[INFO] fetching crate nix-test-runner 0.4.3...
[INFO] testing nix-test-runner-0.4.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate nix-test-runner 0.4.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate nix-test-runner 0.4.3 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 crates.io crate nix-test-runner 0.4.3
[INFO] finished tweaking crates.io crate nix-test-runner 0.4.3
[INFO] tweaked toml for crates.io crate nix-test-runner 0.4.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate nix-test-runner 0.4.3 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 6570ac7fc068b5081f1771f545bfb57aaeaa2b4e5af0a4270a447ba25cd35b1c
[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" "6570ac7fc068b5081f1771f545bfb57aaeaa2b4e5af0a4270a447ba25cd35b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6570ac7fc068b5081f1771f545bfb57aaeaa2b4e5af0a4270a447ba25cd35b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6570ac7fc068b5081f1771f545bfb57aaeaa2b4e5af0a4270a447ba25cd35b1c", kill_on_drop: false }`
[INFO] [stdout] 6570ac7fc068b5081f1771f545bfb57aaeaa2b4e5af0a4270a447ba25cd35b1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4d50222b6014d73cb2a1e5e9333aa1b37dbb8c4e0e24cbd49b79f9d1917b9757
[INFO] running `Command { std: "docker" "start" "-a" "4d50222b6014d73cb2a1e5e9333aa1b37dbb8c4e0e24cbd49b79f9d1917b9757", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling termize v0.1.1
[INFO] [stderr]    Compiling derive-getters v0.0.7
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling junit-report v0.2.0
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling nix-test-runner v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.18s
[INFO] running `Command { std: "docker" "inspect" "4d50222b6014d73cb2a1e5e9333aa1b37dbb8c4e0e24cbd49b79f9d1917b9757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d50222b6014d73cb2a1e5e9333aa1b37dbb8c4e0e24cbd49b79f9d1917b9757", kill_on_drop: false }`
[INFO] [stdout] 4d50222b6014d73cb2a1e5e9333aa1b37dbb8c4e0e24cbd49b79f9d1917b9757
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 781d6e0f4c170f2259dc617a4bdf7ad2f1ff727d251fa2a6b82352ba76b6bb84
[INFO] running `Command { std: "docker" "start" "-a" "781d6e0f4c170f2259dc617a4bdf7ad2f1ff727d251fa2a6b82352ba76b6bb84", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix-test-runner v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "781d6e0f4c170f2259dc617a4bdf7ad2f1ff727d251fa2a6b82352ba76b6bb84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "781d6e0f4c170f2259dc617a4bdf7ad2f1ff727d251fa2a6b82352ba76b6bb84", kill_on_drop: false }`
[INFO] [stdout] 781d6e0f4c170f2259dc617a4bdf7ad2f1ff727d251fa2a6b82352ba76b6bb84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 6119cda9f75e0c055ab870799be948db8732a83e39c7de5227ad27a4eb0dd7aa
[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" "6119cda9f75e0c055ab870799be948db8732a83e39c7de5227ad27a4eb0dd7aa", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nix_test_runner-a0cc958e040c3567)
[INFO] [stdout] test status_passed_test ... ok
[INFO] [stdout] test status_failed_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 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/nix_test-6c22eb218f0a0111)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nix-test-runner
[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] [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" "6119cda9f75e0c055ab870799be948db8732a83e39c7de5227ad27a4eb0dd7aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6119cda9f75e0c055ab870799be948db8732a83e39c7de5227ad27a4eb0dd7aa", kill_on_drop: false }`
[INFO] [stdout] 6119cda9f75e0c055ab870799be948db8732a83e39c7de5227ad27a4eb0dd7aa