[INFO] cloning repository https://github.com/lhvy/puck [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lhvy/puck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flhvy%2Fpuck", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flhvy%2Fpuck'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e891ccfea65fc8c5f3d9e02c7224f34b60a3e388 [INFO] checking lhvy/puck against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flhvy%2Fpuck" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lhvy/puck 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 git repo https://github.com/lhvy/puck [INFO] finished tweaking git repo https://github.com/lhvy/puck [INFO] tweaked toml for git repo https://github.com/lhvy/puck written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/lhvy/puck 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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded la-arena v0.2.1 [INFO] [stderr] Downloaded expect-test v1.1.0 [INFO] [stderr] Downloaded rowan v0.13.2 [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] b333dfb9d85ed531d6095737a2683c555fc04d073e6d5da15d68797c5c77c99a [INFO] running `Command { std: "docker" "start" "-a" "b333dfb9d85ed531d6095737a2683c555fc04d073e6d5da15d68797c5c77c99a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b333dfb9d85ed531d6095737a2683c555fc04d073e6d5da15d68797c5c77c99a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b333dfb9d85ed531d6095737a2683c555fc04d073e6d5da15d68797c5c77c99a", kill_on_drop: false }` [INFO] [stdout] b333dfb9d85ed531d6095737a2683c555fc04d073e6d5da15d68797c5c77c99a [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] 93f4b11fa0bb8c5d9294584ca472c4face735ae2eaf0ae8554e886081b6d9ddb [INFO] running `Command { std: "docker" "start" "-a" "93f4b11fa0bb8c5d9294584ca472c4face735ae2eaf0ae8554e886081b6d9ddb", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling beef v0.5.1 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling utf8-ranges v1.0.4 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking text-size v1.1.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking countme v2.0.4 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking arrayvec v0.7.1 [INFO] [stderr] Checking rowan v0.13.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Compiling libmimalloc-sys v0.1.22 [INFO] [stderr] Checking drop_bomb v0.1.5 [INFO] [stderr] Checking la-arena v0.2.1 [INFO] [stderr] Checking dissimilar v1.0.2 [INFO] [stderr] Checking expect-test v1.1.0 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking mimalloc v0.1.26 [INFO] [stderr] Compiling logos-derive v0.12.0 [INFO] [stderr] Compiling num-derive v0.3.3 [INFO] [stderr] Checking logos v0.12.0 [INFO] [stderr] Checking puck v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:105:15 [INFO] [stdout] | [INFO] [stdout] 105 | IntOutput(IntOutput), [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] 105 | IntOutput(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:106:16 [INFO] [stdout] | [INFO] [stdout] 106 | CharOutput(CharOutput), [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] 106 | CharOutput(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:135:13 [INFO] [stdout] | [INFO] [stdout] 135 | Nothing(NothingExpr), [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] 135 | Nothing(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:228:31 [INFO] [stdout] | [INFO] [stdout] 228 | pub(crate) struct NothingExpr(SyntaxNode); [INFO] [stdout] | ----------- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `NothingExpr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 228 | pub(crate) struct NothingExpr(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:258:29 [INFO] [stdout] | [INFO] [stdout] 258 | pub(crate) struct IntOutput(SyntaxNode); [INFO] [stdout] | --------- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `IntOutput` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 258 | pub(crate) struct IntOutput(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:261:30 [INFO] [stdout] | [INFO] [stdout] 261 | pub(crate) struct CharOutput(SyntaxNode); [INFO] [stdout] | ---------- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `CharOutput` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 261 | pub(crate) struct CharOutput(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:105:15 [INFO] [stdout] | [INFO] [stdout] 105 | IntOutput(IntOutput), [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] 105 | IntOutput(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:106:16 [INFO] [stdout] | [INFO] [stdout] 106 | CharOutput(CharOutput), [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] 106 | CharOutput(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:135:13 [INFO] [stdout] | [INFO] [stdout] 135 | Nothing(NothingExpr), [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] 135 | Nothing(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:228:31 [INFO] [stdout] | [INFO] [stdout] 228 | pub(crate) struct NothingExpr(SyntaxNode); [INFO] [stdout] | ----------- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `NothingExpr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 228 | pub(crate) struct NothingExpr(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:258:29 [INFO] [stdout] | [INFO] [stdout] 258 | pub(crate) struct IntOutput(SyntaxNode); [INFO] [stdout] | --------- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `IntOutput` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 258 | pub(crate) struct IntOutput(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ast.rs:261:30 [INFO] [stdout] | [INFO] [stdout] 261 | pub(crate) struct CharOutput(SyntaxNode); [INFO] [stdout] | ---------- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `CharOutput` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 261 | pub(crate) struct CharOutput(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.60s [INFO] running `Command { std: "docker" "inspect" "93f4b11fa0bb8c5d9294584ca472c4face735ae2eaf0ae8554e886081b6d9ddb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93f4b11fa0bb8c5d9294584ca472c4face735ae2eaf0ae8554e886081b6d9ddb", kill_on_drop: false }` [INFO] [stdout] 93f4b11fa0bb8c5d9294584ca472c4face735ae2eaf0ae8554e886081b6d9ddb