[INFO] fetching crate wrought 0.1.2...
[INFO] checking wrought-0.1.2 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[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 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded beef v0.4.4
[INFO] [stderr]   Downloaded indexmap v1.6.1
[INFO] [stderr]   Downloaded clap v3.0.0-beta.2
[INFO] [stderr]   Downloaded clap_derive v3.0.0-beta.2
[INFO] [stderr]   Downloaded strsim v0.10.0
[INFO] [stderr]   Downloaded codespan v0.11.0
[INFO] [stderr]   Downloaded logos-derive v0.11.5
[INFO] [stderr]   Downloaded logos v0.11.4
[INFO] [stderr]   Downloaded codespan-reporting v0.11.0
[INFO] [stderr]   Downloaded syn v1.0.55
[INFO] [stderr]   Downloaded os_str_bytes v2.4.0
[INFO] [stderr]   Downloaded textwrap v0.12.1
[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2b8d43cf22d07b1816a4e48060cc10c6d30a894188b127d3e538f5802c3b8ab8
[INFO] running `Command { std: "docker" "start" "-a" "2b8d43cf22d07b1816a4e48060cc10c6d30a894188b127d3e538f5802c3b8ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b8d43cf22d07b1816a4e48060cc10c6d30a894188b127d3e538f5802c3b8ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b8d43cf22d07b1816a4e48060cc10c6d30a894188b127d3e538f5802c3b8ab8", kill_on_drop: false }`
[INFO] [stdout] 2b8d43cf22d07b1816a4e48060cc10c6d30a894188b127d3e538f5802c3b8ab8
[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2374e5943fb271c40cefec43e239440ea43706a82f7b11f297ad557c5a272445
[INFO] running `Command { std: "docker" "start" "-a" "2374e5943fb271c40cefec43e239440ea43706a82f7b11f297ad557c5a272445", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking codespan-reporting v0.11.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking codespan v0.11.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[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: 5 warnings emitted
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.75s
[INFO] running `Command { std: "docker" "inspect" "2374e5943fb271c40cefec43e239440ea43706a82f7b11f297ad557c5a272445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2374e5943fb271c40cefec43e239440ea43706a82f7b11f297ad557c5a272445", kill_on_drop: false }`
[INFO] [stdout] 2374e5943fb271c40cefec43e239440ea43706a82f7b11f297ad557c5a272445