[INFO] updating cached repository cohama/pfds [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/cohama/pfds [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/cohama/pfds" "work/ex/beta-1.38-1/sources/1.37.0/gh/cohama/pfds"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/cohama/pfds'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/cohama/pfds" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cohama/pfds"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cohama/pfds'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a81905a7f9b100c348aae02ad954f2a932e25f3d [INFO] sha for GitHub repo cohama/pfds: a81905a7f9b100c348aae02ad954f2a932e25f3d [INFO] validating manifest of cohama/pfds 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 cohama/pfds 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 cohama/pfds [INFO] finished frobbing cohama/pfds [INFO] frobbed toml for cohama/pfds written to work/ex/beta-1.38-1/sources/1.37.0/gh/cohama/pfds/Cargo.toml [INFO] started frobbing cohama/pfds [INFO] finished frobbing cohama/pfds [INFO] frobbed toml for cohama/pfds written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cohama/pfds/Cargo.toml [INFO] crate cohama/pfds 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 cohama/pfds against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cohama/pfds:/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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 77fc2276c796ead1516174b2b2a5b32e9b4b9fae5365dfb7255196ac791db34e [INFO] running `"docker" "start" "-a" "77fc2276c796ead1516174b2b2a5b32e9b4b9fae5365dfb7255196ac791db34e"` [INFO] [stderr] Compiling num-bigint v0.1.40 [INFO] [stderr] Compiling num-rational v0.1.39 [INFO] [stderr] Compiling num v0.1.40 [INFO] [stderr] Compiling stopwatch v0.0.7 [INFO] [stderr] Compiling pfds v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0432]: unresolved import `std::boxed::FnBox` [INFO] [stderr] --> src/impls/redblacktree.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::boxed::FnBox; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed` [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #![feature(fnbox)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #![feature(box_syntax)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/impls/redblacktree.rs:39:14 [INFO] [stderr] | [INFO] [stderr] 39 | Func(Box TailRec<'a, T> + 'a>) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox() -> TailRec<'a, T> + 'a` [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/impls/redblacktree.rs:216:37 [INFO] [stderr] | [INFO] [stderr] 216 | k: Box, i32, List) -> TailRec<'a, RedBlackTree> + 'a>) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox(RedBlackTree, i32, List) -> TailRec<'a, RedBlackTree> + 'a` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/impls/redblacktree.rs:251:35 [INFO] [stderr] | [INFO] [stderr] 251 | k: Box, i32, List) -> RedBlackTree + 'a>) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox(RedBlackTree, i32, List) -> RedBlackTree + 'a` [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0432, E0554. [INFO] [stderr] For more information about an error, try `rustc --explain E0432`. [INFO] [stderr] error: Could not compile `pfds`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "77fc2276c796ead1516174b2b2a5b32e9b4b9fae5365dfb7255196ac791db34e"` [INFO] running `"docker" "rm" "-f" "77fc2276c796ead1516174b2b2a5b32e9b4b9fae5365dfb7255196ac791db34e"` [INFO] [stdout] 77fc2276c796ead1516174b2b2a5b32e9b4b9fae5365dfb7255196ac791db34e