[INFO] fetching crate fine_grained 0.1.2...
[INFO] building fine_grained-0.1.2 against 1.60.0 for beta-1.61-1
[INFO] extracting crate fine_grained 0.1.2 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate fine_grained 0.1.2 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fine_grained 0.1.2
[INFO] finished tweaking crates.io crate fine_grained 0.1.2
[INFO] tweaked toml for crates.io crate fine_grained 0.1.2 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8316cf50d8e6385ef7747d615c994299c8c03fc9a4d7733af00568fcfb3e6a2
[INFO] running `Command { std: "docker" "start" "-a" "a8316cf50d8e6385ef7747d615c994299c8c03fc9a4d7733af00568fcfb3e6a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8316cf50d8e6385ef7747d615c994299c8c03fc9a4d7733af00568fcfb3e6a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8316cf50d8e6385ef7747d615c994299c8c03fc9a4d7733af00568fcfb3e6a2", kill_on_drop: false }`
[INFO] [stdout] a8316cf50d8e6385ef7747d615c994299c8c03fc9a4d7733af00568fcfb3e6a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56f584a1e8c2f9fa725e39842268722d05aa25c2a2ce2993351daa8800a12db2
[INFO] running `Command { std: "docker" "start" "-a" "56f584a1e8c2f9fa725e39842268722d05aa25c2a2ce2993351daa8800a12db2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fine_grained v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/stopwatch.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 | /                 /// If the stopwatch is currently running, the total time is the saved total time
[INFO] [stdout] 92 | |                 /// plus the current lap's duration up to this point.
[INFO] [stdout]    | |_____________________________________________________________________^
[INFO] [stdout] 93 |                   let current_time: u64 = time::precise_time_ns();
[INFO] [stdout]    |                   ------------------------------------------------ rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.85s
[INFO] running `Command { std: "docker" "inspect" "56f584a1e8c2f9fa725e39842268722d05aa25c2a2ce2993351daa8800a12db2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56f584a1e8c2f9fa725e39842268722d05aa25c2a2ce2993351daa8800a12db2", kill_on_drop: false }`
[INFO] [stdout] 56f584a1e8c2f9fa725e39842268722d05aa25c2a2ce2993351daa8800a12db2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7230cd78f8b5e6df5e4daa9443c835ac7e25b1811842b5d1a9b7f428f2efe0d
[INFO] running `Command { std: "docker" "start" "-a" "b7230cd78f8b5e6df5e4daa9443c835ac7e25b1811842b5d1a9b7f428f2efe0d", kill_on_drop: false }`
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/stopwatch.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 | /                 /// If the stopwatch is currently running, the total time is the saved total time
[INFO] [stdout] 92 | |                 /// plus the current lap's duration up to this point.
[INFO] [stdout]    | |_____________________________________________________________________^
[INFO] [stdout] 93 |                   let current_time: u64 = time::precise_time_ns();
[INFO] [stdout]    |                   ------------------------------------------------ rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fine_grained v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/stopwatch.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 | /                 /// If the stopwatch is currently running, the total time is the saved total time
[INFO] [stdout] 92 | |                 /// plus the current lap's duration up to this point.
[INFO] [stdout]    | |_____________________________________________________________________^
[INFO] [stdout] 93 |                   let current_time: u64 = time::precise_time_ns();
[INFO] [stdout]    |                   ------------------------------------------------ rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "b7230cd78f8b5e6df5e4daa9443c835ac7e25b1811842b5d1a9b7f428f2efe0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7230cd78f8b5e6df5e4daa9443c835ac7e25b1811842b5d1a9b7f428f2efe0d", kill_on_drop: false }`
[INFO] [stdout] b7230cd78f8b5e6df5e4daa9443c835ac7e25b1811842b5d1a9b7f428f2efe0d