[INFO] fetching crate polar 0.3.0...
[INFO] testing polar-0.3.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate polar 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate polar 0.3.0
[INFO] finished tweaking crates.io crate polar 0.3.0
[INFO] tweaked toml for crates.io crate polar 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polar 0.3.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate polar 0.3.0 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16ba1c8429d432f0e818a1353b513b2a33916ba39cd4258665d45ac1cb381d9b
[INFO] running `Command { std: "docker" "start" "-a" "16ba1c8429d432f0e818a1353b513b2a33916ba39cd4258665d45ac1cb381d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16ba1c8429d432f0e818a1353b513b2a33916ba39cd4258665d45ac1cb381d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16ba1c8429d432f0e818a1353b513b2a33916ba39cd4258665d45ac1cb381d9b", kill_on_drop: false }`
[INFO] [stdout] 16ba1c8429d432f0e818a1353b513b2a33916ba39cd4258665d45ac1cb381d9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00203b75ebb55dd9180d1071be6a3ed78764ae1dd295df357141efd1bfe7b6ff
[INFO] running `Command { std: "docker" "start" "-a" "00203b75ebb55dd9180d1071be6a3ed78764ae1dd295df357141efd1bfe7b6ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling once_cell v1.20.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling allocator-api2 v0.2.18
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling cc v1.1.19
[INFO] [stderr]    Compiling malachite-nz v0.4.16
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling owo-colors v4.1.0
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling chumsky v1.0.0-alpha.7
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling rustc-hash v2.0.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling psm v0.1.23
[INFO] [stderr]    Compiling stacker v0.1.17
[INFO] [stderr]    Compiling malachite-base v0.4.16
[INFO] [stderr]    Compiling fd-lock v4.0.2
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling lasso v0.7.3
[INFO] [stderr]    Compiling rustyline v14.0.0
[INFO] [stderr]    Compiling malachite-q v0.4.16
[INFO] [stderr]    Compiling malachite v0.4.16
[INFO] [stderr]    Compiling polar v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/diagnostics/mod.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn message(&self) -> Cow<str>;
[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] 9 |     fn message(&self) -> Cow<'_, str>;
[INFO] [stdout]   |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/diagnostics/error.rs:33:16
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn message(&self) -> Cow<str> {
[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] 33 |     fn message(&self) -> Cow<'_, str> {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.76s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: chumsky v1.0.0-alpha.7
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "00203b75ebb55dd9180d1071be6a3ed78764ae1dd295df357141efd1bfe7b6ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00203b75ebb55dd9180d1071be6a3ed78764ae1dd295df357141efd1bfe7b6ff", kill_on_drop: false }`
[INFO] [stdout] 00203b75ebb55dd9180d1071be6a3ed78764ae1dd295df357141efd1bfe7b6ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c24d0c79092e56a3ea3bec5c3a236a53a763c6e5d408a674a73317c28a94d4a
[INFO] running `Command { std: "docker" "start" "-a" "7c24d0c79092e56a3ea3bec5c3a236a53a763c6e5d408a674a73317c28a94d4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling polar v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/diagnostics/mod.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn message(&self) -> Cow<str>;
[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] 9 |     fn message(&self) -> Cow<'_, str>;
[INFO] [stdout]   |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/diagnostics/error.rs:33:16
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn message(&self) -> Cow<str> {
[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] 33 |     fn message(&self) -> Cow<'_, str> {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.80s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: chumsky v1.0.0-alpha.7
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "7c24d0c79092e56a3ea3bec5c3a236a53a763c6e5d408a674a73317c28a94d4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c24d0c79092e56a3ea3bec5c3a236a53a763c6e5d408a674a73317c28a94d4a", kill_on_drop: false }`
[INFO] [stdout] 7c24d0c79092e56a3ea3bec5c3a236a53a763c6e5d408a674a73317c28a94d4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 44c4039c2964e8e9fec6a909f23387c616e7adabd8c34d8917264a4c32833ffa
[INFO] running `Command { std: "docker" "start" "-a" "44c4039c2964e8e9fec6a909f23387c616e7adabd8c34d8917264a4c32833ffa", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] 
[INFO] [stderr]  --> src/diagnostics/mod.rs:9:16
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 9 |     fn message(&self) -> Cow<str>;
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |                ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout] 
[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] 9 |     fn message(&self) -> Cow<'_, str>;
[INFO] [stderr]   |                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/diagnostics/error.rs:33:16
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn message(&self) -> Cow<str> {
[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] [stderr]    |
[INFO] [stderr] 33 |     fn message(&self) -> Cow<'_, str> {
[INFO] [stderr]    |                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: `polar` (bin "polar" test) generated 2 warnings (run `cargo fix --bin "polar" -p polar --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: chumsky v1.0.0-alpha.7
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/polar-f974fbcd031d6f0d)
[INFO] running `Command { std: "docker" "inspect" "44c4039c2964e8e9fec6a909f23387c616e7adabd8c34d8917264a4c32833ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44c4039c2964e8e9fec6a909f23387c616e7adabd8c34d8917264a4c32833ffa", kill_on_drop: false }`
[INFO] [stdout] 44c4039c2964e8e9fec6a909f23387c616e7adabd8c34d8917264a4c32833ffa
