[INFO] updating cached repository https://github.com/busyluo/roc [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d582ca067dc97572aa6a5f09624f52f368d40e93 [INFO] checking busyluo/roc against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbusyluo%2Froc" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/busyluo/roc on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/busyluo/roc [INFO] finished tweaking git repo https://github.com/busyluo/roc [INFO] tweaked toml for git repo https://github.com/busyluo/roc written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/busyluo/roc already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0c4c79d090ff6e720cfcaeb635085b4c01e5d0260a253b0d8727fc8d54087a02 [INFO] running `"docker" "start" "-a" "0c4c79d090ff6e720cfcaeb635085b4c01e5d0260a253b0d8727fc8d54087a02"` [INFO] [stderr] Checking array-init v0.1.0 [INFO] [stderr] Checking roc v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variant is never constructed: `MultiCharSymbol` [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | MultiCharSymbol, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/main.rs:15:8 [INFO] [stderr] | [INFO] [stderr] 15 | #[warn(dead_code)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/main.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | fn new() -> DfaNode { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `KwFn` [INFO] [stderr] --> src/main.rs:70:5 [INFO] [stderr] | [INFO] [stderr] 70 | KwFn, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/main.rs:67:8 [INFO] [stderr] | [INFO] [stderr] 67 | #[warn(dead_code)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `KwInt` [INFO] [stderr] --> src/main.rs:71:5 [INFO] [stderr] | [INFO] [stderr] 71 | KwInt, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `KwFloat` [INFO] [stderr] --> src/main.rs:72:5 [INFO] [stderr] | [INFO] [stderr] 72 | KwFloat, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `KwLet` [INFO] [stderr] --> src/main.rs:73:5 [INFO] [stderr] | [INFO] [stderr] 73 | KwLet, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Comma` [INFO] [stderr] --> src/main.rs:74:5 [INFO] [stderr] | [INFO] [stderr] 74 | Comma, // , [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Equal` [INFO] [stderr] --> src/main.rs:75:5 [INFO] [stderr] | [INFO] [stderr] 75 | Equal, // = [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Plus` [INFO] [stderr] --> src/main.rs:76:5 [INFO] [stderr] | [INFO] [stderr] 76 | Plus, // + [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Minus` [INFO] [stderr] --> src/main.rs:77:5 [INFO] [stderr] | [INFO] [stderr] 77 | Minus, // - [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `ParenL` [INFO] [stderr] --> src/main.rs:78:5 [INFO] [stderr] | [INFO] [stderr] 78 | ParenL, // ( [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `ParenR` [INFO] [stderr] --> src/main.rs:79:5 [INFO] [stderr] | [INFO] [stderr] 79 | ParenR, // ) [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `BraceL` [INFO] [stderr] --> src/main.rs:80:5 [INFO] [stderr] | [INFO] [stderr] 80 | BraceL, // { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `BraceR` [INFO] [stderr] --> src/main.rs:81:5 [INFO] [stderr] | [INFO] [stderr] 81 | BraceR, // } [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `NextLine` [INFO] [stderr] --> src/main.rs:82:5 [INFO] [stderr] | [INFO] [stderr] 82 | NextLine, // \n [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `EqualEqual` [INFO] [stderr] --> src/main.rs:83:5 [INFO] [stderr] | [INFO] [stderr] 83 | EqualEqual, // == [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Gt` [INFO] [stderr] --> src/main.rs:84:5 [INFO] [stderr] | [INFO] [stderr] 84 | Gt, // > [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Lt` [INFO] [stderr] --> src/main.rs:85:5 [INFO] [stderr] | [INFO] [stderr] 85 | Lt, // < [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `GtEqual` [INFO] [stderr] --> src/main.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 86 | GtEqual, // >= [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `LtEqual` [INFO] [stderr] --> src/main.rs:87:5 [INFO] [stderr] | [INFO] [stderr] 87 | LtEqual, // <= [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Star` [INFO] [stderr] --> src/main.rs:88:5 [INFO] [stderr] | [INFO] [stderr] 88 | Star, // * [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Slash` [INFO] [stderr] --> src/main.rs:89:5 [INFO] [stderr] | [INFO] [stderr] 89 | Slash, // / [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `PlusEqaul` [INFO] [stderr] --> src/main.rs:90:5 [INFO] [stderr] | [INFO] [stderr] 90 | PlusEqaul, // += [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `MinusEqual` [INFO] [stderr] --> src/main.rs:91:5 [INFO] [stderr] | [INFO] [stderr] 91 | MinusEqual, // -= [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `StarEqual` [INFO] [stderr] --> src/main.rs:92:5 [INFO] [stderr] | [INFO] [stderr] 92 | StarEqual, // *= [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `SlashEqual` [INFO] [stderr] --> src/main.rs:93:5 [INFO] [stderr] | [INFO] [stderr] 93 | SlashEqual, // /= [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `LitStr` [INFO] [stderr] --> src/main.rs:95:5 [INFO] [stderr] | [INFO] [stderr] 95 | LitStr(String), [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `LitFloat` [INFO] [stderr] --> src/main.rs:97:5 [INFO] [stderr] | [INFO] [stderr] 97 | LitFloat(String, f64), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `to_str` [INFO] [stderr] --> src/main.rs:104:5 [INFO] [stderr] | [INFO] [stderr] 104 | fn to_str(&self) -> &str{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/main.rs:102:8 [INFO] [stderr] | [INFO] [stderr] 102 | #[warn(dead_code)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 29 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `MultiCharSymbol` [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | MultiCharSymbol, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/main.rs:15:8 [INFO] [stderr] | [INFO] [stderr] 15 | #[warn(dead_code)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/main.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | fn new() -> DfaNode { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `KwFn` [INFO] [stderr] --> src/main.rs:70:5 [INFO] [stderr] | [INFO] [stderr] 70 | KwFn, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/main.rs:67:8 [INFO] [stderr] | [INFO] [stderr] 67 | #[warn(dead_code)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `KwInt` [INFO] [stderr] --> src/main.rs:71:5 [INFO] [stderr] | [INFO] [stderr] 71 | KwInt, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `KwFloat` [INFO] [stderr] --> src/main.rs:72:5 [INFO] [stderr] | [INFO] [stderr] 72 | KwFloat, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `KwLet` [INFO] [stderr] --> src/main.rs:73:5 [INFO] [stderr] | [INFO] [stderr] 73 | KwLet, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Comma` [INFO] [stderr] --> src/main.rs:74:5 [INFO] [stderr] | [INFO] [stderr] 74 | Comma, // , [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Equal` [INFO] [stderr] --> src/main.rs:75:5 [INFO] [stderr] | [INFO] [stderr] 75 | Equal, // = [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Plus` [INFO] [stderr] --> src/main.rs:76:5 [INFO] [stderr] | [INFO] [stderr] 76 | Plus, // + [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Minus` [INFO] [stderr] --> src/main.rs:77:5 [INFO] [stderr] | [INFO] [stderr] 77 | Minus, // - [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `ParenL` [INFO] [stderr] --> src/main.rs:78:5 [INFO] [stderr] | [INFO] [stderr] 78 | ParenL, // ( [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `ParenR` [INFO] [stderr] --> src/main.rs:79:5 [INFO] [stderr] | [INFO] [stderr] 79 | ParenR, // ) [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `BraceL` [INFO] [stderr] --> src/main.rs:80:5 [INFO] [stderr] | [INFO] [stderr] 80 | BraceL, // { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `BraceR` [INFO] [stderr] --> src/main.rs:81:5 [INFO] [stderr] | [INFO] [stderr] 81 | BraceR, // } [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `NextLine` [INFO] [stderr] --> src/main.rs:82:5 [INFO] [stderr] | [INFO] [stderr] 82 | NextLine, // \n [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `EqualEqual` [INFO] [stderr] --> src/main.rs:83:5 [INFO] [stderr] | [INFO] [stderr] 83 | EqualEqual, // == [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Gt` [INFO] [stderr] --> src/main.rs:84:5 [INFO] [stderr] | [INFO] [stderr] 84 | Gt, // > [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Lt` [INFO] [stderr] --> src/main.rs:85:5 [INFO] [stderr] | [INFO] [stderr] 85 | Lt, // < [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `GtEqual` [INFO] [stderr] --> src/main.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 86 | GtEqual, // >= [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `LtEqual` [INFO] [stderr] --> src/main.rs:87:5 [INFO] [stderr] | [INFO] [stderr] 87 | LtEqual, // <= [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Star` [INFO] [stderr] --> src/main.rs:88:5 [INFO] [stderr] | [INFO] [stderr] 88 | Star, // * [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Slash` [INFO] [stderr] --> src/main.rs:89:5 [INFO] [stderr] | [INFO] [stderr] 89 | Slash, // / [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `PlusEqaul` [INFO] [stderr] --> src/main.rs:90:5 [INFO] [stderr] | [INFO] [stderr] 90 | PlusEqaul, // += [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `MinusEqual` [INFO] [stderr] --> src/main.rs:91:5 [INFO] [stderr] | [INFO] [stderr] 91 | MinusEqual, // -= [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `StarEqual` [INFO] [stderr] --> src/main.rs:92:5 [INFO] [stderr] | [INFO] [stderr] 92 | StarEqual, // *= [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `SlashEqual` [INFO] [stderr] --> src/main.rs:93:5 [INFO] [stderr] | [INFO] [stderr] 93 | SlashEqual, // /= [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `LitStr` [INFO] [stderr] --> src/main.rs:95:5 [INFO] [stderr] | [INFO] [stderr] 95 | LitStr(String), [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `LitFloat` [INFO] [stderr] --> src/main.rs:97:5 [INFO] [stderr] | [INFO] [stderr] 97 | LitFloat(String, f64), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `to_str` [INFO] [stderr] --> src/main.rs:104:5 [INFO] [stderr] | [INFO] [stderr] 104 | fn to_str(&self) -> &str{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/main.rs:102:8 [INFO] [stderr] | [INFO] [stderr] 102 | #[warn(dead_code)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 29 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.89s [INFO] running `"docker" "inspect" "0c4c79d090ff6e720cfcaeb635085b4c01e5d0260a253b0d8727fc8d54087a02"` [INFO] running `"docker" "rm" "-f" "0c4c79d090ff6e720cfcaeb635085b4c01e5d0260a253b0d8727fc8d54087a02"` [INFO] [stdout] 0c4c79d090ff6e720cfcaeb635085b4c01e5d0260a253b0d8727fc8d54087a02