[INFO] fetching crate polars-serde 0.1.0...
[INFO] checking polars-serde-0.1.0 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate polars-serde 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate polars-serde 0.1.0
[INFO] finished tweaking crates.io crate polars-serde 0.1.0
[INFO] tweaked toml for crates.io crate polars-serde 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polars-serde 0.1.0 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-serde 0.1.0 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 52f2dc9db23dc3bac24c34afc976b74ecbd1aa1208fd6a0e1d64b05a1af72fcd
[INFO] running `Command { std: "docker" "start" "-a" "52f2dc9db23dc3bac24c34afc976b74ecbd1aa1208fd6a0e1d64b05a1af72fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52f2dc9db23dc3bac24c34afc976b74ecbd1aa1208fd6a0e1d64b05a1af72fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52f2dc9db23dc3bac24c34afc976b74ecbd1aa1208fd6a0e1d64b05a1af72fcd", kill_on_drop: false }`
[INFO] [stdout] 52f2dc9db23dc3bac24c34afc976b74ecbd1aa1208fd6a0e1d64b05a1af72fcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 949ed54f305e5b864af5632e15be547aa5877472fa4642f9e1ff88c0182dc06f
[INFO] running `Command { std: "docker" "start" "-a" "949ed54f305e5b864af5632e15be547aa5877472fa4642f9e1ff88c0182dc06f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]     Checking castaway v0.2.4
[INFO] [stderr]    Compiling polars-utils v0.51.0
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]     Checking indexmap v2.12.0
[INFO] [stderr]     Checking phf_shared v0.12.1
[INFO] [stderr]     Checking raw-cpuid v11.6.0
[INFO] [stderr]    Compiling polars-schema v0.51.0
[INFO] [stderr]    Compiling chrono-tz v0.10.4
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]     Checking phf v0.12.1
[INFO] [stderr]    Compiling polars-arrow v0.51.0
[INFO] [stderr]     Checking streaming-iterator v0.1.9
[INFO] [stderr]     Checking ethnum v1.5.2
[INFO] [stderr]    Compiling polars-compute v0.51.0
[INFO] [stderr]     Checking debug_unsafe v0.1.3
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking boxcar v0.2.14
[INFO] [stderr]     Checking fast-float2 v0.2.3
[INFO] [stderr]    Compiling polars-core v0.51.0
[INFO] [stderr]     Checking xxhash-rust v0.8.15
[INFO] [stderr]     Checking atoi_simd v0.16.1
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]    Compiling quote v1.0.41
[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 regex-automata v0.4.13
[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" "949ed54f305e5b864af5632e15be547aa5877472fa4642f9e1ff88c0182dc06f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "949ed54f305e5b864af5632e15be547aa5877472fa4642f9e1ff88c0182dc06f", kill_on_drop: false }`
[INFO] [stdout] 949ed54f305e5b864af5632e15be547aa5877472fa4642f9e1ff88c0182dc06f
