[INFO] cloning repository https://github.com/arctair/treesv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arctair/treesv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farctair%2Ftreesv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farctair%2Ftreesv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c1cbe21994cbde165b4cea899ee62798aa714790
[INFO] checking arctair/treesv against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farctair%2Ftreesv" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arctair/treesv 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/arctair/treesv
[INFO] finished tweaking git repo https://github.com/arctair/treesv
[INFO] tweaked toml for git repo https://github.com/arctair/treesv written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/arctair/treesv 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 rusty-money v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b25a99d6b3a1b5bd4ba7807b85f77186af05d1c8523153bec5acfc0b35825260
[INFO] running `Command { std: "docker" "start" "-a" "b25a99d6b3a1b5bd4ba7807b85f77186af05d1c8523153bec5acfc0b35825260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b25a99d6b3a1b5bd4ba7807b85f77186af05d1c8523153bec5acfc0b35825260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b25a99d6b3a1b5bd4ba7807b85f77186af05d1c8523153bec5acfc0b35825260", kill_on_drop: false }`
[INFO] [stdout] b25a99d6b3a1b5bd4ba7807b85f77186af05d1c8523153bec5acfc0b35825260
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f30a0fbc6f214b037214c66cba0a256c91f8ba70239ff8b24f434f32cdc373aa
[INFO] running `Command { std: "docker" "start" "-a" "f30a0fbc6f214b037214c66cba0a256c91f8ba70239ff8b24f434f32cdc373aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]    Compiling rust_decimal v1.34.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling rust_decimal_macros v1.34.2
[INFO] [stderr]     Checking rusty-money v0.4.1
[INFO] [stderr]     Checking tempfile v3.10.0
[INFO] [stderr]     Checking treesv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.31s
[INFO] running `Command { std: "docker" "inspect" "f30a0fbc6f214b037214c66cba0a256c91f8ba70239ff8b24f434f32cdc373aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f30a0fbc6f214b037214c66cba0a256c91f8ba70239ff8b24f434f32cdc373aa", kill_on_drop: false }`
[INFO] [stdout] f30a0fbc6f214b037214c66cba0a256c91f8ba70239ff8b24f434f32cdc373aa
[INFO] checking arctair/treesv against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farctair%2Ftreesv" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arctair/treesv 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/arctair/treesv
[INFO] finished tweaking git repo https://github.com/arctair/treesv
[INFO] tweaked toml for git repo https://github.com/arctair/treesv written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/arctair/treesv 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c336f14d49e1d6fb61dba08261c40e50c4e320e2ce63c3e70e47629b20cc1fe9
[INFO] running `Command { std: "docker" "start" "-a" "c336f14d49e1d6fb61dba08261c40e50c4e320e2ce63c3e70e47629b20cc1fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c336f14d49e1d6fb61dba08261c40e50c4e320e2ce63c3e70e47629b20cc1fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c336f14d49e1d6fb61dba08261c40e50c4e320e2ce63c3e70e47629b20cc1fe9", kill_on_drop: false }`
[INFO] [stdout] c336f14d49e1d6fb61dba08261c40e50c4e320e2ce63c3e70e47629b20cc1fe9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3e9994e427f23a9d457c6fabcdb73d4054f20828279422a4450b1d0c64a71b52
[INFO] running `Command { std: "docker" "start" "-a" "3e9994e427f23a9d457c6fabcdb73d4054f20828279422a4450b1d0c64a71b52", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]    Compiling rust_decimal v1.34.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling rust_decimal_macros v1.34.2
[INFO] [stderr]     Checking rusty-money v0.4.1
[INFO] [stderr]     Checking tempfile v3.10.0
[INFO] [stderr]     Checking treesv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.46s
[INFO] running `Command { std: "docker" "inspect" "3e9994e427f23a9d457c6fabcdb73d4054f20828279422a4450b1d0c64a71b52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e9994e427f23a9d457c6fabcdb73d4054f20828279422a4450b1d0c64a71b52", kill_on_drop: false }`
[INFO] [stdout] 3e9994e427f23a9d457c6fabcdb73d4054f20828279422a4450b1d0c64a71b52