[INFO] cloning repository https://github.com/Zzaphkiel/nonogram_solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Zzaphkiel/nonogram_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZzaphkiel%2Fnonogram_solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZzaphkiel%2Fnonogram_solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0a60f72d6be62d89d221afd6995a6294e168906
[INFO] checking Zzaphkiel/nonogram_solver against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZzaphkiel%2Fnonogram_solver" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Zzaphkiel/nonogram_solver 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/Zzaphkiel/nonogram_solver
[INFO] finished tweaking git repo https://github.com/Zzaphkiel/nonogram_solver
[INFO] tweaked toml for git repo https://github.com/Zzaphkiel/nonogram_solver written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Zzaphkiel/nonogram_solver 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]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages
[INFO] [stderr]       Adding crossbeam-deque v0.8.5
[INFO] [stderr]       Adding crossbeam-epoch v0.9.18
[INFO] [stderr]       Adding crossbeam-utils v0.8.19
[INFO] [stderr]       Adding either v1.10.0
[INFO] [stderr]       Adding rayon v1.10.0
[INFO] [stderr]       Adding rayon-core v1.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 83f16a8f1b42eeb798905cdf5eac315d2239d0578cfebd459e6d429ef0cd8584
[INFO] running `Command { std: "docker" "start" "-a" "83f16a8f1b42eeb798905cdf5eac315d2239d0578cfebd459e6d429ef0cd8584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83f16a8f1b42eeb798905cdf5eac315d2239d0578cfebd459e6d429ef0cd8584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83f16a8f1b42eeb798905cdf5eac315d2239d0578cfebd459e6d429ef0cd8584", kill_on_drop: false }`
[INFO] [stdout] 83f16a8f1b42eeb798905cdf5eac315d2239d0578cfebd459e6d429ef0cd8584
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f2120f45591729aca0365f363ff1cdbd19361485e7b78c089e23c2d58e6b867d
[INFO] running `Command { std: "docker" "start" "-a" "f2120f45591729aca0365f363ff1cdbd19361485e7b78c089e23c2d58e6b867d", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking nonogram_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.24s
[INFO] running `Command { std: "docker" "inspect" "f2120f45591729aca0365f363ff1cdbd19361485e7b78c089e23c2d58e6b867d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2120f45591729aca0365f363ff1cdbd19361485e7b78c089e23c2d58e6b867d", kill_on_drop: false }`
[INFO] [stdout] f2120f45591729aca0365f363ff1cdbd19361485e7b78c089e23c2d58e6b867d
[INFO] checking Zzaphkiel/nonogram_solver against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZzaphkiel%2Fnonogram_solver" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Zzaphkiel/nonogram_solver 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/Zzaphkiel/nonogram_solver
[INFO] finished tweaking git repo https://github.com/Zzaphkiel/nonogram_solver
[INFO] tweaked toml for git repo https://github.com/Zzaphkiel/nonogram_solver written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Zzaphkiel/nonogram_solver 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages
[INFO] [stderr]       Adding crossbeam-deque v0.8.5
[INFO] [stderr]       Adding crossbeam-epoch v0.9.18
[INFO] [stderr]       Adding crossbeam-utils v0.8.19
[INFO] [stderr]       Adding either v1.10.0
[INFO] [stderr]       Adding rayon v1.10.0
[INFO] [stderr]       Adding rayon-core v1.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 10f26f11ec2e86a0d7500a880ca8829b04c434ee6976ef861e94b5c78b253f20
[INFO] running `Command { std: "docker" "start" "-a" "10f26f11ec2e86a0d7500a880ca8829b04c434ee6976ef861e94b5c78b253f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10f26f11ec2e86a0d7500a880ca8829b04c434ee6976ef861e94b5c78b253f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10f26f11ec2e86a0d7500a880ca8829b04c434ee6976ef861e94b5c78b253f20", kill_on_drop: false }`
[INFO] [stdout] 10f26f11ec2e86a0d7500a880ca8829b04c434ee6976ef861e94b5c78b253f20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] db82023ce0442ee17de520ecfe2483b94703c1ec1c29d50e6e3c0708fb5af925
[INFO] running `Command { std: "docker" "start" "-a" "db82023ce0442ee17de520ecfe2483b94703c1ec1c29d50e6e3c0708fb5af925", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking nonogram_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.95s
[INFO] running `Command { std: "docker" "inspect" "db82023ce0442ee17de520ecfe2483b94703c1ec1c29d50e6e3c0708fb5af925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db82023ce0442ee17de520ecfe2483b94703c1ec1c29d50e6e3c0708fb5af925", kill_on_drop: false }`
[INFO] [stdout] db82023ce0442ee17de520ecfe2483b94703c1ec1c29d50e6e3c0708fb5af925