[INFO] cloning repository https://github.com/pyonk/dan-task-ddd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pyonk/dan-task-ddd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpyonk%2Fdan-task-ddd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpyonk%2Fdan-task-ddd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ac802091e08339a7118d3dc49bca437a1aba8e8
[INFO] checking pyonk/dan-task-ddd against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpyonk%2Fdan-task-ddd" "/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/pyonk/dan-task-ddd 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/pyonk/dan-task-ddd
[INFO] finished tweaking git repo https://github.com/pyonk/dan-task-ddd
[INFO] tweaked toml for git repo https://github.com/pyonk/dan-task-ddd written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pyonk/dan-task-ddd 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]  Downloading crates ...
[INFO] [stderr]   Downloaded ulid v0.5.0
[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] a25791d23e219670bd9627177f57d7e13a19d9ee4a932a3af6429125cc86da98
[INFO] running `Command { std: "docker" "start" "-a" "a25791d23e219670bd9627177f57d7e13a19d9ee4a932a3af6429125cc86da98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a25791d23e219670bd9627177f57d7e13a19d9ee4a932a3af6429125cc86da98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a25791d23e219670bd9627177f57d7e13a19d9ee4a932a3af6429125cc86da98", kill_on_drop: false }`
[INFO] [stdout] a25791d23e219670bd9627177f57d7e13a19d9ee4a932a3af6429125cc86da98
[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] 870162bd3303bb2a83bf10b75b067090ce4c1615958365f160477031e87127c9
[INFO] running `Command { std: "docker" "start" "-a" "870162bd3303bb2a83bf10b75b067090ce4c1615958365f160477031e87127c9", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling serde_json v1.0.70
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking ulid v0.5.0
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking dan-task v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.16s
[INFO] running `Command { std: "docker" "inspect" "870162bd3303bb2a83bf10b75b067090ce4c1615958365f160477031e87127c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "870162bd3303bb2a83bf10b75b067090ce4c1615958365f160477031e87127c9", kill_on_drop: false }`
[INFO] [stdout] 870162bd3303bb2a83bf10b75b067090ce4c1615958365f160477031e87127c9
[INFO] checking pyonk/dan-task-ddd against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpyonk%2Fdan-task-ddd" "/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/pyonk/dan-task-ddd 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/pyonk/dan-task-ddd
[INFO] finished tweaking git repo https://github.com/pyonk/dan-task-ddd
[INFO] tweaked toml for git repo https://github.com/pyonk/dan-task-ddd written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/pyonk/dan-task-ddd 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] ac3f3df28241ac9e1633babb2902ec1120bb4a9fab83421164bb7d5b5ac68bca
[INFO] running `Command { std: "docker" "start" "-a" "ac3f3df28241ac9e1633babb2902ec1120bb4a9fab83421164bb7d5b5ac68bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac3f3df28241ac9e1633babb2902ec1120bb4a9fab83421164bb7d5b5ac68bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac3f3df28241ac9e1633babb2902ec1120bb4a9fab83421164bb7d5b5ac68bca", kill_on_drop: false }`
[INFO] [stdout] ac3f3df28241ac9e1633babb2902ec1120bb4a9fab83421164bb7d5b5ac68bca
[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] 13c3960efac7e41e203a1567f8d4e2b7020ec22d5d282e461f4f3c81b1a7b88f
[INFO] running `Command { std: "docker" "start" "-a" "13c3960efac7e41e203a1567f8d4e2b7020ec22d5d282e461f4f3c81b1a7b88f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling serde_json v1.0.70
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking ulid v0.5.0
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking dan-task v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.36s
[INFO] running `Command { std: "docker" "inspect" "13c3960efac7e41e203a1567f8d4e2b7020ec22d5d282e461f4f3c81b1a7b88f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13c3960efac7e41e203a1567f8d4e2b7020ec22d5d282e461f4f3c81b1a7b88f", kill_on_drop: false }`
[INFO] [stdout] 13c3960efac7e41e203a1567f8d4e2b7020ec22d5d282e461f4f3c81b1a7b88f