[INFO] fetching crate slap 0.1.1...
[INFO] testing slap-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate slap 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate slap 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slap 0.1.1
[INFO] finished tweaking crates.io crate slap 0.1.1
[INFO] tweaked toml for crates.io crate slap 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate slap 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 732584da05459aaf73c696e74324aacc2a6591349bfec2f6ebbdf88fd1f5cad7
[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" "732584da05459aaf73c696e74324aacc2a6591349bfec2f6ebbdf88fd1f5cad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "732584da05459aaf73c696e74324aacc2a6591349bfec2f6ebbdf88fd1f5cad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "732584da05459aaf73c696e74324aacc2a6591349bfec2f6ebbdf88fd1f5cad7", kill_on_drop: false }`
[INFO] [stdout] 732584da05459aaf73c696e74324aacc2a6591349bfec2f6ebbdf88fd1f5cad7
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 3d82c471cbba92aa48274d1dfc4f6b576e2fac104a05437dbae98b3ee0874567
[INFO] running `Command { std: "docker" "start" "-a" "3d82c471cbba92aa48274d1dfc4f6b576e2fac104a05437dbae98b3ee0874567", kill_on_drop: false }`
[INFO] [stderr]    Compiling slap v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "3d82c471cbba92aa48274d1dfc4f6b576e2fac104a05437dbae98b3ee0874567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d82c471cbba92aa48274d1dfc4f6b576e2fac104a05437dbae98b3ee0874567", kill_on_drop: false }`
[INFO] [stdout] 3d82c471cbba92aa48274d1dfc4f6b576e2fac104a05437dbae98b3ee0874567
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] b9a9185251a62889441e8ae28814149621dd3d1ad9e39b754a5c7026cc62803b
[INFO] running `Command { std: "docker" "start" "-a" "b9a9185251a62889441e8ae28814149621dd3d1ad9e39b754a5c7026cc62803b", kill_on_drop: false }`
[INFO] [stderr]    Compiling slap v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "b9a9185251a62889441e8ae28814149621dd3d1ad9e39b754a5c7026cc62803b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9a9185251a62889441e8ae28814149621dd3d1ad9e39b754a5c7026cc62803b", kill_on_drop: false }`
[INFO] [stdout] b9a9185251a62889441e8ae28814149621dd3d1ad9e39b754a5c7026cc62803b
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fc937efdc950fa7289c4c6e7eb796286ba4fa00eca7b44d2c6c496a364ebb70f
[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" "fc937efdc950fa7289c4c6e7eb796286ba4fa00eca7b44d2c6c496a364ebb70f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/slap-adbd0181053ba3a0
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fc937efdc950fa7289c4c6e7eb796286ba4fa00eca7b44d2c6c496a364ebb70f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc937efdc950fa7289c4c6e7eb796286ba4fa00eca7b44d2c6c496a364ebb70f", kill_on_drop: false }`
[INFO] [stdout] fc937efdc950fa7289c4c6e7eb796286ba4fa00eca7b44d2c6c496a364ebb70f