[INFO] fetching crate fexplib 0.3.1...
[INFO] testing fexplib-0.3.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate fexplib 0.3.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate fexplib 0.3.1
[INFO] finished tweaking crates.io crate fexplib 0.3.1
[INFO] tweaked toml for crates.io crate fexplib 0.3.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fexplib 0.3.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fexplib 0.3.1 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58e496f020959d8a9f5e36e017cb2d61c00ab28eec09acf7cba76d98585f94c9
[INFO] running `Command { std: "docker" "start" "-a" "58e496f020959d8a9f5e36e017cb2d61c00ab28eec09acf7cba76d98585f94c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58e496f020959d8a9f5e36e017cb2d61c00ab28eec09acf7cba76d98585f94c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58e496f020959d8a9f5e36e017cb2d61c00ab28eec09acf7cba76d98585f94c9", kill_on_drop: false }`
[INFO] [stdout] 58e496f020959d8a9f5e36e017cb2d61c00ab28eec09acf7cba76d98585f94c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9622f44f7e484e85e3fb5cb273f7994d0e4e71ebacd69d04a4cdbcfe06da53a
[INFO] running `Command { std: "docker" "start" "-a" "f9622f44f7e484e85e3fb5cb273f7994d0e4e71ebacd69d04a4cdbcfe06da53a", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]    Compiling bumpalo v3.17.0
[INFO] [stderr]    Compiling tattle v0.2.0
[INFO] [stderr]    Compiling pretty v0.12.3
[INFO] [stderr]    Compiling fexplib v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:92:15
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn parens(&self) -> RcDoc {
[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] 92 |     fn parens(&self) -> RcDoc<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/types.rs:122:15
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn to_doc(&self) -> RcDoc {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn to_doc(&self) -> RcDoc<'_> {
[INFO] [stdout]     |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "f9622f44f7e484e85e3fb5cb273f7994d0e4e71ebacd69d04a4cdbcfe06da53a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9622f44f7e484e85e3fb5cb273f7994d0e4e71ebacd69d04a4cdbcfe06da53a", kill_on_drop: false }`
[INFO] [stdout] f9622f44f7e484e85e3fb5cb273f7994d0e4e71ebacd69d04a4cdbcfe06da53a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5b27b8b708b0bd74e46bb90e1548d4e92500bf85f83cf0377e79276067c791e
[INFO] running `Command { std: "docker" "start" "-a" "e5b27b8b708b0bd74e46bb90e1548d4e92500bf85f83cf0377e79276067c791e", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling dissimilar v1.0.9
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:92:15
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn parens(&self) -> RcDoc {
[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] 92 |     fn parens(&self) -> RcDoc<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/types.rs:122:15
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn to_doc(&self) -> RcDoc {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn to_doc(&self) -> RcDoc<'_> {
[INFO] [stdout]     |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling expect-test v1.5.1
[INFO] [stderr]    Compiling fexplib v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/types.rs:92:15
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn parens(&self) -> RcDoc {
[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] 92 |     fn parens(&self) -> RcDoc<'_> {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/types.rs:122:15
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn to_doc(&self) -> RcDoc {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn to_doc(&self) -> RcDoc<'_> {
[INFO] [stdout]     |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "e5b27b8b708b0bd74e46bb90e1548d4e92500bf85f83cf0377e79276067c791e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5b27b8b708b0bd74e46bb90e1548d4e92500bf85f83cf0377e79276067c791e", kill_on_drop: false }`
[INFO] [stdout] e5b27b8b708b0bd74e46bb90e1548d4e92500bf85f83cf0377e79276067c791e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5afa40bd28324cee3f12299a56eceaf694c5b5642095cadd4f1abcc454e3cd45
[INFO] running `Command { std: "docker" "start" "-a" "5afa40bd28324cee3f12299a56eceaf694c5b5642095cadd4f1abcc454e3cd45", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/types.rs:92:15
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn parens(&self) -> RcDoc {
[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] 92 |     fn parens(&self) -> RcDoc<'_> {
[INFO] [stderr]    |                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/types.rs:122:15
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn to_doc(&self) -> RcDoc {
[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] help: use `'_` for type paths
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] running 1 test
[INFO] [stderr] 122 |     fn to_doc(&self) -> RcDoc<'_> {
[INFO] [stdout] test grammar::tests::grammar_tests ... ok
[INFO] [stderr]     |                              ++++
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] warning: `fexplib` (lib) generated 2 warnings (run `cargo fix --lib -p fexplib` to apply 2 suggestions)
[INFO] [stdout] 
[INFO] [stderr] warning: `fexplib` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fexplib-c8fe84134b341c78)
[INFO] [stderr]    Doc-tests fexplib
[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" "5afa40bd28324cee3f12299a56eceaf694c5b5642095cadd4f1abcc454e3cd45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5afa40bd28324cee3f12299a56eceaf694c5b5642095cadd4f1abcc454e3cd45", kill_on_drop: false }`
[INFO] [stdout] 5afa40bd28324cee3f12299a56eceaf694c5b5642095cadd4f1abcc454e3cd45