[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] fixing fmgcoelho/challenges against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[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 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded psm v0.1.27
[INFO] [stderr]   Downloaded cc v1.2.41
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[INFO] [stderr]   Downloaded polars-dtype v0.51.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d7338f6a9077076023cf9f7689368a59748fab1c02d6dff969c15447a15a267c
[INFO] running `Command { std: "docker" "start" "d7338f6a9077076023cf9f7689368a59748fab1c02d6dff969c15447a15a267c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d7338f6a9077076023cf9f7689368a59748fab1c02d6dff969c15447a15a267c" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7338f6a9077076023cf9f7689368a59748fab1c02d6dff969c15447a15a267c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d7338f6a9077076023cf9f7689368a59748fab1c02d6dff969c15447a15a267c" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling find-msvc-tools v0.1.4
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking hashbrown v0.16.0
[INFO] [stderr]     Checking rustls-pki-types v1.12.0
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]    Compiling rustls v0.23.32
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]     Checking iri-string v0.7.8
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking array-init-cursor v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking humantime v2.3.0
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]     Checking signal-hook v0.3.18
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking crc32fast v1.5.0
[INFO] [stderr]    Compiling polars-utils v0.51.0
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]     Checking unty v0.0.4
[INFO] [stderr]     Checking phf_shared v0.12.1
[INFO] [stderr]     Checking indexmap v2.11.4
[INFO] [stderr]     Checking rustls-native-certs v0.8.1
[INFO] [stderr]     Checking memmap2 v0.9.8
[INFO] [stderr]    Compiling polars-schema v0.51.0
[INFO] [stderr]    Compiling chrono-tz v0.10.4
[INFO] [stderr]    Compiling polars-arrow v0.51.0
[INFO] [stderr]     Checking phf v0.12.1
[INFO] [stderr]     Checking dyn-clone v1.0.20
[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]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking flate2 v1.1.4
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking fast-float2 v0.2.3
[INFO] [stderr]     Checking atoi_simd v0.16.1
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling litrs v0.4.2
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]     Checking boxcar v0.2.14
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling polars-core v0.51.0
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling polars-ops v0.51.0
[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] [stderr]     Checking xxhash-rust v0.8.15
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]     Checking regex-automata v0.4.11
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]     Checking streaming-decompression v0.1.2
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]     Checking float-cmp v0.10.0
[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" "d7338f6a9077076023cf9f7689368a59748fab1c02d6dff969c15447a15a267c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7338f6a9077076023cf9f7689368a59748fab1c02d6dff969c15447a15a267c", kill_on_drop: false }`
[INFO] [stdout] d7338f6a9077076023cf9f7689368a59748fab1c02d6dff969c15447a15a267c
