[INFO] cloning repository https://github.com/ThomasColliers/mtmigrate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ThomasColliers/mtmigrate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomasColliers%2Fmtmigrate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomasColliers%2Fmtmigrate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2013f5f38156705c3cb63ed7f0f61a25ce49af76
[INFO] documenting ThomasColliers/mtmigrate 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%2FThomasColliers%2Fmtmigrate" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ThomasColliers/mtmigrate 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/ThomasColliers/mtmigrate
[INFO] finished tweaking git repo https://github.com/ThomasColliers/mtmigrate
[INFO] tweaked toml for git repo https://github.com/ThomasColliers/mtmigrate written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/ThomasColliers/mtmigrate 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 arrayref v0.3.4
[INFO] [stderr]   Downloaded serde_json v0.9.10
[INFO] [stderr]   Downloaded crossbeam-epoch v0.3.0
[INFO] [stderr]   Downloaded libc v0.2.39
[INFO] [stderr]   Downloaded serde v0.9.15
[INFO] [stderr]   Downloaded preferences v1.1.0
[INFO] [stderr]   Downloaded atty v0.2.8
[INFO] [stderr]   Downloaded app_dirs v1.1.1
[INFO] [stderr]   Downloaded digest v0.7.2
[INFO] [stderr]   Downloaded rayon-core v1.4.0
[INFO] [stderr]   Downloaded rayon v1.0.1
[INFO] [stderr]   Downloaded clap v2.31.1
[INFO] [stderr]   Downloaded num-iter v0.1.35
[INFO] [stderr]   Downloaded num-integer v0.1.36
[INFO] [stderr]   Downloaded crossbeam v0.3.2
[INFO] [stderr]   Downloaded rustc-demangle v0.1.7
[INFO] [stderr]   Downloaded error-chain v0.11.0
[INFO] [stderr]   Downloaded chrono v0.2.25
[INFO] [stderr]   Downloaded cc v1.0.6
[INFO] [stderr]   Downloaded num-bigint v0.1.43
[INFO] [stderr]   Downloaded num-traits v0.2.1
[INFO] [stderr]   Downloaded num-complex v0.1.43
[INFO] [stderr]   Downloaded rust-crypto v0.2.36
[INFO] [stderr]   Downloaded bip_bencode v0.4.4
[INFO] [stderr]   Downloaded bip_util v0.5.0
[INFO] [stderr]   Downloaded bip_metainfo v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] fa39d9358a8a95844178e799dc6c3a5b2372640993691f076e69eff48f9775e0
[INFO] running `Command { std: "docker" "start" "-a" "fa39d9358a8a95844178e799dc6c3a5b2372640993691f076e69eff48f9775e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa39d9358a8a95844178e799dc6c3a5b2372640993691f076e69eff48f9775e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa39d9358a8a95844178e799dc6c3a5b2372640993691f076e69eff48f9775e0", kill_on_drop: false }`
[INFO] [stdout] fa39d9358a8a95844178e799dc6c3a5b2372640993691f076e69eff48f9775e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 08b1885d020e54c572c467eeed30cde50993b68bf68cbd3bcecd67ee4aeba986
[INFO] running `Command { std: "docker" "start" "-a" "08b1885d020e54c572c467eeed30cde50993b68bf68cbd3bcecd67ee4aeba986", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking num-traits v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling cc v1.0.6
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking rustc-demangle v0.1.7
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]     Checking same-file v1.0.2
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking xdg v2.1.0
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking arrayref v0.3.4
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking walkdir v2.1.4
[INFO] [stderr]     Checking app_dirs v1.1.1
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking crossbeam-epoch v0.3.0
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking clap v2.31.1
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking digest v0.7.2
[INFO] [stderr]     Checking sha-1 v0.7.0
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking preferences v1.1.0
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking bip_util v0.5.0
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking bip_bencode v0.4.4
[INFO] [stderr]     Checking bip_metainfo v0.12.0
[INFO] [stderr]  Documenting mtmigrate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.00s
[INFO] running `Command { std: "docker" "inspect" "08b1885d020e54c572c467eeed30cde50993b68bf68cbd3bcecd67ee4aeba986", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08b1885d020e54c572c467eeed30cde50993b68bf68cbd3bcecd67ee4aeba986", kill_on_drop: false }`
[INFO] [stdout] 08b1885d020e54c572c467eeed30cde50993b68bf68cbd3bcecd67ee4aeba986