[INFO] fetching crate openjp2 0.3.0...
[INFO] checking openjp2-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate openjp2 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate openjp2 0.3.0 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 openjp2 0.3.0
[INFO] finished tweaking crates.io crate openjp2 0.3.0
[INFO] tweaked toml for crates.io crate openjp2 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding c2rust-bitfields v0.3.0 (latest: v0.18.0)
[INFO] [stderr]       Adding c2rust-bitfields-derive v0.2.1 (latest: v0.18.0)
[INFO] [stderr]       Adding sprintf v0.1.4 (latest: v0.2.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ad40c322b54e879ec72461a727ff56e48d7637ceb89c95aa59fd779fc5959cff
[INFO] running `Command { std: "docker" "start" "-a" "ad40c322b54e879ec72461a727ff56e48d7637ceb89c95aa59fd779fc5959cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad40c322b54e879ec72461a727ff56e48d7637ceb89c95aa59fd779fc5959cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad40c322b54e879ec72461a727ff56e48d7637ceb89c95aa59fd779fc5959cff", kill_on_drop: false }`
[INFO] [stdout] ad40c322b54e879ec72461a727ff56e48d7637ceb89c95aa59fd779fc5959cff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 14584f9825a933d1eab825102ba8b5f939110cfd5a7f1fba63849cfce57971a1
[INFO] running `Command { std: "docker" "start" "-a" "14584f9825a933d1eab825102ba8b5f939110cfd5a7f1fba63849cfce57971a1", kill_on_drop: false }`
[INFO] [stderr]     Checking sprintf v0.1.4
[INFO] [stderr]    Compiling c2rust-bitfields-derive v0.2.1
[INFO] [stderr]     Checking c2rust-bitfields v0.3.0
[INFO] [stderr]     Checking openjp2 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `cio::*`
[INFO] [stdout]    --> src/consts.rs:462:9
[INFO] [stdout]     |
[INFO] [stdout] 462 | pub use cio::*;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `jpip::*`
[INFO] [stdout]    --> src/consts.rs:464:9
[INFO] [stdout]     |
[INFO] [stdout] 464 | pub use jpip::*;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `jp2::*`
[INFO] [stdout]    --> src/consts.rs:466:9
[INFO] [stdout]     |
[INFO] [stdout] 466 | pub use jp2::*;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cio::*`
[INFO] [stdout]    --> src/consts.rs:462:9
[INFO] [stdout]     |
[INFO] [stdout] 462 | pub use cio::*;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `jpip::*`
[INFO] [stdout]    --> src/consts.rs:464:9
[INFO] [stdout]     |
[INFO] [stdout] 464 | pub use jpip::*;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `jp2::*`
[INFO] [stdout]    --> src/consts.rs:466:9
[INFO] [stdout]     |
[INFO] [stdout] 466 | pub use jp2::*;
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `c2rust_bitfields` is imported redundantly
[INFO] [stdout]   --> src/openjpeg.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use ::c2rust_bitfields;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | extern crate c2rust_bitfields;
[INFO] [stdout]    | ------------------------------ the item `c2rust_bitfields` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `c2rust_bitfields` is imported redundantly
[INFO] [stdout]   --> src/openjpeg.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use ::c2rust_bitfields;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | extern crate c2rust_bitfields;
[INFO] [stdout]    | ------------------------------ the item `c2rust_bitfields` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/t1.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use alloc::vec::Vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/t1.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use alloc::vec::Vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.37s
[INFO] running `Command { std: "docker" "inspect" "14584f9825a933d1eab825102ba8b5f939110cfd5a7f1fba63849cfce57971a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14584f9825a933d1eab825102ba8b5f939110cfd5a7f1fba63849cfce57971a1", kill_on_drop: false }`
[INFO] [stdout] 14584f9825a933d1eab825102ba8b5f939110cfd5a7f1fba63849cfce57971a1