[INFO] cloning repository https://github.com/jkcclemens/paste
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jkcclemens/paste" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkcclemens%2Fpaste", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkcclemens%2Fpaste'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4896acbcd23d830fdce9ffa15e517861eb7e1ac
[INFO] documenting jkcclemens/paste against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkcclemens%2Fpaste" "/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/jkcclemens/paste on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jkcclemens/paste
[INFO] finished tweaking git repo https://github.com/jkcclemens/paste
[INFO] tweaked toml for git repo https://github.com/jkcclemens/paste written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jkcclemens/paste already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b8b8ddd4ef1abccf052267d3f21a0c8ccfdeef7e07039b0e550aeb06064d9af
[INFO] running `Command { std: "docker" "start" "-a" "1b8b8ddd4ef1abccf052267d3f21a0c8ccfdeef7e07039b0e550aeb06064d9af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b8b8ddd4ef1abccf052267d3f21a0c8ccfdeef7e07039b0e550aeb06064d9af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b8b8ddd4ef1abccf052267d3f21a0c8ccfdeef7e07039b0e550aeb06064d9af", kill_on_drop: false }`
[INFO] [stdout] 1b8b8ddd4ef1abccf052267d3f21a0c8ccfdeef7e07039b0e550aeb06064d9af
[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" "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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d36b96738856055873e2ffb17d43d5f7ae334bd27425cd6cf898e745cc6bd015
[INFO] running `Command { std: "docker" "start" "-a" "d36b96738856055873e2ffb17d43d5f7ae334bd27425cd6cf898e745cc6bd015", 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] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling lazy_static v1.4.0
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[INFO] [stderr]     Checking nodrop v0.1.14
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[INFO] [stderr]    Compiling ucd-trie v0.1.2
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[INFO] [stderr]    Compiling string_cache_shared v0.3.0
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[INFO] [stderr]     Checking regex-syntax v0.6.13
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[INFO] [stderr]     Checking unicode_categories v0.1.1
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[INFO] [stderr]  Documenting worker_delete_directory v0.1.0 (/opt/rustwide/workdir/workers/delete_directory)
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking lock_api v0.3.3
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[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
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[INFO] [stderr]    Compiling hashbrown v0.6.3 (https://github.com/rust-lang/hashbrown#6f5826ed)
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[INFO] [stderr]    Compiling unicode-bidi v0.3.4
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[INFO] [stderr]    Compiling bitflags v1.2.1
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[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking unic-char-property v0.7.0
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[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking generic-array v0.7.3
[INFO] [stderr]    Compiling unic-ucd-version v0.7.0
[INFO] [stderr]     Checking unic-langid-impl v0.7.2
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]     Checking pest v2.1.2
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling rocket_codegen v0.4.2
[INFO] [stderr]    Compiling rocket v0.4.2
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking fast_chemail v0.9.6
[INFO] [stderr]     Checking qrcode v0.11.2 (https://github.com/kennytm/qrcode-rust#c2c875f6)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lock_api-0.3.3/src/lib.rs:89:42
[INFO] [stdout]    |
[INFO] [stdout] 89 | #![cfg_attr(feature = "nightly", feature(const_fn))]
[INFO] [stdout]    |                                          ^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lock_api-0.3.3/src/lib.rs:89:34
[INFO] [stdout]    |
[INFO] [stdout] 89 | #![cfg_attr(feature = "nightly", feature(const_fn))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lock_api`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d36b96738856055873e2ffb17d43d5f7ae334bd27425cd6cf898e745cc6bd015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d36b96738856055873e2ffb17d43d5f7ae334bd27425cd6cf898e745cc6bd015", kill_on_drop: false }`
[INFO] [stdout] d36b96738856055873e2ffb17d43d5f7ae334bd27425cd6cf898e745cc6bd015
