[INFO] fetching crate scout_game 0.1.1...
[INFO] building scout_game-0.1.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate scout_game 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate scout_game 0.1.1
[INFO] finished tweaking crates.io crate scout_game 0.1.1
[INFO] tweaked toml for crates.io crate scout_game 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scout_game 0.1.1 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] crate crates.io crate scout_game 0.1.1 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 276b795ba8ecacd44ceb51aa156d6f0f292914286722f4ed6bdbfdf69a843d90
[INFO] running `Command { std: "docker" "start" "-a" "276b795ba8ecacd44ceb51aa156d6f0f292914286722f4ed6bdbfdf69a843d90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "276b795ba8ecacd44ceb51aa156d6f0f292914286722f4ed6bdbfdf69a843d90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "276b795ba8ecacd44ceb51aa156d6f0f292914286722f4ed6bdbfdf69a843d90", kill_on_drop: false }`
[INFO] [stdout] 276b795ba8ecacd44ceb51aa156d6f0f292914286722f4ed6bdbfdf69a843d90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1ee8f1fd946c9cfbb15afcf82b82330969b4b14330cbea94c4f96e7e42325e05
[INFO] running `Command { std: "docker" "start" "-a" "1ee8f1fd946c9cfbb15afcf82b82330969b4b14330cbea94c4f96e7e42325e05", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling scout_game v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/strategies.rs:22:67
[INFO] [stdout]    |
[INFO] [stdout] 22 |             .flat_map(|start| (start..hand.len()).map(move |stop| (start..stop + 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] 22 -             .flat_map(|start| (start..hand.len()).map(move |stop| (start..stop + 1)))
[INFO] [stdout] 22 +             .flat_map(|start| (start..hand.len()).map(move |stop| start..stop + 1 ))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.88s
[INFO] running `Command { std: "docker" "inspect" "1ee8f1fd946c9cfbb15afcf82b82330969b4b14330cbea94c4f96e7e42325e05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ee8f1fd946c9cfbb15afcf82b82330969b4b14330cbea94c4f96e7e42325e05", kill_on_drop: false }`
[INFO] [stdout] 1ee8f1fd946c9cfbb15afcf82b82330969b4b14330cbea94c4f96e7e42325e05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f4304e497157da89c16b8f519cebb072f04f28298369b4f80251acbe3cbf9cee
[INFO] running `Command { std: "docker" "start" "-a" "f4304e497157da89c16b8f519cebb072f04f28298369b4f80251acbe3cbf9cee", kill_on_drop: false }`
[INFO] [stderr]    Compiling scout_game v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/strategies.rs:22:67
[INFO] [stdout]    |
[INFO] [stdout] 22 |             .flat_map(|start| (start..hand.len()).map(move |stop| (start..stop + 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] 22 -             .flat_map(|start| (start..hand.len()).map(move |stop| (start..stop + 1)))
[INFO] [stdout] 22 +             .flat_map(|start| (start..hand.len()).map(move |stop| start..stop + 1 ))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "f4304e497157da89c16b8f519cebb072f04f28298369b4f80251acbe3cbf9cee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4304e497157da89c16b8f519cebb072f04f28298369b4f80251acbe3cbf9cee", kill_on_drop: false }`
[INFO] [stdout] f4304e497157da89c16b8f519cebb072f04f28298369b4f80251acbe3cbf9cee