[INFO] cloning repository https://github.com/dodadoa/Ludwig
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dodadoa/Ludwig" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdodadoa%2FLudwig", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdodadoa%2FLudwig'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f5d1000356b504d4d9c498aafc2d3e6ce4be047
[INFO] testing dodadoa/Ludwig against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdodadoa%2FLudwig" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dodadoa/Ludwig on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dodadoa/Ludwig
[INFO] finished tweaking git repo https://github.com/dodadoa/Ludwig
[INFO] tweaked toml for git repo https://github.com/dodadoa/Ludwig written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/dodadoa/Ludwig already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded object v0.23.0
[INFO] [stderr]   Downloaded backtrace v0.3.56
[INFO] [stderr]   Downloaded random v0.12.2
[INFO] [stderr]   Downloaded derive_builder v0.7.2
[INFO] [stderr]   Downloaded http v0.2.3
[INFO] [stderr]   Downloaded http-body v0.4.0
[INFO] [stderr]   Downloaded exitfailure v0.5.1
[INFO] [stderr]   Downloaded miow v0.3.6
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.71
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.71
[INFO] [stderr]   Downloaded security-framework-sys v2.1.1
[INFO] [stderr]   Downloaded tokio-tls v0.3.1
[INFO] [stderr]   Downloaded futures-util v0.3.13
[INFO] [stderr]   Downloaded futures-task v0.3.13
[INFO] [stderr]   Downloaded httparse v1.3.5
[INFO] [stderr]   Downloaded tokio-util v0.6.3
[INFO] [stderr]   Downloaded darling_core v0.9.0
[INFO] [stderr]   Downloaded darling_macro v0.9.0
[INFO] [stderr]   Downloaded once_cell v1.7.0
[INFO] [stderr]   Downloaded darling v0.9.0
[INFO] [stderr]   Downloaded futures-core v0.3.13
[INFO] [stderr]   Downloaded idna v0.2.2
[INFO] [stderr]   Downloaded tinyvec v1.1.1
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.21
[INFO] [stderr]   Downloaded pin-project v1.0.5
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.71
[INFO] [stderr]   Downloaded futures-sink v0.3.13
[INFO] [stderr]   Downloaded openssl v0.10.32
[INFO] [stderr]   Downloaded web-sys v0.3.48
[INFO] [stderr]   Downloaded tui v0.14.0
[INFO] [stderr]   Downloaded mio v0.7.9
[INFO] [stderr]   Downloaded reqwest v0.11.1
[INFO] [stderr]   Downloaded redox_termios v0.1.2
[INFO] [stderr]   Downloaded rspotify v0.10.0
[INFO] [stderr]   Downloaded pin-project-lite v0.2.4
[INFO] [stderr]   Downloaded redox_syscall v0.2.5
[INFO] [stderr]   Downloaded ipnet v2.3.0
[INFO] [stderr]   Downloaded hyper-tls v0.4.3
[INFO] [stderr]   Downloaded futures-io v0.3.13
[INFO] [stderr]   Downloaded futures-macro v0.3.13
[INFO] [stderr]   Downloaded tokio-socks v0.3.0
[INFO] [stderr]   Downloaded security-framework v2.1.1
[INFO] [stderr]   Downloaded futures v0.3.13
[INFO] [stderr]   Downloaded openssl-sys v0.9.60
[INFO] [stderr]   Downloaded reqwest v0.10.10
[INFO] [stderr]   Downloaded js-sys v0.3.48
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.71
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.71
[INFO] [stderr]   Downloaded webbrowser v0.5.5
[INFO] [stderr]   Downloaded tokio v1.2.0
[INFO] [stderr]   Downloaded h2 v0.3.1
[INFO] [stderr]   Downloaded derive_builder_core v0.5.0
[INFO] [stderr]   Downloaded hyper v0.14.4
[INFO] [stderr]   Downloaded strsim v0.7.0
[INFO] [stderr]   Downloaded dotenv v0.13.0
[INFO] [stderr]   Downloaded addr2line v0.14.1
[INFO] [stderr]   Downloaded lock_api v0.4.2
[INFO] [stderr]   Downloaded pin-project-internal v1.0.5
[INFO] [stderr]   Downloaded futures-executor v0.3.13
[INFO] [stderr]   Downloaded futures-channel v0.3.13
[INFO] [stderr]   Downloaded cassowary v0.3.0
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] f3a199f8ca25ce3308706aa37ac2f929e36557934333a00a50cf5ac75205b6e1
[INFO] running `Command { std: "docker" "start" "-a" "f3a199f8ca25ce3308706aa37ac2f929e36557934333a00a50cf5ac75205b6e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3a199f8ca25ce3308706aa37ac2f929e36557934333a00a50cf5ac75205b6e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3a199f8ca25ce3308706aa37ac2f929e36557934333a00a50cf5ac75205b6e1", kill_on_drop: false }`
[INFO] [stdout] f3a199f8ca25ce3308706aa37ac2f929e36557934333a00a50cf5ac75205b6e1
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b63791c9cd00bd9aa1ed84272293afd1dc3a8c85217af640e37379245173b9f0
[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" "b63791c9cd00bd9aa1ed84272293afd1dc3a8c85217af640e37379245173b9f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling webbrowser v0.5.5
[INFO] [stderr]    Compiling random v0.12.2
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling tinyvec v1.1.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling http v0.2.3
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling tracing v0.1.25
[INFO] [stderr]    Compiling mio v0.7.9
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling tui v0.14.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling http-body v0.4.0
[INFO] [stderr]    Compiling idna v0.2.2
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr] error: could not compile `object`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name object --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/object-0.23.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="archive"' --cfg 'feature="coff"' --cfg 'feature="elf"' --cfg 'feature="macho"' --cfg 'feature="pe"' --cfg 'feature="read_core"' --cfg 'feature="unaligned"' -C metadata=b8ba4f774b13ad33 -C extra-filename=-b8ba4f774b13ad33 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b63791c9cd00bd9aa1ed84272293afd1dc3a8c85217af640e37379245173b9f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b63791c9cd00bd9aa1ed84272293afd1dc3a8c85217af640e37379245173b9f0", kill_on_drop: false }`
[INFO] [stdout] b63791c9cd00bd9aa1ed84272293afd1dc3a8c85217af640e37379245173b9f0