[INFO] cloning repository https://github.com/jbboehr/carnix-ring-issue-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jbboehr/carnix-ring-issue-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbboehr%2Fcarnix-ring-issue-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbboehr%2Fcarnix-ring-issue-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1203bb93e3138bcbe82d9524330e28c853ee14a9
[INFO] checking jbboehr/carnix-ring-issue-demo against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbboehr%2Fcarnix-ring-issue-demo" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jbboehr/carnix-ring-issue-demo on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jbboehr/carnix-ring-issue-demo
[INFO] finished tweaking git repo https://github.com/jbboehr/carnix-ring-issue-demo
[INFO] tweaked toml for git repo https://github.com/jbboehr/carnix-ring-issue-demo written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jbboehr/carnix-ring-issue-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded isatty v0.1.7
[INFO] [stderr]   Downloaded pear_codegen v0.0.17
[INFO] [stderr]   Downloaded pear v0.0.17
[INFO] [stderr]   Downloaded rocket v0.3.10
[INFO] [stderr]   Downloaded rocket_codegen v0.3.10
[INFO] [stderr]   Downloaded rocket_contrib v0.3.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f80c5e77443124f530bba44a02a21aaead5e911b587ee0ffbdac01f9cbe6b5d
[INFO] running `Command { std: "docker" "start" "-a" "4f80c5e77443124f530bba44a02a21aaead5e911b587ee0ffbdac01f9cbe6b5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f80c5e77443124f530bba44a02a21aaead5e911b587ee0ffbdac01f9cbe6b5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f80c5e77443124f530bba44a02a21aaead5e911b587ee0ffbdac01f9cbe6b5d", kill_on_drop: false }`
[INFO] [stdout] 4f80c5e77443124f530bba44a02a21aaead5e911b587ee0ffbdac01f9cbe6b5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a17bff71075d46c423ef395445ed1b028948285bcf165b2f361325d5fff7b17
[INFO] running `Command { std: "docker" "start" "-a" "2a17bff71075d46c423ef395445ed1b028948285bcf165b2f361325d5fff7b17", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "2a17bff71075d46c423ef395445ed1b028948285bcf165b2f361325d5fff7b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a17bff71075d46c423ef395445ed1b028948285bcf165b2f361325d5fff7b17", kill_on_drop: false }`
[INFO] [stdout] 2a17bff71075d46c423ef395445ed1b028948285bcf165b2f361325d5fff7b17