[INFO] fetching crate digital-ink-library 1.4.0... [INFO] checking digital-ink-library-1.4.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate digital-ink-library 1.4.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate digital-ink-library 1.4.0 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 digital-ink-library 1.4.0 [INFO] finished tweaking crates.io crate digital-ink-library 1.4.0 [INFO] tweaked toml for crates.io crate digital-ink-library 1.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 27 packages [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a20c086b270afec746a462fa7721e59f841bd974bbcc73fbe101590a8f7f6779 [INFO] running `Command { std: "docker" "start" "-a" "a20c086b270afec746a462fa7721e59f841bd974bbcc73fbe101590a8f7f6779", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a20c086b270afec746a462fa7721e59f841bd974bbcc73fbe101590a8f7f6779", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a20c086b270afec746a462fa7721e59f841bd974bbcc73fbe101590a8f7f6779", kill_on_drop: false }` [INFO] [stdout] a20c086b270afec746a462fa7721e59f841bd974bbcc73fbe101590a8f7f6779 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dcb11df83d752e40ca70cf745332756e0506a44146fd837f70fcfcb569569114 [INFO] running `Command { std: "docker" "start" "-a" "dcb11df83d752e40ca70cf745332756e0506a44146fd837f70fcfcb569569114", kill_on_drop: false }` [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking digital-ink-library v1.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/stroke.rs:184:61 [INFO] [stdout] | [INFO] [stdout] 184 | enum Field { Type, Meta, X, Y, Timestamp, Pressure }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde` is imported redundantly [INFO] [stdout] --> src/sketch.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use serde; [INFO] [stdout] | ^^^^^ the item `serde` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/sketch.rs:202:43 [INFO] [stdout] | [INFO] [stdout] 202 | enum Field { Type, Meta, Strokes }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/stroke.rs:184:61 [INFO] [stdout] | [INFO] [stdout] 184 | enum Field { Type, Meta, X, Y, Timestamp, Pressure }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde` is imported redundantly [INFO] [stdout] --> src/sketch.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use serde; [INFO] [stdout] | ^^^^^ the item `serde` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/sketch.rs:202:43 [INFO] [stdout] | [INFO] [stdout] 202 | enum Field { Type, Meta, Strokes }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.75s [INFO] running `Command { std: "docker" "inspect" "dcb11df83d752e40ca70cf745332756e0506a44146fd837f70fcfcb569569114", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcb11df83d752e40ca70cf745332756e0506a44146fd837f70fcfcb569569114", kill_on_drop: false }` [INFO] [stdout] dcb11df83d752e40ca70cf745332756e0506a44146fd837f70fcfcb569569114 [INFO] checking digital-ink-library-1.4.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate digital-ink-library 1.4.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate digital-ink-library 1.4.0 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 digital-ink-library 1.4.0 [INFO] finished tweaking crates.io crate digital-ink-library 1.4.0 [INFO] tweaked toml for crates.io crate digital-ink-library 1.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 26af9a38655753d4bfb172f6910958ccbc43b2f4cf4506e5f6f4b683daadd953 [INFO] running `Command { std: "docker" "start" "-a" "26af9a38655753d4bfb172f6910958ccbc43b2f4cf4506e5f6f4b683daadd953", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "26af9a38655753d4bfb172f6910958ccbc43b2f4cf4506e5f6f4b683daadd953", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26af9a38655753d4bfb172f6910958ccbc43b2f4cf4506e5f6f4b683daadd953", kill_on_drop: false }` [INFO] [stdout] 26af9a38655753d4bfb172f6910958ccbc43b2f4cf4506e5f6f4b683daadd953 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d3737d0178a1aecaa0cf78de0df59ca10966a695fbd6f69835fa1373ca01f1c6 [INFO] running `Command { std: "docker" "start" "-a" "d3737d0178a1aecaa0cf78de0df59ca10966a695fbd6f69835fa1373ca01f1c6", kill_on_drop: false }` [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Checking fastrand v2.0.2 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Checking digital-ink-library v1.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/stroke.rs:184:61 [INFO] [stdout] | [INFO] [stdout] 184 | enum Field { Type, Meta, X, Y, Timestamp, Pressure }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde` is imported redundantly [INFO] [stdout] --> src/sketch.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use serde; [INFO] [stdout] | ^^^^^ the item `serde` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/sketch.rs:202:43 [INFO] [stdout] | [INFO] [stdout] 202 | enum Field { Type, Meta, Strokes }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/stroke.rs:184:61 [INFO] [stdout] | [INFO] [stdout] 184 | enum Field { Type, Meta, X, Y, Timestamp, Pressure }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde` is imported redundantly [INFO] [stdout] --> src/sketch.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use serde; [INFO] [stdout] | ^^^^^ the item `serde` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/sketch.rs:202:43 [INFO] [stdout] | [INFO] [stdout] 202 | enum Field { Type, Meta, Strokes }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/serialization/json_serializer.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | / match loads_sketch(contents) { [INFO] [stdout] 32 | | Err(e) => return Err(e.to_string()), [INFO] [stdout] 33 | | Ok(s) => return Ok(s), [INFO] [stdout] 34 | | }; [INFO] [stdout] | |_____^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/serialization/json_serializer.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | / match loads_sketch(contents) { [INFO] [stdout] 32 | | Err(e) => return Err(e.to_string()), [INFO] [stdout] 33 | | Ok(s) => return Ok(s), [INFO] [stdout] 34 | | }; [INFO] [stdout] | |_____^ cannot infer type [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 E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `digital-ink-library` (lib) due to 2 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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 E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `digital-ink-library` (lib test) due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "d3737d0178a1aecaa0cf78de0df59ca10966a695fbd6f69835fa1373ca01f1c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3737d0178a1aecaa0cf78de0df59ca10966a695fbd6f69835fa1373ca01f1c6", kill_on_drop: false }` [INFO] [stdout] d3737d0178a1aecaa0cf78de0df59ca10966a695fbd6f69835fa1373ca01f1c6