[INFO] fetching crate serial_logger 0.1.0...
[INFO] testing serial_logger-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-2
[INFO] extracting crate serial_logger 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate serial_logger 0.1.0
[INFO] finished tweaking crates.io crate serial_logger 0.1.0
[INFO] tweaked toml for crates.io crate serial_logger 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serial_logger 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serial_logger 0.1.0 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7eb92c6cb20998e1629c57305e698cc3edabd2f82ce6f61b338a31e43cac4d2e
[INFO] running `Command { std: "docker" "start" "-a" "7eb92c6cb20998e1629c57305e698cc3edabd2f82ce6f61b338a31e43cac4d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7eb92c6cb20998e1629c57305e698cc3edabd2f82ce6f61b338a31e43cac4d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eb92c6cb20998e1629c57305e698cc3edabd2f82ce6f61b338a31e43cac4d2e", kill_on_drop: false }`
[INFO] [stdout] 7eb92c6cb20998e1629c57305e698cc3edabd2f82ce6f61b338a31e43cac4d2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81811d46553c772d15707c2e8a1b3c7152eb1a19553076db15c16c6f15613d28
[INFO] running `Command { std: "docker" "start" "-a" "81811d46553c772d15707c2e8a1b3c7152eb1a19553076db15c16c6f15613d28", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling iana-time-zone v0.1.53
[INFO] [stderr]    Compiling home v0.5.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling libudev v0.3.0
[INFO] [stderr]    Compiling chrono v0.4.23
[INFO] [stderr]    Compiling serialport v4.2.0
[INFO] [stderr]    Compiling serial_logger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 8.89s
[INFO] running `Command { std: "docker" "inspect" "81811d46553c772d15707c2e8a1b3c7152eb1a19553076db15c16c6f15613d28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81811d46553c772d15707c2e8a1b3c7152eb1a19553076db15c16c6f15613d28", kill_on_drop: false }`
[INFO] [stdout] 81811d46553c772d15707c2e8a1b3c7152eb1a19553076db15c16c6f15613d28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ed9c221327acd9555789177f3697e8b27e1f0b946fcd35a958954d2f64599e3
[INFO] running `Command { std: "docker" "start" "-a" "8ed9c221327acd9555789177f3697e8b27e1f0b946fcd35a958954d2f64599e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial_logger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "8ed9c221327acd9555789177f3697e8b27e1f0b946fcd35a958954d2f64599e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ed9c221327acd9555789177f3697e8b27e1f0b946fcd35a958954d2f64599e3", kill_on_drop: false }`
[INFO] [stdout] 8ed9c221327acd9555789177f3697e8b27e1f0b946fcd35a958954d2f64599e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8b9e000f511461fcee7a05742358a97601ed5dd40f116a363b0cc5257a17e66a
[INFO] running `Command { std: "docker" "start" "-a" "8b9e000f511461fcee7a05742358a97601ed5dd40f116a363b0cc5257a17e66a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/serial_logger-74ecf84204325c54)
[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" "8b9e000f511461fcee7a05742358a97601ed5dd40f116a363b0cc5257a17e66a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b9e000f511461fcee7a05742358a97601ed5dd40f116a363b0cc5257a17e66a", kill_on_drop: false }`
[INFO] [stdout] 8b9e000f511461fcee7a05742358a97601ed5dd40f116a363b0cc5257a17e66a