[INFO] cloning repository https://github.com/GiGurra/rust-util
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GiGurra/rust-util" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGiGurra%2Frust-util", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGiGurra%2Frust-util'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a241640ed0c49846e3a8fed10465e5e294de8941
[INFO] checking GiGurra/rust-util against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGiGurra%2Frust-util" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GiGurra/rust-util 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 git repo https://github.com/GiGurra/rust-util
[INFO] finished tweaking git repo https://github.com/GiGurra/rust-util
[INFO] tweaked toml for git repo https://github.com/GiGurra/rust-util written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/GiGurra/rust-util 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]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_derive v3.0.0
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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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "db28f7e4dad9476947b75a6493e04c70f6936c1950aa6d1d5ac965bc78a167df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db28f7e4dad9476947b75a6493e04c70f6936c1950aa6d1d5ac965bc78a167df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db28f7e4dad9476947b75a6493e04c70f6936c1950aa6d1d5ac965bc78a167df", kill_on_drop: false }`
[INFO] [stdout] db28f7e4dad9476947b75a6493e04c70f6936c1950aa6d1d5ac965bc78a167df
[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] 979d0fdf08a844b6b0f4b6ca5977c203b4677733933b5ec67893297bba336590
[INFO] running `Command { std: "docker" "start" "-a" "979d0fdf08a844b6b0f4b6ca5977c203b4677733933b5ec67893297bba336590", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling generic-array v0.14.4
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[INFO] [stderr]    Compiling memchr v2.4.1
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[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking either v1.6.1
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[INFO] [stderr]     Checking gigurra-rust-util v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `rand_chacha` is imported redundantly
[INFO] [stdout]  --> src/crypt/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand_chacha;
[INFO] [stdout]   |     ^^^^^^^^^^^ the item `rand_chacha` 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 `rand_chacha` is imported redundantly
[INFO] [stdout]  --> src/crypt/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand_chacha;
[INFO] [stdout]   |     ^^^^^^^^^^^ the item `rand_chacha` 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 13.67s
[INFO] running `Command { std: "docker" "inspect" "979d0fdf08a844b6b0f4b6ca5977c203b4677733933b5ec67893297bba336590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "979d0fdf08a844b6b0f4b6ca5977c203b4677733933b5ec67893297bba336590", kill_on_drop: false }`
[INFO] [stdout] 979d0fdf08a844b6b0f4b6ca5977c203b4677733933b5ec67893297bba336590