[INFO] fetching crate polished_serial_logging 0.1.2...
[INFO] testing polished_serial_logging-0.1.2 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate polished_serial_logging 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate polished_serial_logging 0.1.2
[INFO] finished tweaking crates.io crate polished_serial_logging 0.1.2
[INFO] tweaked toml for crates.io crate polished_serial_logging 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polished_serial_logging 0.1.2 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate polished_serial_logging 0.1.2 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3951f8b707f02f423e8af8f7df15ca036d1ab1fc5a188ab3af010446b042f27c
[INFO] running `Command { std: "docker" "start" "-a" "3951f8b707f02f423e8af8f7df15ca036d1ab1fc5a188ab3af010446b042f27c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3951f8b707f02f423e8af8f7df15ca036d1ab1fc5a188ab3af010446b042f27c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3951f8b707f02f423e8af8f7df15ca036d1ab1fc5a188ab3af010446b042f27c", kill_on_drop: false }`
[INFO] [stdout] 3951f8b707f02f423e8af8f7df15ca036d1ab1fc5a188ab3af010446b042f27c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ab06f09b3b7869b67193f6059bf508b957cd962552bf19d3a078df19654236e
[INFO] running `Command { std: "docker" "start" "-a" "1ab06f09b3b7869b67193f6059bf508b957cd962552bf19d3a078df19654236e", kill_on_drop: false }`
[INFO] [stderr]    Compiling x86 v0.52.0
[INFO] [stderr]    Compiling raw-cpuid v10.7.0
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling volatile v0.4.6
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling x86_64 v0.15.2
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling uart_16550 v0.3.2
[INFO] [stderr]    Compiling polished_serial_logging v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.17s
[INFO] running `Command { std: "docker" "inspect" "1ab06f09b3b7869b67193f6059bf508b957cd962552bf19d3a078df19654236e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ab06f09b3b7869b67193f6059bf508b957cd962552bf19d3a078df19654236e", kill_on_drop: false }`
[INFO] [stdout] 1ab06f09b3b7869b67193f6059bf508b957cd962552bf19d3a078df19654236e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb280d935e65e9559ca50fb13e869db2ff0c59fbe2e51767d999ff23b18c9775
[INFO] running `Command { std: "docker" "start" "-a" "eb280d935e65e9559ca50fb13e869db2ff0c59fbe2e51767d999ff23b18c9775", kill_on_drop: false }`
[INFO] [stderr]    Compiling polished_serial_logging v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "eb280d935e65e9559ca50fb13e869db2ff0c59fbe2e51767d999ff23b18c9775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb280d935e65e9559ca50fb13e869db2ff0c59fbe2e51767d999ff23b18c9775", kill_on_drop: false }`
[INFO] [stdout] eb280d935e65e9559ca50fb13e869db2ff0c59fbe2e51767d999ff23b18c9775
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5e81e32906f8daaad9c5fb5346fea962260c8ab91df939409a53b33d20abace7
[INFO] running `Command { std: "docker" "start" "-a" "5e81e32906f8daaad9c5fb5346fea962260c8ab91df939409a53b33d20abace7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/polished_serial_logging-7a5e98d2a4c2ec3f)
[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]    Doc-tests polished_serial_logging
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - error (line 266) - compile ... ok
[INFO] [stdout] test src/lib.rs - info (line 238) - compile ... ok
[INFO] [stdout] test src/lib.rs - info_hex (line 252) - compile ... ok
[INFO] [stdout] test src/lib.rs - serial_log (line 97) - compile ... ok
[INFO] [stdout] test src/lib.rs - serial_log_hex (line 133) - compile ... ok
[INFO] [stdout] test src/lib.rs - warn (line 280) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 29) - compile ... ok
[INFO] [stdout] test src/lib.rs - error (line 293) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5e81e32906f8daaad9c5fb5346fea962260c8ab91df939409a53b33d20abace7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e81e32906f8daaad9c5fb5346fea962260c8ab91df939409a53b33d20abace7", kill_on_drop: false }`
[INFO] [stdout] 5e81e32906f8daaad9c5fb5346fea962260c8ab91df939409a53b33d20abace7