Dec 18 06:21:32.209 INFO checking MoonL1ght/Rust-Markov-Chain against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252 Dec 18 06:21:32.209 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/MoonL1ght/Rust-Markov-Chain:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"` Dec 18 06:21:32.395 INFO [stdout] 9308f9a68e82a0f2d61ff3dff705a473f3e1d12f5f37df5cbf54c60d3d332156 Dec 18 06:21:32.398 INFO running `"docker" "start" "-a" "9308f9a68e82a0f2d61ff3dff705a473f3e1d12f5f37df5cbf54c60d3d332156"` Dec 18 06:21:33.135 INFO [stderr] Checking libc v0.2.21 (/opt/crater/workdir/libs/libc) Dec 18 06:21:33.863 INFO [stderr] Checking rand v0.3.15 (/opt/crater/workdir/libs/rand) Dec 18 06:21:34.705 INFO [stderr] warning: floating-point types cannot be used in patterns Dec 18 06:21:34.705 INFO [stderr] --> libs/rand/src/distributions/gamma.rs:106:13 Dec 18 06:21:34.705 INFO [stderr] | Dec 18 06:21:34.705 INFO [stderr] 106 | 1.0 => One(Exp::new(1.0 / scale)), Dec 18 06:21:34.705 INFO [stderr] | ^^^ Dec 18 06:21:34.705 INFO [stderr] | Dec 18 06:21:34.705 INFO [stderr] = note: #[warn(illegal_floating_point_literal_pattern)] on by default Dec 18 06:21:34.705 INFO [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! Dec 18 06:21:34.705 INFO [stderr] = note: for more information, see issue #41620 Dec 18 06:21:34.705 INFO [stderr] Dec 18 06:21:34.705 INFO [stderr] warning: floating-point types cannot be used in patterns Dec 18 06:21:34.705 INFO [stderr] --> libs/rand/src/distributions/gamma.rs:107:13 Dec 18 06:21:34.705 INFO [stderr] | Dec 18 06:21:34.705 INFO [stderr] 107 | 0.0 ... 1.0 => Small(GammaSmallShape::new_raw(shape, scale)), Dec 18 06:21:34.705 INFO [stderr] | ^^^ Dec 18 06:21:34.705 INFO [stderr] | Dec 18 06:21:34.705 INFO [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! Dec 18 06:21:34.705 INFO [stderr] = note: for more information, see issue #41620 Dec 18 06:21:34.705 INFO [stderr] Dec 18 06:21:34.705 INFO [stderr] warning: floating-point types cannot be used in patterns Dec 18 06:21:34.705 INFO [stderr] --> libs/rand/src/distributions/gamma.rs:107:21 Dec 18 06:21:34.705 INFO [stderr] | Dec 18 06:21:34.705 INFO [stderr] 107 | 0.0 ... 1.0 => Small(GammaSmallShape::new_raw(shape, scale)), Dec 18 06:21:34.705 INFO [stderr] | ^^^ Dec 18 06:21:34.705 INFO [stderr] | Dec 18 06:21:34.705 INFO [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! Dec 18 06:21:34.705 INFO [stderr] = note: for more information, see issue #41620 Dec 18 06:21:34.705 INFO [stderr] Dec 18 06:21:34.772 INFO [stderr] warning: floating-point types cannot be used in patterns Dec 18 06:21:34.772 INFO [stderr] --> libs/rand/src/distributions/gamma.rs:106:13 Dec 18 06:21:34.772 INFO [stderr] | Dec 18 06:21:34.772 INFO [stderr] 106 | 1.0 => One(Exp::new(1.0 / scale)), Dec 18 06:21:34.772 INFO [stderr] | ^^^ Dec 18 06:21:34.772 INFO [stderr] | Dec 18 06:21:34.772 INFO [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! Dec 18 06:21:34.772 INFO [stderr] = note: for more information, see issue #41620 Dec 18 06:21:34.772 INFO [stderr] Dec 18 06:21:34.888 INFO [stderr] warning: variable does not need to be mutable Dec 18 06:21:34.889 INFO [stderr] --> libs/rand/src/os.rs:56:13 Dec 18 06:21:34.889 INFO [stderr] | Dec 18 06:21:34.889 INFO [stderr] 56 | fn next_u32(mut fill_buf: &mut FnMut(&mut [u8])) -> u32 { Dec 18 06:21:34.889 INFO [stderr] | ----^^^^^^^^ Dec 18 06:21:34.889 INFO [stderr] | | Dec 18 06:21:34.889 INFO [stderr] | help: remove this `mut` Dec 18 06:21:34.889 INFO [stderr] | Dec 18 06:21:34.889 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 18 06:21:34.889 INFO [stderr] Dec 18 06:21:34.889 INFO [stderr] warning: variable does not need to be mutable Dec 18 06:21:34.889 INFO [stderr] --> libs/rand/src/os.rs:62:13 Dec 18 06:21:34.889 INFO [stderr] | Dec 18 06:21:34.889 INFO [stderr] 62 | fn next_u64(mut fill_buf: &mut FnMut(&mut [u8])) -> u64 { Dec 18 06:21:34.889 INFO [stderr] | ----^^^^^^^^ Dec 18 06:21:34.889 INFO [stderr] | | Dec 18 06:21:34.889 INFO [stderr] | help: remove this `mut` Dec 18 06:21:34.889 INFO [stderr] Dec 18 06:21:34.952 INFO [stderr] Checking markov_chain v0.1.0 (/opt/crater/workdir) Dec 18 06:21:35.336 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.21s Dec 18 06:21:35.704 INFO running `"docker" "inspect" "9308f9a68e82a0f2d61ff3dff705a473f3e1d12f5f37df5cbf54c60d3d332156"` Dec 18 06:21:35.912 INFO running `"docker" "rm" "-f" "9308f9a68e82a0f2d61ff3dff705a473f3e1d12f5f37df5cbf54c60d3d332156"` Dec 18 06:21:36.108 INFO [stdout] 9308f9a68e82a0f2d61ff3dff705a473f3e1d12f5f37df5cbf54c60d3d332156