[INFO] crate vertree 0.2.2 is already in cache
[INFO] extracting crate vertree 0.2.2 into work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/reg/vertree/0.2.2
[INFO] extracting crate vertree 0.2.2 into work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/vertree/0.2.2
[INFO] validating manifest of vertree-0.2.2 on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of vertree-0.2.2 on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing vertree-0.2.2
[INFO] finished frobbing vertree-0.2.2
[INFO] frobbed toml for vertree-0.2.2 written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/reg/vertree/0.2.2/Cargo.toml
[INFO] started frobbing vertree-0.2.2
[INFO] finished frobbing vertree-0.2.2
[INFO] frobbed toml for vertree-0.2.2 written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/vertree/0.2.2/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking vertree-0.2.2 against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-6/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/reg/vertree/0.2.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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=forbid" "-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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 768c0fe8741f43da6fb022c8754cba1890a786587e010a0faf4e507c4414ad1e
[INFO] running `"docker" "start" "-a" "768c0fe8741f43da6fb022c8754cba1890a786587e010a0faf4e507c4414ad1e"`
[INFO] [stderr]     Checking assert_matches v1.3.0
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking quickcheck v0.4.1
[INFO] [stderr]     Checking vertree v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/snapshot.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |       /// Create a random tree, take a snapshot, and ensure reading it back in gives the same tree
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 35 | /     quickcheck! {
[INFO] [stderr] 36 | |         fn prop_rountrip(node_specs: Vec<(Path, NodeType)>) -> bool {
[INFO] [stderr] 37 | |             let tree = node_specs.iter().fold(Tree::new(), |acc, &(ref path, ref node_type)| {
[INFO] [stderr] 38 | |                 // Ignore failures. We may try to insert a node into a non-directory due to
[INFO] [stderr] ...  |
[INFO] [stderr] 53 | |         }
[INFO] [stderr] 54 | |     }
[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/cas.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 | /     /// Generate a bunch of write operations. Run them one at a time and filter out failing
[INFO] [stderr] 56 | |     /// operations. Then run the whole set as a multi-cas. Ensure the output is the same between the
[INFO] [stderr] 57 | |     /// ops run in the multicas and one at a time.
[INFO] [stderr]    | |__________________________________________________^
[INFO] [stderr] 58 | /     quickcheck! {
[INFO] [stderr] 59 | |         fn prop_multi_cas_equals_individual_ops(ops: Vec<WriteOp>) -> bool {
[INFO] [stderr] 60 | |             let tree = Tree::new();
[INFO] [stderr] 61 | |             let (filtered_ops, individual_replies, individual_tree) = filter_by_valid(ops);
[INFO] [stderr] ...  |
[INFO] [stderr] 65 | |         }
[INFO] [stderr] 66 | |     }
[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] warning: unused doc comment
[INFO] [stderr]   --> src/snapshot.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |       /// Create a random tree, take a snapshot, and ensure reading it back in gives the same tree
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 35 | /     quickcheck! {
[INFO] [stderr] 36 | |         fn prop_rountrip(node_specs: Vec<(Path, NodeType)>) -> bool {
[INFO] [stderr] 37 | |             let tree = node_specs.iter().fold(Tree::new(), |acc, &(ref path, ref node_type)| {
[INFO] [stderr] 38 | |                 // Ignore failures. We may try to insert a node into a non-directory due to
[INFO] [stderr] ...  |
[INFO] [stderr] 53 | |         }
[INFO] [stderr] 54 | |     }
[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/cas.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 | /     /// Generate a bunch of write operations. Run them one at a time and filter out failing
[INFO] [stderr] 56 | |     /// operations. Then run the whole set as a multi-cas. Ensure the output is the same between the
[INFO] [stderr] 57 | |     /// ops run in the multicas and one at a time.
[INFO] [stderr]    | |__________________________________________________^
[INFO] [stderr] 58 | /     quickcheck! {
[INFO] [stderr] 59 | |         fn prop_multi_cas_equals_individual_ops(ops: Vec<WriteOp>) -> bool {
[INFO] [stderr] 60 | |             let tree = Tree::new();
[INFO] [stderr] 61 | |             let (filtered_ops, individual_replies, individual_tree) = filter_by_valid(ops);
[INFO] [stderr] ...  |
[INFO] [stderr] 65 | |         }
[INFO] [stderr] 66 | |     }
[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] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/tree.rs:143:23
[INFO] [stderr]     |
[INFO] [stderr] 143 |         let dir = dir.trim_right_matches('/');
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:4:1
[INFO] [stderr]    |
[INFO] [stderr] 4  | / error_chain! {
[INFO] [stderr] 5  | |     foreign_links {
[INFO] [stderr] 6  | |         Io(::std::io::Error) #[cfg(unix)];
[INFO] [stderr] 7  | |         MsgPackEncodeError(rmp_serde::encode::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 45 | |     }
[INFO] [stderr] 46 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tree.rs:268:14
[INFO] [stderr]     |
[INFO] [stderr] 268 |         let (mut queue, version, tree) = {
[INFO] [stderr]     |              ----^^^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tree.rs:282:14
[INFO] [stderr]     |
[INFO] [stderr] 282 |         let (mut queue, version, tree) = {
[INFO] [stderr]     |              ----^^^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tree.rs:295:14
[INFO] [stderr]     |
[INFO] [stderr] 295 |         let (mut set, version, tree) = {
[INFO] [stderr]     |              ----^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tree.rs:308:14
[INFO] [stderr]     |
[INFO] [stderr] 308 |         let (mut set, version, tree) = {
[INFO] [stderr]     |              ----^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tree.rs:322:13
[INFO] [stderr]     |
[INFO] [stderr] 322 |         let mut queue = node.content.get_queue_mut().unwrap();
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tree.rs:328:13
[INFO] [stderr]     |
[INFO] [stderr] 328 |         let mut queue = node.content.get_set_mut().unwrap();
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/tree.rs:143:23
[INFO] [stderr]     |
[INFO] [stderr] 143 |         let dir = dir.trim_right_matches('/');
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/iterators.rs:352:55
[INFO] [stderr]     |
[INFO] [stderr] 352 |         let paths: Vec<&str> = paths.iter().map(|p| p.trim_right_matches('/')).collect();
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:4:1
[INFO] [stderr]    |
[INFO] [stderr] 4  | / error_chain! {
[INFO] [stderr] 5  | |     foreign_links {
[INFO] [stderr] 6  | |         Io(::std::io::Error) #[cfg(unix)];
[INFO] [stderr] 7  | |         MsgPackEncodeError(rmp_serde::encode::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 45 | |     }
[INFO] [stderr] 46 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tree.rs:268:14
[INFO] [stderr]     |
[INFO] [stderr] 268 |         let (mut queue, version, tree) = {
[INFO] [stderr]     |              ----^^^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tree.rs:282:14
[INFO] [stderr]     |
[INFO] [stderr] 282 |         let (mut queue, version, tree) = {
[INFO] [stderr]     |              ----^^^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tree.rs:295:14
[INFO] [stderr]     |
[INFO] [stderr] 295 |         let (mut set, version, tree) = {
[INFO] [stderr]     |              ----^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tree.rs:308:14
[INFO] [stderr]     |
[INFO] [stderr] 308 |         let (mut set, version, tree) = {
[INFO] [stderr]     |              ----^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tree.rs:322:13
[INFO] [stderr]     |
[INFO] [stderr] 322 |         let mut queue = node.content.get_queue_mut().unwrap();
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tree.rs:328:13
[INFO] [stderr]     |
[INFO] [stderr] 328 |         let mut queue = node.content.get_set_mut().unwrap();
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.82s
[INFO] running `"docker" "inspect" "768c0fe8741f43da6fb022c8754cba1890a786587e010a0faf4e507c4414ad1e"`
[INFO] running `"docker" "rm" "-f" "768c0fe8741f43da6fb022c8754cba1890a786587e010a0faf4e507c4414ad1e"`
[INFO] [stdout] 768c0fe8741f43da6fb022c8754cba1890a786587e010a0faf4e507c4414ad1e