[INFO] cloning repository https://github.com/piravelha/luar.rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/piravelha/luar.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiravelha%2Fluar.rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiravelha%2Fluar.rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dae4c9432e2f86978ba09404921298a261af5935 [INFO] checking piravelha/luar.rs against try#2278ef25f90817c20d6dd0d2da58a990eb6f53cb for pr-145108-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiravelha%2Fluar.rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/piravelha/luar.rs [INFO] finished tweaking git repo https://github.com/piravelha/luar.rs [INFO] tweaked toml for git repo https://github.com/piravelha/luar.rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/piravelha/luar.rs on toolchain 2278ef25f90817c20d6dd0d2da58a990eb6f53cb [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2278ef25f90817c20d6dd0d2da58a990eb6f53cb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/piravelha/luar.rs 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" "+2278ef25f90817c20d6dd0d2da58a990eb6f53cb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking piravelha/luar.rs against try#2278ef25f90817c20d6dd0d2da58a990eb6f53cb for pr-145108-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiravelha%2Fluar.rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/piravelha/luar.rs [INFO] finished tweaking git repo https://github.com/piravelha/luar.rs [INFO] tweaked toml for git repo https://github.com/piravelha/luar.rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/piravelha/luar.rs on toolchain 2278ef25f90817c20d6dd0d2da58a990eb6f53cb [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2278ef25f90817c20d6dd0d2da58a990eb6f53cb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/piravelha/luar.rs 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" "+2278ef25f90817c20d6dd0d2da58a990eb6f53cb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2278ef25f90817c20d6dd0d2da58a990eb6f53cb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5153baf36c3dccd225df48c28af0035b102c3e9ecf479b82a3a65abc2f92ddd8 [INFO] running `Command { std: "docker" "start" "-a" "5153baf36c3dccd225df48c28af0035b102c3e9ecf479b82a3a65abc2f92ddd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5153baf36c3dccd225df48c28af0035b102c3e9ecf479b82a3a65abc2f92ddd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5153baf36c3dccd225df48c28af0035b102c3e9ecf479b82a3a65abc2f92ddd8", kill_on_drop: false }` [INFO] [stdout] 5153baf36c3dccd225df48c28af0035b102c3e9ecf479b82a3a65abc2f92ddd8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2278ef25f90817c20d6dd0d2da58a990eb6f53cb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 615fdd967854b970e66279a3dbc05e52fcf85435a49989cbbd08ce95eb65c4dc [INFO] running `Command { std: "docker" "start" "-a" "615fdd967854b970e66279a3dbc05e52fcf85435a49989cbbd08ce95eb65c4dc", kill_on_drop: false }` [INFO] [stderr] Checking luar v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `file`, `line`, and `column` are never read [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | struct Location { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 7 | file: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 8 | line: i32, [INFO] [stdout] | ^^^^ [INFO] [stdout] 9 | column: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Location` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:92:22 [INFO] [stdout] | [INFO] [stdout] 92 | InvalidCharacter(char), [INFO] [stdout] | ---------------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `TokenErrorKind` has derived impls for the traits `Clone` and `Debug`, but these are 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] 92 - InvalidCharacter(char), [INFO] [stdout] 92 + InvalidCharacter(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `location` and `kind` are never read [INFO] [stdout] --> src/main.rs:97:5 [INFO] [stdout] | [INFO] [stdout] 96 | struct TokenError { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 97 | location: Location, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 98 | kind: TokenErrorKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:119:12 [INFO] [stdout] | [INFO] [stdout] 119 | IntLit(i32), [INFO] [stdout] | ------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are 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] 119 - IntLit(i32), [INFO] [stdout] 119 + IntLit(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/main.rs:121:12 [INFO] [stdout] | [INFO] [stdout] 121 | Binary(Box, BinaryOp, Box), [INFO] [stdout] | ------ ^^^^^^^^^ ^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 121 - Binary(Box, BinaryOp, Box), [INFO] [stdout] 121 + Binary((), (), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `FuncCall` is never constructed [INFO] [stdout] --> src/main.rs:122:5 [INFO] [stdout] | [INFO] [stdout] 118 | enum Expr { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 122 | FuncCall(Box, Vec), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/main.rs:127:13 [INFO] [stdout] | [INFO] [stdout] 127 | VarDecl(String, Type, Expr), [INFO] [stdout] | ------- ^^^^^^ ^^^^ ^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Stmt` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 127 - VarDecl(String, Type, Expr), [INFO] [stdout] 127 + VarDecl((), (), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `file`, `line`, and `column` are never read [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | struct Location { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 7 | file: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 8 | line: i32, [INFO] [stdout] | ^^^^ [INFO] [stdout] 9 | column: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Location` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:128:12 [INFO] [stdout] | [INFO] [stdout] 128 | Return(Expr), [INFO] [stdout] | ------ ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Stmt` has derived impls for the traits `Clone` and `Debug`, but these are 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] 128 - Return(Expr), [INFO] [stdout] 128 + Return(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Boolean` and `Nil` are never constructed [INFO] [stdout] --> src/main.rs:134:5 [INFO] [stdout] | [INFO] [stdout] 132 | enum Type { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 133 | Int, [INFO] [stdout] 134 | Boolean, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 135 | Nil, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:92:22 [INFO] [stdout] | [INFO] [stdout] 92 | InvalidCharacter(char), [INFO] [stdout] | ---------------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `TokenErrorKind` has derived impls for the traits `Clone` and `Debug`, but these are 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] 92 - InvalidCharacter(char), [INFO] [stdout] 92 + InvalidCharacter(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:139:14 [INFO] [stdout] | [INFO] [stdout] 139 | struct Chunk(Vec); [INFO] [stdout] | ----- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Chunk` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `location` and `kind` are never read [INFO] [stdout] --> src/main.rs:97:5 [INFO] [stdout] | [INFO] [stdout] 96 | struct TokenError { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 97 | location: Location, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 98 | kind: TokenErrorKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:119:12 [INFO] [stdout] | [INFO] [stdout] 119 | IntLit(i32), [INFO] [stdout] | ------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are 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] 119 - IntLit(i32), [INFO] [stdout] 119 + IntLit(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/main.rs:121:12 [INFO] [stdout] | [INFO] [stdout] 121 | Binary(Box, BinaryOp, Box), [INFO] [stdout] | ------ ^^^^^^^^^ ^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 121 - Binary(Box, BinaryOp, Box), [INFO] [stdout] 121 + Binary((), (), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `FuncCall` is never constructed [INFO] [stdout] --> src/main.rs:122:5 [INFO] [stdout] | [INFO] [stdout] 118 | enum Expr { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 122 | FuncCall(Box, Vec), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/main.rs:127:13 [INFO] [stdout] | [INFO] [stdout] 127 | VarDecl(String, Type, Expr), [INFO] [stdout] | ------- ^^^^^^ ^^^^ ^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Stmt` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 127 - VarDecl(String, Type, Expr), [INFO] [stdout] 127 + VarDecl((), (), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:128:12 [INFO] [stdout] | [INFO] [stdout] 128 | Return(Expr), [INFO] [stdout] | ------ ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Stmt` has derived impls for the traits `Clone` and `Debug`, but these are 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] 128 - Return(Expr), [INFO] [stdout] 128 + Return(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Boolean` and `Nil` are never constructed [INFO] [stdout] --> src/main.rs:134:5 [INFO] [stdout] | [INFO] [stdout] 132 | enum Type { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 133 | Int, [INFO] [stdout] 134 | Boolean, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 135 | Nil, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:139:14 [INFO] [stdout] | [INFO] [stdout] 139 | struct Chunk(Vec); [INFO] [stdout] | ----- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Chunk` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] running `Command { std: "docker" "inspect" "615fdd967854b970e66279a3dbc05e52fcf85435a49989cbbd08ce95eb65c4dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "615fdd967854b970e66279a3dbc05e52fcf85435a49989cbbd08ce95eb65c4dc", kill_on_drop: false }` [INFO] [stdout] 615fdd967854b970e66279a3dbc05e52fcf85435a49989cbbd08ce95eb65c4dc