[INFO] crate adapton 0.3.30 is already in cache [INFO] extracting crate adapton 0.3.30 into work/ex/beta-1.37-6/sources/1.36.0/reg/adapton/0.3.30 [INFO] extracting crate adapton 0.3.30 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/adapton/0.3.30 [INFO] validating manifest of adapton-0.3.30 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of adapton-0.3.30 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing adapton-0.3.30 [INFO] finished frobbing adapton-0.3.30 [INFO] frobbed toml for adapton-0.3.30 written to work/ex/beta-1.37-6/sources/1.36.0/reg/adapton/0.3.30/Cargo.toml [INFO] started frobbing adapton-0.3.30 [INFO] finished frobbing adapton-0.3.30 [INFO] frobbed toml for adapton-0.3.30 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/adapton/0.3.30/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing adapton-0.3.30 against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/adapton/0.3.30:/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 4ada04665ac2cfce5d8ddb185eaa1c5094bb149e4d1cdfd2f4e80745f6f34382 [INFO] running `"docker" "start" "-a" "4ada04665ac2cfce5d8ddb185eaa1c5094bb149e4d1cdfd2f4e80745f6f34382"` [INFO] [stderr] Compiling adapton v0.3.30 (/opt/crater/workdir) [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/engine.rs:36:1 [INFO] [stderr] | [INFO] [stderr] 36 | /// When this option is set to some, the engine will record a trace of its DCG effects. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 37 | thread_local!(static TRACES: RefCell> = RefCell::new( None )); [INFO] [stderr] | ------------------------------------------------------------------------------ rustdoc does not generate documentation for macro expansions [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_doc_comments)] on by default [INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/engine.rs:1560:13 [INFO] [stderr] | [INFO] [stderr] 1560 | / /// Begin an allocation. Because this allocation may require [INFO] [stderr] 1561 | | /// dirtying some allocation edges. (See value of bit [INFO] [stderr] 1562 | | /// `do_dirty`, which is true when we are overwriting what was [INFO] [stderr] 1563 | | /// once a computation with a value). This allocation may also [INFO] [stderr] ... | [INFO] [stderr] 1567 | | /// dirtied too). Hence, this effect may contain other effects [INFO] [stderr] 1568 | | /// to the DCG, namely, those dirtying steps. [INFO] [stderr] | |_________________________________________________________^ [INFO] [stderr] 1569 | // - - - - - - - [INFO] [stderr] 1570 | / dcg_effect_begin!( [INFO] [stderr] 1571 | | reflect::trace::Effect::Alloc( [INFO] [stderr] 1572 | | if is_fresh { reflect::trace::AllocCase::LocFresh } [INFO] [stderr] 1573 | | else { [INFO] [stderr] ... | [INFO] [stderr] 1591 | | } [INFO] [stderr] 1592 | | ); [INFO] [stderr] | |______________- rustdoc does not generate documentation for macro expansions [INFO] [stderr] | [INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:1399:1 [INFO] [stderr] | [INFO] [stderr] 1399 | #![feature(box_patterns)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:1400:1 [INFO] [stderr] | [INFO] [stderr] 1400 | #![feature(box_syntax)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `adapton`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "4ada04665ac2cfce5d8ddb185eaa1c5094bb149e4d1cdfd2f4e80745f6f34382"` [INFO] running `"docker" "rm" "-f" "4ada04665ac2cfce5d8ddb185eaa1c5094bb149e4d1cdfd2f4e80745f6f34382"` [INFO] [stdout] 4ada04665ac2cfce5d8ddb185eaa1c5094bb149e4d1cdfd2f4e80745f6f34382