[INFO] cloning repository https://github.com/fmgcoelho/challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fmgcoelho/challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffmgcoelho%2Fchallenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffmgcoelho%2Fchallenges'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 986dffb05c2b8da713687a7b56f366a8b1a631c1
[INFO] checking fmgcoelho/challenges against master#4b9792692fbb675174d4d2082e7c37b2bc930e71 for pr-153692-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffmgcoelho%2Fchallenges" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fmgcoelho/challenges
[INFO] finished tweaking git repo https://github.com/fmgcoelho/challenges
[INFO] tweaked toml for git repo https://github.com/fmgcoelho/challenges written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fmgcoelho/challenges on toolchain 4b9792692fbb675174d4d2082e7c37b2bc930e71
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fmgcoelho/challenges 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" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stacker v0.1.22
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[INFO] [stderr]   Downloaded bincode_derive v2.0.1
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[INFO] [stderr]   Downloaded ethnum v1.5.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1b2da105cdb6535e9486de2fc0d2155d97f4ff93ea6182a9135b16df4772ca1
[INFO] running `Command { std: "docker" "start" "-a" "e1b2da105cdb6535e9486de2fc0d2155d97f4ff93ea6182a9135b16df4772ca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1b2da105cdb6535e9486de2fc0d2155d97f4ff93ea6182a9135b16df4772ca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1b2da105cdb6535e9486de2fc0d2155d97f4ff93ea6182a9135b16df4772ca1", kill_on_drop: false }`
[INFO] [stdout] e1b2da105cdb6535e9486de2fc0d2155d97f4ff93ea6182a9135b16df4772ca1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2435fd6e9b9847d812a8b66cfea1bf1899d638ae6933b1b11a835bf2e2ccfc11
[INFO] running `Command { std: "docker" "start" "-a" "2435fd6e9b9847d812a8b66cfea1bf1899d638ae6933b1b11a835bf2e2ccfc11", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking hashbrown v0.16.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]     Checking rustls-pki-types v1.12.0
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]    Compiling rustls v0.23.32
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]    Compiling cc v1.2.41
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[INFO] [stderr]     Checking ipnet v2.11.0
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[INFO] [stderr]     Checking aho-corasick v1.1.3
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[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking regex-automata v0.4.11
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking humantime v2.3.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling psm v0.1.27
[INFO] [stderr]    Compiling stacker v0.1.22
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]    Compiling lz4-sys v1.11.1+lz4-1.10.0
[INFO] [stderr]     Checking castaway v0.2.4
[INFO] [stderr]     Checking crc32fast v1.5.0
[INFO] [stderr]    Compiling polars-utils v0.51.0
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]     Checking unty v0.0.4
[INFO] [stderr]     Checking siphasher v1.0.1
[INFO] [stderr]     Checking flate2 v1.1.4
[INFO] [stderr]     Checking phf_shared v0.12.1
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking serde_stacker v0.1.14
[INFO] [stderr]     Checking memmap2 v0.9.8
[INFO] [stderr]     Checking regex v1.11.3
[INFO] [stderr]    Compiling polars-schema v0.51.0
[INFO] [stderr]    Compiling chrono-tz v0.10.4
[INFO] [stderr]     Checking phf v0.12.1
[INFO] [stderr]    Compiling polars-arrow v0.51.0
[INFO] [stderr]     Checking ethnum v1.5.2
[INFO] [stderr]     Checking streaming-iterator v0.1.9
[INFO] [stderr]    Compiling polars-compute v0.51.0
[INFO] [stderr]     Checking debug_unsafe v0.1.3
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking atoi_simd v0.16.1
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]     Checking fast-float2 v0.2.3
[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 strength_reduce v0.2.4
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling litrs v0.4.2
[INFO] [stderr]     Checking boxcar v0.2.14
[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" "2435fd6e9b9847d812a8b66cfea1bf1899d638ae6933b1b11a835bf2e2ccfc11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2435fd6e9b9847d812a8b66cfea1bf1899d638ae6933b1b11a835bf2e2ccfc11", kill_on_drop: false }`
[INFO] [stdout] 2435fd6e9b9847d812a8b66cfea1bf1899d638ae6933b1b11a835bf2e2ccfc11
