[INFO] fetching crate cortex-dispatcher 0.1.2...
[INFO] testing cortex-dispatcher-0.1.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate cortex-dispatcher 0.1.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate cortex-dispatcher 0.1.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cortex-dispatcher 0.1.2
[INFO] finished tweaking crates.io crate cortex-dispatcher 0.1.2
[INFO] tweaked toml for crates.io crate cortex-dispatcher 0.1.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e332a1a9d3762c59ebeae480753285c2da7405a8cf3797967af2c23d2b3d4a1
[INFO] running `Command { std: "docker" "start" "-a" "6e332a1a9d3762c59ebeae480753285c2da7405a8cf3797967af2c23d2b3d4a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e332a1a9d3762c59ebeae480753285c2da7405a8cf3797967af2c23d2b3d4a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e332a1a9d3762c59ebeae480753285c2da7405a8cf3797967af2c23d2b3d4a1", kill_on_drop: false }`
[INFO] [stdout] 6e332a1a9d3762c59ebeae480753285c2da7405a8cf3797967af2c23d2b3d4a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68df9460c512be319ac9eac65394a615a386cce67ebd9ac59c02bb8ef0a8d241
[INFO] running `Command { std: "docker" "start" "-a" "68df9460c512be319ac9eac65394a615a386cce67ebd9ac59c02bb8ef0a8d241", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling rust-ini v0.13.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling serde_regex v0.3.1
[INFO] [stderr]    Compiling inotify v0.6.1
[INFO] [stderr]    Compiling serde_test v0.8.23
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling serde-hjson v0.8.2
[INFO] [stderr]    Compiling config v0.9.3
[INFO] [stderr]    Compiling cortex-dispatcher v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/main.rs:71:15
[INFO] [stdout]    |
[INFO] [stdout] 71 |     if let Ok(c) = merge_result {
[INFO] [stdout]    |               ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.46s
[INFO] running `Command { std: "docker" "inspect" "68df9460c512be319ac9eac65394a615a386cce67ebd9ac59c02bb8ef0a8d241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68df9460c512be319ac9eac65394a615a386cce67ebd9ac59c02bb8ef0a8d241", kill_on_drop: false }`
[INFO] [stdout] 68df9460c512be319ac9eac65394a615a386cce67ebd9ac59c02bb8ef0a8d241
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d0a0fac0a1cf524a8b04585f224fc38774d6bc9e6c7d1c48d5a9447d2f1b89e
[INFO] running `Command { std: "docker" "start" "-a" "0d0a0fac0a1cf524a8b04585f224fc38774d6bc9e6c7d1c48d5a9447d2f1b89e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-dispatcher v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/main.rs:71:15
[INFO] [stdout]    |
[INFO] [stdout] 71 |     if let Ok(c) = merge_result {
[INFO] [stdout]    |               ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "0d0a0fac0a1cf524a8b04585f224fc38774d6bc9e6c7d1c48d5a9447d2f1b89e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d0a0fac0a1cf524a8b04585f224fc38774d6bc9e6c7d1c48d5a9447d2f1b89e", kill_on_drop: false }`
[INFO] [stdout] 0d0a0fac0a1cf524a8b04585f224fc38774d6bc9e6c7d1c48d5a9447d2f1b89e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c766ae781611da13615da6db0672bfced3b901fb6c838d01b90c0ebae8987e3f
[INFO] running `Command { std: "docker" "start" "-a" "c766ae781611da13615da6db0672bfced3b901fb6c838d01b90c0ebae8987e3f", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/main.rs:71:15
[INFO] [stderr]    |
[INFO] [stderr] 71 |     if let Ok(c) = merge_result {
[INFO] [stderr]    |               ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cortex-dispatcher` (bin "cortex-dispatcher" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cortex_dispatcher-7a5fe8010aa9057f)
[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" "c766ae781611da13615da6db0672bfced3b901fb6c838d01b90c0ebae8987e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c766ae781611da13615da6db0672bfced3b901fb6c838d01b90c0ebae8987e3f", kill_on_drop: false }`
[INFO] [stdout] c766ae781611da13615da6db0672bfced3b901fb6c838d01b90c0ebae8987e3f