[INFO] cloning repository https://github.com/tjensen42/rust-lib-closure-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tjensen42/rust-lib-closure-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjensen42%2Frust-lib-closure-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjensen42%2Frust-lib-closure-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad7b5a41c1f9d5420455f77f2b005e774af4ffe5
[INFO] checking tjensen42/rust-lib-closure-test against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjensen42%2Frust-lib-closure-test" "/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/tjensen42/rust-lib-closure-test 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/tjensen42/rust-lib-closure-test
[INFO] finished tweaking git repo https://github.com/tjensen42/rust-lib-closure-test
[INFO] tweaked toml for git repo https://github.com/tjensen42/rust-lib-closure-test written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tjensen42/rust-lib-closure-test 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-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] bb4e252886eac5190b14e8083aa3839e9854c35853118b164843ea7c96f65a10
[INFO] running `Command { std: "docker" "start" "-a" "bb4e252886eac5190b14e8083aa3839e9854c35853118b164843ea7c96f65a10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb4e252886eac5190b14e8083aa3839e9854c35853118b164843ea7c96f65a10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb4e252886eac5190b14e8083aa3839e9854c35853118b164843ea7c96f65a10", kill_on_drop: false }`
[INFO] [stdout] bb4e252886eac5190b14e8083aa3839e9854c35853118b164843ea7c96f65a10
[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] ab17c0629860c566acd513d952cc7a5fbd21d2d1a7d9469c9525441c142a0a3c
[INFO] running `Command { std: "docker" "start" "-a" "ab17c0629860c566acd513d952cc7a5fbd21d2d1a7d9469c9525441c142a0a3c", kill_on_drop: false }`
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking rust-lib-closure-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "ab17c0629860c566acd513d952cc7a5fbd21d2d1a7d9469c9525441c142a0a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab17c0629860c566acd513d952cc7a5fbd21d2d1a7d9469c9525441c142a0a3c", kill_on_drop: false }`
[INFO] [stdout] ab17c0629860c566acd513d952cc7a5fbd21d2d1a7d9469c9525441c142a0a3c
[INFO] checking tjensen42/rust-lib-closure-test against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjensen42%2Frust-lib-closure-test" "/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/tjensen42/rust-lib-closure-test 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/tjensen42/rust-lib-closure-test
[INFO] finished tweaking git repo https://github.com/tjensen42/rust-lib-closure-test
[INFO] tweaked toml for git repo https://github.com/tjensen42/rust-lib-closure-test written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tjensen42/rust-lib-closure-test 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] f6a55b29bcc7aca35be0ec87c00ed8fa1439e95159dd515a7346a04367afb4e1
[INFO] running `Command { std: "docker" "start" "-a" "f6a55b29bcc7aca35be0ec87c00ed8fa1439e95159dd515a7346a04367afb4e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6a55b29bcc7aca35be0ec87c00ed8fa1439e95159dd515a7346a04367afb4e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6a55b29bcc7aca35be0ec87c00ed8fa1439e95159dd515a7346a04367afb4e1", kill_on_drop: false }`
[INFO] [stdout] f6a55b29bcc7aca35be0ec87c00ed8fa1439e95159dd515a7346a04367afb4e1
[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] e68042b52abeac68b26b471193bc717c616b56e2a2690ae79dc0e45832e204ae
[INFO] running `Command { std: "docker" "start" "-a" "e68042b52abeac68b26b471193bc717c616b56e2a2690ae79dc0e45832e204ae", kill_on_drop: false }`
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking rust-lib-closure-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "e68042b52abeac68b26b471193bc717c616b56e2a2690ae79dc0e45832e204ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e68042b52abeac68b26b471193bc717c616b56e2a2690ae79dc0e45832e204ae", kill_on_drop: false }`
[INFO] [stdout] e68042b52abeac68b26b471193bc717c616b56e2a2690ae79dc0e45832e204ae