[INFO] fetching crate rustc-hex 2.1.0... [INFO] checking rustc-hex-2.1.0 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1 [INFO] extracting crate rustc-hex 2.1.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate rustc-hex 2.1.0 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rustc-hex 2.1.0 [INFO] finished tweaking crates.io crate rustc-hex 2.1.0 [INFO] tweaked toml for crates.io crate rustc-hex 2.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "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" "+35936c4839dd272646394779d151e060d0f6b3ac" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ef239dbc1dd60eccbeff8a053d8ec587e35789f30ff1113f0910c28c3b11a726 [INFO] running `Command { std: "docker" "start" "-a" "ef239dbc1dd60eccbeff8a053d8ec587e35789f30ff1113f0910c28c3b11a726", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef239dbc1dd60eccbeff8a053d8ec587e35789f30ff1113f0910c28c3b11a726", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef239dbc1dd60eccbeff8a053d8ec587e35789f30ff1113f0910c28c3b11a726", kill_on_drop: false }` [INFO] [stdout] ef239dbc1dd60eccbeff8a053d8ec587e35789f30ff1113f0910c28c3b11a726 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e254abeededc266691dc9a0e0a0cef2868b71e4610cb3f4d488788814b0741e2 [INFO] running `Command { std: "docker" "start" "-a" "e254abeededc266691dc9a0e0a0cef2868b71e4610cb3f4d488788814b0741e2", kill_on_drop: false }` [INFO] [stderr] Checking rustc-hex v2.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> benches/hex.rs:14:22 [INFO] [stdout] | [INFO] [stdout] 14 | s.as_bytes().to_hex(); [INFO] [stdout] | ^^^^^^ cannot infer type of the type parameter `T` declared on the method `to_hex` [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: FromIterator` [INFO] [stdout] note: required by a bound in `to_hex` [INFO] [stdout] --> /opt/rustwide/workdir/src/lib.rs:25:18 [INFO] [stdout] | [INFO] [stdout] 25 | fn to_hex>(&self) -> T; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ required by this bound in `ToHex::to_hex` [INFO] [stdout] help: consider specifying the generic argument [INFO] [stdout] | [INFO] [stdout] 14 | s.as_bytes().to_hex::(); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> benches/hex.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let sb = s.as_bytes().to_hex(); [INFO] [stdout] | ^^ [INFO] [stdout] 24 | b.iter(|| { [INFO] [stdout] 25 | sb.from_hex().unwrap(); [INFO] [stdout] | -- type must be known at this point [INFO] [stdout] | [INFO] [stdout] help: consider giving `sb` an explicit type [INFO] [stdout] | [INFO] [stdout] 23 | let sb: /* Type */ = s.as_bytes().to_hex(); [INFO] [stdout] | ++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FromHex` [INFO] [stdout] --> benches/hex.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | use hex::{FromHex, ToHex}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0282, E0283. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rustc-hex` (bench "hex") due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "e254abeededc266691dc9a0e0a0cef2868b71e4610cb3f4d488788814b0741e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e254abeededc266691dc9a0e0a0cef2868b71e4610cb3f4d488788814b0741e2", kill_on_drop: false }` [INFO] [stdout] e254abeededc266691dc9a0e0a0cef2868b71e4610cb3f4d488788814b0741e2 [INFO] checking rustc-hex-2.1.0 against try#9ae1860851f3fbc1435a1698e572252c0076f413 for pr-122960-1 [INFO] extracting crate rustc-hex 2.1.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate rustc-hex 2.1.0 on toolchain 9ae1860851f3fbc1435a1698e572252c0076f413 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rustc-hex 2.1.0 [INFO] finished tweaking crates.io crate rustc-hex 2.1.0 [INFO] tweaked toml for crates.io crate rustc-hex 2.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "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" "+9ae1860851f3fbc1435a1698e572252c0076f413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b6461fdc92166070d643ff83bc20937a83a433d220f4af53b11444aaa4ae623c [INFO] running `Command { std: "docker" "start" "-a" "b6461fdc92166070d643ff83bc20937a83a433d220f4af53b11444aaa4ae623c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b6461fdc92166070d643ff83bc20937a83a433d220f4af53b11444aaa4ae623c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6461fdc92166070d643ff83bc20937a83a433d220f4af53b11444aaa4ae623c", kill_on_drop: false }` [INFO] [stdout] b6461fdc92166070d643ff83bc20937a83a433d220f4af53b11444aaa4ae623c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c7e85ed72c77e2ced7a9a0fbef445142033024c86a3ca58c4c6f7d22a8ac8247 [INFO] running `Command { std: "docker" "start" "-a" "c7e85ed72c77e2ced7a9a0fbef445142033024c86a3ca58c4c6f7d22a8ac8247", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] skipping non-2021 edition `2018` [INFO] running `Command { std: "docker" "inspect" "c7e85ed72c77e2ced7a9a0fbef445142033024c86a3ca58c4c6f7d22a8ac8247", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7e85ed72c77e2ced7a9a0fbef445142033024c86a3ca58c4c6f7d22a8ac8247", kill_on_drop: false }` [INFO] [stdout] c7e85ed72c77e2ced7a9a0fbef445142033024c86a3ca58c4c6f7d22a8ac8247