[INFO] cloning repository https://github.com/harry-anderson/cxx-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/harry-anderson/cxx-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharry-anderson%2Fcxx-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharry-anderson%2Fcxx-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f7327c970b386081bb9075da13b6615934b5445
[INFO] checking harry-anderson/cxx-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%2Fharry-anderson%2Fcxx-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/harry-anderson/cxx-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/harry-anderson/cxx-test
[INFO] finished tweaking git repo https://github.com/harry-anderson/cxx-test
[INFO] tweaked toml for git repo https://github.com/harry-anderson/cxx-test written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/harry-anderson/cxx-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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.95
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.95
[INFO] [stderr]   Downloaded cxx v1.0.95
[INFO] [stderr]   Downloaded cxx-build v1.0.95
[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] 1b65a517bdf043d46e2a8208db77cbd6ae816fa9e10c7e6592f44be4a60a87da
[INFO] running `Command { std: "docker" "start" "-a" "1b65a517bdf043d46e2a8208db77cbd6ae816fa9e10c7e6592f44be4a60a87da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b65a517bdf043d46e2a8208db77cbd6ae816fa9e10c7e6592f44be4a60a87da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b65a517bdf043d46e2a8208db77cbd6ae816fa9e10c7e6592f44be4a60a87da", kill_on_drop: false }`
[INFO] [stdout] 1b65a517bdf043d46e2a8208db77cbd6ae816fa9e10c7e6592f44be4a60a87da
[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] 95f42bbd55766efc5d7b1345332406ccdbee47167320210ae3036b0438a8b5b3
[INFO] running `Command { std: "docker" "start" "-a" "95f42bbd55766efc5d7b1345332406ccdbee47167320210ae3036b0438a8b5b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling scratch v1.0.5
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.95
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling link-cplusplus v1.0.8
[INFO] [stderr]    Compiling cxx v1.0.95
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling cxx-build v1.0.95
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.95
[INFO] [stderr]    Compiling cxx-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.96s
[INFO] running `Command { std: "docker" "inspect" "95f42bbd55766efc5d7b1345332406ccdbee47167320210ae3036b0438a8b5b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95f42bbd55766efc5d7b1345332406ccdbee47167320210ae3036b0438a8b5b3", kill_on_drop: false }`
[INFO] [stdout] 95f42bbd55766efc5d7b1345332406ccdbee47167320210ae3036b0438a8b5b3
[INFO] checking harry-anderson/cxx-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%2Fharry-anderson%2Fcxx-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/harry-anderson/cxx-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/harry-anderson/cxx-test
[INFO] finished tweaking git repo https://github.com/harry-anderson/cxx-test
[INFO] tweaked toml for git repo https://github.com/harry-anderson/cxx-test written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/harry-anderson/cxx-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] 64399c616a101f0d344c7110153c1b293ebe95dbbe046b634b4c683646368fd5
[INFO] running `Command { std: "docker" "start" "-a" "64399c616a101f0d344c7110153c1b293ebe95dbbe046b634b4c683646368fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64399c616a101f0d344c7110153c1b293ebe95dbbe046b634b4c683646368fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64399c616a101f0d344c7110153c1b293ebe95dbbe046b634b4c683646368fd5", kill_on_drop: false }`
[INFO] [stdout] 64399c616a101f0d344c7110153c1b293ebe95dbbe046b634b4c683646368fd5
[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] 01389f0c61b11bb97f9db2cfa57c58be4aedd1d7e60f59b6fa559faa039a166c
[INFO] running `Command { std: "docker" "start" "-a" "01389f0c61b11bb97f9db2cfa57c58be4aedd1d7e60f59b6fa559faa039a166c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling scratch v1.0.5
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.95
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling link-cplusplus v1.0.8
[INFO] [stderr]    Compiling cxx v1.0.95
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling cxx-build v1.0.95
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.95
[INFO] [stderr]    Compiling cxx-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.87s
[INFO] running `Command { std: "docker" "inspect" "01389f0c61b11bb97f9db2cfa57c58be4aedd1d7e60f59b6fa559faa039a166c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01389f0c61b11bb97f9db2cfa57c58be4aedd1d7e60f59b6fa559faa039a166c", kill_on_drop: false }`
[INFO] [stdout] 01389f0c61b11bb97f9db2cfa57c58be4aedd1d7e60f59b6fa559faa039a166c