[INFO] fetching crate dxrs 0.0.1... [INFO] checking dxrs-0.0.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate dxrs 0.0.1 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate dxrs 0.0.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate dxrs 0.0.1 [INFO] finished tweaking crates.io crate dxrs 0.0.1 [INFO] tweaked toml for crates.io crate dxrs 0.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate dxrs 0.0.1 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2b3eef0d907777171d9914a6e6d4b4cad8127a00c8baea4e10f12045ec8117e3 [INFO] running `Command { std: "docker" "start" "-a" "2b3eef0d907777171d9914a6e6d4b4cad8127a00c8baea4e10f12045ec8117e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2b3eef0d907777171d9914a6e6d4b4cad8127a00c8baea4e10f12045ec8117e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b3eef0d907777171d9914a6e6d4b4cad8127a00c8baea4e10f12045ec8117e3", kill_on_drop: false }` [INFO] [stdout] 2b3eef0d907777171d9914a6e6d4b4cad8127a00c8baea4e10f12045ec8117e3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bd2fe5ac907d9d7beb6f74533c43fb05323d8f57738c834836f4c2947f901f26 [INFO] running `Command { std: "docker" "start" "-a" "bd2fe5ac907d9d7beb6f74533c43fb05323d8f57738c834836f4c2947f901f26", kill_on_drop: false }` [INFO] [stderr] Checking dxrs v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/parse.rs:1184:10 [INFO] [stdout] | [INFO] [stdout] 1184 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/parse.rs:1184:10 [INFO] [stdout] | [INFO] [stdout] 1184 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parse.rs:615:12 [INFO] [stdout] | [INFO] [stdout] 615 | fn new(mut chars: Chars<'a>) -> Self { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parse.rs:615:12 [INFO] [stdout] | [INFO] [stdout] 615 | fn new(mut chars: Chars<'a>) -> Self { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `iter` [INFO] [stdout] --> src/parse.rs:793:14 [INFO] [stdout] | [INFO] [stdout] 793 | fn f(iter: &CharIter, c: char) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_iter` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `current` and `index` are never used [INFO] [stdout] --> src/parse.rs:630:8 [INFO] [stdout] | [INFO] [stdout] 613 | impl<'a> CharIter<'a> { [INFO] [stdout] | --------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 630 | fn current(&self) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 671 | fn index(&self) -> usize { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `f` is never used [INFO] [stdout] --> src/parse.rs:793:12 [INFO] [stdout] | [INFO] [stdout] 793 | fn f(iter: &CharIter, c: char) { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `iter` [INFO] [stdout] --> src/parse.rs:793:14 [INFO] [stdout] | [INFO] [stdout] 793 | fn f(iter: &CharIter, c: char) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_iter` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `current` and `index` are never used [INFO] [stdout] --> src/parse.rs:630:8 [INFO] [stdout] | [INFO] [stdout] 613 | impl<'a> CharIter<'a> { [INFO] [stdout] | --------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 630 | fn current(&self) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 671 | fn index(&self) -> usize { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `f` is never used [INFO] [stdout] --> src/parse.rs:793:12 [INFO] [stdout] | [INFO] [stdout] 793 | fn f(iter: &CharIter, c: char) { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s [INFO] running `Command { std: "docker" "inspect" "bd2fe5ac907d9d7beb6f74533c43fb05323d8f57738c834836f4c2947f901f26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd2fe5ac907d9d7beb6f74533c43fb05323d8f57738c834836f4c2947f901f26", kill_on_drop: false }` [INFO] [stdout] bd2fe5ac907d9d7beb6f74533c43fb05323d8f57738c834836f4c2947f901f26 [INFO] checking dxrs-0.0.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate dxrs 0.0.1 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate dxrs 0.0.1 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate dxrs 0.0.1 [INFO] finished tweaking crates.io crate dxrs 0.0.1 [INFO] tweaked toml for crates.io crate dxrs 0.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate dxrs 0.0.1 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a26f6e09c9baccc49a5192e422f7d1e85f9c03d1241f3d7975770beaed5a83a0 [INFO] running `Command { std: "docker" "start" "-a" "a26f6e09c9baccc49a5192e422f7d1e85f9c03d1241f3d7975770beaed5a83a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a26f6e09c9baccc49a5192e422f7d1e85f9c03d1241f3d7975770beaed5a83a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a26f6e09c9baccc49a5192e422f7d1e85f9c03d1241f3d7975770beaed5a83a0", kill_on_drop: false }` [INFO] [stdout] a26f6e09c9baccc49a5192e422f7d1e85f9c03d1241f3d7975770beaed5a83a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ebfc0931b12cf963f706148a4199fac699be16ab8361335f562acbdfee1aa315 [INFO] running `Command { std: "docker" "start" "-a" "ebfc0931b12cf963f706148a4199fac699be16ab8361335f562acbdfee1aa315", kill_on_drop: false }` [INFO] [stderr] Checking dxrs v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/parse.rs:1184:10 [INFO] [stdout] | [INFO] [stdout] 1184 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/parse.rs:1184:10 [INFO] [stdout] | [INFO] [stdout] 1184 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> src/parse.rs:1405:24 [INFO] [stdout] | [INFO] [stdout] 1405 | } else if c == '"' { [INFO] [stdout] | ________________________^ [INFO] [stdout] 1406 | | return Ok(SeekResult::QuoteOpening); [INFO] [stdout] 1407 | | } else { [INFO] [stdout] 1408 | | return Ok(SeekResult::Glyphs(c)); [INFO] [stdout] 1409 | | }; [INFO] [stdout] | |_________________^ cannot satisfy `_ -> _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> src/parse.rs:1405:24 [INFO] [stdout] | [INFO] [stdout] 1405 | } else if c == '"' { [INFO] [stdout] | ________________________^ [INFO] [stdout] 1406 | | return Ok(SeekResult::QuoteOpening); [INFO] [stdout] 1407 | | } else { [INFO] [stdout] 1408 | | return Ok(SeekResult::Glyphs(c)); [INFO] [stdout] 1409 | | }; [INFO] [stdout] | |_________________^ cannot satisfy `_ -> _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parse.rs:615:12 [INFO] [stdout] | [INFO] [stdout] 615 | fn new(mut chars: Chars<'a>) -> Self { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parse.rs:615:12 [INFO] [stdout] | [INFO] [stdout] 615 | fn new(mut chars: Chars<'a>) -> Self { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `iter` [INFO] [stdout] --> src/parse.rs:793:14 [INFO] [stdout] | [INFO] [stdout] 793 | fn f(iter: &CharIter, c: char) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_iter` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `iter` [INFO] [stdout] --> src/parse.rs:793:14 [INFO] [stdout] | [INFO] [stdout] 793 | fn f(iter: &CharIter, c: char) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_iter` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0284`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0284`. [INFO] [stdout] [INFO] [stderr] error: could not compile `dxrs` (lib) due to 2 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `dxrs` (lib test) due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "ebfc0931b12cf963f706148a4199fac699be16ab8361335f562acbdfee1aa315", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebfc0931b12cf963f706148a4199fac699be16ab8361335f562acbdfee1aa315", kill_on_drop: false }` [INFO] [stdout] ebfc0931b12cf963f706148a4199fac699be16ab8361335f562acbdfee1aa315