[INFO] fetching crate kwrap 0.0.0-alpha.1...
[INFO] testing kwrap-0.0.0-alpha.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate kwrap 0.0.0-alpha.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate kwrap 0.0.0-alpha.1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kwrap 0.0.0-alpha.1
[INFO] finished tweaking crates.io crate kwrap 0.0.0-alpha.1
[INFO] tweaked toml for crates.io crate kwrap 0.0.0-alpha.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate kwrap 0.0.0-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9721a3d658d49d3bcff80fabccbbb2452c8458e2a2bf840ed59aaecd9b479544
[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" "9721a3d658d49d3bcff80fabccbbb2452c8458e2a2bf840ed59aaecd9b479544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9721a3d658d49d3bcff80fabccbbb2452c8458e2a2bf840ed59aaecd9b479544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9721a3d658d49d3bcff80fabccbbb2452c8458e2a2bf840ed59aaecd9b479544", kill_on_drop: false }`
[INFO] [stdout] 9721a3d658d49d3bcff80fabccbbb2452c8458e2a2bf840ed59aaecd9b479544
[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=forbid" "-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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef06fad3d0ca83c58c0771e41d19153f5f998ff57f38f4136b13a7d22dcc0f30
[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" "ef06fad3d0ca83c58c0771e41d19153f5f998ff57f38f4136b13a7d22dcc0f30", kill_on_drop: false }`
[INFO] [stderr]    Compiling kwrap v0.0.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "ef06fad3d0ca83c58c0771e41d19153f5f998ff57f38f4136b13a7d22dcc0f30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef06fad3d0ca83c58c0771e41d19153f5f998ff57f38f4136b13a7d22dcc0f30", kill_on_drop: false }`
[INFO] [stdout] ef06fad3d0ca83c58c0771e41d19153f5f998ff57f38f4136b13a7d22dcc0f30
[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=forbid" "-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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15d7e56d0223a27f35ebd37e593d7264379f32f8088b8b7bce29bffe6b8a888b
[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" "15d7e56d0223a27f35ebd37e593d7264379f32f8088b8b7bce29bffe6b8a888b", kill_on_drop: false }`
[INFO] [stderr]    Compiling kwrap v0.0.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "15d7e56d0223a27f35ebd37e593d7264379f32f8088b8b7bce29bffe6b8a888b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15d7e56d0223a27f35ebd37e593d7264379f32f8088b8b7bce29bffe6b8a888b", kill_on_drop: false }`
[INFO] [stdout] 15d7e56d0223a27f35ebd37e593d7264379f32f8088b8b7bce29bffe6b8a888b
[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=forbid" "-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" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 05e596d7b97b2d2a50ac92fe89b3fa6f72d87f75eda6eb183f12949e25c43451
[INFO] running `Command { std: "docker" "start" "-a" "05e596d7b97b2d2a50ac92fe89b3fa6f72d87f75eda6eb183f12949e25c43451", kill_on_drop: false }`
[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]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kwrap-dfef4e0a396b23e5)
[INFO] running `Command { std: "docker" "inspect" "05e596d7b97b2d2a50ac92fe89b3fa6f72d87f75eda6eb183f12949e25c43451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05e596d7b97b2d2a50ac92fe89b3fa6f72d87f75eda6eb183f12949e25c43451", kill_on_drop: false }`
[INFO] [stdout] 05e596d7b97b2d2a50ac92fe89b3fa6f72d87f75eda6eb183f12949e25c43451