[INFO] cloning repository https://github.com/lenna-kun/Numer0n_AI
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lenna-kun/Numer0n_AI" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flenna-kun%2FNumer0n_AI", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flenna-kun%2FNumer0n_AI'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9bb5bec81e4768d59d011dd825053030580c809
[INFO] checking lenna-kun/Numer0n_AI against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flenna-kun%2FNumer0n_AI" "/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/lenna-kun/Numer0n_AI 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/lenna-kun/Numer0n_AI
[INFO] finished tweaking git repo https://github.com/lenna-kun/Numer0n_AI
[INFO] tweaked toml for git repo https://github.com/lenna-kun/Numer0n_AI written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lenna-kun/Numer0n_AI 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] b28ce980cda3d0c72d9c1987e5b693d8a7059090a7594c449e9f4f92fa6cf18b
[INFO] running `Command { std: "docker" "start" "-a" "b28ce980cda3d0c72d9c1987e5b693d8a7059090a7594c449e9f4f92fa6cf18b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b28ce980cda3d0c72d9c1987e5b693d8a7059090a7594c449e9f4f92fa6cf18b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b28ce980cda3d0c72d9c1987e5b693d8a7059090a7594c449e9f4f92fa6cf18b", kill_on_drop: false }`
[INFO] [stdout] b28ce980cda3d0c72d9c1987e5b693d8a7059090a7594c449e9f4f92fa6cf18b
[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] ab8db0c621b55ee7d5989a745395ee84f3f530700401456169114f45339f4af0
[INFO] running `Command { std: "docker" "start" "-a" "ab8db0c621b55ee7d5989a745395ee84f3f530700401456169114f45339f4af0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking numer0n v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "ab8db0c621b55ee7d5989a745395ee84f3f530700401456169114f45339f4af0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab8db0c621b55ee7d5989a745395ee84f3f530700401456169114f45339f4af0", kill_on_drop: false }`
[INFO] [stdout] ab8db0c621b55ee7d5989a745395ee84f3f530700401456169114f45339f4af0
[INFO] checking lenna-kun/Numer0n_AI against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flenna-kun%2FNumer0n_AI" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lenna-kun/Numer0n_AI 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/lenna-kun/Numer0n_AI
[INFO] finished tweaking git repo https://github.com/lenna-kun/Numer0n_AI
[INFO] tweaked toml for git repo https://github.com/lenna-kun/Numer0n_AI written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/lenna-kun/Numer0n_AI 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 34fad7c09331c35b8182356973040c951019f98418912c1086d5494aaaab87c6
[INFO] running `Command { std: "docker" "start" "-a" "34fad7c09331c35b8182356973040c951019f98418912c1086d5494aaaab87c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34fad7c09331c35b8182356973040c951019f98418912c1086d5494aaaab87c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34fad7c09331c35b8182356973040c951019f98418912c1086d5494aaaab87c6", kill_on_drop: false }`
[INFO] [stdout] 34fad7c09331c35b8182356973040c951019f98418912c1086d5494aaaab87c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] de352cfd47b5b9febfdef178209aa84b0f61fd08fa653516cf4374665626bfab
[INFO] running `Command { std: "docker" "start" "-a" "de352cfd47b5b9febfdef178209aa84b0f61fd08fa653516cf4374665626bfab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking numer0n v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "de352cfd47b5b9febfdef178209aa84b0f61fd08fa653516cf4374665626bfab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de352cfd47b5b9febfdef178209aa84b0f61fd08fa653516cf4374665626bfab", kill_on_drop: false }`
[INFO] [stdout] de352cfd47b5b9febfdef178209aa84b0f61fd08fa653516cf4374665626bfab