[INFO] fetching crate toledo 0.1.1...
[INFO] checking toledo-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate toledo 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate toledo 0.1.1 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 toledo 0.1.1
[INFO] finished tweaking crates.io crate toledo 0.1.1
[INFO] tweaked toml for crates.io crate toledo 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate toledo 0.1.1 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 ascii v1.1.0
[INFO] [stderr]   Downloaded toml v0.8.6
[INFO] [stderr]   Downloaded tiny_http v0.12.0
[INFO] [stderr]   Downloaded bitflags v2.0.2
[INFO] [stderr]   Downloaded serialport v4.2.2
[INFO] [stderr]   Downloaded chunked_transfer v1.4.1
[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] bc1bc69030c5bac0f8bb89978a8c970cd39adef4fd2ac36db24d8abd96ceac47
[INFO] running `Command { std: "docker" "start" "-a" "bc1bc69030c5bac0f8bb89978a8c970cd39adef4fd2ac36db24d8abd96ceac47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc1bc69030c5bac0f8bb89978a8c970cd39adef4fd2ac36db24d8abd96ceac47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc1bc69030c5bac0f8bb89978a8c970cd39adef4fd2ac36db24d8abd96ceac47", kill_on_drop: false }`
[INFO] [stdout] bc1bc69030c5bac0f8bb89978a8c970cd39adef4fd2ac36db24d8abd96ceac47
[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] 8e619cfe212c752c354cb00a990a9740c0754c467b7bd3d0d6e614b3f02566c9
[INFO] running `Command { std: "docker" "start" "-a" "8e619cfe212c752c354cb00a990a9740c0754c467b7bd3d0d6e614b3f02566c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking hashbrown v0.14.2
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking winnow v0.5.17
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]     Checking ascii v1.1.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking chunked_transfer v1.4.1
[INFO] [stderr]     Checking bitflags v2.0.2
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking ascii_converter v0.3.0
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking tiny_http v0.12.0
[INFO] [stderr]     Checking clap_builder v4.4.7
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking indexmap v2.0.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking serialport v4.2.2
[INFO] [stderr]     Checking serde_spanned v0.6.4
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking toml_edit v0.20.7
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]     Checking toml v0.8.6
[INFO] [stderr]     Checking clap v4.4.7
[INFO] [stderr]     Checking toledo v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `toml` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use toml;
[INFO] [stdout]   |     ^^^^ the item `toml` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serialport` is imported redundantly
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use serialport;
[INFO] [stdout]    |     ^^^^^^^^^^ the item `serialport` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `toml` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use toml;
[INFO] [stdout]   |     ^^^^ the item `toml` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serialport` is imported redundantly
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use serialport;
[INFO] [stdout]    |     ^^^^^^^^^^ the item `serialport` is already defined by prelude
[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 7.88s
[INFO] running `Command { std: "docker" "inspect" "8e619cfe212c752c354cb00a990a9740c0754c467b7bd3d0d6e614b3f02566c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e619cfe212c752c354cb00a990a9740c0754c467b7bd3d0d6e614b3f02566c9", kill_on_drop: false }`
[INFO] [stdout] 8e619cfe212c752c354cb00a990a9740c0754c467b7bd3d0d6e614b3f02566c9
[INFO] checking toledo-0.1.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate toledo 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate toledo 0.1.1 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 toledo 0.1.1
[INFO] finished tweaking crates.io crate toledo 0.1.1
[INFO] tweaked toml for crates.io crate toledo 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate toledo 0.1.1 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] df5f7955f3bb2dcfa379887a700bb65aef1e7d12a6b866937bb3b107ab15c75b
[INFO] running `Command { std: "docker" "start" "-a" "df5f7955f3bb2dcfa379887a700bb65aef1e7d12a6b866937bb3b107ab15c75b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df5f7955f3bb2dcfa379887a700bb65aef1e7d12a6b866937bb3b107ab15c75b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df5f7955f3bb2dcfa379887a700bb65aef1e7d12a6b866937bb3b107ab15c75b", kill_on_drop: false }`
[INFO] [stdout] df5f7955f3bb2dcfa379887a700bb65aef1e7d12a6b866937bb3b107ab15c75b
[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] c0d45cc834e8de1bcd7d6ff7ec98687566a6082792d46f5b7e2fdd599005410b
[INFO] running `Command { std: "docker" "start" "-a" "c0d45cc834e8de1bcd7d6ff7ec98687566a6082792d46f5b7e2fdd599005410b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking hashbrown v0.14.2
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking winnow v0.5.17
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]     Checking ascii v1.1.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking bitflags v2.0.2
[INFO] [stderr]     Checking chunked_transfer v1.4.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking ascii_converter v0.3.0
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking tiny_http v0.12.0
[INFO] [stderr]     Checking clap_builder v4.4.7
[INFO] [stderr]     Checking indexmap v2.0.2
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking serialport v4.2.2
[INFO] [stderr]     Checking serde_spanned v0.6.4
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking toml_edit v0.20.7
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]     Checking toml v0.8.6
[INFO] [stderr]     Checking clap v4.4.7
[INFO] [stderr]     Checking toledo v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `toml` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use toml;
[INFO] [stdout]   |     ^^^^ the item `toml` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serialport` is imported redundantly
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use serialport;
[INFO] [stdout]    |     ^^^^^^^^^^ the item `serialport` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `toml` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use toml;
[INFO] [stdout]   |     ^^^^ the item `toml` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serialport` is imported redundantly
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use serialport;
[INFO] [stdout]    |     ^^^^^^^^^^ the item `serialport` is already defined by prelude
[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 8.21s
[INFO] running `Command { std: "docker" "inspect" "c0d45cc834e8de1bcd7d6ff7ec98687566a6082792d46f5b7e2fdd599005410b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0d45cc834e8de1bcd7d6ff7ec98687566a6082792d46f5b7e2fdd599005410b", kill_on_drop: false }`
[INFO] [stdout] c0d45cc834e8de1bcd7d6ff7ec98687566a6082792d46f5b7e2fdd599005410b