfdd1bf11bfdd1ca8b3d69bb6550638a340d53dc11812dc9fc9ffdd304dc86b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bfdd1bf11bfdd1ca8b3d69bb6550638a340d53dc11812dc9fc9ffdd304dc86b", kill_on_drop: false }`
[INFO] [stdout] 8bfdd1bf11bfdd1ca8b3d69bb6550638a340d53dc11812dc9fc9ffdd304dc86b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4213195eac515db465e6115b4e8d5963485f5d8696047a35a3068f5d57dcd1de
[INFO] running `Command { std: "docker" "start" "-a" "4213195eac515db465e6115b4e8d5963485f5d8696047a35a3068f5d57dcd1de", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/feature_check-da478d1cfe99051c)
[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]      Running unittests (/opt/rustwide/target/debug/deps/feature_check-4a9162773a26d00c)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests feature-check
[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 2 tests
[INFO] [stdout] test src/version.rs - version (line 7) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4213195eac515db465e6115b4e8d5963485f5d8696047a35a3068f5d57dcd1de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4213195eac515db465e6115b4e8d5963485f5d8696047a35a3068f5d57dcd1de", kill_on_drop: false }`
[INFO] [stdout] 4213195eac515db465e6115b4e8d5963485f5d8696047a35a3068f5d57dcd1de