[INFO] crate pcp 0.2.0 is already in cache
[INFO] documenting pcp-0.2.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate pcp 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate pcp 0.2.0 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pcp 0.2.0
[INFO] finished tweaking crates.io crate pcp 0.2.0
[INFO] tweaked toml for crates.io crate pcp 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--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-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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a71884283c7245bad5eb4bc323828346cd5caeed80e036ea50e325cc03d360e2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a71884283c7245bad5eb4bc323828346cd5caeed80e036ea50e325cc03d360e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a71884283c7245bad5eb4bc323828346cd5caeed80e036ea50e325cc03d360e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a71884283c7245bad5eb4bc323828346cd5caeed80e036ea50e325cc03d360e2", kill_on_drop: false }`
[INFO] [stdout] a71884283c7245bad5eb4bc323828346cd5caeed80e036ea50e325cc03d360e2
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df6be4fcd2062f3076765b8ecb09dd7ebbdc7641f16c912c6adef6699e788241
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "df6be4fcd2062f3076765b8ecb09dd7ebbdc7641f16c912c6adef6699e788241", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking void v0.0.5
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking vec_map v0.4.0
[INFO] [stderr]     Checking ansi_term v0.7.5
[INFO] [stderr]     Checking strsim v0.4.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking unreachable v0.0.2
[INFO] [stderr]     Checking tabwriter v0.1.25
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking clap v1.5.6
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking ctrlc v1.1.1
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking quickersort v1.0.1
[INFO] [stderr]  Documenting pcp v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `alloc::heap`
[INFO] [stdout]  --> src/chunk_vec.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use alloc::{self, heap};
[INFO] [stdout]   |                   ^^^^ no `heap` in the root
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `pcp`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name pcp 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 clap=/opt/rustwide/target/debug/deps/libclap-9651b655e4537ce8.rmeta --extern ctrlc=/opt/rustwide/target/debug/deps/libctrlc-70abb49b57a50207.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-d2b3585c96b24d02.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-cd5caa33553c0ea0.rmeta --extern quickersort=/opt/rustwide/target/debug/deps/libquickersort-1b10f27d4b54da7d.rmeta --extern scoped_threadpool=/opt/rustwide/target/debug/deps/libscoped_threadpool-6afa5a4893a8ee08.rmeta --extern tabwriter=/opt/rustwide/target/debug/deps/libtabwriter-f09221d5c0d7c668.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-e7be7863b5f9349e.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "df6be4fcd2062f3076765b8ecb09dd7ebbdc7641f16c912c6adef6699e788241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df6be4fcd2062f3076765b8ecb09dd7ebbdc7641f16c912c6adef6699e788241", kill_on_drop: false }`
[INFO] [stdout] df6be4fcd2062f3076765b8ecb09dd7ebbdc7641f16c912c6adef6699e788241