[INFO] fetching crate pico-driver 0.3.1...
[INFO] testing pico-driver-0.3.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate pico-driver 0.3.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pico-driver 0.3.1 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 pico-driver 0.3.1
[INFO] finished tweaking crates.io crate pico-driver 0.3.1
[INFO] tweaked toml for crates.io crate pico-driver 0.3.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", 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] 7014563e41293f37e91494ba26aeb3321dd99d08ea4651148a329668455698da
[INFO] running `Command { std: "docker" "start" "-a" "7014563e41293f37e91494ba26aeb3321dd99d08ea4651148a329668455698da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7014563e41293f37e91494ba26aeb3321dd99d08ea4651148a329668455698da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7014563e41293f37e91494ba26aeb3321dd99d08ea4651148a329668455698da", kill_on_drop: false }`
[INFO] [stdout] 7014563e41293f37e91494ba26aeb3321dd99d08ea4651148a329668455698da
[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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac6a69bb1c090d6da2d3e719a1eb7cddef1a694c4338015ad6e611d8f2cf3aa3
[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" "ac6a69bb1c090d6da2d3e719a1eb7cddef1a694c4338015ad6e611d8f2cf3aa3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling c_vec v2.0.0
[INFO] [stderr]    Compiling pico-sys-dynamic v0.3.1
[INFO] [stderr]    Compiling enum-iterator-derive v0.6.0
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling enum-iterator v0.6.0
[INFO] [stderr]    Compiling pico-common v0.3.1
[INFO] [stderr]    Compiling pico-driver v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.72s
[INFO] running `Command { std: "docker" "inspect" "ac6a69bb1c090d6da2d3e719a1eb7cddef1a694c4338015ad6e611d8f2cf3aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac6a69bb1c090d6da2d3e719a1eb7cddef1a694c4338015ad6e611d8f2cf3aa3", kill_on_drop: false }`
[INFO] [stdout] ac6a69bb1c090d6da2d3e719a1eb7cddef1a694c4338015ad6e611d8f2cf3aa3
[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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5346ec7786559c735f1fa31bf8b9ebab3cc531d320ec13a6cd6ea7a1bf518b1
[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" "e5346ec7786559c735f1fa31bf8b9ebab3cc531d320ec13a6cd6ea7a1bf518b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling pico-driver v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.85s
[INFO] running `Command { std: "docker" "inspect" "e5346ec7786559c735f1fa31bf8b9ebab3cc531d320ec13a6cd6ea7a1bf518b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5346ec7786559c735f1fa31bf8b9ebab3cc531d320ec13a6cd6ea7a1bf518b1", kill_on_drop: false }`
[INFO] [stdout] e5346ec7786559c735f1fa31bf8b9ebab3cc531d320ec13a6cd6ea7a1bf518b1
[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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6c5761821d18db2ffe6231be91f544ce3d9d79b7fa52bd66c5996f276a6f3f8a
[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" "6c5761821d18db2ffe6231be91f544ce3d9d79b7fa52bd66c5996f276a6f3f8a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pico_driver-15ec4a32f1de0226)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pico-driver
[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 1 test
[INFO] [stdout] test src/lib.rs - (line 19) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6c5761821d18db2ffe6231be91f544ce3d9d79b7fa52bd66c5996f276a6f3f8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c5761821d18db2ffe6231be91f544ce3d9d79b7fa52bd66c5996f276a6f3f8a", kill_on_drop: false }`
[INFO] [stdout] 6c5761821d18db2ffe6231be91f544ce3d9d79b7fa52bd66c5996f276a6f3f8a