[INFO] fetching crate xlang_frontend 0.1.6...
[INFO] testing xlang_frontend-0.1.6 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate xlang_frontend 0.1.6 into /workspace/builds/worker-1-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xlang_frontend 0.1.6 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2038d4b14dd65a83439d8c553060a30ad22c9a45605dd42c1b00675d4b9b983c
[INFO] running `Command { std: "docker" "start" "-a" "2038d4b14dd65a83439d8c553060a30ad22c9a45605dd42c1b00675d4b9b983c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2038d4b14dd65a83439d8c553060a30ad22c9a45605dd42c1b00675d4b9b983c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2038d4b14dd65a83439d8c553060a30ad22c9a45605dd42c1b00675d4b9b983c", kill_on_drop: false }`
[INFO] [stdout] 2038d4b14dd65a83439d8c553060a30ad22c9a45605dd42c1b00675d4b9b983c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ac950160c793433f01b74b6a86363c6580ff50969a7d24471981d5db1dfb8e0
[INFO] running `Command { std: "docker" "start" "-a" "9ac950160c793433f01b74b6a86363c6580ff50969a7d24471981d5db1dfb8e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling colored v3.0.0
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling libloading v0.8.6
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling xlang_vm_core v0.2.0
[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 16.71s
[INFO] running `Command { std: "docker" "inspect" "9ac950160c793433f01b74b6a86363c6580ff50969a7d24471981d5db1dfb8e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ac950160c793433f01b74b6a86363c6580ff50969a7d24471981d5db1dfb8e0", kill_on_drop: false }`
[INFO] [stdout] 9ac950160c793433f01b74b6a86363c6580ff50969a7d24471981d5db1dfb8e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 516242e2b1f36f89c47a0223c516987d2abf3e1b11147b4336af86407427ae91
[INFO] running `Command { std: "docker" "start" "-a" "516242e2b1f36f89c47a0223c516987d2abf3e1b11147b4336af86407427ae91", 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 1.15s
[INFO] running `Command { std: "docker" "inspect" "516242e2b1f36f89c47a0223c516987d2abf3e1b11147b4336af86407427ae91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "516242e2b1f36f89c47a0223c516987d2abf3e1b11147b4336af86407427ae91", kill_on_drop: false }`
[INFO] [stdout] 516242e2b1f36f89c47a0223c516987d2abf3e1b11147b4336af86407427ae91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b44ec6a9b5e5d920ed4c1e18a7cc1919057d406e3491a23faa2b07b62da12c94
[INFO] running `Command { std: "docker" "start" "-a" "b44ec6a9b5e5d920ed4c1e18a7cc1919057d406e3491a23faa2b07b62da12c94", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/parser/lexer.rs:90:27
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub fn tokenize(code: &str) -> Vec<super::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] 90 |     pub fn tokenize(code: &str) -> Vec<super::Token<'_>> {
[INFO] [stderr]    |                                                    ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `xlang_frontend` (lib) generated 1 warning (run `cargo fix --lib -p xlang_frontend` to apply 1 suggestion)
[INFO] [stderr] warning: `xlang_frontend` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/xlang_frontend-75a583f32478df35)
[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]    Doc-tests xlang_frontend
[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" "b44ec6a9b5e5d920ed4c1e18a7cc1919057d406e3491a23faa2b07b62da12c94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b44ec6a9b5e5d920ed4c1e18a7cc1919057d406e3491a23faa2b07b62da12c94", kill_on_drop: false }`
[INFO] [stdout] b44ec6a9b5e5d920ed4c1e18a7cc1919057d406e3491a23faa2b07b62da12c94
