[INFO] fetching crate pipers 1.0.1...
[INFO] testing pipers-1.0.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate pipers 1.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pipers 1.0.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pipers 1.0.1
[INFO] finished tweaking crates.io crate pipers 1.0.1
[INFO] tweaked toml for crates.io crate pipers 1.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 261e1801c4520e500c20f33b1828f3965364ebfe8443fbcbaee2728caa4a2863
[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" "261e1801c4520e500c20f33b1828f3965364ebfe8443fbcbaee2728caa4a2863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "261e1801c4520e500c20f33b1828f3965364ebfe8443fbcbaee2728caa4a2863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "261e1801c4520e500c20f33b1828f3965364ebfe8443fbcbaee2728caa4a2863", kill_on_drop: false }`
[INFO] [stdout] 261e1801c4520e500c20f33b1828f3965364ebfe8443fbcbaee2728caa4a2863
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] e31630448191d852ba874dae428e84fc1b941be6ea0404909ded918bd405d3d7
[INFO] running `Command { std: "docker" "start" "-a" "e31630448191d852ba874dae428e84fc1b941be6ea0404909ded918bd405d3d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling pipers v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "e31630448191d852ba874dae428e84fc1b941be6ea0404909ded918bd405d3d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e31630448191d852ba874dae428e84fc1b941be6ea0404909ded918bd405d3d7", kill_on_drop: false }`
[INFO] [stdout] e31630448191d852ba874dae428e84fc1b941be6ea0404909ded918bd405d3d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] c3b747e3fc8fe60350edcbbf7ee6e3aa51c19a7cda1a260208c513d4f2e1949e
[INFO] running `Command { std: "docker" "start" "-a" "c3b747e3fc8fe60350edcbbf7ee6e3aa51c19a7cda1a260208c513d4f2e1949e", kill_on_drop: false }`
[INFO] [stderr]    Compiling pipers v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "c3b747e3fc8fe60350edcbbf7ee6e3aa51c19a7cda1a260208c513d4f2e1949e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b747e3fc8fe60350edcbbf7ee6e3aa51c19a7cda1a260208c513d4f2e1949e", kill_on_drop: false }`
[INFO] [stdout] c3b747e3fc8fe60350edcbbf7ee6e3aa51c19a7cda1a260208c513d4f2e1949e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7730aed491cb6a2b887a492dff1f71f8bbbff7f1cd2da2db89c7524ba722eabf
[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" "7730aed491cb6a2b887a492dff1f71f8bbbff7f1cd2da2db89c7524ba722eabf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pipers-fff2169a787b73e2)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_pipe ... 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] [stderr]    Doc-tests pipers
[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" "7730aed491cb6a2b887a492dff1f71f8bbbff7f1cd2da2db89c7524ba722eabf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7730aed491cb6a2b887a492dff1f71f8bbbff7f1cd2da2db89c7524ba722eabf", kill_on_drop: false }`
[INFO] [stdout] 7730aed491cb6a2b887a492dff1f71f8bbbff7f1cd2da2db89c7524ba722eabf
