[INFO] cloning repository https://github.com/grigoryk/rlox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grigoryk/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrigoryk%2Frlox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrigoryk%2Frlox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3ee6a0ef6c9c2e4bde3aebe785e74d787875225f [INFO] checking grigoryk/rlox against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrigoryk%2Frlox" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/grigoryk/rlox [INFO] finished tweaking git repo https://github.com/grigoryk/rlox [INFO] tweaked toml for git repo https://github.com/grigoryk/rlox written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/grigoryk/rlox on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/grigoryk/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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded text_io v0.1.9 [INFO] [stderr] Downloaded structopt-derive v0.4.15 [INFO] [stderr] Downloaded structopt v0.3.22 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 803378e3a3851906766506afef50efe56286690493fa79418b7ec6ac45cff379 [INFO] running `Command { std: "docker" "start" "-a" "803378e3a3851906766506afef50efe56286690493fa79418b7ec6ac45cff379", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "803378e3a3851906766506afef50efe56286690493fa79418b7ec6ac45cff379", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "803378e3a3851906766506afef50efe56286690493fa79418b7ec6ac45cff379", kill_on_drop: false }` [INFO] [stdout] 803378e3a3851906766506afef50efe56286690493fa79418b7ec6ac45cff379 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1ef2c958c341ac035600eb54e3229045e1fbb08f35b0cba77316489d619a5e21 [INFO] running `Command { std: "docker" "start" "-a" "1ef2c958c341ac035600eb54e3229045e1fbb08f35b0cba77316489d619a5e21", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Checking text_io v0.1.9 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling structopt-derive v0.4.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking structopt v0.3.22 [INFO] [stderr] Checking rlox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `size` is never read [INFO] [stdout] --> src/types.rs:106:18 [INFO] [stdout] | [INFO] [stdout] 106 | Identifier { size: usize, literal: &'a str }, [INFO] [stdout] | ---------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Literal` has a derived impl for the trait `Debug`, but this is 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 `size` is never read [INFO] [stdout] --> src/types.rs:107:14 [INFO] [stdout] | [INFO] [stdout] 107 | String { size: usize, literal: &'a str }, [INFO] [stdout] | ------ ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `line` is never read [INFO] [stdout] --> src/types.rs:113:16 [INFO] [stdout] | [INFO] [stdout] 113 | Operator { line: usize, token: Operator }, [INFO] [stdout] | -------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `line` is never read [INFO] [stdout] --> src/types.rs:114:16 [INFO] [stdout] | [INFO] [stdout] 114 | Grouping { line: usize, token: Grouping }, [INFO] [stdout] | -------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `line` is never read [INFO] [stdout] --> src/types.rs:115:12 [INFO] [stdout] | [INFO] [stdout] 115 | Misc { line: usize, token: Misc }, [INFO] [stdout] | ---- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `line` is never read [INFO] [stdout] --> src/types.rs:116:15 [INFO] [stdout] | [INFO] [stdout] 116 | Literal { line: usize, token: Literal<'a> }, [INFO] [stdout] | ------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `line` is never read [INFO] [stdout] --> src/types.rs:117:15 [INFO] [stdout] | [INFO] [stdout] 117 | Keyword { line: usize, token: Keyword }, [INFO] [stdout] | ------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `line` is never read [INFO] [stdout] --> src/types.rs:118:11 [INFO] [stdout] | [INFO] [stdout] 118 | Eof { line: usize }, [INFO] [stdout] | --- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/scanner.rs:91:56 [INFO] [stdout] | [INFO] [stdout] 91 | fn scan_token(&'a self, scan_index: &ScanIndex) -> ScanResult { [INFO] [stdout] | -- the lifetime is named here ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 91 | fn scan_token(&'a self, scan_index: &ScanIndex) -> ScanResult<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/scanner.rs:217:15 [INFO] [stdout] | [INFO] [stdout] 217 | fn number(&self, scan_index: &ScanIndex) -> ScanResult { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 217 | fn number(&self, scan_index: &ScanIndex) -> ScanResult<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/scanner.rs:243:15 [INFO] [stdout] | [INFO] [stdout] 243 | fn string(&self, scan_index: &ScanIndex) -> ScanResult { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 243 | fn string(&self, scan_index: &ScanIndex) -> ScanResult<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/scanner.rs:279:31 [INFO] [stdout] | [INFO] [stdout] 279 | fn identifier_or_reserved(&self, scan_index: &ScanIndex) -> ScanResult { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 279 | fn identifier_or_reserved(&self, scan_index: &ScanIndex) -> ScanResult<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `size` is never read [INFO] [stdout] --> src/types.rs:106:18 [INFO] [stdout] | [INFO] [stdout] 106 | Identifier { size: usize, literal: &'a str }, [INFO] [stdout] | ---------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Literal` has a derived impl for the trait `Debug`, but this is 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 `size` is never read [INFO] [stdout] --> src/types.rs:107:14 [INFO] [stdout] | [INFO] [stdout] 107 | String { size: usize, literal: &'a str }, [INFO] [stdout] | ------ ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `line` is never read [INFO] [stdout] --> src/types.rs:113:16 [INFO] [stdout] | [INFO] [stdout] 113 | Operator { line: usize, token: Operator }, [INFO] [stdout] | -------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `line` is never read [INFO] [stdout] --> src/types.rs:114:16 [INFO] [stdout] | [INFO] [stdout] 114 | Grouping { line: usize, token: Grouping }, [INFO] [stdout] | -------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `line` is never read [INFO] [stdout] --> src/types.rs:115:12 [INFO] [stdout] | [INFO] [stdout] 115 | Misc { line: usize, token: Misc }, [INFO] [stdout] | ---- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `line` is never read [INFO] [stdout] --> src/types.rs:116:15 [INFO] [stdout] | [INFO] [stdout] 116 | Literal { line: usize, token: Literal<'a> }, [INFO] [stdout] | ------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `line` is never read [INFO] [stdout] --> src/types.rs:117:15 [INFO] [stdout] | [INFO] [stdout] 117 | Keyword { line: usize, token: Keyword }, [INFO] [stdout] | ------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `line` is never read [INFO] [stdout] --> src/types.rs:118:11 [INFO] [stdout] | [INFO] [stdout] 118 | Eof { line: usize }, [INFO] [stdout] | --- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/scanner.rs:91:56 [INFO] [stdout] | [INFO] [stdout] 91 | fn scan_token(&'a self, scan_index: &ScanIndex) -> ScanResult { [INFO] [stdout] | -- the lifetime is named here ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 91 | fn scan_token(&'a self, scan_index: &ScanIndex) -> ScanResult<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/scanner.rs:217:15 [INFO] [stdout] | [INFO] [stdout] 217 | fn number(&self, scan_index: &ScanIndex) -> ScanResult { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 217 | fn number(&self, scan_index: &ScanIndex) -> ScanResult<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/scanner.rs:243:15 [INFO] [stdout] | [INFO] [stdout] 243 | fn string(&self, scan_index: &ScanIndex) -> ScanResult { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 243 | fn string(&self, scan_index: &ScanIndex) -> ScanResult<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/scanner.rs:279:31 [INFO] [stdout] | [INFO] [stdout] 279 | fn identifier_or_reserved(&self, scan_index: &ScanIndex) -> ScanResult { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 279 | fn identifier_or_reserved(&self, scan_index: &ScanIndex) -> ScanResult<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.57s [INFO] running `Command { std: "docker" "inspect" "1ef2c958c341ac035600eb54e3229045e1fbb08f35b0cba77316489d619a5e21", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ef2c958c341ac035600eb54e3229045e1fbb08f35b0cba77316489d619a5e21", kill_on_drop: false }` [INFO] [stdout] 1ef2c958c341ac035600eb54e3229045e1fbb08f35b0cba77316489d619a5e21