[INFO] fetching crate fjord 0.4.12... [INFO] checking fjord-0.4.12 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate fjord 0.4.12 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate fjord 0.4.12 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 fjord 0.4.12 [INFO] finished tweaking crates.io crate fjord 0.4.12 [INFO] tweaked toml for crates.io crate fjord 0.4.12 written to /workspace/builds/worker-6-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 38 packages [INFO] [stderr] Adding beef v0.4.4 (latest: v0.5.2) [INFO] [stderr] Adding hashbrown v0.9.1 (latest: v0.14.3) [INFO] [stderr] Adding is_executable v0.1.2 (latest: v1.0.1) [INFO] [stderr] Adding logos v0.11.4 (latest: v0.14.0) [INFO] [stderr] Adding logos-derive v0.11.5 (latest: v0.14.0) [INFO] [stderr] Adding num_enum v0.5.11 (latest: v0.7.2) [INFO] [stderr] Adding num_enum_derive v0.5.11 (latest: v0.7.2) [INFO] [stderr] Adding proc-macro-crate v1.3.1 (latest: v3.1.0) [INFO] [stderr] Adding regex-syntax v0.6.29 (latest: v0.8.3) [INFO] [stderr] Adding rowan v0.10.6 (latest: v0.15.15) [INFO] [stderr] Adding smol_str v0.1.24 (latest: v0.2.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding toml_edit v0.19.15 (latest: v0.22.9) [INFO] [stderr] Adding winnow v0.5.40 (latest: v0.6.5) [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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded smol_str v0.1.24 [INFO] [stderr] Downloaded beef v0.4.4 [INFO] [stderr] Downloaded triomphe v0.1.11 [INFO] [stderr] Downloaded text-size v1.1.1 [INFO] [stderr] Downloaded is_executable v0.1.2 [INFO] [stderr] Downloaded logos v0.11.4 [INFO] [stderr] Downloaded dissimilar v1.0.7 [INFO] [stderr] Downloaded expect-test v1.5.0 [INFO] [stderr] Downloaded logos-derive v0.11.5 [INFO] [stderr] Downloaded rowan v0.10.6 [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] 9016444e1b8f51022e3a1c0c42b3b831fbabba54399db5a12d2cb16dd50b7c2d [INFO] running `Command { std: "docker" "start" "-a" "9016444e1b8f51022e3a1c0c42b3b831fbabba54399db5a12d2cb16dd50b7c2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9016444e1b8f51022e3a1c0c42b3b831fbabba54399db5a12d2cb16dd50b7c2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9016444e1b8f51022e3a1c0c42b3b831fbabba54399db5a12d2cb16dd50b7c2d", kill_on_drop: false }` [INFO] [stdout] 9016444e1b8f51022e3a1c0c42b3b831fbabba54399db5a12d2cb16dd50b7c2d [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] fe234b54c00c8cb34dbd690cdaca0cd5e76768c3c6d767d55c197daf80a9d2a2 [INFO] running `Command { std: "docker" "start" "-a" "fe234b54c00c8cb34dbd690cdaca0cd5e76768c3c6d767d55c197daf80a9d2a2", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling toml_datetime v0.6.5 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling utf8-ranges v1.0.5 [INFO] [stderr] Compiling beef v0.4.4 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking text-size v1.1.1 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking is_executable v0.1.2 [INFO] [stderr] Checking dissimilar v1.0.7 [INFO] [stderr] Compiling toml_edit v0.19.15 [INFO] [stderr] Checking expect-test v1.5.0 [INFO] [stderr] Compiling proc-macro-crate v1.3.1 [INFO] [stderr] Compiling logos-derive v0.11.5 [INFO] [stderr] Compiling num_enum_derive v0.5.11 [INFO] [stderr] Checking triomphe v0.1.11 [INFO] [stderr] Checking smol_str v0.1.24 [INFO] [stderr] Checking rowan v0.10.6 [INFO] [stderr] Checking num_enum v0.5.11 [INFO] [stderr] Checking logos v0.11.4 [INFO] [stderr] Checking fjord v0.4.12 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:103:10 [INFO] [stdout] | [INFO] [stdout] 103 | True(True), [INFO] [stdout] | ---- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 103 | True(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:104:11 [INFO] [stdout] | [INFO] [stdout] 104 | False(False), [INFO] [stdout] | ----- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 104 | False(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:103:10 [INFO] [stdout] | [INFO] [stdout] 103 | True(True), [INFO] [stdout] | ---- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 103 | True(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:104:11 [INFO] [stdout] | [INFO] [stdout] 104 | False(False), [INFO] [stdout] | ----- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 104 | False(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.93s [INFO] running `Command { std: "docker" "inspect" "fe234b54c00c8cb34dbd690cdaca0cd5e76768c3c6d767d55c197daf80a9d2a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe234b54c00c8cb34dbd690cdaca0cd5e76768c3c6d767d55c197daf80a9d2a2", kill_on_drop: false }` [INFO] [stdout] fe234b54c00c8cb34dbd690cdaca0cd5e76768c3c6d767d55c197daf80a9d2a2