[INFO] fetching crate ntro 0.3.4...
[INFO] checking ntro-0.3.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ntro 0.3.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ntro 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 ntro 0.3.4
[INFO] finished tweaking crates.io crate ntro 0.3.4
[INFO] tweaked toml for crates.io crate ntro 0.3.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate ntro 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple_logger v4.2.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.44
[INFO] [stderr]   Downloaded thiserror v1.0.44
[INFO] [stderr]   Downloaded colored v2.0.4
[INFO] [stderr]   Downloaded time-macros v0.2.10
[INFO] [stderr]   Downloaded kqueue-sys v1.0.3
[INFO] [stderr]   Downloaded equivalent v1.0.0
[INFO] [stderr]   Downloaded anstyle-wincon v1.0.1
[INFO] [stderr]   Downloaded filetime v0.2.21
[INFO] [stderr]   Downloaded kqueue v1.0.7
[INFO] [stderr]   Downloaded errno v0.3.1
[INFO] [stderr]   Downloaded console v0.15.7
[INFO] [stderr]   Downloaded clap_derive v4.3.2
[INFO] [stderr]   Downloaded notify v6.0.1
[INFO] [stderr]   Downloaded similar v2.2.1
[INFO] [stderr]   Downloaded anyhow v1.0.72
[INFO] [stderr]   Downloaded clap v4.3.11
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.8
[INFO] [stderr]   Downloaded serde_yaml v0.9.22
[INFO] [stderr]   Downloaded time v0.3.23
[INFO] [stderr]   Downloaded bitflags v2.3.3
[INFO] [stderr]   Downloaded serde_json v1.0.103
[INFO] [stderr]   Downloaded clap_builder v4.3.11
[INFO] [stderr]   Downloaded rustix v0.38.3
[INFO] [stderr]   Downloaded insta v1.30.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.3
[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] 27ca07c0b8d7ccc7761f6b08caa028dfff43402b97e459a50e48f1d4a96ee697
[INFO] running `Command { std: "docker" "start" "-a" "27ca07c0b8d7ccc7761f6b08caa028dfff43402b97e459a50e48f1d4a96ee697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27ca07c0b8d7ccc7761f6b08caa028dfff43402b97e459a50e48f1d4a96ee697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27ca07c0b8d7ccc7761f6b08caa028dfff43402b97e459a50e48f1d4a96ee697", kill_on_drop: false }`
[INFO] [stdout] 27ca07c0b8d7ccc7761f6b08caa028dfff43402b97e459a50e48f1d4a96ee697
[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] f6f4ad3a4557991f29ef1d30232eaff1159a4f4829861e046c7535738eb5cedf
[INFO] running `Command { std: "docker" "start" "-a" "f6f4ad3a4557991f29ef1d30232eaff1159a4f4829861e046c7535738eb5cedf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling rustix v0.38.3
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]    Compiling serde v1.0.167
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking equivalent v1.0.0
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling time-macros v0.2.10
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]    Compiling serde_json v1.0.103
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking unsafe-libyaml v0.2.8
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking similar v2.2.1
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking colored v2.0.4
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking filetime v0.2.21
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking which v4.4.0
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking clap_builder v4.3.11
[INFO] [stderr]     Checking insta v1.30.0
[INFO] [stderr]     Checking notify v6.0.1
[INFO] [stderr]     Checking time v0.3.23
[INFO] [stderr]     Checking simple_logger v4.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.167
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]     Checking clap v4.3.11
[INFO] [stderr]     Checking clap_complete v4.3.2
[INFO] [stderr]     Checking serde_yaml v0.9.22
[INFO] [stderr]     Checking ntro v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/dotenv/parse.rs:43:29
[INFO] [stdout]    |
[INFO] [stdout] 43 |         Ident(&'source str, usize),
[INFO] [stdout]    |         -----               ^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 43 |         Ident(&'source str, ()),
[INFO] [stdout]    |                             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/dotenv/parse.rs:43:29
[INFO] [stdout]    |
[INFO] [stdout] 43 |         Ident(&'source str, usize),
[INFO] [stdout]    |         -----               ^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 43 |         Ident(&'source str, ()),
[INFO] [stdout]    |                             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.76s
[INFO] running `Command { std: "docker" "inspect" "f6f4ad3a4557991f29ef1d30232eaff1159a4f4829861e046c7535738eb5cedf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6f4ad3a4557991f29ef1d30232eaff1159a4f4829861e046c7535738eb5cedf", kill_on_drop: false }`
[INFO] [stdout] f6f4ad3a4557991f29ef1d30232eaff1159a4f4829861e046c7535738eb5cedf
[INFO] checking ntro-0.3.4 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate ntro 0.3.4 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate ntro 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 ntro 0.3.4
[INFO] finished tweaking crates.io crate ntro 0.3.4
[INFO] tweaked toml for crates.io crate ntro 0.3.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate ntro 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] [stderr]     Blocking waiting for file lock on package cache
[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] 46ddd5cbc95e2fb3ce803b51b1c1a2b2f2452b319ecfafcbee6260ac30da2fcb
[INFO] running `Command { std: "docker" "start" "-a" "46ddd5cbc95e2fb3ce803b51b1c1a2b2f2452b319ecfafcbee6260ac30da2fcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46ddd5cbc95e2fb3ce803b51b1c1a2b2f2452b319ecfafcbee6260ac30da2fcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46ddd5cbc95e2fb3ce803b51b1c1a2b2f2452b319ecfafcbee6260ac30da2fcb", kill_on_drop: false }`
[INFO] [stdout] 46ddd5cbc95e2fb3ce803b51b1c1a2b2f2452b319ecfafcbee6260ac30da2fcb
[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] 51964438a23f027b293a18a286f2499c4adbfa14a36fac956ba5ca82b9620ab0
[INFO] running `Command { std: "docker" "start" "-a" "51964438a23f027b293a18a286f2499c4adbfa14a36fac956ba5ca82b9620ab0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling rustix v0.38.3
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]    Compiling serde v1.0.167
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking equivalent v1.0.0
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]    Compiling time-macros v0.2.10
[INFO] [stderr]    Compiling serde_json v1.0.103
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking unsafe-libyaml v0.2.8
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking similar v2.2.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking filetime v0.2.21
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking which v4.4.0
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking colored v2.0.4
[INFO] [stderr]     Checking clap_builder v4.3.11
[INFO] [stderr]     Checking insta v1.30.0
[INFO] [stderr]     Checking notify v6.0.1
[INFO] [stderr]     Checking time v0.3.23
[INFO] [stderr]     Checking simple_logger v4.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.167
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]     Checking clap v4.3.11
[INFO] [stderr]     Checking clap_complete v4.3.2
[INFO] [stderr]     Checking serde_yaml v0.9.22
[INFO] [stderr]     Checking ntro v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/dotenv/parse.rs:43:29
[INFO] [stdout]    |
[INFO] [stdout] 43 |         Ident(&'source str, usize),
[INFO] [stdout]    |         -----               ^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 43 |         Ident(&'source str, ()),
[INFO] [stdout]    |                             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/dotenv/parse.rs:43:29
[INFO] [stdout]    |
[INFO] [stdout] 43 |         Ident(&'source str, usize),
[INFO] [stdout]    |         -----               ^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 43 |         Ident(&'source str, ()),
[INFO] [stdout]    |                             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.19s
[INFO] running `Command { std: "docker" "inspect" "51964438a23f027b293a18a286f2499c4adbfa14a36fac956ba5ca82b9620ab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51964438a23f027b293a18a286f2499c4adbfa14a36fac956ba5ca82b9620ab0", kill_on_drop: false }`
[INFO] [stdout] 51964438a23f027b293a18a286f2499c4adbfa14a36fac956ba5ca82b9620ab0