[INFO] cloning repository https://github.com/MichaelChan-Pong/100PrisonersProblem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MichaelChan-Pong/100PrisonersProblem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelChan-Pong%2F100PrisonersProblem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelChan-Pong%2F100PrisonersProblem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c37adbbda246c2fc6afe63d9a622e684c589f7e6
[INFO] checking MichaelChan-Pong/100PrisonersProblem against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelChan-Pong%2F100PrisonersProblem" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MichaelChan-Pong/100PrisonersProblem 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/MichaelChan-Pong/100PrisonersProblem
[INFO] finished tweaking git repo https://github.com/MichaelChan-Pong/100PrisonersProblem
[INFO] tweaked toml for git repo https://github.com/MichaelChan-Pong/100PrisonersProblem written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MichaelChan-Pong/100PrisonersProblem 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 clap v4.4.11
[INFO] [stderr]   Downloaded anstream v0.6.5
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.17
[INFO] [stderr]   Downloaded clap_builder v4.4.11
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a98e6c917b7831644703ecf4249ae70616f91be085326e8549ae1aada1be2415
[INFO] running `Command { std: "docker" "start" "-a" "a98e6c917b7831644703ecf4249ae70616f91be085326e8549ae1aada1be2415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a98e6c917b7831644703ecf4249ae70616f91be085326e8549ae1aada1be2415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a98e6c917b7831644703ecf4249ae70616f91be085326e8549ae1aada1be2415", kill_on_drop: false }`
[INFO] [stdout] a98e6c917b7831644703ecf4249ae70616f91be085326e8549ae1aada1be2415
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2eedcd1dd30e5f20d6222fbcac036238f77b7bee061ec2ac85a97b2ce9423e8b
[INFO] running `Command { std: "docker" "start" "-a" "2eedcd1dd30e5f20d6222fbcac036238f77b7bee061ec2ac85a97b2ce9423e8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking anstream v0.6.5
[INFO] [stderr]     Checking clap_builder v4.4.11
[INFO] [stderr]     Checking crossbeam-epoch v0.9.17
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking crossbeam-deque v0.8.4
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]     Checking clap v4.4.11
[INFO] [stderr]     Checking prisoner_problem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.04s
[INFO] running `Command { std: "docker" "inspect" "2eedcd1dd30e5f20d6222fbcac036238f77b7bee061ec2ac85a97b2ce9423e8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eedcd1dd30e5f20d6222fbcac036238f77b7bee061ec2ac85a97b2ce9423e8b", kill_on_drop: false }`
[INFO] [stdout] 2eedcd1dd30e5f20d6222fbcac036238f77b7bee061ec2ac85a97b2ce9423e8b