[INFO] fetching crate rumrust 0.1.0...
[INFO] testing rumrust-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0
[INFO] extracting crate rumrust 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate rumrust 0.1.0
[INFO] finished tweaking crates.io crate rumrust 0.1.0
[INFO] tweaked toml for crates.io crate rumrust 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rumrust 0.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd6519fc70ed2215697d5bb579552be0462e16515cc62a616d4d55499c615813
[INFO] running `Command { std: "docker" "start" "-a" "bd6519fc70ed2215697d5bb579552be0462e16515cc62a616d4d55499c615813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd6519fc70ed2215697d5bb579552be0462e16515cc62a616d4d55499c615813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd6519fc70ed2215697d5bb579552be0462e16515cc62a616d4d55499c615813", kill_on_drop: false }`
[INFO] [stdout] bd6519fc70ed2215697d5bb579552be0462e16515cc62a616d4d55499c615813
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 133d3575682c4d71cf3cd8fa8b1e20f96a56f75137073e86b8d0848a15bd08f6
[INFO] running `Command { std: "docker" "start" "-a" "133d3575682c4d71cf3cd8fa8b1e20f96a56f75137073e86b8d0848a15bd08f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rumrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/lib.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |         1 => (rem[0] as u32),
[INFO] [stdout]    |              ^             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 18 -         1 => (rem[0] as u32),
[INFO] [stdout] 18 +         1 => rem[0] as u32,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "133d3575682c4d71cf3cd8fa8b1e20f96a56f75137073e86b8d0848a15bd08f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "133d3575682c4d71cf3cd8fa8b1e20f96a56f75137073e86b8d0848a15bd08f6", kill_on_drop: false }`
[INFO] [stdout] 133d3575682c4d71cf3cd8fa8b1e20f96a56f75137073e86b8d0848a15bd08f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 5b9762f4a12b62426491da9ea297b72232562da0b052f28036f07b54422e2b3a
[INFO] running `Command { std: "docker" "start" "-a" "5b9762f4a12b62426491da9ea297b72232562da0b052f28036f07b54422e2b3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rumrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/lib.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |         1 => (rem[0] as u32),
[INFO] [stdout]    |              ^             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 18 -         1 => (rem[0] as u32),
[INFO] [stdout] 18 +         1 => rem[0] as u32,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/lib.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |         1 => (rem[0] as u32),
[INFO] [stdout]    |              ^             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 18 -         1 => (rem[0] as u32),
[INFO] [stdout] 18 +         1 => rem[0] as u32,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "5b9762f4a12b62426491da9ea297b72232562da0b052f28036f07b54422e2b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b9762f4a12b62426491da9ea297b72232562da0b052f28036f07b54422e2b3a", kill_on_drop: false }`
[INFO] [stdout] 5b9762f4a12b62426491da9ea297b72232562da0b052f28036f07b54422e2b3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 2b00f5ac4e4fdce77edbd86d2bd9fbbc917607f852eb8df7e53e26d215b2f358
[INFO] running `Command { std: "docker" "start" "-a" "2b00f5ac4e4fdce77edbd86d2bd9fbbc917607f852eb8df7e53e26d215b2f358", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around match arm expression
[INFO] [stderr]   --> src/lib.rs:18:14
[INFO] [stderr]    |
[INFO] [stderr] 18 |         1 => (rem[0] as u32),
[INFO] [stderr]    |              ^             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 18 -         1 => (rem[0] as u32),
[INFO] [stderr] 18 +         1 => rem[0] as u32,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `rumrust` (lib) generated 1 warning (run `cargo fix --lib -p rumrust` to apply 1 suggestion)
[INFO] [stderr] warning: `rumrust` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rumrust-0c164918afb063c2)
[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" "2b00f5ac4e4fdce77edbd86d2bd9fbbc917607f852eb8df7e53e26d215b2f358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b00f5ac4e4fdce77edbd86d2bd9fbbc917607f852eb8df7e53e26d215b2f358", kill_on_drop: false }`
[INFO] [stdout] 2b00f5ac4e4fdce77edbd86d2bd9fbbc917607f852eb8df7e53e26d215b2f358