[INFO] cloning repository https://github.com/kurotakazuki/tinycpuasm2ml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kurotakazuki/tinycpuasm2ml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkurotakazuki%2Ftinycpuasm2ml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkurotakazuki%2Ftinycpuasm2ml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0f375f6a4f3cd7e9f3a0290910ceec4ef89a437
[INFO] checking kurotakazuki/tinycpuasm2ml against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkurotakazuki%2Ftinycpuasm2ml" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kurotakazuki/tinycpuasm2ml 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/kurotakazuki/tinycpuasm2ml
[INFO] finished tweaking git repo https://github.com/kurotakazuki/tinycpuasm2ml
[INFO] tweaked toml for git repo https://github.com/kurotakazuki/tinycpuasm2ml written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kurotakazuki/tinycpuasm2ml 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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1c9cbe92e9dc36edbbd3e45e17fbe5b1d7c3985a2aaf40608c11971a3ef28826
[INFO] running `Command { std: "docker" "start" "-a" "1c9cbe92e9dc36edbbd3e45e17fbe5b1d7c3985a2aaf40608c11971a3ef28826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c9cbe92e9dc36edbbd3e45e17fbe5b1d7c3985a2aaf40608c11971a3ef28826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c9cbe92e9dc36edbbd3e45e17fbe5b1d7c3985a2aaf40608c11971a3ef28826", kill_on_drop: false }`
[INFO] [stdout] 1c9cbe92e9dc36edbbd3e45e17fbe5b1d7c3985a2aaf40608c11971a3ef28826
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d39609dd5eaa0b9ce5aae90fefdc4f615c19ba44cb2f8c84ef749a3004ce6e73
[INFO] running `Command { std: "docker" "start" "-a" "d39609dd5eaa0b9ce5aae90fefdc4f615c19ba44cb2f8c84ef749a3004ce6e73", kill_on_drop: false }`
[INFO] [stderr]     Checking tinycpuasm2ml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "d39609dd5eaa0b9ce5aae90fefdc4f615c19ba44cb2f8c84ef749a3004ce6e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d39609dd5eaa0b9ce5aae90fefdc4f615c19ba44cb2f8c84ef749a3004ce6e73", kill_on_drop: false }`
[INFO] [stdout] d39609dd5eaa0b9ce5aae90fefdc4f615c19ba44cb2f8c84ef749a3004ce6e73
[INFO] checking kurotakazuki/tinycpuasm2ml against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkurotakazuki%2Ftinycpuasm2ml" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kurotakazuki/tinycpuasm2ml 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/kurotakazuki/tinycpuasm2ml
[INFO] finished tweaking git repo https://github.com/kurotakazuki/tinycpuasm2ml
[INFO] tweaked toml for git repo https://github.com/kurotakazuki/tinycpuasm2ml written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kurotakazuki/tinycpuasm2ml 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1e24a48c4e6c48fddf1e82c823b236ab25989c0f6f4eb738a9527f2a2deb1571
[INFO] running `Command { std: "docker" "start" "-a" "1e24a48c4e6c48fddf1e82c823b236ab25989c0f6f4eb738a9527f2a2deb1571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e24a48c4e6c48fddf1e82c823b236ab25989c0f6f4eb738a9527f2a2deb1571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e24a48c4e6c48fddf1e82c823b236ab25989c0f6f4eb738a9527f2a2deb1571", kill_on_drop: false }`
[INFO] [stdout] 1e24a48c4e6c48fddf1e82c823b236ab25989c0f6f4eb738a9527f2a2deb1571
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8718a75c2f1ef7844145e6c893689f09e033df19366e9eeb9fbbc2e962881bcd
[INFO] running `Command { std: "docker" "start" "-a" "8718a75c2f1ef7844145e6c893689f09e033df19366e9eeb9fbbc2e962881bcd", kill_on_drop: false }`
[INFO] [stderr]     Checking tinycpuasm2ml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "8718a75c2f1ef7844145e6c893689f09e033df19366e9eeb9fbbc2e962881bcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8718a75c2f1ef7844145e6c893689f09e033df19366e9eeb9fbbc2e962881bcd", kill_on_drop: false }`
[INFO] [stdout] 8718a75c2f1ef7844145e6c893689f09e033df19366e9eeb9fbbc2e962881bcd