[INFO] fetching crate polarsmongo2 0.3.1...
[INFO] checking polarsmongo2-0.3.1 against try#1bdcb63291ccffc030f8223f6f978568dd240e3e for 155501-infallible-never-with-reservation
[INFO] extracting crate polarsmongo2 0.3.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate polarsmongo2 0.3.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate polarsmongo2 0.3.1
[INFO] tweaked toml for crates.io crate polarsmongo2 0.3.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polarsmongo2 0.3.1 on toolchain 1bdcb63291ccffc030f8223f6f978568dd240e3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1bdcb63291ccffc030f8223f6f978568dd240e3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate polarsmongo2 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" "+1bdcb63291ccffc030f8223f6f978568dd240e3e" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1bdcb63291ccffc030f8223f6f978568dd240e3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7fd92077af0cb4a6ffd05c87f5e3d34559eb8b343128e0c48aeb48840632596
[INFO] running `Command { std: "docker" "start" "-a" "b7fd92077af0cb4a6ffd05c87f5e3d34559eb8b343128e0c48aeb48840632596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7fd92077af0cb4a6ffd05c87f5e3d34559eb8b343128e0c48aeb48840632596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7fd92077af0cb4a6ffd05c87f5e3d34559eb8b343128e0c48aeb48840632596", kill_on_drop: false }`
[INFO] [stdout] b7fd92077af0cb4a6ffd05c87f5e3d34559eb8b343128e0c48aeb48840632596
[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=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" "+1bdcb63291ccffc030f8223f6f978568dd240e3e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d75bae3861fb2f525b0a303abf9d9e2b1010b9b795a53bad922cb67df67bafcf
[INFO] running `Command { std: "docker" "start" "-a" "d75bae3861fb2f525b0a303abf9d9e2b1010b9b795a53bad922cb67df67bafcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]     Checking itoa v1.0.18
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]     Checking ipnet v2.12.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]     Checking rustls-pki-types v1.14.0
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]    Compiling rustls v0.23.37
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]     Checking rand_core v0.10.0
[INFO] [stderr]     Checking rayon-core v1.13.0
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking regex-syntax v0.8.10
[INFO] [stderr]     Checking cpufeatures v0.3.0
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking rustls-native-certs v0.8.3
[INFO] [stderr]     Checking iri-string v0.7.12
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]     Checking array-init-cursor v0.2.1
[INFO] [stderr]    Compiling signal-hook v0.4.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking planus v1.1.1
[INFO] [stderr]    Compiling slotmap v1.1.1
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]     Checking simd-adler32 v0.3.9
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]     Checking rayon v1.11.0
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[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking rmp v0.8.15
[INFO] [stderr]    Compiling polars-utils v0.53.0
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking mio v1.2.0
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking parking_lot_core v0.9.12
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[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]     Checking rand v0.10.0
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]     Checking unty v0.0.4
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]     Checking memmap2 v0.9.10
[INFO] [stderr]     Checking phf_shared v0.12.1
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking bytemuck v1.25.0
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling polars-buffer v0.53.0
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]    Compiling polars-schema v0.53.0
[INFO] [stderr]    Compiling chrono-tz v0.10.4
[INFO] [stderr]     Checking phf v0.12.1
[INFO] [stderr]    Compiling polars-arrow v0.53.0
[INFO] [stderr]     Checking debug_unsafe v0.1.4
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]     Checking streaming-iterator v0.1.9
[INFO] [stderr]    Compiling cc v1.2.58
[INFO] [stderr]     Checking atoi_simd v0.17.0
[INFO] [stderr]     Checking ethnum v1.5.2
[INFO] [stderr]    Compiling polars-compute v0.53.0
[INFO] [stderr]     Checking fast-float2 v0.2.3
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]     Checking boxcar v0.2.14
[INFO] [stderr]    Compiling polars-core v0.53.0
[INFO] [stderr]     Checking unicode-segmentation v1.13.2
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling polars-ops v0.53.0
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]     Checking xxhash-rust v0.8.15
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stdout] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ethnum-1.5.2/src/error.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |     unsafe { mem::transmute(()) }
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: source type: `()` (0 bits)
[INFO] [stdout]    = note: target type: `TryFromIntError` (8 bits)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]     Checking bitflags v2.11.0
[INFO] [stderr]     Checking uuid v1.23.0
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking raw-cpuid v11.6.0
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stdout] For more information about this error, try `rustc --explain E0512`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ethnum` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d75bae3861fb2f525b0a303abf9d9e2b1010b9b795a53bad922cb67df67bafcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d75bae3861fb2f525b0a303abf9d9e2b1010b9b795a53bad922cb67df67bafcf", kill_on_drop: false }`
[INFO] [stdout] d75bae3861fb2f525b0a303abf9d9e2b1010b9b795a53bad922cb67df67bafcf