[INFO] fetching crate elmx 0.1.0...
[INFO] testing elmx-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate elmx 0.1.0 into /workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate elmx 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa30a8608fa6cb23ca4edc4cf2e369fa27f0a33f2cb7de25c813591c31b20e0a
[INFO] running `Command { std: "docker" "start" "-a" "aa30a8608fa6cb23ca4edc4cf2e369fa27f0a33f2cb7de25c813591c31b20e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa30a8608fa6cb23ca4edc4cf2e369fa27f0a33f2cb7de25c813591c31b20e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa30a8608fa6cb23ca4edc4cf2e369fa27f0a33f2cb7de25c813591c31b20e0a", kill_on_drop: false }`
[INFO] [stdout] aa30a8608fa6cb23ca4edc4cf2e369fa27f0a33f2cb7de25c813591c31b20e0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac23f2b86793cf4c25b7ac981891cae30ee071383403290e2340498bcf14bfa4
[INFO] running `Command { std: "docker" "start" "-a" "ac23f2b86793cf4c25b7ac981891cae30ee071383403290e2340498bcf14bfa4", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "ac23f2b86793cf4c25b7ac981891cae30ee071383403290e2340498bcf14bfa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac23f2b86793cf4c25b7ac981891cae30ee071383403290e2340498bcf14bfa4", kill_on_drop: false }`
[INFO] [stdout] ac23f2b86793cf4c25b7ac981891cae30ee071383403290e2340498bcf14bfa4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b645d621c194eff952c2912a3418465ab88daf0d4a4df37a952c0c8f8bbadf92
[INFO] running `Command { std: "docker" "start" "-a" "b645d621c194eff952c2912a3418465ab88daf0d4a4df37a952c0c8f8bbadf92", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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] [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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "b645d621c194eff952c2912a3418465ab88daf0d4a4df37a952c0c8f8bbadf92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b645d621c194eff952c2912a3418465ab88daf0d4a4df37a952c0c8f8bbadf92", kill_on_drop: false }`
[INFO] [stdout] b645d621c194eff952c2912a3418465ab88daf0d4a4df37a952c0c8f8bbadf92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c9f15488dff901f74cbf36dfffc181b38d321f6469bdf6cb69b8f4194ef8dcb7
[INFO] running `Command { std: "docker" "start" "-a" "c9f15488dff901f74cbf36dfffc181b38d321f6469bdf6cb69b8f4194ef8dcb7", kill_on_drop: false }`
[INFO] [stderr] warning: fields `peekable` and `current` are never read
[INFO] [stderr]   --> src/parser/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | pub struct Parser<'a> {
[INFO] [stderr]    |            ------ fields in this struct
[INFO] [stderr] 10 |     peekable: Peekable<Lexer<'a>>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 11 |     current: Option<Token<'a>>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `exprs` is never read
[INFO] [stderr]   --> src/parser/mod.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub struct Ast {
[INFO] [stderr]    |            --- field in this struct
[INFO] [stderr] 28 |     exprs: Vec<Expr>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `elmx` (lib) generated 2 warnings
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]  --> tests/lexer.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn lex(input: &str) -> Vec<Token> {
[INFO] [stderr]   |               ^^^^         ^^^^^ the same lifetime is hidden here
[INFO] [stderr]   |               |
[INFO] [stderr]   |               the lifetime is elided here
[INFO] [stderr]   |
[INFO] [stderr]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn lex(input: &str) -> Vec<Token<'_>> {
[INFO] [stderr]   |                                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `elmx` (test "lexer") generated 1 warning (run `cargo fix --test "lexer" -p elmx` to apply 1 suggestion)
[INFO] [stderr] warning: `elmx` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/elmx-064ab9746ea584e7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/elmx-b289bcd4b5468cd6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lexer.rs (/opt/rustwide/target/debug/deps/lexer-e21ba940c1d6884c)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test dot ... ok
[INFO] [stdout] test tokens ... ok
[INFO] [stdout] test let_stmt ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests elmx
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c9f15488dff901f74cbf36dfffc181b38d321f6469bdf6cb69b8f4194ef8dcb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9f15488dff901f74cbf36dfffc181b38d321f6469bdf6cb69b8f4194ef8dcb7", kill_on_drop: false }`
[INFO] [stdout] c9f15488dff901f74cbf36dfffc181b38d321f6469bdf6cb69b8f4194ef8dcb7
