[INFO] fetching crate fine_grained 0.1.2...
[INFO] checking fine_grained-0.1.2 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate fine_grained 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate fine_grained 0.1.2 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da4b3f895e3e38ae9daa90b20616f7e13f02964b36c98739401046f58785c429
[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" "da4b3f895e3e38ae9daa90b20616f7e13f02964b36c98739401046f58785c429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da4b3f895e3e38ae9daa90b20616f7e13f02964b36c98739401046f58785c429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da4b3f895e3e38ae9daa90b20616f7e13f02964b36c98739401046f58785c429", kill_on_drop: false }`
[INFO] [stdout] da4b3f895e3e38ae9daa90b20616f7e13f02964b36c98739401046f58785c429
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69e63dce139e43a46996fef8d1ec9a57b11d9296c5827577e64a72212dfcfdbd
[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" "69e63dce139e43a46996fef8d1ec9a57b11d9296c5827577e64a72212dfcfdbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking 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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.35s
[INFO] running `Command { std: "docker" "inspect" "69e63dce139e43a46996fef8d1ec9a57b11d9296c5827577e64a72212dfcfdbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69e63dce139e43a46996fef8d1ec9a57b11d9296c5827577e64a72212dfcfdbd", kill_on_drop: false }`
[INFO] [stdout] 69e63dce139e43a46996fef8d1ec9a57b11d9296c5827577e64a72212dfcfdbd