[INFO] cloning repository https://github.com/jonathandw743/iter_variants
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonathandw743/iter_variants" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonathandw743%2Fiter_variants", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonathandw743%2Fiter_variants'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bda5a9eb531b97503ddaf2109f60b39fac2a88db
[INFO] checking jonathandw743/iter_variants against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonathandw743%2Fiter_variants" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jonathandw743/iter_variants
[INFO] finished tweaking git repo https://github.com/jonathandw743/iter_variants
[INFO] tweaked toml for git repo https://github.com/jonathandw743/iter_variants written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jonathandw743/iter_variants on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jonathandw743/iter_variants 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa83a9379c8293c6a69c051a256f134bad327185cc43769475ef2395ada1c563
[INFO] running `Command { std: "docker" "start" "-a" "aa83a9379c8293c6a69c051a256f134bad327185cc43769475ef2395ada1c563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa83a9379c8293c6a69c051a256f134bad327185cc43769475ef2395ada1c563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa83a9379c8293c6a69c051a256f134bad327185cc43769475ef2395ada1c563", kill_on_drop: false }`
[INFO] [stdout] aa83a9379c8293c6a69c051a256f134bad327185cc43769475ef2395ada1c563
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b37b0baa91e431d1aa67c0d04a2b2fed32fc72127c76d0fb5ad68cd26de8b010
[INFO] running `Command { std: "docker" "start" "-a" "b37b0baa91e431d1aa67c0d04a2b2fed32fc72127c76d0fb5ad68cd26de8b010", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking proc-macro2 v1.0.94
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking iter_variants_derive v0.2.0 (/opt/rustwide/workdir/derive)
[INFO] [stderr]     Checking iter_variants v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.27s
[INFO] running `Command { std: "docker" "inspect" "b37b0baa91e431d1aa67c0d04a2b2fed32fc72127c76d0fb5ad68cd26de8b010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b37b0baa91e431d1aa67c0d04a2b2fed32fc72127c76d0fb5ad68cd26de8b010", kill_on_drop: false }`
[INFO] [stdout] b37b0baa91e431d1aa67c0d04a2b2fed32fc72127c76d0fb5ad68cd26de8b010