[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_take3
[INFO] extracting crate vm-superio-ser 0.3.0 into /workspace/builds/worker-2/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-2/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 versionize_derive v0.1.4
[INFO] [stderr]   Downloaded crc64 v1.0.0
[INFO] [stderr]   Downloaded versionize v0.1.9
[INFO] [stderr]   Downloaded vm-superio v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 0ed0ec62e2bb75047ffe0f4df0d98de7e7cab3d32964c229920ce1d8c198ddf1
[INFO] running `Command { std: "docker" "start" "-a" "0ed0ec62e2bb75047ffe0f4df0d98de7e7cab3d32964c229920ce1d8c198ddf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ed0ec62e2bb75047ffe0f4df0d98de7e7cab3d32964c229920ce1d8c198ddf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ed0ec62e2bb75047ffe0f4df0d98de7e7cab3d32964c229920ce1d8c198ddf1", kill_on_drop: false }`
[INFO] [stdout] 0ed0ec62e2bb75047ffe0f4df0d98de7e7cab3d32964c229920ce1d8c198ddf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 00371f8b7348d60bc4bf72fd5a6f0ce472fd1d8cf00fb96e24698a8b81fb52fe
[INFO] running `Command { std: "docker" "start" "-a" "00371f8b7348d60bc4bf72fd5a6f0ce472fd1d8cf00fb96e24698a8b81fb52fe", 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 v1.0.149
[INFO] [stderr]    Compiling serde v1.0.149
[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 19.27s
[INFO] running `Command { std: "docker" "inspect" "00371f8b7348d60bc4bf72fd5a6f0ce472fd1d8cf00fb96e24698a8b81fb52fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00371f8b7348d60bc4bf72fd5a6f0ce472fd1d8cf00fb96e24698a8b81fb52fe", kill_on_drop: false }`
[INFO] [stdout] 00371f8b7348d60bc4bf72fd5a6f0ce472fd1d8cf00fb96e24698a8b81fb52fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] b17f85177c72644b7894e55d6063212249bc65d31067c5c94dc64c76143ee611
[INFO] running `Command { std: "docker" "start" "-a" "b17f85177c72644b7894e55d6063212249bc65d31067c5c94dc64c76143ee611", 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 0.87s
[INFO] running `Command { std: "docker" "inspect" "b17f85177c72644b7894e55d6063212249bc65d31067c5c94dc64c76143ee611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b17f85177c72644b7894e55d6063212249bc65d31067c5c94dc64c76143ee611", kill_on_drop: false }`
[INFO] [stdout] b17f85177c72644b7894e55d6063212249bc65d31067c5c94dc64c76143ee611
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 7fbe5009c41833befade6933b1220cd560b0fb6981ec7b00167d475fb114a17c
[INFO] running `Command { std: "docker" "start" "-a" "7fbe5009c41833befade6933b1220cd560b0fb6981ec7b00167d475fb114a17c", 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-2454ad6dd42b2812)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test serial::tests::test_state_ser ... ok
[INFO] [stdout] test serial::tests::test_versionize ... ok
[INFO] [stdout] test serial::tests::test_state_ser_default ... ok
[INFO] [stdout] test rtc_pl031::tests::test_state_ser ... ok
[INFO] [stdout] test serial::tests::test_state_ser_idempotency ... ok
[INFO] [stdout] test serial::tests::test_ser_der_binary ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7fbe5009c41833befade6933b1220cd560b0fb6981ec7b00167d475fb114a17c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fbe5009c41833befade6933b1220cd560b0fb6981ec7b00167d475fb114a17c", kill_on_drop: false }`
[INFO] [stdout] 7fbe5009c41833befade6933b1220cd560b0fb6981ec7b00167d475fb114a17c