[INFO] fetching crate serialport_monitor 1.0.0...
[INFO] checking serialport_monitor-1.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate serialport_monitor 1.0.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate serialport_monitor 1.0.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serialport_monitor 1.0.0
[INFO] finished tweaking crates.io crate serialport_monitor 1.0.0
[INFO] tweaked toml for crates.io crate serialport_monitor 1.0.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate serialport_monitor 1.0.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded time v0.3.17
[INFO] [stderr]   Downloaded once_cell v1.17.0
[INFO] [stderr]   Downloaded serialport v4.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 719a8dfc66323e53e54aad5deda5c0093067a86909d636b9a9a1e06bc2b06c62
[INFO] running `Command { std: "docker" "start" "-a" "719a8dfc66323e53e54aad5deda5c0093067a86909d636b9a9a1e06bc2b06c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "719a8dfc66323e53e54aad5deda5c0093067a86909d636b9a9a1e06bc2b06c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "719a8dfc66323e53e54aad5deda5c0093067a86909d636b9a9a1e06bc2b06c62", kill_on_drop: false }`
[INFO] [stdout] 719a8dfc66323e53e54aad5deda5c0093067a86909d636b9a9a1e06bc2b06c62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec19bb7aaea197fa418fdc818042f7238658f6a90583666ce49122b843572e80
[INFO] running `Command { std: "docker" "start" "-a" "ec19bb7aaea197fa418fdc818042f7238658f6a90583666ce49122b843572e80", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking os_str_bytes v6.5.1
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]     Checking time v0.3.17
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]     Checking ctrlc v3.4.0
[INFO] [stderr]     Checking serialport v4.2.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking serialport_monitor v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.07s
[INFO] running `Command { std: "docker" "inspect" "ec19bb7aaea197fa418fdc818042f7238658f6a90583666ce49122b843572e80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec19bb7aaea197fa418fdc818042f7238658f6a90583666ce49122b843572e80", kill_on_drop: false }`
[INFO] [stdout] ec19bb7aaea197fa418fdc818042f7238658f6a90583666ce49122b843572e80
[INFO] checking serialport_monitor-1.0.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate serialport_monitor 1.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate serialport_monitor 1.0.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serialport_monitor 1.0.0
[INFO] finished tweaking crates.io crate serialport_monitor 1.0.0
[INFO] tweaked toml for crates.io crate serialport_monitor 1.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate serialport_monitor 1.0.0 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d3987047ba2b2196f0edd02d70771aae5347a1979e27bdad8ac51f25770f326
[INFO] running `Command { std: "docker" "start" "-a" "5d3987047ba2b2196f0edd02d70771aae5347a1979e27bdad8ac51f25770f326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d3987047ba2b2196f0edd02d70771aae5347a1979e27bdad8ac51f25770f326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d3987047ba2b2196f0edd02d70771aae5347a1979e27bdad8ac51f25770f326", kill_on_drop: false }`
[INFO] [stdout] 5d3987047ba2b2196f0edd02d70771aae5347a1979e27bdad8ac51f25770f326
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 423332d74e5cd564d3f9211e0b6672311a1936e61fb71e4be901ae5e95b871c4
[INFO] running `Command { std: "docker" "start" "-a" "423332d74e5cd564d3f9211e0b6672311a1936e61fb71e4be901ae5e95b871c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking os_str_bytes v6.5.1
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]     Checking time v0.3.17
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]     Checking ctrlc v3.4.0
[INFO] [stderr]     Checking serialport v4.2.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking serialport_monitor v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.50s
[INFO] running `Command { std: "docker" "inspect" "423332d74e5cd564d3f9211e0b6672311a1936e61fb71e4be901ae5e95b871c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "423332d74e5cd564d3f9211e0b6672311a1936e61fb71e4be901ae5e95b871c4", kill_on_drop: false }`
[INFO] [stdout] 423332d74e5cd564d3f9211e0b6672311a1936e61fb71e4be901ae5e95b871c4