[INFO] cloning repository https://github.com/ajone239/codewars
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ajone239/codewars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajone239%2Fcodewars", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajone239%2Fcodewars'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b61ff1e3a760b42125159943f36b6e361a459cfc
[INFO] checking ajone239/codewars against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajone239%2Fcodewars" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ajone239/codewars 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/ajone239/codewars
[INFO] finished tweaking git repo https://github.com/ajone239/codewars
[INFO] tweaked toml for git repo https://github.com/ajone239/codewars written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ajone239/codewars 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 305f492260b37d5e9437d19dc42f7466f781da4470e192ac8240b11b21560736
[INFO] running `Command { std: "docker" "start" "-a" "305f492260b37d5e9437d19dc42f7466f781da4470e192ac8240b11b21560736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "305f492260b37d5e9437d19dc42f7466f781da4470e192ac8240b11b21560736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "305f492260b37d5e9437d19dc42f7466f781da4470e192ac8240b11b21560736", kill_on_drop: false }`
[INFO] [stdout] 305f492260b37d5e9437d19dc42f7466f781da4470e192ac8240b11b21560736
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5fe55c55f306f47fca1dfc3e85235ecac4e0213db2373b8427fd8a0a84a228d9
[INFO] running `Command { std: "docker" "start" "-a" "5fe55c55f306f47fca1dfc3e85235ecac4e0213db2373b8427fd8a0a84a228d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling relative-path v1.9.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking rstest v0.18.2
[INFO] [stderr]     Checking codewars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.12s
[INFO] running `Command { std: "docker" "inspect" "5fe55c55f306f47fca1dfc3e85235ecac4e0213db2373b8427fd8a0a84a228d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fe55c55f306f47fca1dfc3e85235ecac4e0213db2373b8427fd8a0a84a228d9", kill_on_drop: false }`
[INFO] [stdout] 5fe55c55f306f47fca1dfc3e85235ecac4e0213db2373b8427fd8a0a84a228d9