[INFO] cloning repository https://github.com/fotonick/mainarizumu_solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fotonick/mainarizumu_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffotonick%2Fmainarizumu_solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffotonick%2Fmainarizumu_solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b13e8e3b2d1531ad19f2bc952c6b3bf931459b19
[INFO] checking fotonick/mainarizumu_solver against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffotonick%2Fmainarizumu_solver" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fotonick/mainarizumu_solver on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fotonick/mainarizumu_solver
[INFO] finished tweaking git repo https://github.com/fotonick/mainarizumu_solver
[INFO] tweaked toml for git repo https://github.com/fotonick/mainarizumu_solver written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fotonick/mainarizumu_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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded log v0.3.7
[INFO] [stderr]   Downloaded itertools v0.6.0
[INFO] [stderr]   Downloaded either v1.1.0
[INFO] [stderr]   Downloaded va_list v0.0.1
[INFO] [stderr]   Downloaded z3 v0.2.0
[INFO] [stderr]   Downloaded z3-sys v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9baafc8e43393f26be9bbba2908d6bfb42d3fc8564bd9e8aa89e944f4f28990
[INFO] running `Command { std: "docker" "start" "-a" "d9baafc8e43393f26be9bbba2908d6bfb42d3fc8564bd9e8aa89e944f4f28990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9baafc8e43393f26be9bbba2908d6bfb42d3fc8564bd9e8aa89e944f4f28990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9baafc8e43393f26be9bbba2908d6bfb42d3fc8564bd9e8aa89e944f4f28990", kill_on_drop: false }`
[INFO] [stdout] d9baafc8e43393f26be9bbba2908d6bfb42d3fc8564bd9e8aa89e944f4f28990
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff84f2e3f4f43bebb955a63c30d7533a124011bc7c96a63636c460a656c6d24f
[INFO] running `Command { std: "docker" "start" "-a" "ff84f2e3f4f43bebb955a63c30d7533a124011bc7c96a63636c460a656c6d24f", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking libc v0.2.22
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking log v0.3.7
[INFO] [stderr]     Checking va_list v0.0.1
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]     Checking itertools v0.6.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking z3-sys v0.1.0
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking z3 v0.2.0
[INFO] [stderr]     Checking mainarizumu_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `Command { std: "docker" "inspect" "ff84f2e3f4f43bebb955a63c30d7533a124011bc7c96a63636c460a656c6d24f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff84f2e3f4f43bebb955a63c30d7533a124011bc7c96a63636c460a656c6d24f", kill_on_drop: false }`
[INFO] [stdout] ff84f2e3f4f43bebb955a63c30d7533a124011bc7c96a63636c460a656c6d24f