[INFO] cloning repository https://github.com/TheSilvus/bread
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheSilvus/bread" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheSilvus%2Fbread", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheSilvus%2Fbread'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 950294c40436e9c4dd2e9509f6eaba17305d025a
[INFO] documenting TheSilvus/bread against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheSilvus%2Fbread" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheSilvus/bread 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 git repo https://github.com/TheSilvus/bread
[INFO] finished tweaking git repo https://github.com/TheSilvus/bread
[INFO] tweaked toml for git repo https://github.com/TheSilvus/bread written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/TheSilvus/bread 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]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.24
[INFO] [stderr]   Downloaded rayon v1.5.0
[INFO] [stderr]   Downloaded num-complex v0.3.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.3
[INFO] [stderr]   Downloaded png v0.16.8
[INFO] [stderr]   Downloaded color_quant v1.1.0
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.1
[INFO] [stderr]   Downloaded either v1.6.1
[INFO] [stderr]   Downloaded palette_derive v0.5.0
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded getopts v0.2.21
[INFO] [stderr]   Downloaded byteorder v1.4.2
[INFO] [stderr]   Downloaded rand_distr v0.4.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.18
[INFO] [stderr]   Downloaded adler32 v1.2.0
[INFO] [stderr]   Downloaded memoffset v0.6.1
[INFO] [stderr]   Downloaded clt v0.0.6
[INFO] [stderr]   Downloaded weezl v0.1.4
[INFO] [stderr]   Downloaded rand_hc v0.3.0
[INFO] [stderr]   Downloaded syn v1.0.60
[INFO] [stderr]   Downloaded bytemuck v1.5.1
[INFO] [stderr]   Downloaded remove_dir_all v0.5.3
[INFO] [stderr]   Downloaded image v0.23.13
[INFO] [stderr]   Downloaded num-rational v0.3.2
[INFO] [stderr]   Downloaded num-iter v0.1.42
[INFO] [stderr]   Downloaded phf v0.8.0
[INFO] [stderr]   Downloaded siphasher v0.3.3
[INFO] [stderr]   Downloaded rand_chacha v0.3.0
[INFO] [stderr]   Downloaded rand v0.8.3
[INFO] [stderr]   Downloaded tiff v0.6.1
[INFO] [stderr]   Downloaded num-bigint v0.3.1
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.3
[INFO] [stderr]   Downloaded crossbeam v0.8.0
[INFO] [stderr]   Downloaded gif v0.11.1
[INFO] [stderr]   Downloaded rayon-core v1.9.0
[INFO] [stderr]   Downloaded num v0.3.1
[INFO] [stderr]   Downloaded wasi v0.10.2+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded phf_generator v0.8.0
[INFO] [stderr]   Downloaded libc v0.2.86
[INFO] [stderr]   Downloaded phf_codegen v0.8.0
[INFO] [stderr]   Downloaded phf_shared v0.8.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.0
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.22
[INFO] [stderr]   Downloaded palette v0.5.0
[INFO] [stderr]   Downloaded getrandom v0.2.2
[INFO] [stderr]   Downloaded rand_core v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 54a0cfdd1b7b2803515e9e2a016cfd7f3fd6ab3a841562f104fff9e817fdd500
[INFO] running `Command { std: "docker" "start" "-a" "54a0cfdd1b7b2803515e9e2a016cfd7f3fd6ab3a841562f104fff9e817fdd500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54a0cfdd1b7b2803515e9e2a016cfd7f3fd6ab3a841562f104fff9e817fdd500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54a0cfdd1b7b2803515e9e2a016cfd7f3fd6ab3a841562f104fff9e817fdd500", kill_on_drop: false }`
[INFO] [stdout] 54a0cfdd1b7b2803515e9e2a016cfd7f3fd6ab3a841562f104fff9e817fdd500
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] acca492c21e857a02f88d9fd1de22e1ab29eb1d22f669e9e708f93055a2910c3
[INFO] running `Command { std: "docker" "start" "-a" "acca492c21e857a02f88d9fd1de22e1ab29eb1d22f669e9e708f93055a2910c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking clt v0.0.6
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-queue v0.3.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking crossbeam v0.8.0
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking rand_distr v0.4.0
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking num-bigint v0.3.1
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]     Checking num-rational v0.3.2
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.13
[INFO] [stderr]     Checking bread v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting bread v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/generate/generate.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(destructuring_assignment)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `bread`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name generate src/generate/generate.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern bread=/opt/rustwide/target/debug/deps/libbread-7c8facb7aaea35b2.rmeta --extern clt=/opt/rustwide/target/debug/deps/libclt-22b049e1e111543f.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-bd92119ed9071231.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-df34fb3ce4562223.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-60a0401718e5aa83.rmeta --extern palette=/opt/rustwide/target/debug/deps/libpalette-a5617d25cfe013ec.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-e99e2beaaf55031d.rmeta --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-5b99b58f300158ec.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "acca492c21e857a02f88d9fd1de22e1ab29eb1d22f669e9e708f93055a2910c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acca492c21e857a02f88d9fd1de22e1ab29eb1d22f669e9e708f93055a2910c3", kill_on_drop: false }`
[INFO] [stdout] acca492c21e857a02f88d9fd1de22e1ab29eb1d22f669e9e708f93055a2910c3
