[INFO] fetching crate polars-mem-engine 0.53.0...
[INFO] checking polars-mem-engine-0.53.0 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate polars-mem-engine 0.53.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate polars-mem-engine 0.53.0
[INFO] finished tweaking crates.io crate polars-mem-engine 0.53.0
[INFO] tweaked toml for crates.io crate polars-mem-engine 0.53.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polars-mem-engine 0.53.0 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate polars-mem-engine 0.53.0 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c375b6da053b5d9e11b2493bad6d97ee4375ef92d545067c4b5f2183b4e0bca
[INFO] running `Command { std: "docker" "start" "-a" "9c375b6da053b5d9e11b2493bad6d97ee4375ef92d545067c4b5f2183b4e0bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c375b6da053b5d9e11b2493bad6d97ee4375ef92d545067c4b5f2183b4e0bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c375b6da053b5d9e11b2493bad6d97ee4375ef92d545067c4b5f2183b4e0bca", kill_on_drop: false }`
[INFO] [stdout] 9c375b6da053b5d9e11b2493bad6d97ee4375ef92d545067c4b5f2183b4e0bca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eebaec6c9f303535cb4078c5bb5117b71471e9409f3a410cad42f91b6c43b98f
[INFO] running `Command { std: "docker" "start" "-a" "eebaec6c9f303535cb4078c5bb5117b71471e9409f3a410cad42f91b6c43b98f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling zerocopy v0.8.33
[INFO] [stderr]    Compiling find-msvc-tools v0.1.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling cc v1.2.52
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling signal-hook v0.4.1
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]    Compiling stacker v0.1.22
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]    Compiling slotmap v1.1.1
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking castaway v0.2.4
[INFO] [stderr]    Compiling polars-utils v0.53.0
[INFO] [stderr]     Checking siphasher v1.0.1
[INFO] [stderr]     Checking ryu v1.0.22
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]     Checking itoa v1.0.17
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking phf_shared v0.12.1
[INFO] [stderr]     Checking raw-cpuid v11.6.0
[INFO] [stderr]     Checking uuid v1.19.0
[INFO] [stderr]     Checking memmap2 v0.9.9
[INFO] [stderr]    Compiling polars-schema v0.53.0
[INFO] [stderr]    Compiling polars-buffer v0.53.0
[INFO] [stderr]    Compiling chrono-tz v0.10.4
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]     Checking phf v0.12.1
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling polars-arrow v0.53.0
[INFO] [stderr]    Compiling zmij v1.0.12
[INFO] [stderr]     Checking ethnum v1.5.2
[INFO] [stderr]     Checking indexmap v2.13.0
[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] [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" "eebaec6c9f303535cb4078c5bb5117b71471e9409f3a410cad42f91b6c43b98f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eebaec6c9f303535cb4078c5bb5117b71471e9409f3a410cad42f91b6c43b98f", kill_on_drop: false }`
[INFO] [stdout] eebaec6c9f303535cb4078c5bb5117b71471e9409f3a410cad42f91b6c43b98f
