[INFO] cloning repository https://github.com/Mattsi-Jansky/rust-restore-ip-addresses
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mattsi-Jansky/rust-restore-ip-addresses" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMattsi-Jansky%2Frust-restore-ip-addresses", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMattsi-Jansky%2Frust-restore-ip-addresses'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d4c7215e6408ea8b1ce3af9d8c4c7c981bccf38
[INFO] documenting Mattsi-Jansky/rust-restore-ip-addresses against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMattsi-Jansky%2Frust-restore-ip-addresses" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Mattsi-Jansky/rust-restore-ip-addresses
[INFO] finished tweaking git repo https://github.com/Mattsi-Jansky/rust-restore-ip-addresses
[INFO] tweaked toml for git repo https://github.com/Mattsi-Jansky/rust-restore-ip-addresses written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Mattsi-Jansky/rust-restore-ip-addresses on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Mattsi-Jansky/rust-restore-ip-addresses 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" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "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
[INFO] documenting Mattsi-Jansky/rust-restore-ip-addresses against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMattsi-Jansky%2Frust-restore-ip-addresses" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Mattsi-Jansky/rust-restore-ip-addresses
[INFO] finished tweaking git repo https://github.com/Mattsi-Jansky/rust-restore-ip-addresses
[INFO] tweaked toml for git repo https://github.com/Mattsi-Jansky/rust-restore-ip-addresses written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Mattsi-Jansky/rust-restore-ip-addresses on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Mattsi-Jansky/rust-restore-ip-addresses 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" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "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 test-case-macros v2.2.1
[INFO] [stderr]   Downloaded test-case v2.2.1
[INFO] [stderr]   Downloaded syn v1.0.100
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 933d8469b9c5882043ad68b09e4f3bf6114686edc10bb2f44f55e373a5bdea8b
[INFO] running `Command { std: "docker" "start" "-a" "933d8469b9c5882043ad68b09e4f3bf6114686edc10bb2f44f55e373a5bdea8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "933d8469b9c5882043ad68b09e4f3bf6114686edc10bb2f44f55e373a5bdea8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "933d8469b9c5882043ad68b09e4f3bf6114686edc10bb2f44f55e373a5bdea8b", kill_on_drop: false }`
[INFO] [stdout] 933d8469b9c5882043ad68b09e4f3bf6114686edc10bb2f44f55e373a5bdea8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ae633700d2e7c5bfa0992e1f9e4da9c0bd79044967157c440355a1fd14ff708
[INFO] running `Command { std: "docker" "start" "-a" "7ae633700d2e7c5bfa0992e1f9e4da9c0bd79044967157c440355a1fd14ff708", kill_on_drop: false }`
[INFO] [stderr]  Documenting restore-ip-address v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/lib.rs:34:37
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let next_char = &s.as_str()[(current_index..current_index + 1)];
[INFO] [stdout]    |                                     ^                                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 34 -         let next_char = &s.as_str()[(current_index..current_index + 1)];
[INFO] [stdout] 34 +         let next_char = &s.as_str()[current_index..current_index + 1 ];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/restore_ip_address/index.html
[INFO] running `Command { std: "docker" "inspect" "7ae633700d2e7c5bfa0992e1f9e4da9c0bd79044967157c440355a1fd14ff708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ae633700d2e7c5bfa0992e1f9e4da9c0bd79044967157c440355a1fd14ff708", kill_on_drop: false }`
[INFO] [stdout] 7ae633700d2e7c5bfa0992e1f9e4da9c0bd79044967157c440355a1fd14ff708
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c72cfac109e2e5ce0f109c5fdaa40da2e5ed7479706f13a0a664790658f88580
[INFO] running `Command { std: "docker" "start" "-a" "c72cfac109e2e5ce0f109c5fdaa40da2e5ed7479706f13a0a664790658f88580", kill_on_drop: false }`
[INFO] [stderr]  Documenting restore-ip-address v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/lib.rs:34:37
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let next_char = &s.as_str()[(current_index..current_index + 1)];
[INFO] [stdout]    |                                     ^                                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 34 -         let next_char = &s.as_str()[(current_index..current_index + 1)];
[INFO] [stdout] 34 +         let next_char = &s.as_str()[current_index..current_index + 1 ];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/restore_ip_address/index.html
[INFO] running `Command { std: "docker" "inspect" "c72cfac109e2e5ce0f109c5fdaa40da2e5ed7479706f13a0a664790658f88580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c72cfac109e2e5ce0f109c5fdaa40da2e5ed7479706f13a0a664790658f88580", kill_on_drop: false }`
[INFO] [stdout] c72cfac109e2e5ce0f109c5fdaa40da2e5ed7479706f13a0a664790658f88580