[INFO] cloning repository https://github.com/NicolasPllr1/rox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NicolasPllr1/rox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicolasPllr1%2Frox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicolasPllr1%2Frox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 767ff25e663adb55890ad1e506aea3cc591b954c [INFO] checking NicolasPllr1/rox against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicolasPllr1%2Frox" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/NicolasPllr1/rox [INFO] finished tweaking git repo https://github.com/NicolasPllr1/rox [INFO] tweaked toml for git repo https://github.com/NicolasPllr1/rox written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/NicolasPllr1/rox on toolchain a5689b034ad287112f709693384a37f1377eb9cc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/NicolasPllr1/rox 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 8384ecf799b7b2074db7eb7d52fd52526d7c82782fb629b74da58d97e4e9735d [INFO] running `Command { std: "docker" "start" "8384ecf799b7b2074db7eb7d52fd52526d7c82782fb629b74da58d97e4e9735d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8384ecf799b7b2074db7eb7d52fd52526d7c82782fb629b74da58d97e4e9735d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8384ecf799b7b2074db7eb7d52fd52526d7c82782fb629b74da58d97e4e9735d" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8384ecf799b7b2074db7eb7d52fd52526d7c82782fb629b74da58d97e4e9735d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8384ecf799b7b2074db7eb7d52fd52526d7c82782fb629b74da58d97e4e9735d" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Checking rox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `current_idx` is never read [INFO] [stdout] --> src/lexing/scanner.rs:87:29 [INFO] [stdout] | [INFO] [stdout] 87 | ... current_idx += 1; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ this value is reassigned later and never used [INFO] [stdout] ... [INFO] [stdout] 102 | ... current_idx += 1; [INFO] [stdout] | ---------------- `current_idx` is overwritten here before the previous value is read [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `current_idx` is never read [INFO] [stdout] --> src/lexing/scanner.rs:87:29 [INFO] [stdout] | [INFO] [stdout] 87 | ... current_idx += 1; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ this value is reassigned later and never used [INFO] [stdout] ... [INFO] [stdout] 102 | ... current_idx += 1; [INFO] [stdout] | ---------------- `current_idx` is overwritten here before the previous value is read [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: useless conversion to the same type: `&str` [INFO] [stdout] --> src/lexing/scanner.rs:436:31 [INFO] [stdout] | [INFO] [stdout] 436 | literal: Some("hello".into()), [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [INFO] [stdout] help: consider removing the conversion call [INFO] [stdout] | [INFO] [stdout] 436 - literal: Some("hello".into()), [INFO] [stdout] 436 + literal: Some("hello"), [INFO] [stdout] | [INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint [INFO] [stdout] | [INFO] [stdout] 436 - literal: Some("hello".into()), [INFO] [stdout] 436 + literal: Some(<&str as Into<_>>::into("hello")), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: useless conversion to the same type: `&str` [INFO] [stdout] --> src/lexing/scanner.rs:494:31 [INFO] [stdout] | [INFO] [stdout] 494 | literal: Some("123.456".into()), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors [INFO] [stdout] help: consider removing the conversion call [INFO] [stdout] | [INFO] [stdout] 494 - literal: Some("123.456".into()), [INFO] [stdout] 494 + literal: Some("123.456"), [INFO] [stdout] | [INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint [INFO] [stdout] | [INFO] [stdout] 494 - literal: Some("123.456".into()), [INFO] [stdout] 494 + literal: Some(<&str as Into<_>>::into("123.456")), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rox` (lib test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "8384ecf799b7b2074db7eb7d52fd52526d7c82782fb629b74da58d97e4e9735d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8384ecf799b7b2074db7eb7d52fd52526d7c82782fb629b74da58d97e4e9735d", kill_on_drop: false }` [INFO] [stdout] 8384ecf799b7b2074db7eb7d52fd52526d7c82782fb629b74da58d97e4e9735d