[INFO] fetching crate viuer 0.7.1...
[INFO] checking viuer-0.7.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate viuer 0.7.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate viuer 0.7.1 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 viuer 0.7.1
[INFO] finished tweaking crates.io crate viuer 0.7.1
[INFO] tweaked toml for crates.io crate viuer 0.7.1 written to /workspace/builds/worker-6-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 88 packages
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding encode_unicode v0.3.6 (latest: v1.0.0)
[INFO] [stderr]       Adding image v0.24.9 (latest: v0.25.1)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded make-cmd v0.1.0
[INFO] [stderr]   Downloaded sixel-rs v0.3.3
[INFO] [stderr]   Downloaded ansi_colours v1.2.2
[INFO] [stderr]   Downloaded sixel-sys v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b721395e82b10918392fa39650ce2824d3f4c09952b80b1cb8c9eafdc35482d2
[INFO] running `Command { std: "docker" "start" "-a" "b721395e82b10918392fa39650ce2824d3f4c09952b80b1cb8c9eafdc35482d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b721395e82b10918392fa39650ce2824d3f4c09952b80b1cb8c9eafdc35482d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b721395e82b10918392fa39650ce2824d3f4c09952b80b1cb8c9eafdc35482d2", kill_on_drop: false }`
[INFO] [stdout] b721395e82b10918392fa39650ce2824d3f4c09952b80b1cb8c9eafdc35482d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8091e5827b148399934f24ac338249ca2621a95b48fcafb6893516c7517b990c
[INFO] running `Command { std: "docker" "start" "-a" "8091e5827b148399934f24ac338249ca2621a95b48fcafb6893516c7517b990c", kill_on_drop: false }`
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]     Checking gif v0.13.1
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking rgb v0.8.37
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking exr v1.72.0
[INFO] [stderr]     Checking ansi_colours v1.2.2
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking viuer v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Color` is imported redundantly
[INFO] [stdout]    --> src/printer/block.rs:182:27
[INFO] [stdout]     |
[INFO] [stdout] 181 |     use super::*;
[INFO] [stdout]     |         -------- the item `Color` is already imported here
[INFO] [stdout] 182 |     use termcolor::{Ansi, Color};
[INFO] [stdout]     |                           ^^^^^
[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 9.12s
[INFO] running `Command { std: "docker" "inspect" "8091e5827b148399934f24ac338249ca2621a95b48fcafb6893516c7517b990c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8091e5827b148399934f24ac338249ca2621a95b48fcafb6893516c7517b990c", kill_on_drop: false }`
[INFO] [stdout] 8091e5827b148399934f24ac338249ca2621a95b48fcafb6893516c7517b990c
[INFO] checking viuer-0.7.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate viuer 0.7.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate viuer 0.7.1 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 viuer 0.7.1
[INFO] finished tweaking crates.io crate viuer 0.7.1
[INFO] tweaked toml for crates.io crate viuer 0.7.1 written to /workspace/builds/worker-6-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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1d889fd9f4c1b3c7ff49832f9ae37820b3bebc3a13a317aca4dd34cea0195a7d
[INFO] running `Command { std: "docker" "start" "-a" "1d889fd9f4c1b3c7ff49832f9ae37820b3bebc3a13a317aca4dd34cea0195a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d889fd9f4c1b3c7ff49832f9ae37820b3bebc3a13a317aca4dd34cea0195a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d889fd9f4c1b3c7ff49832f9ae37820b3bebc3a13a317aca4dd34cea0195a7d", kill_on_drop: false }`
[INFO] [stdout] 1d889fd9f4c1b3c7ff49832f9ae37820b3bebc3a13a317aca4dd34cea0195a7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e1d22fb3671d8fa292fba6dcca96f49d8902a7690b3d1022a3b02aab8e4262b6
[INFO] running `Command { std: "docker" "start" "-a" "e1d22fb3671d8fa292fba6dcca96f49d8902a7690b3d1022a3b02aab8e4262b6", kill_on_drop: false }`
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking gif v0.13.1
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking rgb v0.8.37
[INFO] [stderr]     Checking ansi_colours v1.2.2
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking exr v1.72.0
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking viuer v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Color` is imported redundantly
[INFO] [stdout]    --> src/printer/block.rs:182:27
[INFO] [stdout]     |
[INFO] [stdout] 181 |     use super::*;
[INFO] [stdout]     |         -------- the item `Color` is already imported here
[INFO] [stdout] 182 |     use termcolor::{Ansi, Color};
[INFO] [stdout]     |                           ^^^^^
[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 8.22s
[INFO] running `Command { std: "docker" "inspect" "e1d22fb3671d8fa292fba6dcca96f49d8902a7690b3d1022a3b02aab8e4262b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1d22fb3671d8fa292fba6dcca96f49d8902a7690b3d1022a3b02aab8e4262b6", kill_on_drop: false }`
[INFO] [stdout] e1d22fb3671d8fa292fba6dcca96f49d8902a7690b3d1022a3b02aab8e4262b6