Dec 12 01:21:00.987 INFO checking MoonL1ght/Rust-Markov-Chain against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 01:21:00.987 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 01:21:01.248 INFO [stdout] 02582b5120aac35a42b800881db26e666fc7141d0dead67b71c3ed47beb55eb6
Dec 12 01:21:01.258 INFO running `"docker" "start" "-a" "02582b5120aac35a42b800881db26e666fc7141d0dead67b71c3ed47beb55eb6"`
Dec 12 01:21:02.053 INFO [stderr] usermod: no changes
Dec 12 01:21:02.108 INFO [stderr]     Checking libc v0.2.21 (/source/libs/libc)
Dec 12 01:21:03.012 INFO [stderr]     Checking rand v0.3.15 (/source/libs/rand)
Dec 12 01:21:04.083 INFO [stderr] warning: floating-point types cannot be used in patterns
Dec 12 01:21:04.083 INFO [stderr]    --> libs/rand/src/distributions/gamma.rs:106:13
Dec 12 01:21:04.083 INFO [stderr]     |
Dec 12 01:21:04.083 INFO [stderr] 106 |             1.0         => One(Exp::new(1.0 / scale)),
Dec 12 01:21:04.083 INFO [stderr]     |             ^^^
Dec 12 01:21:04.083 INFO [stderr]     |
Dec 12 01:21:04.083 INFO [stderr]     = note: #[warn(illegal_floating_point_literal_pattern)] on by default
Dec 12 01:21:04.083 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 12 01:21:04.083 INFO [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Dec 12 01:21:04.083 INFO [stderr] 
Dec 12 01:21:04.084 INFO [stderr] warning: floating-point types cannot be used in patterns
Dec 12 01:21:04.084 INFO [stderr]    --> libs/rand/src/distributions/gamma.rs:107:13
Dec 12 01:21:04.084 INFO [stderr]     |
Dec 12 01:21:04.084 INFO [stderr] 107 |             0.0 ... 1.0 => Small(GammaSmallShape::new_raw(shape, scale)),
Dec 12 01:21:04.084 INFO [stderr]     |             ^^^
Dec 12 01:21:04.084 INFO [stderr]     |
Dec 12 01:21:04.084 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 12 01:21:04.084 INFO [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Dec 12 01:21:04.084 INFO [stderr] 
Dec 12 01:21:04.084 INFO [stderr] warning: floating-point types cannot be used in patterns
Dec 12 01:21:04.084 INFO [stderr]    --> libs/rand/src/distributions/gamma.rs:107:21
Dec 12 01:21:04.084 INFO [stderr]     |
Dec 12 01:21:04.084 INFO [stderr] 107 |             0.0 ... 1.0 => Small(GammaSmallShape::new_raw(shape, scale)),
Dec 12 01:21:04.084 INFO [stderr]     |                     ^^^
Dec 12 01:21:04.084 INFO [stderr]     |
Dec 12 01:21:04.084 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 12 01:21:04.084 INFO [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Dec 12 01:21:04.084 INFO [stderr] 
Dec 12 01:21:04.151 INFO [stderr] warning: floating-point types cannot be used in patterns
Dec 12 01:21:04.151 INFO [stderr]    --> libs/rand/src/distributions/gamma.rs:106:13
Dec 12 01:21:04.151 INFO [stderr]     |
Dec 12 01:21:04.151 INFO [stderr] 106 |             1.0         => One(Exp::new(1.0 / scale)),
Dec 12 01:21:04.151 INFO [stderr]     |             ^^^
Dec 12 01:21:04.151 INFO [stderr]     |
Dec 12 01:21:04.151 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 12 01:21:04.151 INFO [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
Dec 12 01:21:04.151 INFO [stderr] 
Dec 12 01:21:04.347 INFO [stderr] warning: variable does not need to be mutable
Dec 12 01:21:04.347 INFO [stderr]   --> libs/rand/src/os.rs:56:13
Dec 12 01:21:04.347 INFO [stderr]    |
Dec 12 01:21:04.347 INFO [stderr] 56 | fn next_u32(mut fill_buf: &mut FnMut(&mut [u8])) -> u32 {
Dec 12 01:21:04.347 INFO [stderr]    |             ----^^^^^^^^
Dec 12 01:21:04.347 INFO [stderr]    |             |
Dec 12 01:21:04.347 INFO [stderr]    |             help: remove this `mut`
Dec 12 01:21:04.347 INFO [stderr]    |
Dec 12 01:21:04.347 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 01:21:04.347 INFO [stderr] 
Dec 12 01:21:04.348 INFO [stderr] warning: variable does not need to be mutable
Dec 12 01:21:04.348 INFO [stderr]   --> libs/rand/src/os.rs:62:13
Dec 12 01:21:04.348 INFO [stderr]    |
Dec 12 01:21:04.348 INFO [stderr] 62 | fn next_u64(mut fill_buf: &mut FnMut(&mut [u8])) -> u64 {
Dec 12 01:21:04.348 INFO [stderr]    |             ----^^^^^^^^
Dec 12 01:21:04.348 INFO [stderr]    |             |
Dec 12 01:21:04.348 INFO [stderr]    |             help: remove this `mut`
Dec 12 01:21:04.348 INFO [stderr] 
Dec 12 01:21:04.462 INFO [stderr]     Checking markov_chain v0.1.0 (/source)
Dec 12 01:21:05.413 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.33s
Dec 12 01:21:05.416 INFO [stderr] su: No module specific data is present
Dec 12 01:21:05.802 INFO running `"docker" "inspect" "02582b5120aac35a42b800881db26e666fc7141d0dead67b71c3ed47beb55eb6"`
Dec 12 01:21:05.921 INFO running `"docker" "rm" "-f" "02582b5120aac35a42b800881db26e666fc7141d0dead67b71c3ed47beb55eb6"`
Dec 12 01:21:06.128 INFO [stdout] 02582b5120aac35a42b800881db26e666fc7141d0dead67b71c3ed47beb55eb6