[INFO] cloning repository https://github.com/3to5thpower/9cc_in_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/3to5thpower/9cc_in_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3to5thpower%2F9cc_in_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F3to5thpower%2F9cc_in_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 309d57d205660cc6dfa2df514ecd1c6176f83c16
[INFO] documenting 3to5thpower/9cc_in_rust 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%2F3to5thpower%2F9cc_in_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/3to5thpower/9cc_in_rust 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/3to5thpower/9cc_in_rust
[INFO] finished tweaking git repo https://github.com/3to5thpower/9cc_in_rust
[INFO] tweaked toml for git repo https://github.com/3to5thpower/9cc_in_rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/3to5thpower/9cc_in_rust 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-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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2e350d935a917e4cdb213688cc251b227be132252b10681b687fe89614ae0cf
[INFO] running `Command { std: "docker" "start" "-a" "a2e350d935a917e4cdb213688cc251b227be132252b10681b687fe89614ae0cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2e350d935a917e4cdb213688cc251b227be132252b10681b687fe89614ae0cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2e350d935a917e4cdb213688cc251b227be132252b10681b687fe89614ae0cf", kill_on_drop: false }`
[INFO] [stdout] a2e350d935a917e4cdb213688cc251b227be132252b10681b687fe89614ae0cf
[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" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c73d842d31b2671f1b9afa8bc29faef318df9a7eb1b21ef0c3c3b42be6a6dc1
[INFO] running `Command { std: "docker" "start" "-a" "4c73d842d31b2671f1b9afa8bc29faef318df9a7eb1b21ef0c3c3b42be6a6dc1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]     Checking thiserror v1.0.19
[INFO] [stderr]  Documenting r9cc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.67s
[INFO] running `Command { std: "docker" "inspect" "4c73d842d31b2671f1b9afa8bc29faef318df9a7eb1b21ef0c3c3b42be6a6dc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c73d842d31b2671f1b9afa8bc29faef318df9a7eb1b21ef0c3c3b42be6a6dc1", kill_on_drop: false }`
[INFO] [stdout] 4c73d842d31b2671f1b9afa8bc29faef318df9a7eb1b21ef0c3c3b42be6a6dc1