[INFO] fetching crate fine_grained 0.1.2...
[INFO] building fine_grained-0.1.2 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate fine_grained 0.1.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate fine_grained 0.1.2 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46a7549451de01f4e798b140939db06c98cc52cf9dfd95639e95c2a4721d1f4a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "46a7549451de01f4e798b140939db06c98cc52cf9dfd95639e95c2a4721d1f4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46a7549451de01f4e798b140939db06c98cc52cf9dfd95639e95c2a4721d1f4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46a7549451de01f4e798b140939db06c98cc52cf9dfd95639e95c2a4721d1f4a", kill_on_drop: false }`
[INFO] [stdout] 46a7549451de01f4e798b140939db06c98cc52cf9dfd95639e95c2a4721d1f4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c85000832bbd8ef75cc44dbd09040ee3ba89e6dc34fa475abe0a5030b349e1d0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c85000832bbd8ef75cc44dbd09040ee3ba89e6dc34fa475abe0a5030b349e1d0", kill_on_drop: false }`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "c85000832bbd8ef75cc44dbd09040ee3ba89e6dc34fa475abe0a5030b349e1d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c85000832bbd8ef75cc44dbd09040ee3ba89e6dc34fa475abe0a5030b349e1d0", kill_on_drop: false }`
[INFO] [stdout] c85000832bbd8ef75cc44dbd09040ee3ba89e6dc34fa475abe0a5030b349e1d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3be63438fb133d9207355abb3f3c1736662b293ca1080c78f044e073b522194c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3be63438fb133d9207355abb3f3c1736662b293ca1080c78f044e073b522194c", kill_on_drop: false }`
[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] 
[INFO] [stdout] 
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "3be63438fb133d9207355abb3f3c1736662b293ca1080c78f044e073b522194c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3be63438fb133d9207355abb3f3c1736662b293ca1080c78f044e073b522194c", kill_on_drop: false }`
[INFO] [stdout] 3be63438fb133d9207355abb3f3c1736662b293ca1080c78f044e073b522194c