[INFO] fetching crate pwner 0.1.5...
[INFO] testing pwner-0.1.5 against 1.55.0 for beta-1.56-1
[INFO] extracting crate pwner 0.1.5 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate pwner 0.1.5 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pwner 0.1.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pwner 0.1.5
[INFO] tweaked toml for crates.io crate pwner 0.1.5 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate pwner 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 176efef6115d95362a174733f8fed296530e6b7abba65987bf1aa36034fadda4
[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" "176efef6115d95362a174733f8fed296530e6b7abba65987bf1aa36034fadda4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "176efef6115d95362a174733f8fed296530e6b7abba65987bf1aa36034fadda4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "176efef6115d95362a174733f8fed296530e6b7abba65987bf1aa36034fadda4", kill_on_drop: false }`
[INFO] [stdout] 176efef6115d95362a174733f8fed296530e6b7abba65987bf1aa36034fadda4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.55.0" "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] c358ac178998fbe8b2d2d1ace429a6dc24ac6e160638f19b3f2932fd1e8f05f9
[INFO] running `Command { std: "docker" "start" "-a" "c358ac178998fbe8b2d2d1ace429a6dc24ac6e160638f19b3f2932fd1e8f05f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling nix v0.19.0
[INFO] [stderr]    Compiling pwner v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.29s
[INFO] running `Command { std: "docker" "inspect" "c358ac178998fbe8b2d2d1ace429a6dc24ac6e160638f19b3f2932fd1e8f05f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c358ac178998fbe8b2d2d1ace429a6dc24ac6e160638f19b3f2932fd1e8f05f9", kill_on_drop: false }`
[INFO] [stdout] c358ac178998fbe8b2d2d1ace429a6dc24ac6e160638f19b3f2932fd1e8f05f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.55.0" "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] f42d270d51cd6e058acf68691972c7eaa19f9e365495999ad34ddf6fad44c1fc
[INFO] running `Command { std: "docker" "start" "-a" "f42d270d51cd6e058acf68691972c7eaa19f9e365495999ad34ddf6fad44c1fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling tokio v0.3.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling crossbeam v0.8.0
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]    Compiling pwner v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.94s
[INFO] running `Command { std: "docker" "inspect" "f42d270d51cd6e058acf68691972c7eaa19f9e365495999ad34ddf6fad44c1fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f42d270d51cd6e058acf68691972c7eaa19f9e365495999ad34ddf6fad44c1fc", kill_on_drop: false }`
[INFO] [stdout] f42d270d51cd6e058acf68691972c7eaa19f9e365495999ad34ddf6fad44c1fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.55.0" "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] 023c72590f20024c20270fbc2ac0baa9956158816981ce3d2ad533574b9f6a82
[INFO] running `Command { std: "docker" "start" "-a" "023c72590f20024c20270fbc2ac0baa9956158816981ce3d2ad533574b9f6a82", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pwner-b5bf92250d8b3965)
[INFO] [stdout] running 4 tests
[INFO] [stdout] test process::test::read ... ok
[INFO] [stdout] test process::test::decompose ... ok
[INFO] [stdout] test process::test::drop ... ok
[INFO] [stderr]    Doc-tests pwner
[INFO] [stdout] test process::test::write ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test src/process.rs - process (line 7) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 12) - compile ... ok
[INFO] [stdout] test src/process.rs - process::Duplex::eject (line 214) - compile ... ok
[INFO] [stdout] test src/process.rs - process::Simplex (line 266) - compile ... ok
[INFO] [stdout] test src/process.rs - process::Duplex::pipes (line 150) - compile ... ok
[INFO] [stdout] test src/process.rs - process::Output::pipes (line 397) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 45) - compile ... ok
[INFO] [stdout] test src/lib.rs - Spawner::spawn_owned (line 83) - compile ... ok
[INFO] [stdout] test src/process.rs - process (line 16) - compile ... ok
[INFO] [stdout] test src/process.rs - process::Duplex::read_from (line 129) - compile ... ok
[INFO] [stdout] test src/process.rs - process::Output::read_from (line 376) - compile ... ok
[INFO] [stdout] test src/process.rs - process::Simplex::eject (line 322) - compile ... ok
[INFO] [stdout] test src/process.rs - process::Duplex::decompose (line 179) - compile ... ok
[INFO] [stdout] test src/process.rs - process (line 31) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 21) - compile ... ok
[INFO] [stdout] test src/process.rs - process::Duplex::id (line 107) - compile ... ok
[INFO] [stdout] test src/process.rs - process::Simplex::id (line 292) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.76s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "023c72590f20024c20270fbc2ac0baa9956158816981ce3d2ad533574b9f6a82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "023c72590f20024c20270fbc2ac0baa9956158816981ce3d2ad533574b9f6a82", kill_on_drop: false }`
[INFO] [stdout] 023c72590f20024c20270fbc2ac0baa9956158816981ce3d2ad533574b9f6a82