[INFO] fetching crate hurdles 1.0.1...
[INFO] testing hurdles-1.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate hurdles 1.0.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate hurdles 1.0.1 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 hurdles 1.0.1
[INFO] finished tweaking crates.io crate hurdles 1.0.1
[INFO] tweaked toml for crates.io crate hurdles 1.0.1 written to /workspace/builds/worker-14/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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] a4e043f607b3ae14f8cd9db75423d19beef9d140557532fb9b50bbcfaa4dc97b
[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" "a4e043f607b3ae14f8cd9db75423d19beef9d140557532fb9b50bbcfaa4dc97b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4e043f607b3ae14f8cd9db75423d19beef9d140557532fb9b50bbcfaa4dc97b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4e043f607b3ae14f8cd9db75423d19beef9d140557532fb9b50bbcfaa4dc97b", kill_on_drop: false }`
[INFO] [stdout] a4e043f607b3ae14f8cd9db75423d19beef9d140557532fb9b50bbcfaa4dc97b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] d466615a44438e1c1fe01b4d865a74f228e657c64a272b953c6e8ce846544a91
[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" "d466615a44438e1c1fe01b4d865a74f228e657c64a272b953c6e8ce846544a91", kill_on_drop: false }`
[INFO] [stderr]    Compiling hurdles v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "d466615a44438e1c1fe01b4d865a74f228e657c64a272b953c6e8ce846544a91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d466615a44438e1c1fe01b4d865a74f228e657c64a272b953c6e8ce846544a91", kill_on_drop: false }`
[INFO] [stdout] d466615a44438e1c1fe01b4d865a74f228e657c64a272b953c6e8ce846544a91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] ccf6aae7d88940f757f5de354e0d77780fa722247123db706861f88e9661f3dc
[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" "ccf6aae7d88940f757f5de354e0d77780fa722247123db706861f88e9661f3dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling hurdles v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "ccf6aae7d88940f757f5de354e0d77780fa722247123db706861f88e9661f3dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccf6aae7d88940f757f5de354e0d77780fa722247123db706861f88e9661f3dc", kill_on_drop: false }`
[INFO] [stdout] ccf6aae7d88940f757f5de354e0d77780fa722247123db706861f88e9661f3dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4f3bcf13f4ffa59d18f3700fce791f550f073532037b23da14e0d2c2cba9a863
[INFO] running `Command { std: "docker" "start" "-a" "4f3bcf13f4ffa59d18f3700fce791f550f073532037b23da14e0d2c2cba9a863", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hurdles-bd80b15efa47c40b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_barrier ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hurdles
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - BarrierWaitResult (line 109) ... ok
[INFO] [stdout] test src/lib.rs - Barrier::new (line 128) ... ok
[INFO] [stdout] test src/lib.rs - BarrierWaitResult::is_leader (line 226) ... ok
[INFO] [stdout] test src/lib.rs - Barrier::wait (line 157) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4f3bcf13f4ffa59d18f3700fce791f550f073532037b23da14e0d2c2cba9a863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f3bcf13f4ffa59d18f3700fce791f550f073532037b23da14e0d2c2cba9a863", kill_on_drop: false }`
[INFO] [stdout] 4f3bcf13f4ffa59d18f3700fce791f550f073532037b23da14e0d2c2cba9a863