[INFO] cloning repository https://github.com/frozenlib/iter-n
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frozenlib/iter-n" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrozenlib%2Fiter-n", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrozenlib%2Fiter-n'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74e72e890cc8d950fe7f95a440dd1cd14ea0ac62
[INFO] checking frozenlib/iter-n against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrozenlib%2Fiter-n" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frozenlib/iter-n on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/frozenlib/iter-n
[INFO] finished tweaking git repo https://github.com/frozenlib/iter-n
[INFO] tweaked toml for git repo https://github.com/frozenlib/iter-n written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/frozenlib/iter-n 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13a458f31b95f3921c2d76fa67d4f6697e2abba05b958dcdff853bd5b9b39c95
[INFO] running `Command { std: "docker" "start" "-a" "13a458f31b95f3921c2d76fa67d4f6697e2abba05b958dcdff853bd5b9b39c95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13a458f31b95f3921c2d76fa67d4f6697e2abba05b958dcdff853bd5b9b39c95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13a458f31b95f3921c2d76fa67d4f6697e2abba05b958dcdff853bd5b9b39c95", kill_on_drop: false }`
[INFO] [stdout] 13a458f31b95f3921c2d76fa67d4f6697e2abba05b958dcdff853bd5b9b39c95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62cd70280eeb7c948a3aeed6315ab329d5067a1cf258038db32958fa8edf1a7e
[INFO] running `Command { std: "docker" "start" "-a" "62cd70280eeb7c948a3aeed6315ab329d5067a1cf258038db32958fa8edf1a7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]     Checking iter-n v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking quote v1.0.36
[INFO] [stderr]     Checking syn v2.0.60
[INFO] [stderr]     Checking iter-n-gen v0.1.0 (/opt/rustwide/workdir/gen)
[INFO] [stdout] warning: trait `Iterator` is never used
[INFO] [stdout]  --> gen/src/template.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait Iterator {
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DoubleEndedIterator` is never used
[INFO] [stdout]    --> gen/src/template.rs:161:7
[INFO] [stdout]     |
[INFO] [stdout] 161 | trait DoubleEndedIterator: Iterator {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ExactSizeIterator` is never used
[INFO] [stdout]    --> gen/src/template.rs:176:7
[INFO] [stdout]     |
[INFO] [stdout] 176 | trait ExactSizeIterator: Iterator {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FusedIterator` is never used
[INFO] [stdout]    --> gen/src/template.rs:180:7
[INFO] [stdout]     |
[INFO] [stdout] 180 | trait FusedIterator: Iterator {}
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Iterator` is never used
[INFO] [stdout]  --> gen/src/template.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait Iterator {
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DoubleEndedIterator` is never used
[INFO] [stdout]    --> gen/src/template.rs:161:7
[INFO] [stdout]     |
[INFO] [stdout] 161 | trait DoubleEndedIterator: Iterator {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ExactSizeIterator` is never used
[INFO] [stdout]    --> gen/src/template.rs:176:7
[INFO] [stdout]     |
[INFO] [stdout] 176 | trait ExactSizeIterator: Iterator {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FusedIterator` is never used
[INFO] [stdout]    --> gen/src/template.rs:180:7
[INFO] [stdout]     |
[INFO] [stdout] 180 | trait FusedIterator: Iterator {}
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "62cd70280eeb7c948a3aeed6315ab329d5067a1cf258038db32958fa8edf1a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62cd70280eeb7c948a3aeed6315ab329d5067a1cf258038db32958fa8edf1a7e", kill_on_drop: false }`
[INFO] [stdout] 62cd70280eeb7c948a3aeed6315ab329d5067a1cf258038db32958fa8edf1a7e