[INFO] cloning repository https://github.com/shimekukuri/backup_v0
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shimekukuri/backup_v0" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshimekukuri%2Fbackup_v0", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshimekukuri%2Fbackup_v0'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ddbb246bdae843961aa28ef6d27d4c99ef8f4589
[INFO] documenting shimekukuri/backup_v0 against 1.86.0 for beta-1.87-rustdoc-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshimekukuri%2Fbackup_v0" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shimekukuri/backup_v0 on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shimekukuri/backup_v0
[INFO] finished tweaking git repo https://github.com/shimekukuri/backup_v0
[INFO] tweaked toml for git repo https://github.com/shimekukuri/backup_v0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/shimekukuri/backup_v0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded opaque-debug v0.3.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.3
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.16
[INFO] [stderr]   Downloaded memoffset v0.9.0
[INFO] [stderr]   Downloaded cpufeatures v0.2.9
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.15
[INFO] [stderr]   Downloaded rayon-core v1.12.0
[INFO] [stderr]   Downloaded rayon v1.8.0
[INFO] [stderr]   Downloaded libc v0.2.148
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15d13d15e541cbf8fd3ebd672d2f3ed163b215cfaa5e8a9d1b2727b47e59a8c5
[INFO] running `Command { std: "docker" "start" "-a" "15d13d15e541cbf8fd3ebd672d2f3ed163b215cfaa5e8a9d1b2727b47e59a8c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15d13d15e541cbf8fd3ebd672d2f3ed163b215cfaa5e8a9d1b2727b47e59a8c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15d13d15e541cbf8fd3ebd672d2f3ed163b215cfaa5e8a9d1b2727b47e59a8c5", kill_on_drop: false }`
[INFO] [stdout] 15d13d15e541cbf8fd3ebd672d2f3ed163b215cfaa5e8a9d1b2727b47e59a8c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e5c0744aa3279e740876919e777d9e9400181933eda156ecb6ef28c90e5f88f
[INFO] running `Command { std: "docker" "start" "-a" "8e5c0744aa3279e740876919e777d9e9400181933eda156ecb6ef28c90e5f88f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]  Documenting backup_v0 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.19s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/backup_v0/index.html
[INFO] running `Command { std: "docker" "inspect" "8e5c0744aa3279e740876919e777d9e9400181933eda156ecb6ef28c90e5f88f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e5c0744aa3279e740876919e777d9e9400181933eda156ecb6ef28c90e5f88f", kill_on_drop: false }`
[INFO] [stdout] 8e5c0744aa3279e740876919e777d9e9400181933eda156ecb6ef28c90e5f88f