Dec 18 09:33:45.496 INFO checking vertree-0.2.2 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 09:33:45.496 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/vertree/0.2.2:/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=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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 09:33:45.672 INFO [stdout] d4df0e1e5c8a48771b537028b604260eacdb77ef46759a666b27a351705d52ae
Dec 18 09:33:45.677 INFO running `"docker" "start" "-a" "d4df0e1e5c8a48771b537028b604260eacdb77ef46759a666b27a351705d52ae"`
Dec 18 09:33:46.338 INFO [stderr]     Checking assert_matches v1.3.0
Dec 18 09:33:46.338 INFO [stderr]     Checking rmp-serde v0.13.7
Dec 18 09:33:46.338 INFO [stderr]     Checking error-chain v0.10.0
Dec 18 09:33:46.340 INFO [stderr]     Checking quickcheck v0.4.1
Dec 18 09:33:47.413 INFO [stderr]     Checking vertree v0.2.2 (/opt/crater/workdir)
Dec 18 09:33:48.129 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
Dec 18 09:33:48.129 INFO [stderr]    --> src/tree.rs:143:23
Dec 18 09:33:48.129 INFO [stderr]     |
Dec 18 09:33:48.129 INFO [stderr] 143 |         let dir = dir.trim_right_matches('/');
Dec 18 09:33:48.129 INFO [stderr]     |                       ^^^^^^^^^^^^^^^^^^
Dec 18 09:33:48.129 INFO [stderr]     |
Dec 18 09:33:48.129 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 18 09:33:48.129 INFO [stderr] 
Dec 18 09:33:48.378 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 09:33:48.378 INFO [stderr]   --> src/errors.rs:4:1
Dec 18 09:33:48.378 INFO [stderr]    |
Dec 18 09:33:48.379 INFO [stderr] 4  | / error_chain! {
Dec 18 09:33:48.379 INFO [stderr] 5  | |     foreign_links {
Dec 18 09:33:48.379 INFO [stderr] 6  | |         Io(::std::io::Error) #[cfg(unix)];
Dec 18 09:33:48.379 INFO [stderr] 7  | |         MsgPackEncodeError(rmp_serde::encode::Error);
Dec 18 09:33:48.379 INFO [stderr] ...  |
Dec 18 09:33:48.379 INFO [stderr] 45 | |     }
Dec 18 09:33:48.379 INFO [stderr] 46 | | }
Dec 18 09:33:48.379 INFO [stderr]    | |_^
Dec 18 09:33:48.379 INFO [stderr]    |
Dec 18 09:33:48.379 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)
Dec 18 09:33:48.379 INFO [stderr] 
Dec 18 09:33:48.525 INFO [stderr] warning: variable does not need to be mutable
Dec 18 09:33:48.525 INFO [stderr]    --> src/tree.rs:268:14
Dec 18 09:33:48.525 INFO [stderr]     |
Dec 18 09:33:48.525 INFO [stderr] 268 |         let (mut queue, version, tree) = {
Dec 18 09:33:48.525 INFO [stderr]     |              ----^^^^^
Dec 18 09:33:48.525 INFO [stderr]     |              |
Dec 18 09:33:48.525 INFO [stderr]     |              help: remove this `mut`
Dec 18 09:33:48.525 INFO [stderr]     |
Dec 18 09:33:48.525 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 09:33:48.525 INFO [stderr] 
Dec 18 09:33:48.525 INFO [stderr] warning: variable does not need to be mutable
Dec 18 09:33:48.525 INFO [stderr]    --> src/tree.rs:282:14
Dec 18 09:33:48.526 INFO [stderr]     |
Dec 18 09:33:48.526 INFO [stderr] 282 |         let (mut queue, version, tree) = {
Dec 18 09:33:48.526 INFO [stderr]     |              ----^^^^^
Dec 18 09:33:48.526 INFO [stderr]     |              |
Dec 18 09:33:48.526 INFO [stderr]     |              help: remove this `mut`
Dec 18 09:33:48.526 INFO [stderr] 
Dec 18 09:33:48.527 INFO [stderr] warning: variable does not need to be mutable
Dec 18 09:33:48.527 INFO [stderr]    --> src/tree.rs:295:14
Dec 18 09:33:48.527 INFO [stderr]     |
Dec 18 09:33:48.527 INFO [stderr] 295 |         let (mut set, version, tree) = {
Dec 18 09:33:48.527 INFO [stderr]     |              ----^^^
Dec 18 09:33:48.527 INFO [stderr]     |              |
Dec 18 09:33:48.527 INFO [stderr]     |              help: remove this `mut`
Dec 18 09:33:48.527 INFO [stderr] 
Dec 18 09:33:48.527 INFO [stderr] warning: variable does not need to be mutable
Dec 18 09:33:48.528 INFO [stderr]    --> src/tree.rs:308:14
Dec 18 09:33:48.528 INFO [stderr]     |
Dec 18 09:33:48.528 INFO [stderr] 308 |         let (mut set, version, tree) = {
Dec 18 09:33:48.528 INFO [stderr]     |              ----^^^
Dec 18 09:33:48.528 INFO [stderr]     |              |
Dec 18 09:33:48.528 INFO [stderr]     |              help: remove this `mut`
Dec 18 09:33:48.528 INFO [stderr] 
Dec 18 09:33:48.528 INFO [stderr] warning: variable does not need to be mutable
Dec 18 09:33:48.528 INFO [stderr]    --> src/tree.rs:322:13
Dec 18 09:33:48.528 INFO [stderr]     |
Dec 18 09:33:48.528 INFO [stderr] 322 |         let mut queue = node.content.get_queue_mut().unwrap();
Dec 18 09:33:48.528 INFO [stderr]     |             ----^^^^^
Dec 18 09:33:48.528 INFO [stderr]     |             |
Dec 18 09:33:48.528 INFO [stderr]     |             help: remove this `mut`
Dec 18 09:33:48.528 INFO [stderr] 
Dec 18 09:33:48.529 INFO [stderr] warning: variable does not need to be mutable
Dec 18 09:33:48.529 INFO [stderr]    --> src/tree.rs:328:13
Dec 18 09:33:48.529 INFO [stderr]     |
Dec 18 09:33:48.529 INFO [stderr] 328 |         let mut queue = node.content.get_set_mut().unwrap();
Dec 18 09:33:48.529 INFO [stderr]     |             ----^^^^^
Dec 18 09:33:48.529 INFO [stderr]     |             |
Dec 18 09:33:48.529 INFO [stderr]     |             help: remove this `mut`
Dec 18 09:33:48.529 INFO [stderr] 
Dec 18 09:33:48.743 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
Dec 18 09:33:48.743 INFO [stderr]    --> src/tree.rs:143:23
Dec 18 09:33:48.743 INFO [stderr]     |
Dec 18 09:33:48.743 INFO [stderr] 143 |         let dir = dir.trim_right_matches('/');
Dec 18 09:33:48.743 INFO [stderr]     |                       ^^^^^^^^^^^^^^^^^^
Dec 18 09:33:48.743 INFO [stderr]     |
Dec 18 09:33:48.743 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 18 09:33:48.743 INFO [stderr] 
Dec 18 09:33:49.053 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
Dec 18 09:33:49.053 INFO [stderr]    --> src/iterators.rs:352:55
Dec 18 09:33:49.053 INFO [stderr]     |
Dec 18 09:33:49.053 INFO [stderr] 352 |         let paths: Vec<&str> = paths.iter().map(|p| p.trim_right_matches('/')).collect();
Dec 18 09:33:49.053 INFO [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^
Dec 18 09:33:49.053 INFO [stderr] 
Dec 18 09:33:49.136 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 09:33:49.136 INFO [stderr]   --> src/errors.rs:4:1
Dec 18 09:33:49.136 INFO [stderr]    |
Dec 18 09:33:49.136 INFO [stderr] 4  | / error_chain! {
Dec 18 09:33:49.136 INFO [stderr] 5  | |     foreign_links {
Dec 18 09:33:49.136 INFO [stderr] 6  | |         Io(::std::io::Error) #[cfg(unix)];
Dec 18 09:33:49.136 INFO [stderr] 7  | |         MsgPackEncodeError(rmp_serde::encode::Error);
Dec 18 09:33:49.136 INFO [stderr] ...  |
Dec 18 09:33:49.136 INFO [stderr] 45 | |     }
Dec 18 09:33:49.136 INFO [stderr] 46 | | }
Dec 18 09:33:49.136 INFO [stderr]    | |_^
Dec 18 09:33:49.136 INFO [stderr]    |
Dec 18 09:33:49.136 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)
Dec 18 09:33:49.136 INFO [stderr] 
Dec 18 09:33:49.386 INFO [stderr] warning: variable does not need to be mutable
Dec 18 09:33:49.386 INFO [stderr]    --> src/tree.rs:268:14
Dec 18 09:33:49.386 INFO [stderr]     |
Dec 18 09:33:49.386 INFO [stderr] 268 |         let (mut queue, version, tree) = {
Dec 18 09:33:49.386 INFO [stderr]     |              ----^^^^^
Dec 18 09:33:49.386 INFO [stderr]     |              |
Dec 18 09:33:49.386 INFO [stderr]     |              help: remove this `mut`
Dec 18 09:33:49.386 INFO [stderr]     |
Dec 18 09:33:49.386 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 09:33:49.386 INFO [stderr] 
Dec 18 09:33:49.388 INFO [stderr] warning: variable does not need to be mutable
Dec 18 09:33:49.388 INFO [stderr]    --> src/tree.rs:282:14
Dec 18 09:33:49.388 INFO [stderr]     |
Dec 18 09:33:49.388 INFO [stderr] 282 |         let (mut queue, version, tree) = {
Dec 18 09:33:49.388 INFO [stderr]     |              ----^^^^^
Dec 18 09:33:49.388 INFO [stderr]     |              |
Dec 18 09:33:49.388 INFO [stderr]     |              help: remove this `mut`
Dec 18 09:33:49.388 INFO [stderr] 
Dec 18 09:33:49.396 INFO [stderr] warning: variable does not need to be mutable
Dec 18 09:33:49.396 INFO [stderr]    --> src/tree.rs:295:14
Dec 18 09:33:49.396 INFO [stderr]     |
Dec 18 09:33:49.396 INFO [stderr] 295 |         let (mut set, version, tree) = {
Dec 18 09:33:49.396 INFO [stderr]     |              ----^^^
Dec 18 09:33:49.396 INFO [stderr]     |              |
Dec 18 09:33:49.396 INFO [stderr]     |              help: remove this `mut`
Dec 18 09:33:49.396 INFO [stderr] 
Dec 18 09:33:49.396 INFO [stderr] warning: variable does not need to be mutable
Dec 18 09:33:49.396 INFO [stderr]    --> src/tree.rs:308:14
Dec 18 09:33:49.396 INFO [stderr]     |
Dec 18 09:33:49.396 INFO [stderr] 308 |         let (mut set, version, tree) = {
Dec 18 09:33:49.396 INFO [stderr]     |              ----^^^
Dec 18 09:33:49.396 INFO [stderr]     |              |
Dec 18 09:33:49.396 INFO [stderr]     |              help: remove this `mut`
Dec 18 09:33:49.396 INFO [stderr] 
Dec 18 09:33:49.396 INFO [stderr] warning: variable does not need to be mutable
Dec 18 09:33:49.396 INFO [stderr]    --> src/tree.rs:322:13
Dec 18 09:33:49.396 INFO [stderr]     |
Dec 18 09:33:49.396 INFO [stderr] 322 |         let mut queue = node.content.get_queue_mut().unwrap();
Dec 18 09:33:49.396 INFO [stderr]     |             ----^^^^^
Dec 18 09:33:49.396 INFO [stderr]     |             |
Dec 18 09:33:49.396 INFO [stderr]     |             help: remove this `mut`
Dec 18 09:33:49.396 INFO [stderr] 
Dec 18 09:33:49.396 INFO [stderr] warning: variable does not need to be mutable
Dec 18 09:33:49.396 INFO [stderr]    --> src/tree.rs:328:13
Dec 18 09:33:49.396 INFO [stderr]     |
Dec 18 09:33:49.396 INFO [stderr] 328 |         let mut queue = node.content.get_set_mut().unwrap();
Dec 18 09:33:49.396 INFO [stderr]     |             ----^^^^^
Dec 18 09:33:49.396 INFO [stderr]     |             |
Dec 18 09:33:49.396 INFO [stderr]     |             help: remove this `mut`
Dec 18 09:33:49.396 INFO [stderr] 
Dec 18 09:33:49.703 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.49s
Dec 18 09:33:49.968 INFO running `"docker" "inspect" "d4df0e1e5c8a48771b537028b604260eacdb77ef46759a666b27a351705d52ae"`
Dec 18 09:33:50.095 INFO running `"docker" "rm" "-f" "d4df0e1e5c8a48771b537028b604260eacdb77ef46759a666b27a351705d52ae"`
Dec 18 09:33:50.189 INFO [stdout] d4df0e1e5c8a48771b537028b604260eacdb77ef46759a666b27a351705d52ae