[INFO] fetching crate xio_jobset 0.13.0...
[INFO] testing xio_jobset-0.13.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate xio_jobset 0.13.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate xio_jobset 0.13.0 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 xio_jobset 0.13.0
[INFO] finished tweaking crates.io crate xio_jobset 0.13.0
[INFO] tweaked toml for crates.io crate xio_jobset 0.13.0 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bf3a7d206aa894dfa69db2fa5882c50c360009e37eada40ad12926d2e42b6fc9
[INFO] running `Command { std: "docker" "start" "-a" "bf3a7d206aa894dfa69db2fa5882c50c360009e37eada40ad12926d2e42b6fc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf3a7d206aa894dfa69db2fa5882c50c360009e37eada40ad12926d2e42b6fc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf3a7d206aa894dfa69db2fa5882c50c360009e37eada40ad12926d2e42b6fc9", kill_on_drop: false }`
[INFO] [stdout] bf3a7d206aa894dfa69db2fa5882c50c360009e37eada40ad12926d2e42b6fc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 3481802e885292b5896ec0386034f2689b8560c4642f39790519fc17904ae7d2
[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" "3481802e885292b5896ec0386034f2689b8560c4642f39790519fc17904ae7d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling ommui_string_patterns v0.1.2
[INFO] [stderr]    Compiling snafu-derive v0.5.0
[INFO] [stderr]    Compiling snafu v0.5.0
[INFO] [stderr]    Compiling xio_base_datatypes v0.8.0
[INFO] [stderr]    Compiling xio_jobset v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.02s
[INFO] running `Command { std: "docker" "inspect" "3481802e885292b5896ec0386034f2689b8560c4642f39790519fc17904ae7d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3481802e885292b5896ec0386034f2689b8560c4642f39790519fc17904ae7d2", kill_on_drop: false }`
[INFO] [stdout] 3481802e885292b5896ec0386034f2689b8560c4642f39790519fc17904ae7d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c2b5e7a23922be616da544e81bc96c4ce672330f812daa1a40d9eb3159ab9582
[INFO] running `Command { std: "docker" "start" "-a" "c2b5e7a23922be616da544e81bc96c4ce672330f812daa1a40d9eb3159ab9582", kill_on_drop: false }`
[INFO] [stderr]    Compiling xio_jobset v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.20s
[INFO] running `Command { std: "docker" "inspect" "c2b5e7a23922be616da544e81bc96c4ce672330f812daa1a40d9eb3159ab9582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2b5e7a23922be616da544e81bc96c4ce672330f812daa1a40d9eb3159ab9582", kill_on_drop: false }`
[INFO] [stdout] c2b5e7a23922be616da544e81bc96c4ce672330f812daa1a40d9eb3159ab9582
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 8747954cbb6bfd0634aae7fc39d9353d7f48638f0f2f4f26b666da94ad5254da
[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" "8747954cbb6bfd0634aae7fc39d9353d7f48638f0f2f4f26b666da94ad5254da", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/xio_jobset-fc5a51586f88b308)
[INFO] [stderr]    Doc-tests xio_jobset
[INFO] [stdout] test tests::example_jobset ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "8747954cbb6bfd0634aae7fc39d9353d7f48638f0f2f4f26b666da94ad5254da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8747954cbb6bfd0634aae7fc39d9353d7f48638f0f2f4f26b666da94ad5254da", kill_on_drop: false }`
[INFO] [stdout] 8747954cbb6bfd0634aae7fc39d9353d7f48638f0f2f4f26b666da94ad5254da