[INFO] fetching crate wiener_utils 0.1.1...
[INFO] checking wiener_utils-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate wiener_utils 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate wiener_utils 0.1.1 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 wiener_utils 0.1.1
[INFO] finished tweaking crates.io crate wiener_utils 0.1.1
[INFO] tweaked toml for crates.io crate wiener_utils 0.1.1 written to /workspace/builds/worker-3-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 69 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding env_logger v0.10.2 (latest: v0.11.3)
[INFO] [stderr]       Adding image v0.24.9 (latest: v0.25.1)
[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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8ac443210dd5d3b137cf47e1b702be4ccadf3b5649e84f70fb1912ecb40f486c
[INFO] running `Command { std: "docker" "start" "-a" "8ac443210dd5d3b137cf47e1b702be4ccadf3b5649e84f70fb1912ecb40f486c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ac443210dd5d3b137cf47e1b702be4ccadf3b5649e84f70fb1912ecb40f486c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ac443210dd5d3b137cf47e1b702be4ccadf3b5649e84f70fb1912ecb40f486c", kill_on_drop: false }`
[INFO] [stdout] 8ac443210dd5d3b137cf47e1b702be4ccadf3b5649e84f70fb1912ecb40f486c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9f5b3d7044e230e603dd4d3f4819eac6c8b04739b48ee730af129a302716e831
[INFO] running `Command { std: "docker" "start" "-a" "9f5b3d7044e230e603dd4d3f4819eac6c8b04739b48ee730af129a302716e831", kill_on_drop: false }`
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking gif v0.13.1
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking num-bigint v0.4.4
[INFO] [stderr]     Checking exr v1.72.0
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking num-rational v0.4.1
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking wiener_utils v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `image` is imported redundantly
[INFO] [stdout]  --> src/image.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use image;
[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: the item `log` is imported redundantly
[INFO] [stdout]  --> src/image.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log;
[INFO] [stdout]   |     ^^^ the item `log` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `image` is imported redundantly
[INFO] [stdout]  --> src/image.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use image;
[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: the item `log` is imported redundantly
[INFO] [stdout]  --> src/image.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log;
[INFO] [stdout]   |     ^^^ the item `log` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.71s
[INFO] running `Command { std: "docker" "inspect" "9f5b3d7044e230e603dd4d3f4819eac6c8b04739b48ee730af129a302716e831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f5b3d7044e230e603dd4d3f4819eac6c8b04739b48ee730af129a302716e831", kill_on_drop: false }`
[INFO] [stdout] 9f5b3d7044e230e603dd4d3f4819eac6c8b04739b48ee730af129a302716e831
[INFO] checking wiener_utils-0.1.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate wiener_utils 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate wiener_utils 0.1.1 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 wiener_utils 0.1.1
[INFO] finished tweaking crates.io crate wiener_utils 0.1.1
[INFO] tweaked toml for crates.io crate wiener_utils 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 74eda8f0476e1c6d837adedac34dc707a2e89b199d3c844139b22f2ea0eebe6c
[INFO] running `Command { std: "docker" "start" "-a" "74eda8f0476e1c6d837adedac34dc707a2e89b199d3c844139b22f2ea0eebe6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74eda8f0476e1c6d837adedac34dc707a2e89b199d3c844139b22f2ea0eebe6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74eda8f0476e1c6d837adedac34dc707a2e89b199d3c844139b22f2ea0eebe6c", kill_on_drop: false }`
[INFO] [stdout] 74eda8f0476e1c6d837adedac34dc707a2e89b199d3c844139b22f2ea0eebe6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a6023fda40be2503e29469a2c8af79b6e4631fff42c592e1d4ac8415045cc72d
[INFO] running `Command { std: "docker" "start" "-a" "a6023fda40be2503e29469a2c8af79b6e4631fff42c592e1d4ac8415045cc72d", kill_on_drop: false }`
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking gif v0.13.1
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking exr v1.72.0
[INFO] [stderr]     Checking num-bigint v0.4.4
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking num-rational v0.4.1
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking wiener_utils v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `image` is imported redundantly
[INFO] [stdout]  --> src/image.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use image;
[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: the item `log` is imported redundantly
[INFO] [stdout]  --> src/image.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log;
[INFO] [stdout]   |     ^^^ the item `log` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `image` is imported redundantly
[INFO] [stdout]  --> src/image.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use image;
[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: the item `log` is imported redundantly
[INFO] [stdout]  --> src/image.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log;
[INFO] [stdout]   |     ^^^ the item `log` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.79s
[INFO] running `Command { std: "docker" "inspect" "a6023fda40be2503e29469a2c8af79b6e4631fff42c592e1d4ac8415045cc72d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6023fda40be2503e29469a2c8af79b6e4631fff42c592e1d4ac8415045cc72d", kill_on_drop: false }`
[INFO] [stdout] a6023fda40be2503e29469a2c8af79b6e4631fff42c592e1d4ac8415045cc72d