[INFO] fetching crate cargo-crev 0.21.1...
[INFO] documenting cargo-crev-0.21.1 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate cargo-crev 0.21.1 into /workspace/builds/worker-110/source
[INFO] validating manifest of crates.io crate cargo-crev 0.21.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-crev 0.21.1
[INFO] finished tweaking crates.io crate cargo-crev 0.21.1
[INFO] tweaked toml for crates.io crate cargo-crev 0.21.1 written to /workspace/builds/worker-110/source/Cargo.toml
[INFO] crate crates.io crate cargo-crev 0.21.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ae4ac25e2d10919f97480a8f9c81edac13540cf6ee1c9827666adf181fa0040
[INFO] running `Command { std: "docker" "start" "-a" "2ae4ac25e2d10919f97480a8f9c81edac13540cf6ee1c9827666adf181fa0040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ae4ac25e2d10919f97480a8f9c81edac13540cf6ee1c9827666adf181fa0040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ae4ac25e2d10919f97480a8f9c81edac13540cf6ee1c9827666adf181fa0040", kill_on_drop: false }`
[INFO] [stdout] 2ae4ac25e2d10919f97480a8f9c81edac13540cf6ee1c9827666adf181fa0040
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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" "RUSTDOCFLAGS=--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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc7d67692ca2e698774805eb98313d117857583bdd062f726a2f4bfb0d0fa936
[INFO] running `Command { std: "docker" "start" "-a" "fc7d67692ca2e698774805eb98313d117857583bdd062f726a2f4bfb0d0fa936", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `cargo-crev` in package `cargo-crev v0.21.1 (/opt/rustwide/workdir)` has the same output filename as the lib target `cargo_crev` in package `cargo-crev v0.21.1 (/opt/rustwide/workdir)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/doc/cargo_crev/index.html
[INFO] [stderr] The output filenames should be unique.
[INFO] [stderr] This is a known bug where multiple crates with the same name use
[INFO] [stderr] the same path; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] If this looks unexpected, it may be a bug in Cargo. Please file a bug report at
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/ with as much information as you
[INFO] [stderr] can provide.
[INFO] [stderr] cargo 1.55.0-beta (1f76a218b 2021-07-29) running on `x86_64-unknown-linux-gnu` target `x86_64-unknown-linux-gnu`
[INFO] [stderr] First unit: Unit { pkg: Package { id: PackageId { name: "cargo-crev", version: "0.21.1", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { name: "cargo-crev", doc: true, ..: with_path("/opt/rustwide/workdir/src/main.rs", Edition2018) }, profile: Profile { name: "doc", debuginfo: Some(2), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Doc { deps: false }, features: ["default"], is_std: false, dep_hash: 2028747479919337722 }
[INFO] [stderr] Second unit: Unit { pkg: Package { id: PackageId { name: "cargo-crev", version: "0.21.1", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { ..: lib_target("cargo_crev", ["lib"], "/opt/rustwide/workdir/src/lib.rs", Edition2018) }, profile: Profile { name: "doc", debuginfo: Some(2), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Doc { deps: false }, features: ["default"], is_std: false, dep_hash: 8759586946067988489 }
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]     Checking signature v1.3.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]    Compiling deunicode v0.4.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling humansize v1.1.1
[INFO] [stderr]     Checking rprompt v1.0.5
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking default v0.1.2
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking resiter v0.4.0
[INFO] [stderr]     Checking bytesize v1.1.0
[INFO] [stderr]     Checking fixedbitset v0.4.0
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking semver-parser v0.10.2
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking memmap2 v0.3.0
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking rpassword v5.0.1
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling unic-char-property v0.9.0
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking grep-matcher v0.1.5
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking dbl v0.3.1
[INFO] [stderr]     Checking aead v0.4.2
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]    Compiling chrono-tz v0.5.3
[INFO] [stderr]    Compiling slug v0.1.4
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]     Checking ed25519 v1.2.0
[INFO] [stderr]     Checking petgraph v0.6.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]     Checking directories-next v2.0.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking aes v0.7.4
[INFO] [stderr]     Checking ctr v0.8.0
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking tar v0.4.35
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]    Compiling unic-ucd-segment v0.9.0
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking cmac v0.6.0
[INFO] [stderr]     Checking blake2 v0.9.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking grep-searcher v0.1.8
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking rust-argon2 v0.8.3
[INFO] [stderr]     Checking im-rc v15.0.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling unic-segment v0.9.0
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]    Compiling openssl-src v111.15.0+1.1.1k
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling curl-sys v0.4.45+curl-7.78.0
[INFO] [stderr]    Compiling libgit2-sys v0.12.21+1.1.0
[INFO] [stderr]    Compiling globwalk v0.8.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]    Compiling cargo v0.55.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling typed-builder v0.9.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking curve25519-dalek v3.1.0
[INFO] [stderr]     Checking aes-siv v0.6.2
[INFO] [stderr]     Checking time-macros v0.1.1
[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-1.0.127/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=6daa1388473563d1 -C extra-filename=-6daa1388473563d1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-842c01cbc6d4eb4a.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-0dd32b08acf7cc97.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-a9449e3dd778eb47.rlib --extern proc_macro --cap-lints allow --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" "fc7d67692ca2e698774805eb98313d117857583bdd062f726a2f4bfb0d0fa936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc7d67692ca2e698774805eb98313d117857583bdd062f726a2f4bfb0d0fa936", kill_on_drop: false }`
[INFO] [stdout] fc7d67692ca2e698774805eb98313d117857583bdd062f726a2f4bfb0d0fa936
