[INFO] fetching crate serialxy 0.1.5...
[INFO] testing serialxy-0.1.5 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate serialxy 0.1.5 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate serialxy 0.1.5
[INFO] finished tweaking crates.io crate serialxy 0.1.5
[INFO] tweaked toml for crates.io crate serialxy 0.1.5 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serialxy 0.1.5 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serialxy 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e3fdff1eb44262921a79fd751ce689938d3f1d95c3a114afb00f891b1831bfe
[INFO] running `Command { std: "docker" "start" "-a" "5e3fdff1eb44262921a79fd751ce689938d3f1d95c3a114afb00f891b1831bfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e3fdff1eb44262921a79fd751ce689938d3f1d95c3a114afb00f891b1831bfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e3fdff1eb44262921a79fd751ce689938d3f1d95c3a114afb00f891b1831bfe", kill_on_drop: false }`
[INFO] [stdout] 5e3fdff1eb44262921a79fd751ce689938d3f1d95c3a114afb00f891b1831bfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a67591b3260bbb4356aeb44a06f5801b42f9a948242b05c54f59f17aae91f4a
[INFO] running `Command { std: "docker" "start" "-a" "6a67591b3260bbb4356aeb44a06f5801b42f9a948242b05c54f59f17aae91f4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling nix v0.24.1
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling mio v0.8.4
[INFO] [stderr]    Compiling serialport v4.2.0
[INFO] [stderr]    Compiling mio-serial v5.0.2
[INFO] [stderr]    Compiling serialxy v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.48s
[INFO] running `Command { std: "docker" "inspect" "6a67591b3260bbb4356aeb44a06f5801b42f9a948242b05c54f59f17aae91f4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a67591b3260bbb4356aeb44a06f5801b42f9a948242b05c54f59f17aae91f4a", kill_on_drop: false }`
[INFO] [stdout] 6a67591b3260bbb4356aeb44a06f5801b42f9a948242b05c54f59f17aae91f4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5413ba9129ae43f6ca7877385c83041bcf8f6bea8bb5ab2c39063b285e9af792
[INFO] running `Command { std: "docker" "start" "-a" "5413ba9129ae43f6ca7877385c83041bcf8f6bea8bb5ab2c39063b285e9af792", kill_on_drop: false }`
[INFO] [stderr]    Compiling serialxy v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "5413ba9129ae43f6ca7877385c83041bcf8f6bea8bb5ab2c39063b285e9af792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5413ba9129ae43f6ca7877385c83041bcf8f6bea8bb5ab2c39063b285e9af792", kill_on_drop: false }`
[INFO] [stdout] 5413ba9129ae43f6ca7877385c83041bcf8f6bea8bb5ab2c39063b285e9af792
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e62875f00e8c5017d6de91f7b3eb652746b792407771837a76799c23194d7e81
[INFO] running `Command { std: "docker" "start" "-a" "e62875f00e8c5017d6de91f7b3eb652746b792407771837a76799c23194d7e81", kill_on_drop: false }`
[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]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/serialxy-f8b48088b1157e23)
[INFO] running `Command { std: "docker" "inspect" "e62875f00e8c5017d6de91f7b3eb652746b792407771837a76799c23194d7e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e62875f00e8c5017d6de91f7b3eb652746b792407771837a76799c23194d7e81", kill_on_drop: false }`
[INFO] [stdout] e62875f00e8c5017d6de91f7b3eb652746b792407771837a76799c23194d7e81