[INFO] cloning repository https://github.com/suvash/alpa
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/suvash/alpa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuvash%2Falpa", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuvash%2Falpa'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ab14dd5f19716d1858398a1ccdb37581596163f
[INFO] documenting suvash/alpa against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuvash%2Falpa" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/suvash/alpa on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/suvash/alpa
[INFO] finished tweaking git repo https://github.com/suvash/alpa
[INFO] tweaked toml for git repo https://github.com/suvash/alpa written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/suvash/alpa already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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 rustyline v8.0.0
[INFO] [stderr]   Downloaded syn v1.0.70
[INFO] [stderr]   Downloaded redox_syscall v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65b23ed081189cdc340f4f3407b48b6b95ed08c6369e1063cc47d71dac3299ac
[INFO] running `Command { std: "docker" "start" "-a" "65b23ed081189cdc340f4f3407b48b6b95ed08c6369e1063cc47d71dac3299ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65b23ed081189cdc340f4f3407b48b6b95ed08c6369e1063cc47d71dac3299ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65b23ed081189cdc340f4f3407b48b6b95ed08c6369e1063cc47d71dac3299ac", kill_on_drop: false }`
[INFO] [stdout] 65b23ed081189cdc340f4f3407b48b6b95ed08c6369e1063cc47d71dac3299ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a3753616bf7b6b0d8e4341f3af0a9dee862c19e88647229bb7e0041c5424044
[INFO] running `Command { std: "docker" "start" "-a" "6a3753616bf7b6b0d8e4341f3af0a9dee862c19e88647229bb7e0041c5424044", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking rustyline v8.0.0
[INFO] [stderr]  Documenting alpa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.51s
[INFO] running `Command { std: "docker" "inspect" "6a3753616bf7b6b0d8e4341f3af0a9dee862c19e88647229bb7e0041c5424044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a3753616bf7b6b0d8e4341f3af0a9dee862c19e88647229bb7e0041c5424044", kill_on_drop: false }`
[INFO] [stdout] 6a3753616bf7b6b0d8e4341f3af0a9dee862c19e88647229bb7e0041c5424044
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] a034dc02e6ad13741aea5c5d0d5083892abcd224d016c826cba56cdf3280857b
[INFO] running `Command { std: "docker" "start" "-a" "a034dc02e6ad13741aea5c5d0d5083892abcd224d016c826cba56cdf3280857b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking rustyline v8.0.0
[INFO] [stderr]  Documenting alpa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.56s
[INFO] running `Command { std: "docker" "inspect" "a034dc02e6ad13741aea5c5d0d5083892abcd224d016c826cba56cdf3280857b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a034dc02e6ad13741aea5c5d0d5083892abcd224d016c826cba56cdf3280857b", kill_on_drop: false }`
[INFO] [stdout] a034dc02e6ad13741aea5c5d0d5083892abcd224d016c826cba56cdf3280857b