[INFO] cloning repository https://github.com/paul-hammant/merkle-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paul-hammant/merkle-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaul-hammant%2Fmerkle-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaul-hammant%2Fmerkle-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 046e888ea07c5555245e30a7bbd7cec0b6e24a18
[INFO] documenting paul-hammant/merkle-rust 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%2Fpaul-hammant%2Fmerkle-rust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paul-hammant/merkle-rust 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/paul-hammant/merkle-rust
[INFO] finished tweaking git repo https://github.com/paul-hammant/merkle-rust
[INFO] tweaked toml for git repo https://github.com/paul-hammant/merkle-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/paul-hammant/merkle-rust 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]     Updating crates.io index
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 6fd3d5b55d01f4f806d09c1e301d957c08cffb83f5e1caeaacb2241621537e7d
[INFO] running `Command { std: "docker" "start" "-a" "6fd3d5b55d01f4f806d09c1e301d957c08cffb83f5e1caeaacb2241621537e7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fd3d5b55d01f4f806d09c1e301d957c08cffb83f5e1caeaacb2241621537e7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fd3d5b55d01f4f806d09c1e301d957c08cffb83f5e1caeaacb2241621537e7d", kill_on_drop: false }`
[INFO] [stdout] 6fd3d5b55d01f4f806d09c1e301d957c08cffb83f5e1caeaacb2241621537e7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] ffdc63c26fedb92988c883765eef4d819727ab8a129ee8031d730250c7754619
[INFO] running `Command { std: "docker" "start" "-a" "ffdc63c26fedb92988c883765eef4d819727ab8a129ee8031d730250c7754619", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking try-lock v0.1.0
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking slab v0.1.3
[INFO] [stderr]     Checking bytes v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking sha1 v0.2.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]    Compiling parking_lot_core v0.6.1
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking walkdir v0.1.8
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking want v0.0.4
[INFO] [stderr]     Checking relay v0.1.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking filetime v0.1.12
[INFO] [stderr]     Checking inotify v0.3.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stdout] error[E0432]: unresolved imports `self::imp`, `crate::thread_parker::ThreadParker`, `crate::thread_parker::ThreadParker`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/parking_lot_core-0.6.1/src/parking_lot.rs:8:28
[INFO] [stdout]    |
[INFO] [stdout] 8  | use crate::thread_parker::{ThreadParker, ThreadParkerT, UnparkHandleT};
[INFO] [stdout]    |                            ^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/parking_lot_core-0.6.1/src/thread_parker/mod.rs:89:15
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub use self::imp::{thread_yield, ThreadParker, UnparkHandle};
[INFO] [stdout]    |               ^^^ could not find `imp` in `self`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/parking_lot_core-0.6.1/src/word_lock.rs:9:28
[INFO] [stdout]    |
[INFO] [stdout] 9  | use crate::thread_parker::{ThreadParker, ThreadParkerT, UnparkHandleT};
[INFO] [stdout]    |                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `__cfg_if_items` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/parking_lot_core-0.6.1/src/thread_parker/mod.rs:54:1
[INFO] [stdout]    |
[INFO] [stdout] 54 | / cfg_if! {
[INFO] [stdout] 55 | |     if #[cfg(all(has_sized_atomics, any(target_os = "linux", target_os = "android")))] {
[INFO] [stdout] 56 | |         #[path = "linux.rs"]
[INFO] [stdout] 57 | |         mod imp;
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |     }
[INFO] [stdout] 87 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `cfg_if` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[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 compile `parking_lot_core`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ffdc63c26fedb92988c883765eef4d819727ab8a129ee8031d730250c7754619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffdc63c26fedb92988c883765eef4d819727ab8a129ee8031d730250c7754619", kill_on_drop: false }`
[INFO] [stdout] ffdc63c26fedb92988c883765eef4d819727ab8a129ee8031d730250c7754619
