[INFO] fetching crate wedpr_l_utils 1.1.0...
[INFO] testing wedpr_l_utils-1.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate wedpr_l_utils 1.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate wedpr_l_utils 1.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wedpr_l_utils 1.1.0
[INFO] finished tweaking crates.io crate wedpr_l_utils 1.1.0
[INFO] tweaked toml for crates.io crate wedpr_l_utils 1.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6cf06e91e37846c2e663e5373d535f2ce77238f4c897a19e2db22e80f06db8d
[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" "e6cf06e91e37846c2e663e5373d535f2ce77238f4c897a19e2db22e80f06db8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6cf06e91e37846c2e663e5373d535f2ce77238f4c897a19e2db22e80f06db8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6cf06e91e37846c2e663e5373d535f2ce77238f4c897a19e2db22e80f06db8d", kill_on_drop: false }`
[INFO] [stdout] e6cf06e91e37846c2e663e5373d535f2ce77238f4c897a19e2db22e80f06db8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] afebe1890b5fbf2ef3abd07633407cba5dc4c12cdf2f9e8fe58c627afe47f8ed
[INFO] running `Command { std: "docker" "start" "-a" "afebe1890b5fbf2ef3abd07633407cba5dc4c12cdf2f9e8fe58c627afe47f8ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling wedpr_l_utils v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.45s
[INFO] running `Command { std: "docker" "inspect" "afebe1890b5fbf2ef3abd07633407cba5dc4c12cdf2f9e8fe58c627afe47f8ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afebe1890b5fbf2ef3abd07633407cba5dc4c12cdf2f9e8fe58c627afe47f8ed", kill_on_drop: false }`
[INFO] [stdout] afebe1890b5fbf2ef3abd07633407cba5dc4c12cdf2f9e8fe58c627afe47f8ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f85d2919ecaa6bfd1ca3e48ede13e28b2e3e1fc85ea6745db4da8de704e3e84
[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" "3f85d2919ecaa6bfd1ca3e48ede13e28b2e3e1fc85ea6745db4da8de704e3e84", kill_on_drop: false }`
[INFO] [stderr]    Compiling wedpr_l_utils v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "3f85d2919ecaa6bfd1ca3e48ede13e28b2e3e1fc85ea6745db4da8de704e3e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f85d2919ecaa6bfd1ca3e48ede13e28b2e3e1fc85ea6745db4da8de704e3e84", kill_on_drop: false }`
[INFO] [stdout] 3f85d2919ecaa6bfd1ca3e48ede13e28b2e3e1fc85ea6745db4da8de704e3e84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] 56b5d536d22f68b1152c77877cc3e6c9956d32972fc6f7b80ab93093a558e87f
[INFO] running `Command { std: "docker" "start" "-a" "56b5d536d22f68b1152c77877cc3e6c9956d32972fc6f7b80ab93093a558e87f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wedpr_l_utils-2dedd5dff7f26828)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests wedpr_l_utils
[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" "56b5d536d22f68b1152c77877cc3e6c9956d32972fc6f7b80ab93093a558e87f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56b5d536d22f68b1152c77877cc3e6c9956d32972fc6f7b80ab93093a558e87f", kill_on_drop: false }`
[INFO] [stdout] 56b5d536d22f68b1152c77877cc3e6c9956d32972fc6f7b80ab93093a558e87f