[INFO] cloning repository https://github.com/jfontan/rufi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jfontan/rufi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfontan%2Frufi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfontan%2Frufi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d733cf087227dc202db002c993336e0369f23723
[INFO] checking jfontan/rufi against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfontan%2Frufi" "/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/jfontan/rufi 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/jfontan/rufi
[INFO] finished tweaking git repo https://github.com/jfontan/rufi
[INFO] tweaked toml for git repo https://github.com/jfontan/rufi written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jfontan/rufi 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-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 }`
[INFO] [stdout] 84ca881ae1d6814bef7c26a402621e2d72cf191b788b6d9e16d6c867e0631485
[INFO] running `Command { std: "docker" "start" "-a" "84ca881ae1d6814bef7c26a402621e2d72cf191b788b6d9e16d6c867e0631485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84ca881ae1d6814bef7c26a402621e2d72cf191b788b6d9e16d6c867e0631485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ca881ae1d6814bef7c26a402621e2d72cf191b788b6d9e16d6c867e0631485", kill_on_drop: false }`
[INFO] [stdout] 84ca881ae1d6814bef7c26a402621e2d72cf191b788b6d9e16d6c867e0631485
[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] 0462dba2e8017ae7a450651fcbef4b4aa66688e87cc96421d91c5846e880345b
[INFO] running `Command { std: "docker" "start" "-a" "0462dba2e8017ae7a450651fcbef4b4aa66688e87cc96421d91c5846e880345b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rufi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.84s
[INFO] running `Command { std: "docker" "inspect" "0462dba2e8017ae7a450651fcbef4b4aa66688e87cc96421d91c5846e880345b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0462dba2e8017ae7a450651fcbef4b4aa66688e87cc96421d91c5846e880345b", kill_on_drop: false }`
[INFO] [stdout] 0462dba2e8017ae7a450651fcbef4b4aa66688e87cc96421d91c5846e880345b
[INFO] checking jfontan/rufi against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfontan%2Frufi" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jfontan/rufi on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jfontan/rufi
[INFO] finished tweaking git repo https://github.com/jfontan/rufi
[INFO] tweaked toml for git repo https://github.com/jfontan/rufi written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jfontan/rufi 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9aed666d8eb45c30e4193fea5fd7b39bdea32c770dd0a59373ee3a35b912aa3
[INFO] running `Command { std: "docker" "start" "-a" "f9aed666d8eb45c30e4193fea5fd7b39bdea32c770dd0a59373ee3a35b912aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9aed666d8eb45c30e4193fea5fd7b39bdea32c770dd0a59373ee3a35b912aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9aed666d8eb45c30e4193fea5fd7b39bdea32c770dd0a59373ee3a35b912aa3", kill_on_drop: false }`
[INFO] [stdout] f9aed666d8eb45c30e4193fea5fd7b39bdea32c770dd0a59373ee3a35b912aa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b67c6a1c978d670ef1f861f2f5843d02c2dfa60fc99bf15efb2103ce209d41c2
[INFO] running `Command { std: "docker" "start" "-a" "b67c6a1c978d670ef1f861f2f5843d02c2dfa60fc99bf15efb2103ce209d41c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rufi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.87s
[INFO] running `Command { std: "docker" "inspect" "b67c6a1c978d670ef1f861f2f5843d02c2dfa60fc99bf15efb2103ce209d41c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b67c6a1c978d670ef1f861f2f5843d02c2dfa60fc99bf15efb2103ce209d41c2", kill_on_drop: false }`
[INFO] [stdout] b67c6a1c978d670ef1f861f2f5843d02c2dfa60fc99bf15efb2103ce209d41c2