[INFO] cloning repository https://github.com/rustnation/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rustnation/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustnation%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustnation%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e79becb7eeb948d284179ed5bc8d6a202375a12e
[INFO] checking rustnation/learning-rust against try#5ec4d3b0c83717313176eefa7d71e9d36dc83355 for 155501-infallible-never-with-reservation
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustnation%2Flearning-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rustnation/learning-rust
[INFO] finished tweaking git repo https://github.com/rustnation/learning-rust
[INFO] tweaked toml for git repo https://github.com/rustnation/learning-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rustnation/learning-rust on toolchain 5ec4d3b0c83717313176eefa7d71e9d36dc83355
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rustnation/learning-rust 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" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_stacker v0.1.14
[INFO] [stderr]   Downloaded polars-utils v0.52.0
[INFO] [stderr]   Downloaded debug_unsafe v0.1.3
[INFO] [stderr]   Downloaded polars-error v0.52.0
[INFO] [stderr]   Downloaded instability v0.3.10
[INFO] [stderr]   Downloaded bincode_derive v2.0.1
[INFO] [stderr]   Downloaded polars-schema v0.52.0
[INFO] [stderr]   Downloaded streaming-decompression v0.1.2
[INFO] [stderr]   Downloaded polars-dtype v0.52.0
[INFO] [stderr]   Downloaded now v0.1.3
[INFO] [stderr]   Downloaded array-init-cursor v0.2.1
[INFO] [stderr]   Downloaded gag v1.0.0
[INFO] [stderr]   Downloaded unty v0.0.4
[INFO] [stderr]   Downloaded boxcar v0.2.14
[INFO] [stderr]   Downloaded atoi_simd v0.16.1
[INFO] [stderr]   Downloaded unicode-reverse v1.0.9
[INFO] [stderr]   Downloaded strength_reduce v0.2.4
[INFO] [stderr]   Downloaded polars-row v0.52.0
[INFO] [stderr]   Downloaded virtue v0.0.18
[INFO] [stderr]   Downloaded fs4 v0.13.1
[INFO] [stderr]   Downloaded fast-float2 v0.2.3
[INFO] [stderr]   Downloaded polars-mem-engine v0.52.0
[INFO] [stderr]   Downloaded planus v1.1.1
[INFO] [stderr]   Downloaded polars-parquet-format v0.1.0
[INFO] [stderr]   Downloaded argminmax v0.6.3
[INFO] [stderr]   Downloaded polars-sql v0.52.0
[INFO] [stderr]   Downloaded polars-lazy v0.52.0
[INFO] [stderr]   Downloaded polars-arrow-format v0.2.1
[INFO] [stderr]   Downloaded ethnum v1.5.2
[INFO] [stderr]   Downloaded comfy-table v7.2.1
[INFO] [stderr]   Downloaded polars-time v0.52.0
[INFO] [stderr]   Downloaded polars v0.52.0
[INFO] [stderr]   Downloaded polars-compute v0.52.0
[INFO] [stderr]   Downloaded polars-expr v0.52.0
[INFO] [stderr]   Downloaded polars-ops v0.52.0
[INFO] [stderr]   Downloaded polars-io v0.52.0
[INFO] [stderr]   Downloaded polars-parquet v0.52.0
[INFO] [stderr]   Downloaded polars-stream v0.52.0
[INFO] [stderr]   Downloaded reqwest v0.12.25
[INFO] [stderr]   Downloaded bincode v2.0.1
[INFO] [stderr]   Downloaded sqlparser v0.53.0
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[INFO] [stderr]   Downloaded polars-plan v0.52.0
[INFO] [stderr]   Downloaded polars-core v0.52.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a778ea01b0a77f62ad3edd374b74f2cb79472cb6aac548f5fde7200bb6f63e2c
[INFO] running `Command { std: "docker" "start" "-a" "a778ea01b0a77f62ad3edd374b74f2cb79472cb6aac548f5fde7200bb6f63e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a778ea01b0a77f62ad3edd374b74f2cb79472cb6aac548f5fde7200bb6f63e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a778ea01b0a77f62ad3edd374b74f2cb79472cb6aac548f5fde7200bb6f63e2c", kill_on_drop: false }`
[INFO] [stdout] a778ea01b0a77f62ad3edd374b74f2cb79472cb6aac548f5fde7200bb6f63e2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acabef24fc3d3f72973325ca8caf73aa76fc0d33444a9f0ee5de71a15b562ba9
[INFO] running `Command { std: "docker" "start" "-a" "acabef24fc3d3f72973325ca8caf73aa76fc0d33444a9f0ee5de71a15b562ba9", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.5
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking array-init-cursor v0.2.1
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling slotmap v1.1.1
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]    Compiling polars-utils v0.52.0
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]    Compiling cc v1.2.49
[INFO] [stderr]     Checking iana-time-zone v0.1.64
[INFO] [stderr]     Checking raw-cpuid v11.6.0
[INFO] [stderr]     Checking phf_shared v0.12.1
[INFO] [stderr]    Compiling polars-schema v0.52.0
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]    Compiling chrono-tz v0.10.4
[INFO] [stderr]     Checking bytes v1.11.0
[INFO] [stderr]     Checking phf v0.12.1
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]     Checking planus v1.1.1
[INFO] [stderr]    Compiling polars-arrow v0.52.0
[INFO] [stderr]     Checking streaming-iterator v0.1.9
[INFO] [stderr]     Checking ethnum v1.5.2
[INFO] [stderr]    Compiling polars-compute v0.52.0
[INFO] [stderr]     Checking debug_unsafe v0.1.3
[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 atoi_simd v0.16.1
[INFO] [stderr]    Compiling litrs v1.0.0
[INFO] [stderr]     Checking fast-float2 v0.2.3
[INFO] [stdout] For more information about this error, try `rustc --explain E0512`.
[INFO] [stdout] 
[INFO] [stderr]     Checking strength_reduce v0.2.4
[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" "acabef24fc3d3f72973325ca8caf73aa76fc0d33444a9f0ee5de71a15b562ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acabef24fc3d3f72973325ca8caf73aa76fc0d33444a9f0ee5de71a15b562ba9", kill_on_drop: false }`
[INFO] [stdout] acabef24fc3d3f72973325ca8caf73aa76fc0d33444a9f0ee5de71a15b562ba9