[INFO] fetching crate short-lease-map 0.1.0...
[INFO] building short-lease-map-0.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate short-lease-map 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate short-lease-map 0.1.0
[INFO] finished tweaking crates.io crate short-lease-map 0.1.0
[INFO] tweaked toml for crates.io crate short-lease-map 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate short-lease-map 0.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90fe1efe4a1c54843703c7bcdf0a8798047c2ce89ff81fd00fed87781bca13d4
[INFO] running `Command { std: "docker" "start" "-a" "90fe1efe4a1c54843703c7bcdf0a8798047c2ce89ff81fd00fed87781bca13d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90fe1efe4a1c54843703c7bcdf0a8798047c2ce89ff81fd00fed87781bca13d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90fe1efe4a1c54843703c7bcdf0a8798047c2ce89ff81fd00fed87781bca13d4", kill_on_drop: false }`
[INFO] [stdout] 90fe1efe4a1c54843703c7bcdf0a8798047c2ce89ff81fd00fed87781bca13d4
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1008ea31cfa57cd5d349d8cd3202a2a98bc7627f836e47edc72dd59bbce9505
[INFO] running `Command { std: "docker" "start" "-a" "d1008ea31cfa57cd5d349d8cd3202a2a98bc7627f836e47edc72dd59bbce9505", kill_on_drop: false }`
[INFO] [stderr]    Compiling short-lease-map v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/lib.rs:72:34
[INFO] [stdout]    |
[INFO] [stdout] 72 |             .filter_map(|(i, e)| (e.as_ref().map(|o| (&o.0, i))))
[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] 72 -             .filter_map(|(i, e)| (e.as_ref().map(|o| (&o.0, i))))
[INFO] [stdout] 72 +             .filter_map(|(i, e)| e.as_ref().map(|o| (&o.0, i)) )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "d1008ea31cfa57cd5d349d8cd3202a2a98bc7627f836e47edc72dd59bbce9505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1008ea31cfa57cd5d349d8cd3202a2a98bc7627f836e47edc72dd59bbce9505", kill_on_drop: false }`
[INFO] [stdout] d1008ea31cfa57cd5d349d8cd3202a2a98bc7627f836e47edc72dd59bbce9505
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff0c3cf90715b8cf8982494ab588e4798929d4ef3e9845dc3afee9d7808ee82c
[INFO] running `Command { std: "docker" "start" "-a" "ff0c3cf90715b8cf8982494ab588e4798929d4ef3e9845dc3afee9d7808ee82c", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/lib.rs:72:34
[INFO] [stdout]    |
[INFO] [stdout] 72 |             .filter_map(|(i, e)| (e.as_ref().map(|o| (&o.0, i))))
[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] 72 -             .filter_map(|(i, e)| (e.as_ref().map(|o| (&o.0, i))))
[INFO] [stdout] 72 +             .filter_map(|(i, e)| e.as_ref().map(|o| (&o.0, i)) )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling short-lease-map v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/lib.rs:72:34
[INFO] [stdout]    |
[INFO] [stdout] 72 |             .filter_map(|(i, e)| (e.as_ref().map(|o| (&o.0, i))))
[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] 72 -             .filter_map(|(i, e)| (e.as_ref().map(|o| (&o.0, i))))
[INFO] [stdout] 72 +             .filter_map(|(i, e)| e.as_ref().map(|o| (&o.0, i)) )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "ff0c3cf90715b8cf8982494ab588e4798929d4ef3e9845dc3afee9d7808ee82c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff0c3cf90715b8cf8982494ab588e4798929d4ef3e9845dc3afee9d7808ee82c", kill_on_drop: false }`
[INFO] [stdout] ff0c3cf90715b8cf8982494ab588e4798929d4ef3e9845dc3afee9d7808ee82c