[INFO] cloning repository https://github.com/vzarytovskii/wat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vzarytovskii/wat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvzarytovskii%2Fwat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvzarytovskii%2Fwat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca4b48d5f8408c0685515faa0139b4a4503e670a
[INFO] checking vzarytovskii/wat against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvzarytovskii%2Fwat" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vzarytovskii/wat 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] removed /workspace/builds/worker-0-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/vzarytovskii/wat
[INFO] finished tweaking git repo https://github.com/vzarytovskii/wat
[INFO] tweaked toml for git repo https://github.com/vzarytovskii/wat written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/vzarytovskii/wat 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 enum-display v0.1.3
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[INFO] [stderr]   Downloaded object v0.30.3
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[INFO] [stderr]   Downloaded inventory v0.3.14
[INFO] [stderr]   Downloaded drawille v0.3.0
[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] 81fd74313b7477e9d0ea2291313027b3b1968d558f69421d0c5120d874f3d371
[INFO] running `Command { std: "docker" "start" "-a" "81fd74313b7477e9d0ea2291313027b3b1968d558f69421d0c5120d874f3d371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81fd74313b7477e9d0ea2291313027b3b1968d558f69421d0c5120d874f3d371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81fd74313b7477e9d0ea2291313027b3b1968d558f69421d0c5120d874f3d371", kill_on_drop: false }`
[INFO] [stdout] 81fd74313b7477e9d0ea2291313027b3b1968d558f69421d0c5120d874f3d371
[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] 2b5947a982c7145da83c425ca0a4f3a50428e0eeff80992ed66bf170ce3c6dbd
[INFO] running `Command { std: "docker" "start" "-a" "2b5947a982c7145da83c425ca0a4f3a50428e0eeff80992ed66bf170ce3c6dbd", kill_on_drop: false }`
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[INFO] [stderr]     Checking futures-executor v0.3.30
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[INFO] [stderr]     Checking wat v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `bwdraw::DuoPixel`
[INFO] [stdout]  --> src/analyzers/bytes_distribution/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bwdraw::DuoPixel;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bwdraw::DuoPixel`
[INFO] [stdout]  --> src/analyzers/bytes_distribution/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bwdraw::DuoPixel;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MimeTypeHandler` is never used
[INFO] [stdout]  --> src/analyzers/file_mime_type/mime_types.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(super) trait MimeTypeHandler {
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MzMimeTypeHandler` is never constructed
[INFO] [stdout]  --> src/analyzers/file_mime_type/mz_mime_type_handler.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(super) struct MzMimeTypeHandler;
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MimeTypeHandler` is never used
[INFO] [stdout]  --> src/analyzers/file_mime_type/mime_types.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(super) trait MimeTypeHandler {
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MzMimeTypeHandler` is never constructed
[INFO] [stdout]  --> src/analyzers/file_mime_type/mz_mime_type_handler.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(super) struct MzMimeTypeHandler;
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "2b5947a982c7145da83c425ca0a4f3a50428e0eeff80992ed66bf170ce3c6dbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b5947a982c7145da83c425ca0a4f3a50428e0eeff80992ed66bf170ce3c6dbd", kill_on_drop: false }`
[INFO] [stdout] 2b5947a982c7145da83c425ca0a4f3a50428e0eeff80992ed66bf170ce3c6dbd