[INFO] updating cached repository tomtung/parabel-rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/tomtung/parabel-rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/tomtung/parabel-rs" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/tomtung/parabel-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/tomtung/parabel-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/tomtung/parabel-rs" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/tomtung/parabel-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/tomtung/parabel-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c367075a1defbbecc9b6e66a34720e89db920840 [INFO] sha for GitHub repo tomtung/parabel-rs: c367075a1defbbecc9b6e66a34720e89db920840 [INFO] validating manifest of tomtung/parabel-rs on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of tomtung/parabel-rs on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing tomtung/parabel-rs [INFO] finished frobbing tomtung/parabel-rs [INFO] frobbed toml for tomtung/parabel-rs written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/tomtung/parabel-rs/Cargo.toml [INFO] started frobbing tomtung/parabel-rs [INFO] finished frobbing tomtung/parabel-rs [INFO] frobbed toml for tomtung/parabel-rs written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/tomtung/parabel-rs/Cargo.toml [INFO] crate tomtung/parabel-rs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking tomtung/parabel-rs against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-5/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/tomtung/parabel-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] ff2273eef7803337d9015bea44ec0974dc7257a7193085a346cf48ceaefbb603 [INFO] running `"docker" "start" "-a" "ff2273eef7803337d9015bea44ec0974dc7257a7193085a346cf48ceaefbb603"` [INFO] [stderr] Compiling syn v0.15.29 [INFO] [stderr] Compiling ident_case v1.0.0 [INFO] [stderr] Compiling serde v1.0.89 [INFO] [stderr] Compiling ndarray v0.12.1 [INFO] [stderr] Checking bit-vec v0.5.0 [INFO] [stderr] Checking assert_approx_eq v1.1.0 [INFO] [stderr] Checking order-stat v0.1.3 [INFO] [stderr] Compiling bincode v1.1.2 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking hashbrown v0.1.8 [INFO] [stderr] Checking alga v0.5.4 [INFO] [stderr] Checking pbr v1.0.1 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking rayon-core v1.4.1 [INFO] [stderr] Checking bit-set v0.5.0 [INFO] [stderr] Checking rayon v1.0.3 [INFO] [stderr] Compiling darling_core v0.8.5 [INFO] [stderr] Compiling serde_derive v1.0.89 [INFO] [stderr] Compiling darling_macro v0.8.5 [INFO] [stderr] Compiling darling v0.8.5 [INFO] [stderr] Compiling derive_builder_core v0.4.1 [INFO] [stderr] Compiling derive_builder v0.7.1 [INFO] [stderr] Checking sprs v0.6.4 [INFO] [stderr] warning[E0502]: cannot borrow `indptr` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sprs-0.6.4/src/sparse/triplet_iter.rs:122:26 [INFO] [stderr] | [INFO] [stderr] 122 | indptr[i] += indptr[i - 1]; [INFO] [stderr] | -------------^^^^^^------- [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow occurs here [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | mutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Checking parabel v0.0.1 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 43s [INFO] running `"docker" "inspect" "ff2273eef7803337d9015bea44ec0974dc7257a7193085a346cf48ceaefbb603"` [INFO] running `"docker" "rm" "-f" "ff2273eef7803337d9015bea44ec0974dc7257a7193085a346cf48ceaefbb603"` [INFO] [stdout] ff2273eef7803337d9015bea44ec0974dc7257a7193085a346cf48ceaefbb603