[INFO] fetching crate zproto 0.3.4...
[INFO] checking zproto-0.3.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate zproto 0.3.4 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate zproto 0.3.4 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 zproto 0.3.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate zproto 0.3.4
[INFO] tweaked toml for crates.io crate zproto 0.3.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate zproto 0.3.4 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 serialport v4.2.2
[INFO] [stderr]   Downloaded libudev v0.3.0
[INFO] [stderr]   Downloaded simple_logger v4.2.0
[INFO] [stderr]   Downloaded bitflags v2.0.2
[INFO] [stderr]   Downloaded trybuild v1.0.85
[INFO] [stderr]   Downloaded mach2 v0.4.1
[INFO] [stderr]   Downloaded rustix v0.37.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] bcfde3acf96ccac204964a0bea9d15cf33a5436e164e534a79ca4c920108ddba
[INFO] running `Command { std: "docker" "start" "-a" "bcfde3acf96ccac204964a0bea9d15cf33a5436e164e534a79ca4c920108ddba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcfde3acf96ccac204964a0bea9d15cf33a5436e164e534a79ca4c920108ddba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcfde3acf96ccac204964a0bea9d15cf33a5436e164e534a79ca4c920108ddba", kill_on_drop: false }`
[INFO] [stdout] bcfde3acf96ccac204964a0bea9d15cf33a5436e164e534a79ca4c920108ddba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 261bc45cb5ca1be02878d9c3ebf1d9face0857ebe6495a0cc308d521be44482f
[INFO] running `Command { std: "docker" "start" "-a" "261bc45cb5ca1be02878d9c3ebf1d9face0857ebe6495a0cc308d521be44482f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.37.24
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]    Compiling time-macros v0.2.15
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking deranged v0.3.8
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking bitflags v2.0.2
[INFO] [stderr]    Compiling trybuild v1.0.85
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking time v0.3.29
[INFO] [stderr]     Checking serialport v4.2.2
[INFO] [stderr]     Checking zproto v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/ascii/port.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     convert::TryFrom,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking is-terminal v0.4.7
[INFO] [stderr]     Checking colored v2.0.4
[INFO] [stderr]     Checking simple_logger v4.2.0
[INFO] [stderr]     Checking basic-toml v0.1.4
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/ascii/port.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     convert::TryFrom,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Reply` is imported redundantly
[INFO] [stdout]    --> src/ascii/response/check.rs:675:39
[INFO] [stdout]     |
[INFO] [stdout] 674 |     use super::*;
[INFO] [stdout]     |         -------- the item `Reply` is already imported here
[INFO] [stdout] 675 |     use crate::ascii::{parse::Packet, Reply};
[INFO] [stdout]     |                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.73s
[INFO] running `Command { std: "docker" "inspect" "261bc45cb5ca1be02878d9c3ebf1d9face0857ebe6495a0cc308d521be44482f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "261bc45cb5ca1be02878d9c3ebf1d9face0857ebe6495a0cc308d521be44482f", kill_on_drop: false }`
[INFO] [stdout] 261bc45cb5ca1be02878d9c3ebf1d9face0857ebe6495a0cc308d521be44482f
[INFO] checking zproto-0.3.4 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate zproto 0.3.4 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate zproto 0.3.4 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 zproto 0.3.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate zproto 0.3.4
[INFO] tweaked toml for crates.io crate zproto 0.3.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate zproto 0.3.4 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e1c8a2031d853153423b8cabe51a630dd1230e31bc3f4fff6af4d56b729be7ec
[INFO] running `Command { std: "docker" "start" "-a" "e1c8a2031d853153423b8cabe51a630dd1230e31bc3f4fff6af4d56b729be7ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1c8a2031d853153423b8cabe51a630dd1230e31bc3f4fff6af4d56b729be7ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1c8a2031d853153423b8cabe51a630dd1230e31bc3f4fff6af4d56b729be7ec", kill_on_drop: false }`
[INFO] [stdout] e1c8a2031d853153423b8cabe51a630dd1230e31bc3f4fff6af4d56b729be7ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 24de0901144628251b4f7f297746757482952fa182559b17ca88c7120896e0f5
[INFO] running `Command { std: "docker" "start" "-a" "24de0901144628251b4f7f297746757482952fa182559b17ca88c7120896e0f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling rustix v0.37.24
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]    Compiling time-macros v0.2.15
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking deranged v0.3.8
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking bitflags v2.0.2
[INFO] [stderr]    Compiling trybuild v1.0.85
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking serialport v4.2.2
[INFO] [stderr]     Checking zproto v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking time v0.3.29
[INFO] [stderr]     Checking is-terminal v0.4.7
[INFO] [stderr]     Checking colored v2.0.4
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/ascii/port.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     convert::TryFrom,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking simple_logger v4.2.0
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking basic-toml v0.1.4
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/ascii/port.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     convert::TryFrom,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Reply` is imported redundantly
[INFO] [stdout]    --> src/ascii/response/check.rs:675:39
[INFO] [stdout]     |
[INFO] [stdout] 674 |     use super::*;
[INFO] [stdout]     |         -------- the item `Reply` is already imported here
[INFO] [stdout] 675 |     use crate::ascii::{parse::Packet, Reply};
[INFO] [stdout]     |                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.36s
[INFO] running `Command { std: "docker" "inspect" "24de0901144628251b4f7f297746757482952fa182559b17ca88c7120896e0f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24de0901144628251b4f7f297746757482952fa182559b17ca88c7120896e0f5", kill_on_drop: false }`
[INFO] [stdout] 24de0901144628251b4f7f297746757482952fa182559b17ca88c7120896e0f5