[INFO] cloning repository https://github.com/kogai/sync-dir
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kogai/sync-dir" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkogai%2Fsync-dir", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkogai%2Fsync-dir'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b19f6a4c54c9ac07fb9db651befd1a9a45cc8f29
[INFO] documenting kogai/sync-dir against master#ef324565d071c6d7e2477a195648549e33d6a465 for pr-121659-bump-pulldown-cmark
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkogai%2Fsync-dir" "/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/kogai/sync-dir on toolchain ef324565d071c6d7e2477a195648549e33d6a465
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ef324565d071c6d7e2477a195648549e33d6a465" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/kogai/sync-dir
[INFO] finished tweaking git repo https://github.com/kogai/sync-dir
[INFO] tweaked toml for git repo https://github.com/kogai/sync-dir written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kogai/sync-dir 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" "+ef324565d071c6d7e2477a195648549e33d6a465" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] documenting kogai/sync-dir against try#223112bf1ca31911a6475910c77b36bfa127d5f8 for pr-121659-bump-pulldown-cmark
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkogai%2Fsync-dir" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kogai/sync-dir on toolchain 223112bf1ca31911a6475910c77b36bfa127d5f8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+223112bf1ca31911a6475910c77b36bfa127d5f8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/kogai/sync-dir
[INFO] finished tweaking git repo https://github.com/kogai/sync-dir
[INFO] tweaked toml for git repo https://github.com/kogai/sync-dir written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kogai/sync-dir 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" "+223112bf1ca31911a6475910c77b36bfa127d5f8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] documenting kogai/sync-dir against try#223112bf1ca31911a6475910c77b36bfa127d5f8 for pr-121659-bump-pulldown-cmark
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkogai%2Fsync-dir" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kogai/sync-dir on toolchain 223112bf1ca31911a6475910c77b36bfa127d5f8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+223112bf1ca31911a6475910c77b36bfa127d5f8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/kogai/sync-dir
[INFO] finished tweaking git repo https://github.com/kogai/sync-dir
[INFO] tweaked toml for git repo https://github.com/kogai/sync-dir written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kogai/sync-dir 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" "+223112bf1ca31911a6475910c77b36bfa127d5f8" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-value v0.5.2
[INFO] [stderr]   Downloaded log4rs-syslog v3.0.3
[INFO] [stderr]   Downloaded log4rs v0.8.0
[INFO] [stderr]   Downloaded serde_yaml v0.7.4
[INFO] [stderr]   Downloaded rustc_version v0.2.2
[INFO] [stderr]   Downloaded im v10.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+223112bf1ca31911a6475910c77b36bfa127d5f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7b2a6e2130e4f1ebb9f68d639bad9cff09b7902d8f0acb3a36a88d3e8dab4c3
[INFO] running `Command { std: "docker" "start" "-a" "d7b2a6e2130e4f1ebb9f68d639bad9cff09b7902d8f0acb3a36a88d3e8dab4c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7b2a6e2130e4f1ebb9f68d639bad9cff09b7902d8f0acb3a36a88d3e8dab4c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7b2a6e2130e4f1ebb9f68d639bad9cff09b7902d8f0acb3a36a88d3e8dab4c3", kill_on_drop: false }`
[INFO] [stdout] d7b2a6e2130e4f1ebb9f68d639bad9cff09b7902d8f0acb3a36a88d3e8dab4c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+223112bf1ca31911a6475910c77b36bfa127d5f8" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15a1c8ae366b4c9b9a257c82b56cd7e120df8407f0db957ac507b6d7b4e7f192
[INFO] running `Command { std: "docker" "start" "-a" "15a1c8ae366b4c9b9a257c82b56cd7e120df8407f0db957ac507b6d7b4e7f192", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking serde v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.3.6
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]    Compiling rustc_version v0.2.2
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]    Compiling libusb-sys v0.2.3
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking chrono v0.4.2
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling im v10.1.0
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking regex-syntax v0.5.3
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking bit-set v0.2.0
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking libusb v0.3.0
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]    Compiling serde_derive_internals v0.23.0
[INFO] [stderr]     Checking serde_yaml v0.7.4
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking serde-value v0.5.2
[INFO] [stderr]     Checking serde_json v1.0.13
[INFO] [stderr]    Compiling serde_derive v1.0.37
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking log4rs v0.8.0
[INFO] [stderr]     Checking log4rs-syslog v3.0.3
[INFO] [stderr]  Documenting sync-dir v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.37s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.13.1, traitobject v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/sync_dir/index.html
[INFO] running `Command { std: "docker" "inspect" "15a1c8ae366b4c9b9a257c82b56cd7e120df8407f0db957ac507b6d7b4e7f192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15a1c8ae366b4c9b9a257c82b56cd7e120df8407f0db957ac507b6d7b4e7f192", kill_on_drop: false }`
[INFO] [stdout] 15a1c8ae366b4c9b9a257c82b56cd7e120df8407f0db957ac507b6d7b4e7f192