[INFO] cloning repository https://github.com/Shinwon-Kang/rlox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Shinwon-Kang/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShinwon-Kang%2Frlox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShinwon-Kang%2Frlox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7c9b110695f5717190f19371f9393de146fcb8f9 [INFO] checking Shinwon-Kang/rlox against master#e1ac0fa95ba15221ee195647cb12464df3164513 for pr-126090 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShinwon-Kang%2Frlox" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Shinwon-Kang/rlox on toolchain e1ac0fa95ba15221ee195647cb12464df3164513 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e1ac0fa95ba15221ee195647cb12464df3164513" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Shinwon-Kang/rlox [INFO] finished tweaking git repo https://github.com/Shinwon-Kang/rlox [INFO] tweaked toml for git repo https://github.com/Shinwon-Kang/rlox written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Shinwon-Kang/rlox 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" "+e1ac0fa95ba15221ee195647cb12464df3164513" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking Shinwon-Kang/rlox against try#09fa13185567a1d9c37905d6a4a2ea56e7f44efc for pr-126090 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShinwon-Kang%2Frlox" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Shinwon-Kang/rlox on toolchain 09fa13185567a1d9c37905d6a4a2ea56e7f44efc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09fa13185567a1d9c37905d6a4a2ea56e7f44efc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Shinwon-Kang/rlox [INFO] finished tweaking git repo https://github.com/Shinwon-Kang/rlox [INFO] tweaked toml for git repo https://github.com/Shinwon-Kang/rlox written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Shinwon-Kang/rlox 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" "+09fa13185567a1d9c37905d6a4a2ea56e7f44efc" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+09fa13185567a1d9c37905d6a4a2ea56e7f44efc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 99f5c7a6b9b0b068a717f41a5e6a0f052f125173c491fa0cab8bb3c7d5f7bd73 [INFO] running `Command { std: "docker" "start" "-a" "99f5c7a6b9b0b068a717f41a5e6a0f052f125173c491fa0cab8bb3c7d5f7bd73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "99f5c7a6b9b0b068a717f41a5e6a0f052f125173c491fa0cab8bb3c7d5f7bd73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99f5c7a6b9b0b068a717f41a5e6a0f052f125173c491fa0cab8bb3c7d5f7bd73", kill_on_drop: false }` [INFO] [stdout] 99f5c7a6b9b0b068a717f41a5e6a0f052f125173c491fa0cab8bb3c7d5f7bd73 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+09fa13185567a1d9c37905d6a4a2ea56e7f44efc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5b496450302b229475b90d21ec3c3a1540e3570344fadd33bdf6b29d940edb9a [INFO] running `Command { std: "docker" "start" "-a" "5b496450302b229475b90d21ec3c3a1540e3570344fadd33bdf6b29d940edb9a", kill_on_drop: false }` [INFO] [stderr] Checking rlox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:241:13 [INFO] [stdout] | [INFO] [stdout] 241 | Integer(i32), [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] 241 | Integer(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:241:13 [INFO] [stdout] | [INFO] [stdout] 241 | Integer(i32), [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] 241 | Integer(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:242:11 [INFO] [stdout] | [INFO] [stdout] 242 | Float(f32), [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] 242 | Float(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:242:11 [INFO] [stdout] | [INFO] [stdout] 242 | Float(f32), [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] 242 | Float(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:243:12 [INFO] [stdout] | [INFO] [stdout] 243 | String(String), [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] 243 | String(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:243:12 [INFO] [stdout] | [INFO] [stdout] 243 | String(String), [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] 243 | String(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `token_type`, `lexeme`, `literal`, and `line` are never read [INFO] [stdout] --> src/main.rs:249:5 [INFO] [stdout] | [INFO] [stdout] 248 | struct Token { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 249 | token_type: TokenType, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 250 | lexeme: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 251 | literal: Literal, // Object? [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 252 | line: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` 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 `token_type`, `lexeme`, `literal`, and `line` are never read [INFO] [stdout] --> src/main.rs:249:5 [INFO] [stdout] | [INFO] [stdout] 248 | struct Token { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 249 | token_type: TokenType, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 250 | lexeme: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 251 | literal: Literal, // Object? [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 252 | line: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` 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: variants `And`, `Class`, and `Else` are never constructed [INFO] [stdout] --> src/main.rs:286:5 [INFO] [stdout] | [INFO] [stdout] 256 | enum TokenType { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 286 | And, [INFO] [stdout] | ^^^ [INFO] [stdout] 287 | Class, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 288 | Else, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenType` 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: variants `And`, `Class`, and `Else` are never constructed [INFO] [stdout] --> src/main.rs:286:5 [INFO] [stdout] | [INFO] [stdout] 256 | enum TokenType { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 286 | And, [INFO] [stdout] | ^^^ [INFO] [stdout] 287 | Class, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 288 | Else, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenType` 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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] running `Command { std: "docker" "inspect" "5b496450302b229475b90d21ec3c3a1540e3570344fadd33bdf6b29d940edb9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b496450302b229475b90d21ec3c3a1540e3570344fadd33bdf6b29d940edb9a", kill_on_drop: false }` [INFO] [stdout] 5b496450302b229475b90d21ec3c3a1540e3570344fadd33bdf6b29d940edb9a