[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-no-reservation
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustnation%2Flearning-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/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-5-tc2/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] 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" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea1782c84a92dcd26ca427e447b7e6def7cc0b2620ce563e8565e914cdd74b6a
[INFO] running `Command { std: "docker" "start" "-a" "ea1782c84a92dcd26ca427e447b7e6def7cc0b2620ce563e8565e914cdd74b6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea1782c84a92dcd26ca427e447b7e6def7cc0b2620ce563e8565e914cdd74b6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea1782c84a92dcd26ca427e447b7e6def7cc0b2620ce563e8565e914cdd74b6a", kill_on_drop: false }`
[INFO] [stdout] ea1782c84a92dcd26ca427e447b7e6def7cc0b2620ce563e8565e914cdd74b6a
[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" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6d7cb5e73a0fe131de4e9e48a23957b7385ffc00a30db68c34b542f1638d7db
[INFO] running `Command { std: "docker" "start" "-a" "d6d7cb5e73a0fe131de4e9e48a23957b7385ffc00a30db68c34b542f1638d7db", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling find-msvc-tools v0.1.5
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking array-init-cursor v0.2.1
[INFO] [stderr]    Compiling slotmap v1.1.1
[INFO] [stderr]    Compiling cc v1.2.49
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stderr]    Compiling polars-utils v0.52.0
[INFO] [stderr]     Checking siphasher v1.0.1
[INFO] [stderr]     Checking iana-time-zone v0.1.64
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking raw-cpuid v11.6.0
[INFO] [stderr]    Compiling polars-schema v0.52.0
[INFO] [stderr]     Checking phf_shared v0.12.1
[INFO] [stderr]    Compiling chrono-tz v0.10.4
[INFO] [stderr]     Checking bytes v1.11.0
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking phf v0.12.1
[INFO] [stderr]    Compiling polars-arrow v0.52.0
[INFO] [stderr]     Checking ethnum v1.5.2
[INFO] [stderr]     Checking planus v1.1.1
[INFO] [stderr]     Checking dyn-clone v1.0.20
[INFO] [stderr]     Checking streaming-iterator v0.1.9
[INFO] [stderr]    Compiling polars-compute v0.52.0
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]     Checking debug_unsafe v0.1.3
[INFO] [stderr]     Checking strength_reduce v0.2.4
[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]     Checking fast-float2 v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking signal-hook-registry v1.4.7
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking uuid v1.19.0
[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" "d6d7cb5e73a0fe131de4e9e48a23957b7385ffc00a30db68c34b542f1638d7db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6d7cb5e73a0fe131de4e9e48a23957b7385ffc00a30db68c34b542f1638d7db", kill_on_drop: false }`
[INFO] [stdout] d6d7cb5e73a0fe131de4e9e48a23957b7385ffc00a30db68c34b542f1638d7db