[INFO] fetching crate ribboned 0.1.0...
[INFO] checking ribboned-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ribboned 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate ribboned 0.1.0 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 ribboned 0.1.0
[INFO] finished tweaking crates.io crate ribboned 0.1.0
[INFO] tweaked toml for crates.io crate ribboned 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate ribboned 0.1.0 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded float-cmp v0.5.3
[INFO] [stderr]   Downloaded unicode-script v0.5.3
[INFO] [stderr]   Downloaded unicode-vo v0.1.0
[INFO] [stderr]   Downloaded xmlwriter v0.1.0
[INFO] [stderr]   Downloaded usvg v0.15.0
[INFO] [stderr]   Downloaded rgb v0.8.27
[INFO] [stderr]   Downloaded svgfilters v0.3.0
[INFO] [stderr]   Downloaded safe_arch v0.5.2
[INFO] [stderr]   Downloaded memmap2 v0.2.3
[INFO] [stderr]   Downloaded libc v0.2.100
[INFO] [stderr]   Downloaded data-url v0.1.0
[INFO] [stderr]   Downloaded fontdb v0.5.4
[INFO] [stderr]   Downloaded kurbo v0.8.0
[INFO] [stderr]   Downloaded rustybuzz v0.3.0
[INFO] [stderr]   Downloaded pico-args v0.4.2
[INFO] [stderr]   Downloaded rctree v0.3.3
[INFO] [stderr]   Downloaded unicode-bidi-mirroring v0.1.0
[INFO] [stderr]   Downloaded unicode-ccc v0.1.2
[INFO] [stderr]   Downloaded unicode-general-category v0.2.0
[INFO] [stderr]   Downloaded simplecss v0.2.1
[INFO] [stderr]   Downloaded ttf-parser v0.12.3
[INFO] [stderr]   Downloaded svgtypes v0.5.0
[INFO] [stderr]   Downloaded svg2appicon v0.1.2
[INFO] [stderr]   Downloaded tiny-skia v0.5.1
[INFO] [stderr]   Downloaded resvg v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] eadf4fc2453270d8a42384dc8420acde4946caf9a86ef2be6d51a659b25e529a
[INFO] running `Command { std: "docker" "start" "-a" "eadf4fc2453270d8a42384dc8420acde4946caf9a86ef2be6d51a659b25e529a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eadf4fc2453270d8a42384dc8420acde4946caf9a86ef2be6d51a659b25e529a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eadf4fc2453270d8a42384dc8420acde4946caf9a86ef2be6d51a659b25e529a", kill_on_drop: false }`
[INFO] [stdout] eadf4fc2453270d8a42384dc8420acde4946caf9a86ef2be6d51a659b25e529a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 29dbd457a05bf393ea2acb62c10c003a9c095b62082ffbacd2a1e713e7b10167
[INFO] running `Command { std: "docker" "start" "-a" "29dbd457a05bf393ea2acb62c10c003a9c095b62082ffbacd2a1e713e7b10167", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling unicode-general-category v0.2.0
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking unicode-bidi-mirroring v0.1.0
[INFO] [stderr]     Checking unicode-script v0.5.3
[INFO] [stderr]     Checking ttf-parser v0.12.3
[INFO] [stderr]     Checking ttf-parser v0.9.0
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking unicode-ccc v0.1.2
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]     Checking data-url v0.1.0
[INFO] [stderr]     Checking simplecss v0.2.1
[INFO] [stderr]     Checking pico-args v0.4.2
[INFO] [stderr]     Checking rgb v0.8.27
[INFO] [stderr]     Checking svgtypes v0.5.0
[INFO] [stderr]     Checking safe_arch v0.5.2
[INFO] [stderr]     Checking roxmltree v0.14.1
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking unicode-vo v0.1.0
[INFO] [stderr]     Checking rctree v0.3.3
[INFO] [stderr]     Checking kurbo v0.8.0
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking xmlwriter v0.1.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking svgfilters v0.3.0
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking memmap2 v0.2.3
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking tiny-skia v0.5.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking fontdb v0.5.4
[INFO] [stderr]     Checking rustybuzz v0.3.0
[INFO] [stderr]     Checking usvg v0.15.0
[INFO] [stderr]     Checking resvg v0.15.0
[INFO] [stderr]     Checking svg2appicon v0.1.2
[INFO] [stderr]     Checking ribboned v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `svg2appicon` is imported redundantly
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use svg2appicon;
[INFO] [stdout]   |     ^^^^^^^^^^^ the item `svg2appicon` 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 `svg2appicon` is imported redundantly
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use svg2appicon;
[INFO] [stdout]   |     ^^^^^^^^^^^ the item `svg2appicon` 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.13s
[INFO] running `Command { std: "docker" "inspect" "29dbd457a05bf393ea2acb62c10c003a9c095b62082ffbacd2a1e713e7b10167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29dbd457a05bf393ea2acb62c10c003a9c095b62082ffbacd2a1e713e7b10167", kill_on_drop: false }`
[INFO] [stdout] 29dbd457a05bf393ea2acb62c10c003a9c095b62082ffbacd2a1e713e7b10167
[INFO] checking ribboned-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate ribboned 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate ribboned 0.1.0 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 ribboned 0.1.0
[INFO] finished tweaking crates.io crate ribboned 0.1.0
[INFO] tweaked toml for crates.io crate ribboned 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate ribboned 0.1.0 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 57bbacdfeb2f20f6c454e4d951bdc289d983168a17085e3e763b0cd872d4c846
[INFO] running `Command { std: "docker" "start" "-a" "57bbacdfeb2f20f6c454e4d951bdc289d983168a17085e3e763b0cd872d4c846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57bbacdfeb2f20f6c454e4d951bdc289d983168a17085e3e763b0cd872d4c846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57bbacdfeb2f20f6c454e4d951bdc289d983168a17085e3e763b0cd872d4c846", kill_on_drop: false }`
[INFO] [stdout] 57bbacdfeb2f20f6c454e4d951bdc289d983168a17085e3e763b0cd872d4c846
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c0f8471bb2758454111a4a965bd9d31c0282770a51cbcb04df984d00fd98d516
[INFO] running `Command { std: "docker" "start" "-a" "c0f8471bb2758454111a4a965bd9d31c0282770a51cbcb04df984d00fd98d516", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling unicode-general-category v0.2.0
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking unicode-ccc v0.1.2
[INFO] [stderr]     Checking ttf-parser v0.9.0
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking ttf-parser v0.12.3
[INFO] [stderr]     Checking unicode-bidi-mirroring v0.1.0
[INFO] [stderr]     Checking unicode-script v0.5.3
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking data-url v0.1.0
[INFO] [stderr]     Checking rgb v0.8.27
[INFO] [stderr]     Checking safe_arch v0.5.2
[INFO] [stderr]     Checking simplecss v0.2.1
[INFO] [stderr]     Checking svgtypes v0.5.0
[INFO] [stderr]     Checking unicode-vo v0.1.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking pico-args v0.4.2
[INFO] [stderr]     Checking xmlwriter v0.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking kurbo v0.8.0
[INFO] [stderr]     Checking roxmltree v0.14.1
[INFO] [stderr]     Checking rctree v0.3.3
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]     Checking svgfilters v0.3.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking memmap2 v0.2.3
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking tiny-skia v0.5.1
[INFO] [stderr]     Checking fontdb v0.5.4
[INFO] [stderr]     Checking rustybuzz v0.3.0
[INFO] [stderr]     Checking usvg v0.15.0
[INFO] [stderr]     Checking resvg v0.15.0
[INFO] [stderr]     Checking svg2appicon v0.1.2
[INFO] [stderr]     Checking ribboned v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `svg2appicon` is imported redundantly
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use svg2appicon;
[INFO] [stdout]   |     ^^^^^^^^^^^ the item `svg2appicon` 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 `svg2appicon` is imported redundantly
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use svg2appicon;
[INFO] [stdout]   |     ^^^^^^^^^^^ the item `svg2appicon` 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.93s
[INFO] running `Command { std: "docker" "inspect" "c0f8471bb2758454111a4a965bd9d31c0282770a51cbcb04df984d00fd98d516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f8471bb2758454111a4a965bd9d31c0282770a51cbcb04df984d00fd98d516", kill_on_drop: false }`
[INFO] [stdout] c0f8471bb2758454111a4a965bd9d31c0282770a51cbcb04df984d00fd98d516