[INFO] cloning repository https://github.com/tocklime/rustc_iterwrapper_hang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tocklime/rustc_iterwrapper_hang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftocklime%2Frustc_iterwrapper_hang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftocklime%2Frustc_iterwrapper_hang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a28fc3642b466c36c2bb43dfbfc20f66b802e76a [INFO] testing tocklime/rustc_iterwrapper_hang against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftocklime%2Frustc_iterwrapper_hang" "/workspace/builds/worker-17/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tocklime/rustc_iterwrapper_hang on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tocklime/rustc_iterwrapper_hang [INFO] finished tweaking git repo https://github.com/tocklime/rustc_iterwrapper_hang [INFO] tweaked toml for git repo https://github.com/tocklime/rustc_iterwrapper_hang written to /workspace/builds/worker-17/source/Cargo.toml [INFO] crate git repo https://github.com/tocklime/rustc_iterwrapper_hang already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c6e745c06d67c1be504a2232dde3776c1deb795b0e1bd0e5b269f3f2c10ba321 [INFO] running `Command { std: "docker" "start" "-a" "c6e745c06d67c1be504a2232dde3776c1deb795b0e1bd0e5b269f3f2c10ba321", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c6e745c06d67c1be504a2232dde3776c1deb795b0e1bd0e5b269f3f2c10ba321", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6e745c06d67c1be504a2232dde3776c1deb795b0e1bd0e5b269f3f2c10ba321", kill_on_drop: false }` [INFO] [stdout] c6e745c06d67c1be504a2232dde3776c1deb795b0e1bd0e5b269f3f2c10ba321 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e3e5326ef03238464dab07e7e31097416e7356acb8e0ce2f7ce051211d749761 [INFO] running `Command { std: "docker" "start" "-a" "e3e5326ef03238464dab07e7e31097416e7356acb8e0ce2f7ce051211d749761", kill_on_drop: false }` [INFO] [stderr] Compiling rustc_hang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0275]: overflow evaluating the requirement ` as Iterator>::Item == usize` [INFO] [stdout] | [INFO] [stdout] = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`rustc_hang`) [INFO] [stdout] note: required because of the requirements on the impl of `Iterator` for `IterWrap>` [INFO] [stdout] --> src/main.rs:17:36 [INFO] [stdout] | [INFO] [stdout] 17 | impl<'a, V, T: Iterator> Iterator for IterWrap<'a, V, T> { [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: 64 redundant requirements hidden [INFO] [stdout] = note: required because of the requirements on the impl of `Iterator` for `IterWrap>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0275`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rustc_hang` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "e3e5326ef03238464dab07e7e31097416e7356acb8e0ce2f7ce051211d749761", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3e5326ef03238464dab07e7e31097416e7356acb8e0ce2f7ce051211d749761", kill_on_drop: false }` [INFO] [stdout] e3e5326ef03238464dab07e7e31097416e7356acb8e0ce2f7ce051211d749761