[INFO] cloning repository https://github.com/rust-cxx/cargo-cxx
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-cxx/cargo-cxx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-cxx%2Fcargo-cxx", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-cxx%2Fcargo-cxx'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 624dd571e7b9a7cc89679ca11994e17cd0d7221e
[INFO] checking rust-cxx/cargo-cxx against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-cxx%2Fcargo-cxx" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-cxx/cargo-cxx 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/rust-cxx/cargo-cxx
[INFO] finished tweaking git repo https://github.com/rust-cxx/cargo-cxx
[INFO] tweaked toml for git repo https://github.com/rust-cxx/cargo-cxx written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-cxx/cargo-cxx 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 cmake v0.1.35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 270730e105915688d2d423c62a3bc981df22817b73fb84f9eebb5dd0497f90ef
[INFO] running `Command { std: "docker" "start" "-a" "270730e105915688d2d423c62a3bc981df22817b73fb84f9eebb5dd0497f90ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "270730e105915688d2d423c62a3bc981df22817b73fb84f9eebb5dd0497f90ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "270730e105915688d2d423c62a3bc981df22817b73fb84f9eebb5dd0497f90ef", kill_on_drop: false }`
[INFO] [stdout] 270730e105915688d2d423c62a3bc981df22817b73fb84f9eebb5dd0497f90ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 37e6a2d6441fcf27755883fa647717187b2d7061199b4880d9346e0aab7c87f9
[INFO] running `Command { std: "docker" "start" "-a" "37e6a2d6441fcf27755883fa647717187b2d7061199b4880d9346e0aab7c87f9", kill_on_drop: false }`
[INFO] [stderr]     Checking cc v1.0.26
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking cmake v0.1.35
[INFO] [stderr]     Checking cargo-cxx v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "37e6a2d6441fcf27755883fa647717187b2d7061199b4880d9346e0aab7c87f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37e6a2d6441fcf27755883fa647717187b2d7061199b4880d9346e0aab7c87f9", kill_on_drop: false }`
[INFO] [stdout] 37e6a2d6441fcf27755883fa647717187b2d7061199b4880d9346e0aab7c87f9