[INFO] cloning repository https://github.com/nerosnm/oxbow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nerosnm/oxbow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnerosnm%2Foxbow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnerosnm%2Foxbow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60006c5cc81eae3db1d63c5141fe0cc44ab7a6bb
[INFO] testing nerosnm/oxbow against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnerosnm%2Foxbow" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nerosnm/oxbow 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] removed /workspace/builds/worker-7/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/nerosnm/oxbow
[INFO] finished tweaking git repo https://github.com/nerosnm/oxbow
[INFO] tweaked toml for git repo https://github.com/nerosnm/oxbow written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/nerosnm/oxbow already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded r2d2_sqlite v0.18.0
[INFO] [stderr]   Downloaded enum_dispatch v0.3.6
[INFO] [stderr]   Downloaded displaydoc v0.2.1
[INFO] [stderr]   Downloaded twitch-irc v2.2.0
[INFO] [stderr]   Downloaded twitch_api2 v0.5.0
[INFO] [stderr]   Downloaded tiny_http v0.6.3
[INFO] [stderr]   Downloaded oauth2 v4.0.0
[INFO] [stderr]   Downloaded twitch_oauth2 v0.5.0
[INFO] [stderr]   Downloaded spinning_top v0.2.3
[INFO] [stderr]   Downloaded curl v0.4.36
[INFO] [stderr]   Downloaded curl-sys v0.4.42+curl-7.76.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] c096d6d324e8b65bdbf32e5e2a7cf0e7891ed5b89441c3e62baf2a50c789b83f
[INFO] running `Command { std: "docker" "start" "-a" "c096d6d324e8b65bdbf32e5e2a7cf0e7891ed5b89441c3e62baf2a50c789b83f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c096d6d324e8b65bdbf32e5e2a7cf0e7891ed5b89441c3e62baf2a50c789b83f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c096d6d324e8b65bdbf32e5e2a7cf0e7891ed5b89441c3e62baf2a50c789b83f", kill_on_drop: false }`
[INFO] [stdout] c096d6d324e8b65bdbf32e5e2a7cf0e7891ed5b89441c3e62baf2a50c789b83f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 4a4c47eacb90ae50e4435f31e64a7b8f78b9b5e62bc94f2742b9d1d7f7c85f26
[INFO] running `Command { std: "docker" "start" "-a" "4a4c47eacb90ae50e4435f31e64a7b8f78b9b5e62bc94f2742b9d1d7f7c85f26", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-io v0.3.14
[INFO] [stderr]    Compiling fastrand v1.4.1
[INFO] [stderr]    Compiling const_fn v0.4.7
[INFO] [stderr]    Compiling cpufeatures v0.1.1
[INFO] [stderr]    Compiling curl v0.4.36
[INFO] [stderr]    Compiling isahc v0.9.14
[INFO] [stderr]    Compiling http-types v2.11.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling ascii v0.8.7
[INFO] [stderr]    Compiling chunked_transfer v0.3.1
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling os_str_bytes v2.4.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling curl-sys v0.4.42+curl-7.76.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling ahash v0.7.2
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling libsqlite3-sys v0.22.2
[INFO] [stderr]    Compiling twitch_oauth2 v0.5.0
[INFO] [stderr]    Compiling twitch_api2 v0.5.0
[INFO] [stderr]    Compiling sharded-slab v0.1.1
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling spinning_top v0.2.3
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling flume v0.9.2
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling cipher v0.2.5
[INFO] [stderr]    Compiling universal-hash v0.4.0
[INFO] [stderr]    Compiling crypto-mac v0.10.0
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.5
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling sluice v0.5.4
[INFO] [stderr]    Compiling sha2 v0.9.4
[INFO] [stderr]    Compiling aes-soft v0.6.4
[INFO] [stderr]    Compiling ctr v0.6.0
[INFO] [stderr]    Compiling polyval v0.4.5
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling hmac v0.10.1
[INFO] [stderr]    Compiling ghash v0.3.1
[INFO] [stderr]    Compiling hkdf v0.10.0
[INFO] [stderr]    Compiling aes v0.6.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling aes-gcm v0.8.0
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling hashlink v0.7.0
[INFO] [stderr]    Compiling rusqlite v0.25.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling displaydoc v0.2.1
[INFO] [stderr]    Compiling async-stream-impl v0.3.1
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling enum_dispatch v0.3.6
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling typed-builder v0.9.0
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.125/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=27d7516b214f0557 -C extra-filename=-27d7516b214f0557 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8ff1f8fbe76adf54.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-70a9d80307bde4de.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-86edcda68e83aa3f.rlib --extern proc_macro --cap-lints allow --cap-lints=warn --cfg underscore_consts` (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" "4a4c47eacb90ae50e4435f31e64a7b8f78b9b5e62bc94f2742b9d1d7f7c85f26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a4c47eacb90ae50e4435f31e64a7b8f78b9b5e62bc94f2742b9d1d7f7c85f26", kill_on_drop: false }`
[INFO] [stdout] 4a4c47eacb90ae50e4435f31e64a7b8f78b9b5e62bc94f2742b9d1d7f7c85f26