[INFO] updating cached repository kirillkh/xword_constructor [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/kirillkh/xword_constructor [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/kirillkh/xword_constructor" "work/ex/beta-1.38-1/sources/1.37.0/gh/kirillkh/xword_constructor"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kirillkh/xword_constructor'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/kirillkh/xword_constructor" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kirillkh/xword_constructor"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kirillkh/xword_constructor'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a0c41e39d0fbe016dec80429df8b32fc39579fe5 [INFO] sha for GitHub repo kirillkh/xword_constructor: a0c41e39d0fbe016dec80429df8b32fc39579fe5 [INFO] validating manifest of kirillkh/xword_constructor on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of kirillkh/xword_constructor on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing kirillkh/xword_constructor [INFO] finished frobbing kirillkh/xword_constructor [INFO] frobbed toml for kirillkh/xword_constructor written to work/ex/beta-1.38-1/sources/1.37.0/gh/kirillkh/xword_constructor/Cargo.toml [INFO] started frobbing kirillkh/xword_constructor [INFO] finished frobbing kirillkh/xword_constructor [INFO] frobbed toml for kirillkh/xword_constructor written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kirillkh/xword_constructor/Cargo.toml [INFO] crate kirillkh/xword_constructor already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing kirillkh/xword_constructor against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kirillkh/xword_constructor:/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=warn" "-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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 5ffc08a99862b617ed7eb68cba08d88e64fb6392246d8de70e0b1672251c5dfc [INFO] running `"docker" "start" "-a" "5ffc08a99862b617ed7eb68cba08d88e64fb6392246d8de70e0b1672251c5dfc"` [INFO] [stderr] Compiling libc v0.2.8 [INFO] [stderr] Compiling either v1.0.1 [INFO] [stderr] Compiling ndarray v0.6.8 [INFO] [stderr] Compiling matrixmultiply v0.1.11 [INFO] [stderr] Compiling mempool v0.2.0 [INFO] [stderr] Compiling regex-syntax v0.3.1 [INFO] [stderr] Compiling getopts v0.2.14 [INFO] [stderr] Compiling num-complex v0.1.35 [INFO] [stderr] Compiling itertools v0.5.5 [INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.14/src/lib.rs:1008:33 [INFO] [stderr] | [INFO] [stderr] 955 | let mut machine = |cont: &mut bool, (i, c): (usize, char)| { [INFO] [stderr] | ---------------------------------------- borrow of `state` occurs here [INFO] [stderr] ... [INFO] [stderr] 959 | state = match (state, whitespace, limit) { [INFO] [stderr] | ----- borrow occurs due to use of `state` in closure [INFO] [stderr] ... [INFO] [stderr] 1008 | while cont && match state { B | C => true, A => false } { [INFO] [stderr] | ^ use of borrowed `state` [INFO] [stderr] 1009 | machine(&mut cont, (fake_i, ' ')); [INFO] [stderr] | ------- 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] Compiling memchr v0.1.10 [INFO] [stderr] Compiling rand v0.3.14 [INFO] [stderr] Compiling aho-corasick v0.5.1 [INFO] [stderr] Compiling regex v0.1.61 [INFO] [stderr] Compiling xword_constructor v0.2.1 (/opt/crater/workdir) [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(test)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(repr_simd)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #![feature(specialization)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/common.rs:399:32 [INFO] [stderr] | [INFO] [stderr] 399 | fn clone_to_box(&self) -> Box; [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AbstractRng` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/common.rs:411:32 [INFO] [stderr] | [INFO] [stderr] 411 | fn clone_to_box(&self) -> Box { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AbstractRng` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/common.rs:447:32 [INFO] [stderr] | [INFO] [stderr] 447 | fn clone_to_box(&self) -> Box { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AbstractRng` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/common.rs:470:25 [INFO] [stderr] | [INFO] [stderr] 470 | pub fn xor_rng() -> Box { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AbstractRng` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/common.rs:475:24 [INFO] [stderr] | [INFO] [stderr] 475 | pub fn tl_rng() -> Box { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AbstractRng` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/common.rs:479:26 [INFO] [stderr] | [INFO] [stderr] 479 | pub fn make_rng() -> Box { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AbstractRng` [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/common.rs:524:1 [INFO] [stderr] | [INFO] [stderr] 524 | / macro_rules! if_let { [INFO] [stderr] 525 | | ($x:pat = $e:expr => $a:block else $b:block) => {{ [INFO] [stderr] 526 | | let opt_value = if let $x = $e { [INFO] [stderr] 527 | | Some($a) [INFO] [stderr] ... | [INFO] [stderr] 536 | | }} [INFO] [stderr] 537 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_macros)] on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/fixed_grid.rs:54:11 [INFO] [stderr] | [INFO] [stderr] 54 | rng: &'a AbstractRng, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AbstractRng` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/fixed_grid.rs:60:38 [INFO] [stderr] | [INFO] [stderr] 60 | pub fn new(h: dim, w: dim, rng: &'a AbstractRng) -> FixedGrid<'a, Move> { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AbstractRng` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/global2/constructor2.rs:121:14 [INFO] [stderr] | [INFO] [stderr] 121 | rng: Box [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn AbstractRng` [INFO] [stderr] [INFO] [stderr] warning: unused import: `fnv::FnvHashSet` [INFO] [stderr] --> src/global2/variant_grid/compat_map.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use fnv::FnvHashSet; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `max`, `min` [INFO] [stderr] --> src/global2/variant_grid/mod.rs:13:16 [INFO] [stderr] | [INFO] [stderr] 13 | use std::cmp::{max, min}; [INFO] [stderr] | ^^^ ^^^ [INFO] [stderr] [INFO] [stderr] warning: type annotations needed [INFO] [stderr] --> src/global2/weighted_selection_tree.rs:59:38 [INFO] [stderr] | [INFO] [stderr] 59 | ptr::write(nodes_ptr.offset(i as isize), node); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(tyvar_behind_raw_pointer)] on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition! [INFO] [stderr] = note: for more information, see issue #46906 [INFO] [stderr] [INFO] [stderr] warning: type annotations needed [INFO] [stderr] --> src/global2/weighted_selection_tree.rs:615:47 [INFO] [stderr] | [INFO] [stderr] 615 | let rm_ptr = unsafe { removed_ptr.offset(iremoved as isize) }; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition! [INFO] [stderr] = note: for more information, see issue #46906 [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `xword_constructor`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "5ffc08a99862b617ed7eb68cba08d88e64fb6392246d8de70e0b1672251c5dfc"` [INFO] running `"docker" "rm" "-f" "5ffc08a99862b617ed7eb68cba08d88e64fb6392246d8de70e0b1672251c5dfc"` [INFO] [stdout] 5ffc08a99862b617ed7eb68cba08d88e64fb6392246d8de70e0b1672251c5dfc