[INFO] fetching crate minimp3_ex-sys 0.1.1...
[INFO] testing minimp3_ex-sys-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate minimp3_ex-sys 0.1.1 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate minimp3_ex-sys 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minimp3_ex-sys 0.1.1
[INFO] finished tweaking crates.io crate minimp3_ex-sys 0.1.1
[INFO] tweaked toml for crates.io crate minimp3_ex-sys 0.1.1 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 426eec543b66058eb9a72c3f3d41afcc680c858f40f666ad7ec0f2242535e7ac
[INFO] running `Command { std: "docker" "start" "-a" "426eec543b66058eb9a72c3f3d41afcc680c858f40f666ad7ec0f2242535e7ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "426eec543b66058eb9a72c3f3d41afcc680c858f40f666ad7ec0f2242535e7ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "426eec543b66058eb9a72c3f3d41afcc680c858f40f666ad7ec0f2242535e7ac", kill_on_drop: false }`
[INFO] [stdout] 426eec543b66058eb9a72c3f3d41afcc680c858f40f666ad7ec0f2242535e7ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c809bddc99bcadf74dcbd5fab0f5f4fbf99e2eec64f191c57d23c4677f506761
[INFO] running `Command { std: "docker" "start" "-a" "c809bddc99bcadf74dcbd5fab0f5f4fbf99e2eec64f191c57d23c4677f506761", kill_on_drop: false }`
[INFO] [stderr]    Compiling minimp3_ex-sys v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `Command { std: "docker" "inspect" "c809bddc99bcadf74dcbd5fab0f5f4fbf99e2eec64f191c57d23c4677f506761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c809bddc99bcadf74dcbd5fab0f5f4fbf99e2eec64f191c57d23c4677f506761", kill_on_drop: false }`
[INFO] [stdout] c809bddc99bcadf74dcbd5fab0f5f4fbf99e2eec64f191c57d23c4677f506761
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 643b24561d85f5dc734ba7259e622cb6df4d926afa40800921ab98d064bc2415
[INFO] running `Command { std: "docker" "start" "-a" "643b24561d85f5dc734ba7259e622cb6df4d926afa40800921ab98d064bc2415", kill_on_drop: false }`
[INFO] [stderr]    Compiling minimp3_ex-sys v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "643b24561d85f5dc734ba7259e622cb6df4d926afa40800921ab98d064bc2415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "643b24561d85f5dc734ba7259e622cb6df4d926afa40800921ab98d064bc2415", kill_on_drop: false }`
[INFO] [stdout] 643b24561d85f5dc734ba7259e622cb6df4d926afa40800921ab98d064bc2415
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dff40fe1cc3d60dd3a663ab28cf3710d97b979431824afb4542a01a410b70495
[INFO] running `Command { std: "docker" "start" "-a" "dff40fe1cc3d60dd3a663ab28cf3710d97b979431824afb4542a01a410b70495", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minimp3_ex_sys-638308575d29d103)
[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]      Running tests/smoke_test.rs (/opt/rustwide/target/debug/deps/smoke_test-db058dd6792d5399)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests minimp3_ex-sys
[INFO] [stdout] running 1 test
[INFO] [stdout] test open_dummy_cb ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "dff40fe1cc3d60dd3a663ab28cf3710d97b979431824afb4542a01a410b70495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dff40fe1cc3d60dd3a663ab28cf3710d97b979431824afb4542a01a410b70495", kill_on_drop: false }`
[INFO] [stdout] dff40fe1cc3d60dd3a663ab28cf3710d97b979431824afb4542a01a410b70495