[INFO] cloning repository https://github.com/sbaudlr/grogu-animatronic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sbaudlr/grogu-animatronic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbaudlr%2Fgrogu-animatronic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbaudlr%2Fgrogu-animatronic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 038c9aed3779b2f1a32fd6e3bcc68393c6ed86e8
[INFO] checking sbaudlr/grogu-animatronic against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbaudlr%2Fgrogu-animatronic" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sbaudlr/grogu-animatronic 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/sbaudlr/grogu-animatronic
[INFO] finished tweaking git repo https://github.com/sbaudlr/grogu-animatronic
[INFO] tweaked toml for git repo https://github.com/sbaudlr/grogu-animatronic written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sbaudlr/grogu-animatronic 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]  Downloading crates ...
[INFO] [stderr]   Downloaded gilrs-core v0.5.1
[INFO] [stderr]   Downloaded uuid v1.2.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.47
[INFO] [stderr]   Downloaded gilrs v0.10.1
[INFO] [stderr]   Downloaded nix v0.25.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 72c3073ba9ccbaa6bafa06d69cd4e99035ebcc7f6313f5d4a0c9c2ce0283a64b
[INFO] running `Command { std: "docker" "start" "-a" "72c3073ba9ccbaa6bafa06d69cd4e99035ebcc7f6313f5d4a0c9c2ce0283a64b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72c3073ba9ccbaa6bafa06d69cd4e99035ebcc7f6313f5d4a0c9c2ce0283a64b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72c3073ba9ccbaa6bafa06d69cd4e99035ebcc7f6313f5d4a0c9c2ce0283a64b", kill_on_drop: false }`
[INFO] [stdout] 72c3073ba9ccbaa6bafa06d69cd4e99035ebcc7f6313f5d4a0c9c2ce0283a64b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 95a09ecd319ff397abf420dd6b8aa325bad2d608fae8d92bfa74638a34cae793
[INFO] running `Command { std: "docker" "start" "-a" "95a09ecd319ff397abf420dd6b8aa325bad2d608fae8d92bfa74638a34cae793", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking uuid v1.2.2
[INFO] [stderr]    Compiling gilrs v0.10.1
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking nix v0.25.0
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking nix v0.24.2
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking gilrs-core v0.5.1
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]     Checking serialport v4.2.0
[INFO] [stderr]     Checking grogu-animatronic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `BufWriter`, `thread`
[INFO] [stdout]  --> src/main.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{BufRead, BufReader, BufWriter, Write},
[INFO] [stdout]   |          ^^^^^^^  ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 3 |     thread,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Parity`
[INFO] [stdout]  --> src/main.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serialport::{Parity, SerialPort, StopBits};
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `BufWriter`, `thread`
[INFO] [stdout]  --> src/main.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{BufRead, BufReader, BufWriter, Write},
[INFO] [stdout]   |          ^^^^^^^  ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 3 |     thread,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Parity`
[INFO] [stdout]  --> src/main.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serialport::{Parity, SerialPort, StopBits};
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.83s
[INFO] running `Command { std: "docker" "inspect" "95a09ecd319ff397abf420dd6b8aa325bad2d608fae8d92bfa74638a34cae793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95a09ecd319ff397abf420dd6b8aa325bad2d608fae8d92bfa74638a34cae793", kill_on_drop: false }`
[INFO] [stdout] 95a09ecd319ff397abf420dd6b8aa325bad2d608fae8d92bfa74638a34cae793
[INFO] checking sbaudlr/grogu-animatronic against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbaudlr%2Fgrogu-animatronic" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sbaudlr/grogu-animatronic 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/sbaudlr/grogu-animatronic
[INFO] finished tweaking git repo https://github.com/sbaudlr/grogu-animatronic
[INFO] tweaked toml for git repo https://github.com/sbaudlr/grogu-animatronic written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sbaudlr/grogu-animatronic 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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74f739513f9b652905f487954d13657a31dfd0189cbbf698f7a45c9fad4f487d
[INFO] running `Command { std: "docker" "start" "-a" "74f739513f9b652905f487954d13657a31dfd0189cbbf698f7a45c9fad4f487d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74f739513f9b652905f487954d13657a31dfd0189cbbf698f7a45c9fad4f487d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74f739513f9b652905f487954d13657a31dfd0189cbbf698f7a45c9fad4f487d", kill_on_drop: false }`
[INFO] [stdout] 74f739513f9b652905f487954d13657a31dfd0189cbbf698f7a45c9fad4f487d
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd7a4911163e076a5c8e8189aaee28b4a42a43acbd7976391fb42c195721ea66
[INFO] running `Command { std: "docker" "start" "-a" "fd7a4911163e076a5c8e8189aaee28b4a42a43acbd7976391fb42c195721ea66", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking uuid v1.2.2
[INFO] [stderr]    Compiling gilrs v0.10.1
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking nix v0.25.0
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking nix v0.24.2
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]     Checking gilrs-core v0.5.1
[INFO] [stderr]     Checking serialport v4.2.0
[INFO] [stderr]     Checking grogu-animatronic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `BufWriter`, `thread`
[INFO] [stdout]  --> src/main.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{BufRead, BufReader, BufWriter, Write},
[INFO] [stdout]   |          ^^^^^^^  ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 3 |     thread,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `BufWriter`, `thread`
[INFO] [stdout]  --> src/main.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{BufRead, BufReader, BufWriter, Write},
[INFO] [stdout]   |          ^^^^^^^  ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 3 |     thread,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Parity`
[INFO] [stdout]  --> src/main.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serialport::{Parity, SerialPort, StopBits};
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Parity`
[INFO] [stdout]  --> src/main.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serialport::{Parity, SerialPort, StopBits};
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.42s
[INFO] running `Command { std: "docker" "inspect" "fd7a4911163e076a5c8e8189aaee28b4a42a43acbd7976391fb42c195721ea66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd7a4911163e076a5c8e8189aaee28b4a42a43acbd7976391fb42c195721ea66", kill_on_drop: false }`
[INFO] [stdout] fd7a4911163e076a5c8e8189aaee28b4a42a43acbd7976391fb42c195721ea66