[INFO] fetching crate xlang_frontend 0.1.6...
[INFO] building xlang_frontend-0.1.6 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate xlang_frontend 0.1.6 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate xlang_frontend 0.1.6
[INFO] finished tweaking crates.io crate xlang_frontend 0.1.6
[INFO] tweaked toml for crates.io crate xlang_frontend 0.1.6 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xlang_frontend 0.1.6 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xlang_frontend 0.1.6 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xlang_vm_core v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5197950a3b5de54ed73b8bbdebb618781b3950bd68820aa7cab940591090d92c
[INFO] running `Command { std: "docker" "start" "-a" "5197950a3b5de54ed73b8bbdebb618781b3950bd68820aa7cab940591090d92c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5197950a3b5de54ed73b8bbdebb618781b3950bd68820aa7cab940591090d92c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5197950a3b5de54ed73b8bbdebb618781b3950bd68820aa7cab940591090d92c", kill_on_drop: false }`
[INFO] [stdout] 5197950a3b5de54ed73b8bbdebb618781b3950bd68820aa7cab940591090d92c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e2560ba693cb31ef7e08c93c1a4a2102878d880a530bb93c9b3459ebd847544
[INFO] running `Command { std: "docker" "start" "-a" "6e2560ba693cb31ef7e08c93c1a4a2102878d880a530bb93c9b3459ebd847544", kill_on_drop: false }`
[INFO] [stderr]    Compiling colored v3.0.0
[INFO] [stderr]    Compiling libloading v0.8.6
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling xlang_vm_core v0.2.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling xlang_frontend v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/lexer.rs:90:27
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn tokenize(code: &str) -> Vec<super::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] 90 |     pub fn tokenize(code: &str) -> Vec<super::Token<'_>> {
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.83s
[INFO] running `Command { std: "docker" "inspect" "6e2560ba693cb31ef7e08c93c1a4a2102878d880a530bb93c9b3459ebd847544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e2560ba693cb31ef7e08c93c1a4a2102878d880a530bb93c9b3459ebd847544", kill_on_drop: false }`
[INFO] [stdout] 6e2560ba693cb31ef7e08c93c1a4a2102878d880a530bb93c9b3459ebd847544
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68136f0c1462efc2fff745b550ffe57c88729afd876991ca1e4b4645f3a6dd8d
[INFO] running `Command { std: "docker" "start" "-a" "68136f0c1462efc2fff745b550ffe57c88729afd876991ca1e4b4645f3a6dd8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling xlang_frontend v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/lexer.rs:90:27
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn tokenize(code: &str) -> Vec<super::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] 90 |     pub fn tokenize(code: &str) -> Vec<super::Token<'_>> {
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/lexer.rs:90:27
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn tokenize(code: &str) -> Vec<super::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] 90 |     pub fn tokenize(code: &str) -> Vec<super::Token<'_>> {
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "68136f0c1462efc2fff745b550ffe57c88729afd876991ca1e4b4645f3a6dd8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68136f0c1462efc2fff745b550ffe57c88729afd876991ca1e4b4645f3a6dd8d", kill_on_drop: false }`
[INFO] [stdout] 68136f0c1462efc2fff745b550ffe57c88729afd876991ca1e4b4645f3a6dd8d