[INFO] cloning repository https://github.com/4got/rust-todo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/4got/rust-todo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4got%2Frust-todo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4got%2Frust-todo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 516d493ec6fe171df31c77f28223ba1bc5e4441d
[INFO] checking 4got/rust-todo against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4got%2Frust-todo" "/workspace/builds/worker-57/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-57/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/4got/rust-todo on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/4got/rust-todo
[INFO] finished tweaking git repo https://github.com/4got/rust-todo
[INFO] tweaked toml for git repo https://github.com/4got/rust-todo written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] crate git repo https://github.com/4got/rust-todo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee7e3a923a83d8377d89400a2ba03a1b75eea0611ed740b3aae0aa02556ba345
[INFO] running `Command { std: "docker" "start" "-a" "ee7e3a923a83d8377d89400a2ba03a1b75eea0611ed740b3aae0aa02556ba345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee7e3a923a83d8377d89400a2ba03a1b75eea0611ed740b3aae0aa02556ba345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee7e3a923a83d8377d89400a2ba03a1b75eea0611ed740b3aae0aa02556ba345", kill_on_drop: false }`
[INFO] [stdout] ee7e3a923a83d8377d89400a2ba03a1b75eea0611ed740b3aae0aa02556ba345
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9260512b0ce8748736f6dbcc2425e900a43074a16906b1e4e40a073d5d861bf
[INFO] running `Command { std: "docker" "start" "-a" "c9260512b0ce8748736f6dbcc2425e900a43074a16906b1e4e40a073d5d861bf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling path-slash v0.1.4
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling v_escape v0.15.0
[INFO] [stderr]    Compiling v_htmlescape v0.12.0
[INFO] [stderr]    Compiling humansize v1.1.1
[INFO] [stderr]    Compiling askama_escape v0.2.0
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling instant v0.1.11
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling tinyvec v1.5.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling tracing-core v0.1.20
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr] error: could not compile `num-traits`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name num_traits /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-traits-0.2.14/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="default"' --cfg 'feature="std"' -C metadata=e611f1a591721d53 -C extra-filename=-e611f1a591721d53 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn --cfg has_i128 --cfg has_to_int_unchecked` (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" "c9260512b0ce8748736f6dbcc2425e900a43074a16906b1e4e40a073d5d861bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9260512b0ce8748736f6dbcc2425e900a43074a16906b1e4e40a073d5d861bf", kill_on_drop: false }`
[INFO] [stdout] c9260512b0ce8748736f6dbcc2425e900a43074a16906b1e4e40a073d5d861bf