[INFO] cloning repository https://github.com/exphp-share/static-diagnostic-halp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/exphp-share/static-diagnostic-halp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexphp-share%2Fstatic-diagnostic-halp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexphp-share%2Fstatic-diagnostic-halp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6dc9a0d88f8208616613b09b9295e31066b3ddaa
[INFO] documenting exphp-share/static-diagnostic-halp 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%2Fexphp-share%2Fstatic-diagnostic-halp" "/workspace/builds/worker-43/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-43/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/exphp-share/static-diagnostic-halp 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/exphp-share/static-diagnostic-halp
[INFO] finished tweaking git repo https://github.com/exphp-share/static-diagnostic-halp
[INFO] tweaked toml for git repo https://github.com/exphp-share/static-diagnostic-halp written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] crate git repo https://github.com/exphp-share/static-diagnostic-halp 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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] 521316b9d50f69fabd7dc0486aca82bddc3ad54165ce7c7da2d97aded4d4651d
[INFO] running `Command { std: "docker" "start" "-a" "521316b9d50f69fabd7dc0486aca82bddc3ad54165ce7c7da2d97aded4d4651d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "521316b9d50f69fabd7dc0486aca82bddc3ad54165ce7c7da2d97aded4d4651d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "521316b9d50f69fabd7dc0486aca82bddc3ad54165ce7c7da2d97aded4d4651d", kill_on_drop: false }`
[INFO] [stdout] 521316b9d50f69fabd7dc0486aca82bddc3ad54165ce7c7da2d97aded4d4651d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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] e23e667e3fcaed4ad189ea4406b8b2045990bcd4abf015391b78a91d70a927bb
[INFO] running `Command { std: "docker" "start" "-a" "e23e667e3fcaed4ad189ea4406b8b2045990bcd4abf015391b78a91d70a927bb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling mac-impl v0.1.0 (/opt/rustwide/workdir/mac-impl)
[INFO] [stderr]     Checking mac v0.1.0 (/opt/rustwide/workdir/mac)
[INFO] [stderr]  Documenting halp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0080]: evaluation of constant value failed
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[mac::attr]
[INFO] [stdout]   | ^^^^^^^^^^^^ attempt to compute `0_usize - 1_usize`, which would overflow
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `const_assert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `halp`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0080`.
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name halp 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 mac=/opt/rustwide/target/debug/deps/libmac-c203dab7b4d59026.rmeta --extern mac_impl=/opt/rustwide/target/debug/deps/libmac_impl-1a78486e4ab8cb64.so --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e23e667e3fcaed4ad189ea4406b8b2045990bcd4abf015391b78a91d70a927bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e23e667e3fcaed4ad189ea4406b8b2045990bcd4abf015391b78a91d70a927bb", kill_on_drop: false }`
[INFO] [stdout] e23e667e3fcaed4ad189ea4406b8b2045990bcd4abf015391b78a91d70a927bb
