[INFO] crate skiplist 0.2.10 is already in cache [INFO] extracting crate skiplist 0.2.10 into work/ex/beta-1.37-6/sources/1.36.0/reg/skiplist/0.2.10 [INFO] extracting crate skiplist 0.2.10 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/skiplist/0.2.10 [INFO] validating manifest of skiplist-0.2.10 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 skiplist-0.2.10 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 skiplist-0.2.10 [INFO] finished frobbing skiplist-0.2.10 [INFO] frobbed toml for skiplist-0.2.10 written to work/ex/beta-1.37-6/sources/1.36.0/reg/skiplist/0.2.10/Cargo.toml [INFO] started frobbing skiplist-0.2.10 [INFO] finished frobbing skiplist-0.2.10 [INFO] frobbed toml for skiplist-0.2.10 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/skiplist/0.2.10/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 skiplist-0.2.10 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/skiplist/0.2.10:/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] d30f6cf51931cd96c2fb1b8add84630f0b9c01aa9dfe3cf51d1b36f7ba09b0f6 [INFO] running `"docker" "start" "-a" "d30f6cf51931cd96c2fb1b8add84630f0b9c01aa9dfe3cf51d1b36f7ba09b0f6"` [INFO] [stderr] Compiling skiplist v0.2.10 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.42s [INFO] running `"docker" "inspect" "d30f6cf51931cd96c2fb1b8add84630f0b9c01aa9dfe3cf51d1b36f7ba09b0f6"` [INFO] running `"docker" "rm" "-f" "d30f6cf51931cd96c2fb1b8add84630f0b9c01aa9dfe3cf51d1b36f7ba09b0f6"` [INFO] [stdout] d30f6cf51931cd96c2fb1b8add84630f0b9c01aa9dfe3cf51d1b36f7ba09b0f6 [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/skiplist/0.2.10:/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" "test" "--frozen" "--no-run"` [INFO] [stdout] 10083dc880be7a455ed0b90f5aa9b2570bbe4a0d75808a741c6da4bbe701ea90 [INFO] running `"docker" "start" "-a" "10083dc880be7a455ed0b90f5aa9b2570bbe4a0d75808a741c6da4bbe701ea90"` [INFO] [stderr] Compiling skiplist v0.2.10 (/opt/crater/workdir) [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:27:19 [INFO] [stderr] | [INFO] [stderr] 27 | #![cfg_attr(test, feature(test, collections_bound))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `range` found for type `ordered_skiplist::OrderedSkipList<{integer}>` in the current scope [INFO] [stderr] --> src/ordered_skiplist.rs:1733:27 [INFO] [stderr] | [INFO] [stderr] 42 | pub struct OrderedSkipList { [INFO] [stderr] | ----------------------------- method `range` not found for this [INFO] [stderr] ... [INFO] [stderr] 1733 | for (&v, i) in sl.range(Included(&2), Unbounded).zip(2..size) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `range` found for type `&ordered_skiplist::OrderedSkipList` in the current scope [INFO] [stderr] --> src/ordered_skiplist.rs:1746:33 [INFO] [stderr] | [INFO] [stderr] 1746 | let mut values = sl.range(min, max).map(|&i| i); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `range` found for type `ordered_skiplist::OrderedSkipList<{integer}>` in the current scope [INFO] [stderr] --> src/ordered_skiplist.rs:1770:37 [INFO] [stderr] | [INFO] [stderr] 42 | pub struct OrderedSkipList { [INFO] [stderr] | ----------------------------- method `range` not found for this [INFO] [stderr] ... [INFO] [stderr] 1770 | let mut values = sl.range(Included(&i), Included(&j)).map(|&i| i); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `range` found for type `skipmap::SkipMap<{integer}, {integer}>` in the current scope [INFO] [stderr] --> src/skipmap.rs:1851:33 [INFO] [stderr] | [INFO] [stderr] 125 | pub struct SkipMap { [INFO] [stderr] | ------------------------ method `range` not found for this [INFO] [stderr] ... [INFO] [stderr] 1851 | for ((&k, &v), i) in sm.range(Included(&2), Unbounded).zip(2..size) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `range` found for type `&skipmap::SkipMap` in the current scope [INFO] [stderr] --> src/skipmap.rs:1865:33 [INFO] [stderr] | [INFO] [stderr] 1865 | let mut values = sm.range(min, max).map(|(&a, &b)| (a, b)); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `range` found for type `skipmap::SkipMap<{integer}, {integer}>` in the current scope [INFO] [stderr] --> src/skipmap.rs:1890:37 [INFO] [stderr] | [INFO] [stderr] 125 | pub struct SkipMap { [INFO] [stderr] | ------------------------ method `range` not found for this [INFO] [stderr] ... [INFO] [stderr] 1890 | let mut values = sm.range(Included(&i), Included(&j)).map(|(&a, &b)| (a, b)); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `range` found for type `skiplist::SkipList<{integer}>` in the current scope [INFO] [stderr] --> src/skiplist.rs:1529:27 [INFO] [stderr] | [INFO] [stderr] 25 | pub struct SkipList { [INFO] [stderr] | ---------------------- method `range` not found for this [INFO] [stderr] ... [INFO] [stderr] 1529 | for (&v, i) in sl.range(Included(2), Unbounded).zip(2..size) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `range` found for type `&skiplist::SkipList` in the current scope [INFO] [stderr] --> src/skiplist.rs:1542:33 [INFO] [stderr] | [INFO] [stderr] 1542 | let mut values = sl.range(min, max).map(|&i| i); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `range` found for type `skiplist::SkipList<{integer}>` in the current scope [INFO] [stderr] --> src/skiplist.rs:1566:37 [INFO] [stderr] | [INFO] [stderr] 25 | pub struct SkipList { [INFO] [stderr] | ---------------------- method `range` not found for this [INFO] [stderr] ... [INFO] [stderr] 1566 | let mut values = sl.range(Included(i), Included(j)).map(|&i| i); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `range` found for type `skiplist::SkipList<{integer}>` in the current scope [INFO] [stderr] --> src/skiplist.rs:1579:37 [INFO] [stderr] | [INFO] [stderr] 25 | pub struct SkipList { [INFO] [stderr] | ---------------------- method `range` not found for this [INFO] [stderr] ... [INFO] [stderr] 1579 | let mut values = sl.range(Included(i), Included(j)).rev().map(|&i| i); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 11 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0554, E0599. [INFO] [stderr] For more information about an error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `skiplist`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "10083dc880be7a455ed0b90f5aa9b2570bbe4a0d75808a741c6da4bbe701ea90"` [INFO] running `"docker" "rm" "-f" "10083dc880be7a455ed0b90f5aa9b2570bbe4a0d75808a741c6da4bbe701ea90"` [INFO] [stdout] 10083dc880be7a455ed0b90f5aa9b2570bbe4a0d75808a741c6da4bbe701ea90