[INFO] fetching crate fernglas 0.2.1...
[INFO] testing fernglas-0.2.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate fernglas 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate fernglas 0.2.1
[INFO] finished tweaking crates.io crate fernglas 0.2.1
[INFO] tweaked toml for crates.io crate fernglas 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fernglas 0.2.1 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 fernglas 0.2.1 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 86dd68dd964b6f5c2ffe981d827e446b4bbf89280a35c7e7cb6f8e64278947e0
[INFO] running `Command { std: "docker" "start" "-a" "86dd68dd964b6f5c2ffe981d827e446b4bbf89280a35c7e7cb6f8e64278947e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86dd68dd964b6f5c2ffe981d827e446b4bbf89280a35c7e7cb6f8e64278947e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86dd68dd964b6f5c2ffe981d827e446b4bbf89280a35c7e7cb6f8e64278947e0", kill_on_drop: false }`
[INFO] [stdout] 86dd68dd964b6f5c2ffe981d827e446b4bbf89280a35c7e7cb6f8e64278947e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] abbfa1ac048cd01c667a59363bd970eac10005195d6197d6ab716e2b589d8b34
[INFO] running `Command { std: "docker" "start" "-a" "abbfa1ac048cd01c667a59363bd970eac10005195d6197d6ab716e2b589d8b34", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde_yaml v0.9.31
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling zettabgp v0.3.4
[INFO] [stderr]    Compiling hickory-proto v0.24.0
[INFO] [stderr]    Compiling nibbletree v0.2.0
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[INFO] [stderr]    Compiling hickory-resolver v0.24.0
[INFO] [stderr]    Compiling hyper-util v0.1.3
[INFO] [stderr]    Compiling fernglas v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/api.rs:176:15
[INFO] [stdout]     |
[INFO] [stdout] 176 |     fn lookup(&self, community: &str) -> Option<Cow<str>> {
[INFO] [stdout]     |               ^^^^^ the lifetime is elided here ^^^^^^^^ the same lifetime is hidden 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] 176 |     fn lookup(&self, community: &str) -> Option<Cow<'_, str>> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "abbfa1ac048cd01c667a59363bd970eac10005195d6197d6ab716e2b589d8b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abbfa1ac048cd01c667a59363bd970eac10005195d6197d6ab716e2b589d8b34", kill_on_drop: false }`
[INFO] [stdout] abbfa1ac048cd01c667a59363bd970eac10005195d6197d6ab716e2b589d8b34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6c25b665842a78521a4b1888367d62e6de530cbddf6875c87f572fa22ccfcff2
[INFO] running `Command { std: "docker" "start" "-a" "6c25b665842a78521a4b1888367d62e6de530cbddf6875c87f572fa22ccfcff2", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/api.rs:176:15
[INFO] [stdout]     |
[INFO] [stdout] 176 |     fn lookup(&self, community: &str) -> Option<Cow<str>> {
[INFO] [stdout]     |               ^^^^^ the lifetime is elided here ^^^^^^^^ the same lifetime is hidden 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] 176 |     fn lookup(&self, community: &str) -> Option<Cow<'_, str>> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fernglas v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/api.rs:176:15
[INFO] [stdout]     |
[INFO] [stdout] 176 |     fn lookup(&self, community: &str) -> Option<Cow<str>> {
[INFO] [stdout]     |               ^^^^^ the lifetime is elided here ^^^^^^^^ the same lifetime is hidden 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] 176 |     fn lookup(&self, community: &str) -> Option<Cow<'_, str>> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `Command { std: "docker" "inspect" "6c25b665842a78521a4b1888367d62e6de530cbddf6875c87f572fa22ccfcff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c25b665842a78521a4b1888367d62e6de530cbddf6875c87f572fa22ccfcff2", kill_on_drop: false }`
[INFO] [stdout] 6c25b665842a78521a4b1888367d62e6de530cbddf6875c87f572fa22ccfcff2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ddb5de460537368b9a002c347778e0577158ab547f142817ee4baf3e23abe6d7
[INFO] running `Command { std: "docker" "start" "-a" "ddb5de460537368b9a002c347778e0577158ab547f142817ee4baf3e23abe6d7", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/api.rs:176:15
[INFO] [stderr]     |
[INFO] [stderr] 176 |     fn lookup(&self, community: &str) -> Option<Cow<str>> {
[INFO] [stderr]     |               ^^^^^ the lifetime is elided here ^^^^^^^^ the same lifetime is hidden 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] 176 |     fn lookup(&self, community: &str) -> Option<Cow<'_, str>> {
[INFO] [stderr]     |                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: `fernglas` (lib) generated 1 warning (run `cargo fix --lib -p fernglas` to apply 1 suggestion)
[INFO] [stderr] warning: `fernglas` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fernglas-a41df68e40e8ed0d)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fernglas-4c2836dd7ca28662)
[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] [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 fernglas
[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" "ddb5de460537368b9a002c347778e0577158ab547f142817ee4baf3e23abe6d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddb5de460537368b9a002c347778e0577158ab547f142817ee4baf3e23abe6d7", kill_on_drop: false }`
[INFO] [stdout] ddb5de460537368b9a002c347778e0577158ab547f142817ee4baf3e23abe6d7