[INFO] cloning repository https://github.com/davisschenk/N2O-Sensor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davisschenk/N2O-Sensor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavisschenk%2FN2O-Sensor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavisschenk%2FN2O-Sensor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 157254038af457e385853f8a2088c6f1e8fd825d
[INFO] checking davisschenk/N2O-Sensor against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavisschenk%2FN2O-Sensor" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davisschenk/N2O-Sensor 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 git repo https://github.com/davisschenk/N2O-Sensor
[INFO] finished tweaking git repo https://github.com/davisschenk/N2O-Sensor
[INFO] tweaked toml for git repo https://github.com/davisschenk/N2O-Sensor written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/davisschenk/N2O-Sensor 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.27
[INFO] [stderr]   Downloaded critical-section v1.1.1
[INFO] [stderr]   Downloaded serialport v4.2.1
[INFO] [stderr]   Downloaded file-rotate v0.7.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.58
[INFO] [stderr]   Downloaded bitflags v2.0.2
[INFO] [stderr]   Downloaded bumpalo v3.12.2
[INFO] [stderr]   Downloaded nmea v0.4.0
[INFO] [stderr]   Downloaded syn v2.0.16
[INFO] [stderr]   Downloaded regex-syntax v0.7.1
[INFO] [stderr]   Downloaded regex v1.8.1
[INFO] [stderr]   Downloaded csv v1.2.1
[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] 77e57e5517ab65840976737ab1561e825261abc5b1cb737701560843a2c402ab
[INFO] running `Command { std: "docker" "start" "-a" "77e57e5517ab65840976737ab1561e825261abc5b1cb737701560843a2c402ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77e57e5517ab65840976737ab1561e825261abc5b1cb737701560843a2c402ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77e57e5517ab65840976737ab1561e825261abc5b1cb737701560843a2c402ab", kill_on_drop: false }`
[INFO] [stdout] 77e57e5517ab65840976737ab1561e825261abc5b1cb737701560843a2c402ab
[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] 2bcbb95346879b0c94667f7436d0a61c04d8edef4529e34b3cb2571018a7e281
[INFO] running `Command { std: "docker" "start" "-a" "2bcbb95346879b0c94667f7436d0a61c04d8edef4529e34b3cb2571018a7e281", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking iana-time-zone v0.1.56
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking regex-syntax v0.7.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking bitflags v2.0.2
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking regex v1.8.1
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking chrono v0.4.24
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking nmea v0.4.0
[INFO] [stderr]     Checking file-rotate v0.7.4
[INFO] [stderr]     Checking serialport v4.2.1
[INFO] [stderr]     Checking csv v1.2.1
[INFO] [stderr]     Checking n2o_sensor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.73s
[INFO] running `Command { std: "docker" "inspect" "2bcbb95346879b0c94667f7436d0a61c04d8edef4529e34b3cb2571018a7e281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bcbb95346879b0c94667f7436d0a61c04d8edef4529e34b3cb2571018a7e281", kill_on_drop: false }`
[INFO] [stdout] 2bcbb95346879b0c94667f7436d0a61c04d8edef4529e34b3cb2571018a7e281
[INFO] checking davisschenk/N2O-Sensor against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavisschenk%2FN2O-Sensor" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davisschenk/N2O-Sensor 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 git repo https://github.com/davisschenk/N2O-Sensor
[INFO] finished tweaking git repo https://github.com/davisschenk/N2O-Sensor
[INFO] tweaked toml for git repo https://github.com/davisschenk/N2O-Sensor written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/davisschenk/N2O-Sensor 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] 9d2621b84a9cd6b22e82b73fea514a491dd22144829c0e1d9909ca19807de2c0
[INFO] running `Command { std: "docker" "start" "-a" "9d2621b84a9cd6b22e82b73fea514a491dd22144829c0e1d9909ca19807de2c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d2621b84a9cd6b22e82b73fea514a491dd22144829c0e1d9909ca19807de2c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d2621b84a9cd6b22e82b73fea514a491dd22144829c0e1d9909ca19807de2c0", kill_on_drop: false }`
[INFO] [stdout] 9d2621b84a9cd6b22e82b73fea514a491dd22144829c0e1d9909ca19807de2c0
[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] 57f1bc0daf353cbecff309b2137da932cd96726d3b9f96c376ba49f63c20ba08
[INFO] running `Command { std: "docker" "start" "-a" "57f1bc0daf353cbecff309b2137da932cd96726d3b9f96c376ba49f63c20ba08", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.7.1
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking iana-time-zone v0.1.56
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking bitflags v2.0.2
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking regex v1.8.1
[INFO] [stderr]     Checking chrono v0.4.24
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking file-rotate v0.7.4
[INFO] [stderr]     Checking nmea v0.4.0
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking csv v1.2.1
[INFO] [stderr]     Checking serialport v4.2.1
[INFO] [stderr]     Checking n2o_sensor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.51s
[INFO] running `Command { std: "docker" "inspect" "57f1bc0daf353cbecff309b2137da932cd96726d3b9f96c376ba49f63c20ba08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57f1bc0daf353cbecff309b2137da932cd96726d3b9f96c376ba49f63c20ba08", kill_on_drop: false }`
[INFO] [stdout] 57f1bc0daf353cbecff309b2137da932cd96726d3b9f96c376ba49f63c20ba08