[INFO] fetching crate mcoffin-tuple-ext 0.1.0...
[INFO] testing mcoffin-tuple-ext-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mcoffin-tuple-ext 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mcoffin-tuple-ext 0.1.0 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 mcoffin-tuple-ext 0.1.0
[INFO] finished tweaking crates.io crate mcoffin-tuple-ext 0.1.0
[INFO] tweaked toml for crates.io crate mcoffin-tuple-ext 0.1.0 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] fbad20935502f554f259f8370360f6d3fbf7ef6dab0742a3b810d2f1734936cd
[INFO] running `Command { std: "docker" "start" "-a" "fbad20935502f554f259f8370360f6d3fbf7ef6dab0742a3b810d2f1734936cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbad20935502f554f259f8370360f6d3fbf7ef6dab0742a3b810d2f1734936cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbad20935502f554f259f8370360f6d3fbf7ef6dab0742a3b810d2f1734936cd", kill_on_drop: false }`
[INFO] [stdout] fbad20935502f554f259f8370360f6d3fbf7ef6dab0742a3b810d2f1734936cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 8fb100493112097b0956e0734059893387bc3f6d81a701380926fb4cf8a64fd7
[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" "8fb100493112097b0956e0734059893387bc3f6d81a701380926fb4cf8a64fd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcoffin-tuple-ext v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "8fb100493112097b0956e0734059893387bc3f6d81a701380926fb4cf8a64fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fb100493112097b0956e0734059893387bc3f6d81a701380926fb4cf8a64fd7", kill_on_drop: false }`
[INFO] [stdout] 8fb100493112097b0956e0734059893387bc3f6d81a701380926fb4cf8a64fd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 86a9d433756d34a2ab2182a16542627b276ff48c1c91502ceb28608c4b787dec
[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" "86a9d433756d34a2ab2182a16542627b276ff48c1c91502ceb28608c4b787dec", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mcoffin-tuple-ext v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "86a9d433756d34a2ab2182a16542627b276ff48c1c91502ceb28608c4b787dec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86a9d433756d34a2ab2182a16542627b276ff48c1c91502ceb28608c4b787dec", kill_on_drop: false }`
[INFO] [stdout] 86a9d433756d34a2ab2182a16542627b276ff48c1c91502ceb28608c4b787dec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 069b8d04815801948a3b8f3c1187982189331fc47903c656fd0ba222e14ffece
[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" "069b8d04815801948a3b8f3c1187982189331fc47903c656fd0ba222e14ffece", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mcoffin_tuple_ext-a9dfc0ad7bfd648e)
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests mcoffin-tuple-ext
[INFO] [stdout] test tests::and_then_tup_works ... ok
[INFO] [stdout] test tests::make_none_first_results_in_make_none ... ok
[INFO] [stdout] test tests::and_tup_works ... ok
[INFO] [stdout] test tests::it_works_with_strings ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "069b8d04815801948a3b8f3c1187982189331fc47903c656fd0ba222e14ffece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "069b8d04815801948a3b8f3c1187982189331fc47903c656fd0ba222e14ffece", kill_on_drop: false }`
[INFO] [stdout] 069b8d04815801948a3b8f3c1187982189331fc47903c656fd0ba222e14ffece