[INFO] fetching crate serial_logger 0.1.0...
[INFO] testing serial_logger-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[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 c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eab0d4a4e09152f14de5f4d625bde52ab6fd57792b51163b4006c1dcef436e0a
[INFO] running `Command { std: "docker" "start" "-a" "eab0d4a4e09152f14de5f4d625bde52ab6fd57792b51163b4006c1dcef436e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eab0d4a4e09152f14de5f4d625bde52ab6fd57792b51163b4006c1dcef436e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eab0d4a4e09152f14de5f4d625bde52ab6fd57792b51163b4006c1dcef436e0a", kill_on_drop: false }`
[INFO] [stdout] eab0d4a4e09152f14de5f4d625bde52ab6fd57792b51163b4006c1dcef436e0a
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef925924965da6ddb135c97ab9c7d4188f6384ea67eee7d7eb3ed39463ce86e0
[INFO] running `Command { std: "docker" "start" "-a" "ef925924965da6ddb135c97ab9c7d4188f6384ea67eee7d7eb3ed39463ce86e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[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 nix v0.24.3
[INFO] [stderr]    Compiling time v0.1.45
[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 7.47s
[INFO] running `Command { std: "docker" "inspect" "ef925924965da6ddb135c97ab9c7d4188f6384ea67eee7d7eb3ed39463ce86e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef925924965da6ddb135c97ab9c7d4188f6384ea67eee7d7eb3ed39463ce86e0", kill_on_drop: false }`
[INFO] [stdout] ef925924965da6ddb135c97ab9c7d4188f6384ea67eee7d7eb3ed39463ce86e0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4156a94c7bde072e31c00a0cd1689d3242cca92f70d59ac8bcc8c6e4c55fa7a4
[INFO] running `Command { std: "docker" "start" "-a" "4156a94c7bde072e31c00a0cd1689d3242cca92f70d59ac8bcc8c6e4c55fa7a4", 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 0.44s
[INFO] running `Command { std: "docker" "inspect" "4156a94c7bde072e31c00a0cd1689d3242cca92f70d59ac8bcc8c6e4c55fa7a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4156a94c7bde072e31c00a0cd1689d3242cca92f70d59ac8bcc8c6e4c55fa7a4", kill_on_drop: false }`
[INFO] [stdout] 4156a94c7bde072e31c00a0cd1689d3242cca92f70d59ac8bcc8c6e4c55fa7a4
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 09d757e93f14ecd6bd1ead5b3bc9758f46740cc8e9ff1f537eab7c09e097151d
[INFO] running `Command { std: "docker" "start" "-a" "09d757e93f14ecd6bd1ead5b3bc9758f46740cc8e9ff1f537eab7c09e097151d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.08s
[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" "09d757e93f14ecd6bd1ead5b3bc9758f46740cc8e9ff1f537eab7c09e097151d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d757e93f14ecd6bd1ead5b3bc9758f46740cc8e9ff1f537eab7c09e097151d", kill_on_drop: false }`
[INFO] [stdout] 09d757e93f14ecd6bd1ead5b3bc9758f46740cc8e9ff1f537eab7c09e097151d