[INFO] fetching crate newick-rs 0.2.0...
[INFO] testing newick-rs-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate newick-rs 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate newick-rs 0.2.0 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 newick-rs 0.2.0
[INFO] finished tweaking crates.io crate newick-rs 0.2.0
[INFO] tweaked toml for crates.io crate newick-rs 0.2.0 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 4e03ace2068f1ba88ec18f1159cfb714721dd980234a33c7e6dbfa0290c69978
[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" "4e03ace2068f1ba88ec18f1159cfb714721dd980234a33c7e6dbfa0290c69978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e03ace2068f1ba88ec18f1159cfb714721dd980234a33c7e6dbfa0290c69978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e03ace2068f1ba88ec18f1159cfb714721dd980234a33c7e6dbfa0290c69978", kill_on_drop: false }`
[INFO] [stdout] 4e03ace2068f1ba88ec18f1159cfb714721dd980234a33c7e6dbfa0290c69978
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] b5cbfec1698fd3056ac387b32e2d2c18c521a9a85841f97b98ad7ef1cfc2a11e
[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" "b5cbfec1698fd3056ac387b32e2d2c18c521a9a85841f97b98ad7ef1cfc2a11e", kill_on_drop: false }`
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling newick-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.43s
[INFO] running `Command { std: "docker" "inspect" "b5cbfec1698fd3056ac387b32e2d2c18c521a9a85841f97b98ad7ef1cfc2a11e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5cbfec1698fd3056ac387b32e2d2c18c521a9a85841f97b98ad7ef1cfc2a11e", kill_on_drop: false }`
[INFO] [stdout] b5cbfec1698fd3056ac387b32e2d2c18c521a9a85841f97b98ad7ef1cfc2a11e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 4ce2198d95dd8f6049c2a3cfeefe40cc89382706935043c882bdad73fa696f71
[INFO] running `Command { std: "docker" "start" "-a" "4ce2198d95dd8f6049c2a3cfeefe40cc89382706935043c882bdad73fa696f71", kill_on_drop: false }`
[INFO] [stderr]    Compiling newick-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "4ce2198d95dd8f6049c2a3cfeefe40cc89382706935043c882bdad73fa696f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ce2198d95dd8f6049c2a3cfeefe40cc89382706935043c882bdad73fa696f71", kill_on_drop: false }`
[INFO] [stdout] 4ce2198d95dd8f6049c2a3cfeefe40cc89382706935043c882bdad73fa696f71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] f8fddca8ef3c134494b70dc60d5ba0611f909ff2490294f8087c12d15d1a4920
[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" "f8fddca8ef3c134494b70dc60d5ba0611f909ff2490294f8087c12d15d1a4920", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/newick_rs-2c3ff221b4ac356b)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test newick::test::test_from_newick ... ok
[INFO] [stdout] test newick::test::test_name ... ok
[INFO] [stdout] test newick::test::test_branch_set ... ok
[INFO] [stdout] test newick::test::test_length ... ok
[INFO] [stdout] test newick::test::test_to_newick ... ok
[INFO] [stdout] test newick::test::test_leaf ... ok
[INFO] [stdout] test newick::test::test_internal ... ok
[INFO] [stdout] test newick::test::test_branch ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests newick-rs
[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" "f8fddca8ef3c134494b70dc60d5ba0611f909ff2490294f8087c12d15d1a4920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8fddca8ef3c134494b70dc60d5ba0611f909ff2490294f8087c12d15d1a4920", kill_on_drop: false }`
[INFO] [stdout] f8fddca8ef3c134494b70dc60d5ba0611f909ff2490294f8087c12d15d1a4920