[INFO] fetching crate netascii 0.1.0...
[INFO] checking netascii-0.1.0 against try#b6bca0d7327839b5e3f7a7779947cb9113d08917+rustflags=-Zstrict-projection-item-bounds for 150662-leaf
[INFO] extracting crate netascii 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate netascii 0.1.0
[INFO] finished tweaking crates.io crate netascii 0.1.0
[INFO] tweaked toml for crates.io crate netascii 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate netascii 0.1.0 on toolchain b6bca0d7327839b5e3f7a7779947cb9113d08917
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cb9733dce7c2ccb9feb239476c0e333137b311f3e369105cf7437cf42da3baa
[INFO] running `Command { std: "docker" "start" "-a" "0cb9733dce7c2ccb9feb239476c0e333137b311f3e369105cf7437cf42da3baa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cb9733dce7c2ccb9feb239476c0e333137b311f3e369105cf7437cf42da3baa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cb9733dce7c2ccb9feb239476c0e333137b311f3e369105cf7437cf42da3baa", kill_on_drop: false }`
[INFO] [stdout] 0cb9733dce7c2ccb9feb239476c0e333137b311f3e369105cf7437cf42da3baa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Zstrict-projection-item-bounds" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35d55a23b59bef51d470e52c4e1e53b12597d36dc926516c6dfdfe44e3e32c48
[INFO] running `Command { std: "docker" "start" "-a" "35d55a23b59bef51d470e52c4e1e53b12597d36dc926516c6dfdfe44e3e32c48", kill_on_drop: false }`
[INFO] [stderr]     Checking netascii v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]   --> src/lib.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl<I: Iterator<Item = u8>> Bytes<I> {
[INFO] [stdout]    |                  ^^^^^^^^^ cannot infer type
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `<I as Iterator>::Item == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]   --> src/lib.rs:92:18
[INFO] [stdout]    |
[INFO] [stdout] 92 | impl<I: Iterator<Item = u8>> Netascii<I> {
[INFO] [stdout]    |                  ^^^^^^^^^ cannot infer type
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `<I as Iterator>::Item == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `<I as Iterator>::Item == u8`
[INFO] [stdout]   --> src/lib.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         Self {
[INFO] [stdout]    |         ^^^^ cannot satisfy `<I as Iterator>::Item == u8`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Bytes`
[INFO] [stdout]   --> src/lib.rs:21:30
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Bytes<I: Iterator<Item = u8>> {
[INFO] [stdout]    |                              ^^^^^^^^^ required by this bound in `Bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]   --> src/lib.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl<I: Iterator<Item = u8>> Bytes<I> {
[INFO] [stdout]    |                  ^^^^^^^^^ cannot infer type
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `<I as Iterator>::Item == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed
[INFO] [stdout]   --> src/lib.rs:92:18
[INFO] [stdout]    |
[INFO] [stdout] 92 | impl<I: Iterator<Item = u8>> Netascii<I> {
[INFO] [stdout]    |                  ^^^^^^^^^ cannot infer type
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `<I as Iterator>::Item == _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `<I as Iterator>::Item == u8`
[INFO] [stdout]   --> src/lib.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         Self {
[INFO] [stdout]    |         ^^^^ cannot satisfy `<I as Iterator>::Item == u8`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Bytes`
[INFO] [stdout]   --> src/lib.rs:21:30
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Bytes<I: Iterator<Item = u8>> {
[INFO] [stdout]    |                              ^^^^^^^^^ required by this bound in `Bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `netascii` (lib test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `netascii` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "35d55a23b59bef51d470e52c4e1e53b12597d36dc926516c6dfdfe44e3e32c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35d55a23b59bef51d470e52c4e1e53b12597d36dc926516c6dfdfe44e3e32c48", kill_on_drop: false }`
[INFO] [stdout] 35d55a23b59bef51d470e52c4e1e53b12597d36dc926516c6dfdfe44e3e32c48