[INFO] fetching crate havocompare 0.5.1...
[INFO] checking havocompare-0.5.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate havocompare 0.5.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate havocompare 0.5.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate havocompare 0.5.1
[INFO] finished tweaking crates.io crate havocompare 0.5.1
[INFO] tweaked toml for crates.io crate havocompare 0.5.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate havocompare 0.5.1 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "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 vg_errortools v0.1.0
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[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 969a08883ab9e3a1c783ab54d48318e2137be0a7a53c9e17a24d82072e775d4f
[INFO] running `Command { std: "docker" "start" "-a" "969a08883ab9e3a1c783ab54d48318e2137be0a7a53c9e17a24d82072e775d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "969a08883ab9e3a1c783ab54d48318e2137be0a7a53c9e17a24d82072e775d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "969a08883ab9e3a1c783ab54d48318e2137be0a7a53c9e17a24d82072e775d4f", kill_on_drop: false }`
[INFO] [stdout] 969a08883ab9e3a1c783ab54d48318e2137be0a7a53c9e17a24d82072e775d4f
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 658a31af85a481c485afc08548f58b3bd1948d5dd576f7be8359b98d9601d8ae
[INFO] running `Command { std: "docker" "start" "-a" "658a31af85a481c485afc08548f58b3bd1948d5dd576f7be8359b98d9601d8ae", kill_on_drop: false }`
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[INFO] [stderr]     Checking havocompare v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ImageCompareConfig` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:382:9
[INFO] [stdout]     |
[INFO] [stdout] 381 |     use super::*;
[INFO] [stdout]     |         -------- the item `ImageCompareConfig` is already imported here
[INFO] [stdout] 382 |     use crate::image::ImageCompareConfig;
[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 38.05s
[INFO] running `Command { std: "docker" "inspect" "658a31af85a481c485afc08548f58b3bd1948d5dd576f7be8359b98d9601d8ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "658a31af85a481c485afc08548f58b3bd1948d5dd576f7be8359b98d9601d8ae", kill_on_drop: false }`
[INFO] [stdout] 658a31af85a481c485afc08548f58b3bd1948d5dd576f7be8359b98d9601d8ae