[INFO] cloning repository https://github.com/swlkr/hotdog_notdog
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/swlkr/hotdog_notdog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswlkr%2Fhotdog_notdog", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswlkr%2Fhotdog_notdog'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77e8f8ebfdecec37fd7c6d87cb014162af44454d
[INFO] checking swlkr/hotdog_notdog against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswlkr%2Fhotdog_notdog" "/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/swlkr/hotdog_notdog 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 git repo https://github.com/swlkr/hotdog_notdog
[INFO] finished tweaking git repo https://github.com/swlkr/hotdog_notdog
[INFO] tweaked toml for git repo https://github.com/swlkr/hotdog_notdog written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/swlkr/hotdog_notdog 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]     Blocking waiting for file lock on package cache
[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] 13286f950400afcebdf11480532668968b58ecf310ae1cfedc9d4a6ae2208b4a
[INFO] running `Command { std: "docker" "start" "-a" "13286f950400afcebdf11480532668968b58ecf310ae1cfedc9d4a6ae2208b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13286f950400afcebdf11480532668968b58ecf310ae1cfedc9d4a6ae2208b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13286f950400afcebdf11480532668968b58ecf310ae1cfedc9d4a6ae2208b4a", kill_on_drop: false }`
[INFO] [stdout] 13286f950400afcebdf11480532668968b58ecf310ae1cfedc9d4a6ae2208b4a
[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] cc21583e3587663f5c2b669a7074fc7c3bd8526f9cd4094a8149d9f0bb8e3e79
[INFO] running `Command { std: "docker" "start" "-a" "cc21583e3587663f5c2b669a7074fc7c3bd8526f9cd4094a8149d9f0bb8e3e79", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling rustls v0.21.8
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking webpki-roots v0.25.2
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling ring v0.17.5
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking ureq v2.8.0
[INFO] [stderr]     Checking hotdog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let response = hotdog_or_not_hotdog(&encoded)?;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let response = hotdog_or_not_hotdog(&encoded)?;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.46s
[INFO] running `Command { std: "docker" "inspect" "cc21583e3587663f5c2b669a7074fc7c3bd8526f9cd4094a8149d9f0bb8e3e79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc21583e3587663f5c2b669a7074fc7c3bd8526f9cd4094a8149d9f0bb8e3e79", kill_on_drop: false }`
[INFO] [stdout] cc21583e3587663f5c2b669a7074fc7c3bd8526f9cd4094a8149d9f0bb8e3e79
[INFO] checking swlkr/hotdog_notdog against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswlkr%2Fhotdog_notdog" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/swlkr/hotdog_notdog 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 git repo https://github.com/swlkr/hotdog_notdog
[INFO] finished tweaking git repo https://github.com/swlkr/hotdog_notdog
[INFO] tweaked toml for git repo https://github.com/swlkr/hotdog_notdog written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/swlkr/hotdog_notdog 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3a7be4ec1e886b10d43800d3084bccb0c96be0db2a43088710d588ea68210a7d
[INFO] running `Command { std: "docker" "start" "-a" "3a7be4ec1e886b10d43800d3084bccb0c96be0db2a43088710d588ea68210a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a7be4ec1e886b10d43800d3084bccb0c96be0db2a43088710d588ea68210a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a7be4ec1e886b10d43800d3084bccb0c96be0db2a43088710d588ea68210a7d", kill_on_drop: false }`
[INFO] [stdout] 3a7be4ec1e886b10d43800d3084bccb0c96be0db2a43088710d588ea68210a7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 05323456645a9a89b07e59510a61c68ddeb72ae5ed314f911ce00bd93ca01fb6
[INFO] running `Command { std: "docker" "start" "-a" "05323456645a9a89b07e59510a61c68ddeb72ae5ed314f911ce00bd93ca01fb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling rustls v0.21.8
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking webpki-roots v0.25.2
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]    Compiling ring v0.17.5
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking ureq v2.8.0
[INFO] [stderr]     Checking hotdog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let response = hotdog_or_not_hotdog(&encoded)?;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let response = hotdog_or_not_hotdog(&encoded)?;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.54s
[INFO] running `Command { std: "docker" "inspect" "05323456645a9a89b07e59510a61c68ddeb72ae5ed314f911ce00bd93ca01fb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05323456645a9a89b07e59510a61c68ddeb72ae5ed314f911ce00bd93ca01fb6", kill_on_drop: false }`
[INFO] [stdout] 05323456645a9a89b07e59510a61c68ddeb72ae5ed314f911ce00bd93ca01fb6