[INFO] cloning repository https://github.com/udzura/fork-wait-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/udzura/fork-wait-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudzura%2Ffork-wait-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudzura%2Ffork-wait-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0758baa381c002d7c3f2044abc105db022a26601
[INFO] testing udzura/fork-wait-example against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudzura%2Ffork-wait-example" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/udzura/fork-wait-example 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 git repo https://github.com/udzura/fork-wait-example
[INFO] finished tweaking git repo https://github.com/udzura/fork-wait-example
[INFO] tweaked toml for git repo https://github.com/udzura/fork-wait-example written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/udzura/fork-wait-example 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 9919d68b897b02cf100c8c1382d55bff8eb1feca8d7ad66c3939b95220831e4e
[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" "9919d68b897b02cf100c8c1382d55bff8eb1feca8d7ad66c3939b95220831e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9919d68b897b02cf100c8c1382d55bff8eb1feca8d7ad66c3939b95220831e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9919d68b897b02cf100c8c1382d55bff8eb1feca8d7ad66c3939b95220831e4e", kill_on_drop: false }`
[INFO] [stdout] 9919d68b897b02cf100c8c1382d55bff8eb1feca8d7ad66c3939b95220831e4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 06e3ab903e85ae43742ced9aa710b455c55a4c642c2438983a508e9bea145e99
[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" "06e3ab903e85ae43742ced9aa710b455c55a4c642c2438983a508e9bea145e99", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling minimum-container-example v0.1.0 (/opt/rustwide/workdir/minimum-container-example)
[INFO] [stderr]    Compiling fork-wait-example v0.1.0 (/opt/rustwide/workdir/worker-example)
[INFO] [stderr]    Compiling cloexec-example v0.1.0 (/opt/rustwide/workdir/cloexec-example)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.68s
[INFO] running `Command { std: "docker" "inspect" "06e3ab903e85ae43742ced9aa710b455c55a4c642c2438983a508e9bea145e99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06e3ab903e85ae43742ced9aa710b455c55a4c642c2438983a508e9bea145e99", kill_on_drop: false }`
[INFO] [stdout] 06e3ab903e85ae43742ced9aa710b455c55a4c642c2438983a508e9bea145e99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e25bf88ff2134226b28fb6124b48718b28b0f70653a62d2bdf9ee0bfd8b608a0
[INFO] running `Command { std: "docker" "start" "-a" "e25bf88ff2134226b28fb6124b48718b28b0f70653a62d2bdf9ee0bfd8b608a0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling minimum-container-example v0.1.0 (/opt/rustwide/workdir/minimum-container-example)
[INFO] [stderr]    Compiling cloexec-example v0.1.0 (/opt/rustwide/workdir/cloexec-example)
[INFO] [stderr]    Compiling fork-wait-example v0.1.0 (/opt/rustwide/workdir/worker-example)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "e25bf88ff2134226b28fb6124b48718b28b0f70653a62d2bdf9ee0bfd8b608a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e25bf88ff2134226b28fb6124b48718b28b0f70653a62d2bdf9ee0bfd8b608a0", kill_on_drop: false }`
[INFO] [stdout] e25bf88ff2134226b28fb6124b48718b28b0f70653a62d2bdf9ee0bfd8b608a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 8be19507dd9e330f91f0e318824bb5feb998161ba76ed8f8910d82f30d791ee2
[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" "8be19507dd9e330f91f0e318824bb5feb998161ba76ed8f8910d82f30d791ee2", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cloexec_example-22ae79a8339d7bbe)
[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/fork_wait_example-13d3ecb00a2e1f78)
[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/minimum_container_example-3c96ea922321a417)
[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" "8be19507dd9e330f91f0e318824bb5feb998161ba76ed8f8910d82f30d791ee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8be19507dd9e330f91f0e318824bb5feb998161ba76ed8f8910d82f30d791ee2", kill_on_drop: false }`
[INFO] [stdout] 8be19507dd9e330f91f0e318824bb5feb998161ba76ed8f8910d82f30d791ee2