[INFO] cloning repository https://github.com/simonholgate/helloworld_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simonholgate/helloworld_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonholgate%2Fhelloworld_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonholgate%2Fhelloworld_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b129b7fcadfc6cea3d1b268fab2628fb95e6f267
[INFO] checking simonholgate/helloworld_rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonholgate%2Fhelloworld_rust" "/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/simonholgate/helloworld_rust 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/simonholgate/helloworld_rust
[INFO] finished tweaking git repo https://github.com/simonholgate/helloworld_rust
[INFO] tweaked toml for git repo https://github.com/simonholgate/helloworld_rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/simonholgate/helloworld_rust 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] 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] 11ca08e03149e31953625add78387e177f2ea11abb89a03d7f99f62b2c60dac7
[INFO] running `Command { std: "docker" "start" "-a" "11ca08e03149e31953625add78387e177f2ea11abb89a03d7f99f62b2c60dac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11ca08e03149e31953625add78387e177f2ea11abb89a03d7f99f62b2c60dac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11ca08e03149e31953625add78387e177f2ea11abb89a03d7f99f62b2c60dac7", kill_on_drop: false }`
[INFO] [stdout] 11ca08e03149e31953625add78387e177f2ea11abb89a03d7f99f62b2c60dac7
[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] 943235aab1919647e59d32706bff780b9fcae144ffd7e78348edaf6c65acef33
[INFO] running `Command { std: "docker" "start" "-a" "943235aab1919647e59d32706bff780b9fcae144ffd7e78348edaf6c65acef33", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking indexmap v2.2.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]    Compiling syn v2.0.49
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking h2 v0.3.24
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hellorust v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.85s
[INFO] running `Command { std: "docker" "inspect" "943235aab1919647e59d32706bff780b9fcae144ffd7e78348edaf6c65acef33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "943235aab1919647e59d32706bff780b9fcae144ffd7e78348edaf6c65acef33", kill_on_drop: false }`
[INFO] [stdout] 943235aab1919647e59d32706bff780b9fcae144ffd7e78348edaf6c65acef33
[INFO] checking simonholgate/helloworld_rust against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonholgate%2Fhelloworld_rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/simonholgate/helloworld_rust 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/simonholgate/helloworld_rust
[INFO] finished tweaking git repo https://github.com/simonholgate/helloworld_rust
[INFO] tweaked toml for git repo https://github.com/simonholgate/helloworld_rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/simonholgate/helloworld_rust 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d554e740bfcf139976a4c22683e4086081177e376630515de584cab6c190b254
[INFO] running `Command { std: "docker" "start" "-a" "d554e740bfcf139976a4c22683e4086081177e376630515de584cab6c190b254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d554e740bfcf139976a4c22683e4086081177e376630515de584cab6c190b254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d554e740bfcf139976a4c22683e4086081177e376630515de584cab6c190b254", kill_on_drop: false }`
[INFO] [stdout] d554e740bfcf139976a4c22683e4086081177e376630515de584cab6c190b254
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] bf23570b97a8f1982217681ec45fc4437ab89b47bb4ac9dd24b68193c79ad332
[INFO] running `Command { std: "docker" "start" "-a" "bf23570b97a8f1982217681ec45fc4437ab89b47bb4ac9dd24b68193c79ad332", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking indexmap v2.2.3
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v2.0.49
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking h2 v0.3.24
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hellorust v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.26s
[INFO] running `Command { std: "docker" "inspect" "bf23570b97a8f1982217681ec45fc4437ab89b47bb4ac9dd24b68193c79ad332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf23570b97a8f1982217681ec45fc4437ab89b47bb4ac9dd24b68193c79ad332", kill_on_drop: false }`
[INFO] [stdout] bf23570b97a8f1982217681ec45fc4437ab89b47bb4ac9dd24b68193c79ad332