[INFO] fetching crate elmx 0.1.0...
[INFO] checking elmx-0.1.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate elmx 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate elmx 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate elmx 0.1.0
[INFO] tweaked toml for crates.io crate elmx 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate elmx 0.1.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate elmx 0.1.0 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae0f1415fb1b1d8290001222eee33b95da85f9c00c699a7767e1e9207a729e13
[INFO] running `Command { std: "docker" "start" "-a" "ae0f1415fb1b1d8290001222eee33b95da85f9c00c699a7767e1e9207a729e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae0f1415fb1b1d8290001222eee33b95da85f9c00c699a7767e1e9207a729e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae0f1415fb1b1d8290001222eee33b95da85f9c00c699a7767e1e9207a729e13", kill_on_drop: false }`
[INFO] [stdout] ae0f1415fb1b1d8290001222eee33b95da85f9c00c699a7767e1e9207a729e13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1ad296cab34e82eb171759ebef699903a5d20adb93939256dba05b04ce45261
[INFO] running `Command { std: "docker" "start" "-a" "c1ad296cab34e82eb171759ebef699903a5d20adb93939256dba05b04ce45261", kill_on_drop: false }`
[INFO] [stderr]     Checking elmx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `peekable` and `current` are never read
[INFO] [stdout]   --> src/parser/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Parser<'a> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 10 |     peekable: Peekable<Lexer<'a>>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 11 |     current: Option<Token<'a>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `exprs` is never read
[INFO] [stdout]   --> src/parser/mod.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Ast {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 28 |     exprs: Vec<Expr>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `peekable` and `current` are never read
[INFO] [stdout]   --> src/parser/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Parser<'a> {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 10 |     peekable: Peekable<Lexer<'a>>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 11 |     current: Option<Token<'a>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `exprs` is never read
[INFO] [stdout]   --> src/parser/mod.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Ast {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 28 |     exprs: Vec<Expr>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> tests/lexer.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn lex(input: &str) -> Vec<Token> {
[INFO] [stdout]   |               ^^^^         ----- the same lifetime is hidden here
[INFO] [stdout]   |               |
[INFO] [stdout]   |               the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn lex(input: &str) -> Vec<Token<'_>> {
[INFO] [stdout]   |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "c1ad296cab34e82eb171759ebef699903a5d20adb93939256dba05b04ce45261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1ad296cab34e82eb171759ebef699903a5d20adb93939256dba05b04ce45261", kill_on_drop: false }`
[INFO] [stdout] c1ad296cab34e82eb171759ebef699903a5d20adb93939256dba05b04ce45261