[INFO] fetching crate serial2 0.1.5...
[INFO] testing serial2-0.1.5 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate serial2 0.1.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate serial2 0.1.5 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serial2 0.1.5
[INFO] finished tweaking crates.io crate serial2 0.1.5
[INFO] tweaked toml for crates.io crate serial2 0.1.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate serial2 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e0f53beec4d6035695f9323820e95dd4836b019dc721757f7af49bcc8b226af
[INFO] running `Command { std: "docker" "start" "-a" "7e0f53beec4d6035695f9323820e95dd4836b019dc721757f7af49bcc8b226af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e0f53beec4d6035695f9323820e95dd4836b019dc721757f7af49bcc8b226af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e0f53beec4d6035695f9323820e95dd4836b019dc721757f7af49bcc8b226af", kill_on_drop: false }`
[INFO] [stdout] 7e0f53beec4d6035695f9323820e95dd4836b019dc721757f7af49bcc8b226af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c054e96fd0f5a086869e23c6bdf34fda9e4d6737895f19dc19078934c8d9db3
[INFO] running `Command { std: "docker" "start" "-a" "7c054e96fd0f5a086869e23c6bdf34fda9e4d6737895f19dc19078934c8d9db3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serial2 v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `Command { std: "docker" "inspect" "7c054e96fd0f5a086869e23c6bdf34fda9e4d6737895f19dc19078934c8d9db3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c054e96fd0f5a086869e23c6bdf34fda9e4d6737895f19dc19078934c8d9db3", kill_on_drop: false }`
[INFO] [stdout] 7c054e96fd0f5a086869e23c6bdf34fda9e4d6737895f19dc19078934c8d9db3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c60b668fa6bbec8bc2598effd68bc0b3706faeb7c45d943df9de5c14d7fb83a
[INFO] running `Command { std: "docker" "start" "-a" "6c60b668fa6bbec8bc2598effd68bc0b3706faeb7c45d943df9de5c14d7fb83a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial2 v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "6c60b668fa6bbec8bc2598effd68bc0b3706faeb7c45d943df9de5c14d7fb83a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c60b668fa6bbec8bc2598effd68bc0b3706faeb7c45d943df9de5c14d7fb83a", kill_on_drop: false }`
[INFO] [stdout] 6c60b668fa6bbec8bc2598effd68bc0b3706faeb7c45d943df9de5c14d7fb83a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8617583ee3460b7074fd6c234f8f8173842c9be6841ce321172577bcefb4e6a5
[INFO] running `Command { std: "docker" "start" "-a" "8617583ee3460b7074fd6c234f8f8173842c9be6841ce321172577bcefb4e6a5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serial2-07a64e57a10dfac3)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serial2
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 36) - compile ... ok
[INFO] [stdout] test src/serial_port.rs - serial_port::SerialPort::open (line 23) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8617583ee3460b7074fd6c234f8f8173842c9be6841ce321172577bcefb4e6a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8617583ee3460b7074fd6c234f8f8173842c9be6841ce321172577bcefb4e6a5", kill_on_drop: false }`
[INFO] [stdout] 8617583ee3460b7074fd6c234f8f8173842c9be6841ce321172577bcefb4e6a5