[INFO] cloning repository https://github.com/sungyeonkwon/timebar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sungyeonkwon/timebar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsungyeonkwon%2Ftimebar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsungyeonkwon%2Ftimebar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a73cbd3317a50785cce527f182ae761ce4f7daf0
[INFO] documenting sungyeonkwon/timebar against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsungyeonkwon%2Ftimebar" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sungyeonkwon/timebar on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sungyeonkwon/timebar
[INFO] finished tweaking git repo https://github.com/sungyeonkwon/timebar
[INFO] tweaked toml for git repo https://github.com/sungyeonkwon/timebar written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/sungyeonkwon/timebar already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8afdc69c2dcb2e85caef8d28aacf85368db9441289c0bb2e9eecaf10cdc6e77e
[INFO] running `Command { std: "docker" "start" "-a" "8afdc69c2dcb2e85caef8d28aacf85368db9441289c0bb2e9eecaf10cdc6e77e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8afdc69c2dcb2e85caef8d28aacf85368db9441289c0bb2e9eecaf10cdc6e77e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8afdc69c2dcb2e85caef8d28aacf85368db9441289c0bb2e9eecaf10cdc6e77e", kill_on_drop: false }`
[INFO] [stdout] 8afdc69c2dcb2e85caef8d28aacf85368db9441289c0bb2e9eecaf10cdc6e77e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63fc87d75ee35475b773952a94888ea9224c2dc770e4e73cb550ebcc5319e065
[INFO] running `Command { std: "docker" "start" "-a" "63fc87d75ee35475b773952a94888ea9224c2dc770e4e73cb550ebcc5319e065", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking preferences v1.1.0
[INFO] [stderr]  Documenting timebar v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.96s
[INFO] running `Command { std: "docker" "inspect" "63fc87d75ee35475b773952a94888ea9224c2dc770e4e73cb550ebcc5319e065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63fc87d75ee35475b773952a94888ea9224c2dc770e4e73cb550ebcc5319e065", kill_on_drop: false }`
[INFO] [stdout] 63fc87d75ee35475b773952a94888ea9224c2dc770e4e73cb550ebcc5319e065
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] c16cca3cf801a7057c273940bfad570f6f34621543acbb100b34eb77bb1cd9a6
[INFO] running `Command { std: "docker" "start" "-a" "c16cca3cf801a7057c273940bfad570f6f34621543acbb100b34eb77bb1cd9a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking preferences v1.1.0
[INFO] [stderr]  Documenting timebar v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.30s
[INFO] running `Command { std: "docker" "inspect" "c16cca3cf801a7057c273940bfad570f6f34621543acbb100b34eb77bb1cd9a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c16cca3cf801a7057c273940bfad570f6f34621543acbb100b34eb77bb1cd9a6", kill_on_drop: false }`
[INFO] [stdout] c16cca3cf801a7057c273940bfad570f6f34621543acbb100b34eb77bb1cd9a6