[INFO] fetching crate wrought 0.1.2...
[INFO] checking wrought-0.1.2 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate wrought 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate wrought 0.1.2 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wrought 0.1.2
[INFO] finished tweaking crates.io crate wrought 0.1.2
[INFO] tweaked toml for crates.io crate wrought 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate wrought 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded codespan v0.11.0
[INFO] [stderr]   Downloaded codespan-reporting v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 403ed714f83d872d840d4274f1f168a645a12c85687a0744c293e9c721adb816
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "403ed714f83d872d840d4274f1f168a645a12c85687a0744c293e9c721adb816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "403ed714f83d872d840d4274f1f168a645a12c85687a0744c293e9c721adb816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "403ed714f83d872d840d4274f1f168a645a12c85687a0744c293e9c721adb816", kill_on_drop: false }`
[INFO] [stdout] 403ed714f83d872d840d4274f1f168a645a12c85687a0744c293e9c721adb816
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be5349539ed1997513d3a1c0ee74a602d153027bf48277f73319ead7ded0c0b5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "be5349539ed1997513d3a1c0ee74a602d153027bf48277f73319ead7ded0c0b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking codespan-reporting v0.11.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking codespan v0.11.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking logos v0.11.4
[INFO] [stderr]     Checking wrought v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> src/parser.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::lexer::{ Token, TokenData };
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `M`
[INFO] [stdout]  --> src/parser.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::ast::{ M, Module };
[INFO] [stdout]   |                   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> src/parser.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::lexer::{ Token, TokenData };
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `M`
[INFO] [stdout]  --> src/parser.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::ast::{ M, Module };
[INFO] [stdout]   |                   ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token_data`
[INFO] [stdout]   --> src/parser.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn parse(token_data: TokenData) -> Option<ParserData> {
[INFO] [stdout]    |          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token_data`
[INFO] [stdout]   --> src/parser.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn parse(token_data: TokenData) -> Option<ParserData> {
[INFO] [stdout]    |          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ParserData`
[INFO] [stdout]  --> src/parser.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct ParserData {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse`
[INFO] [stdout]   --> src/parser.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn parse(token_data: TokenData) -> Option<ParserData> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ParserData`
[INFO] [stdout]  --> src/parser.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct ParserData {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse`
[INFO] [stdout]   --> src/parser.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn parse(token_data: TokenData) -> Option<ParserData> {
[INFO] [stdout]    |    ^^^^^
[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 [unoptimized + debuginfo] target(s) in 38.85s
[INFO] running `Command { std: "docker" "inspect" "be5349539ed1997513d3a1c0ee74a602d153027bf48277f73319ead7ded0c0b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be5349539ed1997513d3a1c0ee74a602d153027bf48277f73319ead7ded0c0b5", kill_on_drop: false }`
[INFO] [stdout] be5349539ed1997513d3a1c0ee74a602d153027bf48277f73319ead7ded0c0b5