[INFO] fetching crate image-recovery 0.3.1...
[INFO] checking image-recovery-0.3.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate image-recovery 0.3.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate image-recovery 0.3.1 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 image-recovery 0.3.1
[INFO] finished tweaking crates.io crate image-recovery 0.3.1
[INFO] tweaked toml for crates.io crate image-recovery 0.3.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate image-recovery 0.3.1 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 matrixmultiply v0.3.7
[INFO] [stderr]   Downloaded flate2 v1.0.26
[INFO] [stderr]   Downloaded bytemuck v1.13.1
[INFO] [stderr]   Downloaded pin-project-internal v1.1.2
[INFO] [stderr]   Downloaded pin-project v1.1.2
[INFO] [stderr]   Downloaded image v0.24.6
[INFO] [stderr]   Downloaded tiff v0.8.1
[INFO] [stderr]   Downloaded exr v1.7.0
[INFO] [stderr]   Downloaded png v0.17.9
[INFO] [stderr]   Downloaded thread-tree v0.3.3
[INFO] [stderr]   Downloaded simd-adler32 v0.3.5
[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] 5876a57f6556b7e5f1e1e8245d959f33117511523baa95493f25441d41faf299
[INFO] running `Command { std: "docker" "start" "-a" "5876a57f6556b7e5f1e1e8245d959f33117511523baa95493f25441d41faf299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5876a57f6556b7e5f1e1e8245d959f33117511523baa95493f25441d41faf299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5876a57f6556b7e5f1e1e8245d959f33117511523baa95493f25441d41faf299", kill_on_drop: false }`
[INFO] [stdout] 5876a57f6556b7e5f1e1e8245d959f33117511523baa95493f25441d41faf299
[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] 73fc4efeaa7f168fd438f0b672a5ba1ccfbd470cf702a1357b74120a5150abe6
[INFO] running `Command { std: "docker" "start" "-a" "73fc4efeaa7f168fd438f0b672a5ba1ccfbd470cf702a1357b74120a5150abe6", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]     Checking simd-adler32 v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling quote v1.0.31
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking half v2.2.1
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]    Compiling syn v2.0.26
[INFO] [stderr]     Checking fdeflate v0.3.0
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking thread-tree v0.3.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking png v0.17.9
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]    Compiling pin-project-internal v1.1.2
[INFO] [stderr]     Checking jpeg-decoder v0.3.0
[INFO] [stderr]     Checking tiff v0.8.1
[INFO] [stderr]     Checking pin-project v1.1.2
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking exr v1.7.0
[INFO] [stderr]     Checking image v0.24.6
[INFO] [stderr]     Checking image-recovery v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `image` is imported redundantly
[INFO] [stdout]  --> examples/denoise.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     image,      // re-exported `image` crate
[INFO] [stdout]   |     ^^^^^ the item `image` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.04s
[INFO] running `Command { std: "docker" "inspect" "73fc4efeaa7f168fd438f0b672a5ba1ccfbd470cf702a1357b74120a5150abe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73fc4efeaa7f168fd438f0b672a5ba1ccfbd470cf702a1357b74120a5150abe6", kill_on_drop: false }`
[INFO] [stdout] 73fc4efeaa7f168fd438f0b672a5ba1ccfbd470cf702a1357b74120a5150abe6
[INFO] checking image-recovery-0.3.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate image-recovery 0.3.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate image-recovery 0.3.1 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 image-recovery 0.3.1
[INFO] finished tweaking crates.io crate image-recovery 0.3.1
[INFO] tweaked toml for crates.io crate image-recovery 0.3.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate image-recovery 0.3.1 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-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] 7945a8b2988ccd3930c3e2735ddef5bd5531d73be5cbb6c20d0bc8c6a0c25b63
[INFO] running `Command { std: "docker" "start" "-a" "7945a8b2988ccd3930c3e2735ddef5bd5531d73be5cbb6c20d0bc8c6a0c25b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7945a8b2988ccd3930c3e2735ddef5bd5531d73be5cbb6c20d0bc8c6a0c25b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7945a8b2988ccd3930c3e2735ddef5bd5531d73be5cbb6c20d0bc8c6a0c25b63", kill_on_drop: false }`
[INFO] [stdout] 7945a8b2988ccd3930c3e2735ddef5bd5531d73be5cbb6c20d0bc8c6a0c25b63
[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] 5a7d39779de5c7be9f261a7e10c59e17d85fd65ef542ef4ad225c345d4983b2f
[INFO] running `Command { std: "docker" "start" "-a" "5a7d39779de5c7be9f261a7e10c59e17d85fd65ef542ef4ad225c345d4983b2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]     Checking simd-adler32 v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling quote v1.0.31
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking fdeflate v0.3.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking half v2.2.1
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling syn v2.0.26
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking png v0.17.9
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking thread-tree v0.3.3
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking jpeg-decoder v0.3.0
[INFO] [stderr]     Checking tiff v0.8.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.2
[INFO] [stderr]     Checking pin-project v1.1.2
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking exr v1.7.0
[INFO] [stderr]     Checking image v0.24.6
[INFO] [stderr]     Checking image-recovery v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `image` is imported redundantly
[INFO] [stdout]  --> examples/denoise.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     image,      // re-exported `image` crate
[INFO] [stdout]   |     ^^^^^ the item `image` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.14s
[INFO] running `Command { std: "docker" "inspect" "5a7d39779de5c7be9f261a7e10c59e17d85fd65ef542ef4ad225c345d4983b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a7d39779de5c7be9f261a7e10c59e17d85fd65ef542ef4ad225c345d4983b2f", kill_on_drop: false }`
[INFO] [stdout] 5a7d39779de5c7be9f261a7e10c59e17d85fd65ef542ef4ad225c345d4983b2f