[INFO] fetching crate blockish-player 0.0.5...
[INFO] testing blockish-player-0.0.5 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate blockish-player 0.0.5 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate blockish-player 0.0.5
[INFO] finished tweaking crates.io crate blockish-player 0.0.5
[INFO] tweaked toml for crates.io crate blockish-player 0.0.5 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate blockish-player 0.0.5 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 45 packages to latest compatible versions
[INFO] [stderr]       Adding crossterm v0.27.0 (available: v0.29.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bf9106731eb9475b869a699665dae790496214eca1399cd873fdfb357817715
[INFO] running `Command { std: "docker" "start" "-a" "1bf9106731eb9475b869a699665dae790496214eca1399cd873fdfb357817715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bf9106731eb9475b869a699665dae790496214eca1399cd873fdfb357817715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bf9106731eb9475b869a699665dae790496214eca1399cd873fdfb357817715", kill_on_drop: false }`
[INFO] [stdout] 1bf9106731eb9475b869a699665dae790496214eca1399cd873fdfb357817715
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ce9a6b0f2674cb64f034047a9ea94cbfac6b98af1058bcae6f630ef359ad502
[INFO] running `Command { std: "docker" "start" "-a" "1ce9a6b0f2674cb64f034047a9ea94cbfac6b98af1058bcae6f630ef359ad502", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling bitflags v2.9.3
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling crossterm v0.27.0
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling blockish-player v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]   --> src/lib.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     video_command(player, path)?.exec();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let _ = video_command(player, path)?.exec();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.74s
[INFO] running `Command { std: "docker" "inspect" "1ce9a6b0f2674cb64f034047a9ea94cbfac6b98af1058bcae6f630ef359ad502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ce9a6b0f2674cb64f034047a9ea94cbfac6b98af1058bcae6f630ef359ad502", kill_on_drop: false }`
[INFO] [stdout] 1ce9a6b0f2674cb64f034047a9ea94cbfac6b98af1058bcae6f630ef359ad502
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ab14e7f1a23520f49f86f248f711554cd604d9fdf12a5cf249cafcba57bd082
[INFO] running `Command { std: "docker" "start" "-a" "1ab14e7f1a23520f49f86f248f711554cd604d9fdf12a5cf249cafcba57bd082", kill_on_drop: false }`
[INFO] [stderr]    Compiling blockish-player v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]   --> src/lib.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     video_command(player, path)?.exec();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let _ = video_command(player, path)?.exec();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]   --> src/lib.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     video_command(player, path)?.exec();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let _ = video_command(player, path)?.exec();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "1ab14e7f1a23520f49f86f248f711554cd604d9fdf12a5cf249cafcba57bd082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ab14e7f1a23520f49f86f248f711554cd604d9fdf12a5cf249cafcba57bd082", kill_on_drop: false }`
[INFO] [stdout] 1ab14e7f1a23520f49f86f248f711554cd604d9fdf12a5cf249cafcba57bd082
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 397b64acfdc33f883fc601b96e5e5fac78506f3f46615771fa6e449ce0093c36
[INFO] running `Command { std: "docker" "start" "-a" "397b64acfdc33f883fc601b96e5e5fac78506f3f46615771fa6e449ce0093c36", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `exec` that must be used
[INFO] [stderr]   --> src/lib.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     video_command(player, path)?.exec();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let _ = video_command(player, path)?.exec();
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `blockish-player` (lib) generated 1 warning
[INFO] [stderr] warning: `blockish-player` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/blockish_player-4ee4809c0c9f6d87)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests blockish_player
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "397b64acfdc33f883fc601b96e5e5fac78506f3f46615771fa6e449ce0093c36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "397b64acfdc33f883fc601b96e5e5fac78506f3f46615771fa6e449ce0093c36", kill_on_drop: false }`
[INFO] [stdout] 397b64acfdc33f883fc601b96e5e5fac78506f3f46615771fa6e449ce0093c36