[INFO] cloning repository https://github.com/RedDocMD/kom
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RedDocMD/kom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRedDocMD%2Fkom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRedDocMD%2Fkom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32cd61c54c9032a170dd5de064a8dba93ae50dbe
[INFO] checking RedDocMD/kom against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRedDocMD%2Fkom" "/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/RedDocMD/kom 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/RedDocMD/kom
[INFO] finished tweaking git repo https://github.com/RedDocMD/kom
[INFO] tweaked toml for git repo https://github.com/RedDocMD/kom written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/RedDocMD/kom 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 simplelog v0.12.0
[INFO] [stderr]   Downloaded clap v3.2.14
[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] e1b9291554aba876df8075bbd85eb66e03a1f616e3cb33e61a4b9188981eb821
[INFO] running `Command { std: "docker" "start" "-a" "e1b9291554aba876df8075bbd85eb66e03a1f616e3cb33e61a4b9188981eb821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1b9291554aba876df8075bbd85eb66e03a1f616e3cb33e61a4b9188981eb821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1b9291554aba876df8075bbd85eb66e03a1f616e3cb33e61a4b9188981eb821", kill_on_drop: false }`
[INFO] [stdout] e1b9291554aba876df8075bbd85eb66e03a1f616e3cb33e61a4b9188981eb821
[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] 82f79fabd10208af09acd90f5e2aea6e4a26600116059a9c1542e0fc47141b3a
[INFO] running `Command { std: "docker" "start" "-a" "82f79fabd10208af09acd90f5e2aea6e4a26600116059a9c1542e0fc47141b3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking os_str_bytes v6.2.0
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking time v0.3.11
[INFO] [stderr]     Checking simplelog v0.12.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]     Checking clap v3.2.14
[INFO] [stderr]     Checking kom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.96s
[INFO] running `Command { std: "docker" "inspect" "82f79fabd10208af09acd90f5e2aea6e4a26600116059a9c1542e0fc47141b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82f79fabd10208af09acd90f5e2aea6e4a26600116059a9c1542e0fc47141b3a", kill_on_drop: false }`
[INFO] [stdout] 82f79fabd10208af09acd90f5e2aea6e4a26600116059a9c1542e0fc47141b3a
[INFO] checking RedDocMD/kom against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRedDocMD%2Fkom" "/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/RedDocMD/kom 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/RedDocMD/kom
[INFO] finished tweaking git repo https://github.com/RedDocMD/kom
[INFO] tweaked toml for git repo https://github.com/RedDocMD/kom written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/RedDocMD/kom 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] 1981f468afafb1923352467431b1bde1a105a1324a36e5acd8661a488375e930
[INFO] running `Command { std: "docker" "start" "-a" "1981f468afafb1923352467431b1bde1a105a1324a36e5acd8661a488375e930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1981f468afafb1923352467431b1bde1a105a1324a36e5acd8661a488375e930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1981f468afafb1923352467431b1bde1a105a1324a36e5acd8661a488375e930", kill_on_drop: false }`
[INFO] [stdout] 1981f468afafb1923352467431b1bde1a105a1324a36e5acd8661a488375e930
[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] 3e53d73e13611ec23760d58623c85a8ab6a99396898ac683b6354d414e42b6ac
[INFO] running `Command { std: "docker" "start" "-a" "3e53d73e13611ec23760d58623c85a8ab6a99396898ac683b6354d414e42b6ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking os_str_bytes v6.2.0
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking time v0.3.11
[INFO] [stderr]     Checking simplelog v0.12.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]     Checking clap v3.2.14
[INFO] [stderr]     Checking kom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.61s
[INFO] running `Command { std: "docker" "inspect" "3e53d73e13611ec23760d58623c85a8ab6a99396898ac683b6354d414e42b6ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e53d73e13611ec23760d58623c85a8ab6a99396898ac683b6354d414e42b6ac", kill_on_drop: false }`
[INFO] [stdout] 3e53d73e13611ec23760d58623c85a8ab6a99396898ac683b6354d414e42b6ac