[INFO] updating cached repository nrxus/advent_2018 [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/nrxus/advent_2018 [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/nrxus/advent_2018" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/nrxus/advent_2018"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/nrxus/advent_2018'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/nrxus/advent_2018" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/nrxus/advent_2018"` [INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/nrxus/advent_2018'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8f8828dee806fd3d4444036af02bda34a7a8f7d7 [INFO] sha for GitHub repo nrxus/advent_2018: 8f8828dee806fd3d4444036af02bda34a7a8f7d7 [INFO] validating manifest of nrxus/advent_2018 on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of nrxus/advent_2018 on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing nrxus/advent_2018 [INFO] finished frobbing nrxus/advent_2018 [INFO] frobbed toml for nrxus/advent_2018 written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/nrxus/advent_2018/Cargo.toml [INFO] started frobbing nrxus/advent_2018 [INFO] finished frobbing nrxus/advent_2018 [INFO] frobbed toml for nrxus/advent_2018 written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/nrxus/advent_2018/Cargo.toml [INFO] crate nrxus/advent_2018 already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking nrxus/advent_2018 against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-0/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/nrxus/advent_2018:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] cef1716c292defdb8e45044f41838538a96b7863fcd2885336b8d6cf14b7b4c9 [INFO] running `"docker" "start" "-a" "cef1716c292defdb8e45044f41838538a96b7863fcd2885336b8d6cf14b7b4c9"` [INFO] [stderr] Compiling crc32fast v1.1.1 [INFO] [stderr] Checking array-macro v1.0.2 [INFO] [stderr] Checking reexport-proc-macro v1.0.5 [INFO] [stderr] Checking strum v0.13.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking memchr v2.1.2 [INFO] [stderr] Checking cookie v0.11.0 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling syn v0.15.23 [INFO] [stderr] Checking tokio-reactor v0.1.7 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-tcp v0.1.2 [INFO] [stderr] Checking tokio-uds v0.2.4 [INFO] [stderr] Checking libflate v0.1.19 [INFO] [stderr] Checking regex v1.1.0 [INFO] [stderr] Checking tokio v0.1.13 [INFO] [stderr] Checking hyper v0.12.16 [INFO] [stderr] Compiling enum-map-derive v0.4.0 [INFO] [stderr] Compiling strum_macros v0.13.0 [INFO] [stderr] Checking enum-map v0.4.1 [INFO] [stderr] Checking hyper-tls v0.3.1 [INFO] [stderr] Checking reqwest v0.9.5 [INFO] [stderr] Checking advent_2018 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/four_b.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(try_from)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(stable_features)] on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/four_a.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(try_from)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(stable_features)] on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/four_b.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(try_from)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(stable_features)] on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/four_a.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(try_from)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(stable_features)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `cart_product` [INFO] [stderr] --> src/extensions.rs:17:1 [INFO] [stderr] | [INFO] [stderr] 17 | / pub fn cart_product( [INFO] [stderr] 18 | | a: impl Iterator, [INFO] [stderr] 19 | | b: impl Iterator + Clone, [INFO] [stderr] 20 | | ) -> impl Iterator { [INFO] [stderr] 21 | | a.flat_map(move |a| b.clone().map(move |b| (a, b))) [INFO] [stderr] 22 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `cart_product` [INFO] [stderr] --> src/extensions.rs:17:1 [INFO] [stderr] | [INFO] [stderr] 17 | / pub fn cart_product( [INFO] [stderr] 18 | | a: impl Iterator, [INFO] [stderr] 19 | | b: impl Iterator + Clone, [INFO] [stderr] 20 | | ) -> impl Iterator { [INFO] [stderr] 21 | | a.flat_map(move |a| b.clone().map(move |b| (a, b))) [INFO] [stderr] 22 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 39s [INFO] running `"docker" "inspect" "cef1716c292defdb8e45044f41838538a96b7863fcd2885336b8d6cf14b7b4c9"` [INFO] running `"docker" "rm" "-f" "cef1716c292defdb8e45044f41838538a96b7863fcd2885336b8d6cf14b7b4c9"` [INFO] [stdout] cef1716c292defdb8e45044f41838538a96b7863fcd2885336b8d6cf14b7b4c9