[INFO] fetching crate vm-superio-ser 0.3.0...
[INFO] testing vm-superio-ser-0.3.0 against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take4
[INFO] extracting crate vm-superio-ser 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate vm-superio-ser 0.3.0 on toolchain fc4ba03ef77ca5018fb78a097d3b924d30f15bfc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vm-superio-ser 0.3.0
[INFO] finished tweaking crates.io crate vm-superio-ser 0.3.0
[INFO] tweaked toml for crates.io crate vm-superio-ser 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vm-superio v0.7.0
[INFO] [stderr]   Downloaded versionize_derive v0.1.4
[INFO] [stderr]   Downloaded vmm-sys-util v0.11.0
[INFO] [stderr]   Downloaded crc64 v1.0.0
[INFO] [stderr]   Downloaded versionize v0.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1dafba79d177854e0f1831e35293ee504e1a6362b21bf60a4b7f7e2761291b3d
[INFO] running `Command { std: "docker" "start" "-a" "1dafba79d177854e0f1831e35293ee504e1a6362b21bf60a4b7f7e2761291b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dafba79d177854e0f1831e35293ee504e1a6362b21bf60a4b7f7e2761291b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dafba79d177854e0f1831e35293ee504e1a6362b21bf60a4b7f7e2761291b3d", kill_on_drop: false }`
[INFO] [stdout] 1dafba79d177854e0f1831e35293ee504e1a6362b21bf60a4b7f7e2761291b3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] c4eed4b773d43a2f4b1053d57e8f05fce1c4107e461c7f2afd9c973e502bd3a0
[INFO] running `Command { std: "docker" "start" "-a" "c4eed4b773d43a2f4b1053d57e8f05fce1c4107e461c7f2afd9c973e502bd3a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling serde_derive v1.0.150
[INFO] [stderr]    Compiling serde v1.0.150
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling crc64 v1.0.0
[INFO] [stderr]    Compiling vm-superio v0.7.0
[INFO] [stderr]    Compiling vmm-sys-util v0.11.0
[INFO] [stderr]    Compiling versionize_derive v0.1.4
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling versionize v0.1.9
[INFO] [stderr]    Compiling vm-superio-ser v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.06s
[INFO] running `Command { std: "docker" "inspect" "c4eed4b773d43a2f4b1053d57e8f05fce1c4107e461c7f2afd9c973e502bd3a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4eed4b773d43a2f4b1053d57e8f05fce1c4107e461c7f2afd9c973e502bd3a0", kill_on_drop: false }`
[INFO] [stdout] c4eed4b773d43a2f4b1053d57e8f05fce1c4107e461c7f2afd9c973e502bd3a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--no-run" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 27bfcfa6b51e391aa4db3631d46d97e6719cfa1398cbc19c29753582cad5bc97
[INFO] running `Command { std: "docker" "start" "-a" "27bfcfa6b51e391aa4db3631d46d97e6719cfa1398cbc19c29753582cad5bc97", kill_on_drop: false }`
[INFO] [stderr]    Compiling vm-superio-ser v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "27bfcfa6b51e391aa4db3631d46d97e6719cfa1398cbc19c29753582cad5bc97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27bfcfa6b51e391aa4db3631d46d97e6719cfa1398cbc19c29753582cad5bc97", kill_on_drop: false }`
[INFO] [stdout] 27bfcfa6b51e391aa4db3631d46d97e6719cfa1398cbc19c29753582cad5bc97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 6bd4072513ec5191ed45fb88767799033e2da2d985810ef7ef3c3ce521ca86d2
[INFO] running `Command { std: "docker" "start" "-a" "6bd4072513ec5191ed45fb88767799033e2da2d985810ef7ef3c3ce521ca86d2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/vm_superio_ser-994d5e8a64b9417b)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test rtc_pl031::tests::test_state_ser ... ok
[INFO] [stdout] test serial::tests::test_ser_der_binary ... ok
[INFO] [stdout] test serial::tests::test_state_ser ... ok
[INFO] [stdout] test serial::tests::test_state_ser_idempotency ... ok
[INFO] [stdout] test serial::tests::test_state_ser_default ... ok
[INFO] [stdout] test serial::tests::test_versionize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6bd4072513ec5191ed45fb88767799033e2da2d985810ef7ef3c3ce521ca86d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bd4072513ec5191ed45fb88767799033e2da2d985810ef7ef3c3ce521ca86d2", kill_on_drop: false }`
[INFO] [stdout] 6bd4072513ec5191ed45fb88767799033e2da2d985810ef7ef3c3ce521ca86d2