[INFO] cloning repository https://github.com/cheme/cv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cheme/cv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcheme%2Fcv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcheme%2Fcv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af4b67e2aa5d9aef9c3ab8a48be8b0d8b7e056c0
[INFO] documenting cheme/cv 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%2Fcheme%2Fcv" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cheme/cv 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/cheme/cv
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/cheme/cv
[INFO] tweaked toml for git repo https://github.com/cheme/cv written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/cheme/cv 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 }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byteorder v1.2.1
[INFO] [stderr]   Downloaded num-traits v0.1.41
[INFO] [stderr]   Downloaded png v0.11.0
[INFO] [stderr]   Downloaded color_quant v1.0.0
[INFO] [stderr]   Downloaded gif v0.9.2
[INFO] [stderr]   Downloaded coco v0.1.1
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.13
[INFO] [stderr]   Downloaded adler32 v1.0.2
[INFO] [stderr]   Downloaded rand v0.3.18
[INFO] [stderr]   Downloaded rayon-core v1.3.0
[INFO] [stderr]   Downloaded either v1.4.0
[INFO] [stderr]   Downloaded num_cpus v1.7.0
[INFO] [stderr]   Downloaded deflate v0.7.17
[INFO] [stderr]   Downloaded num-rational v0.1.40
[INFO] [stderr]   Downloaded bitflags v0.5.0
[INFO] [stderr]   Downloaded skeptic v0.9.0
[INFO] [stderr]   Downloaded lz4-sys v1.8.0
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.2.0
[INFO] [stderr]   Downloaded image v0.18.0
[INFO] [stderr]   Downloaded lz4 v1.22.0
[INFO] [stderr]   Downloaded hex v0.2.0
[INFO] [stderr]   Downloaded getopts v0.2.15
[INFO] [stderr]   Downloaded libc v0.2.34
[INFO] [stderr]   Downloaded scoped_threadpool v0.1.8
[INFO] [stderr]   Downloaded base64 v0.8.0
[INFO] [stderr]   Downloaded inflate v0.3.3
[INFO] [stderr]   Downloaded pulldown-cmark v0.0.8
[INFO] [stderr]   Downloaded fuchsia-zircon v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] bd8b39b7f5b197374a4d0288dea3e473100a3e2681b28a9212e2be55299e57bc
[INFO] running `Command { std: "docker" "start" "-a" "bd8b39b7f5b197374a4d0288dea3e473100a3e2681b28a9212e2be55299e57bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd8b39b7f5b197374a4d0288dea3e473100a3e2681b28a9212e2be55299e57bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd8b39b7f5b197374a4d0288dea3e473100a3e2681b28a9212e2be55299e57bc", kill_on_drop: false }`
[INFO] [stdout] bd8b39b7f5b197374a4d0288dea3e473100a3e2681b28a9212e2be55299e57bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] b33d77116cb6a893d189763f2bef8fd2e00b3bbc9b9df9c5013b61e3dc625810
[INFO] running `Command { std: "docker" "start" "-a" "b33d77116cb6a893d189763f2bef8fd2e00b3bbc9b9df9c5013b61e3dc625810", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36 (https://github.com/cheme/rust-crypto.git#15e12c3a)
[INFO] [stderr]     Checking base64 v0.8.0
[INFO] [stderr]     Checking compress v0.1.2 (https://github.com/cheme/rust-compress.git#5c5c4640)
[INFO] [stderr]  Documenting cv v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(link_args)]
[INFO] [stdout]   |            ^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of using `-C link-arg=ARG` on command line, which is available from cargo build scripts with `cargo:rustc-link-arg` now
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `cv`
[INFO] [stdout] error[E0432]: unresolved import `std::heap`
[INFO] [stdout]   --> src/main.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::heap::{Alloc, Heap, Layout};
[INFO] [stdout]    |          ^^^^ could not find `heap` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(allocator_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(link_args)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name cv src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern compress=/opt/rustwide/target/debug/deps/libcompress-49072626ec5b93f3.rmeta --extern crypto=/opt/rustwide/target/debug/deps/libcrypto-7af9b379f272cfe5.rmeta --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b33d77116cb6a893d189763f2bef8fd2e00b3bbc9b9df9c5013b61e3dc625810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b33d77116cb6a893d189763f2bef8fd2e00b3bbc9b9df9c5013b61e3dc625810", kill_on_drop: false }`
[INFO] [stdout] b33d77116cb6a893d189763f2bef8fd2e00b3bbc9b9df9c5013b61e3dc625810
