[INFO] updating cached repository i80and/marian-rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/i80and/marian-rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/i80and/marian-rs" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/i80and/marian-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/i80and/marian-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/i80and/marian-rs" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/i80and/marian-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/i80and/marian-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 1c9ca328388902d35122b62cedeff984655c9bcd [INFO] sha for GitHub repo i80and/marian-rs: 1c9ca328388902d35122b62cedeff984655c9bcd [INFO] validating manifest of i80and/marian-rs on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of i80and/marian-rs on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing i80and/marian-rs [INFO] finished frobbing i80and/marian-rs [INFO] frobbed toml for i80and/marian-rs written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/i80and/marian-rs/Cargo.toml [INFO] started frobbing i80and/marian-rs [INFO] finished frobbing i80and/marian-rs [INFO] frobbed toml for i80and/marian-rs written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/i80and/marian-rs/Cargo.toml [INFO] crate i80and/marian-rs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking i80and/marian-rs against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-3/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/i80and/marian-rs:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] c3c01341d53fa1ab6308b316acc7ceaa22180bb6dfabef5706466c522ef1caf4 [INFO] running `"docker" "start" "-a" "c3c01341d53fa1ab6308b316acc7ceaa22180bb6dfabef5706466c522ef1caf4"` [INFO] [stderr] Checking serde v1.0.50 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Checking tokio-io v0.1.6 [INFO] [stderr] Compiling rusoto_core v0.32.0 [INFO] [stderr] Checking regex v0.2.11 [INFO] [stderr] Checking qp-trie v0.7.1 [INFO] [stderr] Checking tokio-threadpool v0.1.3 [INFO] [stderr] Checking chrono v0.4.2 [INFO] [stderr] Compiling serde_derive v1.0.50 [INFO] [stderr] Checking simple-logging v2.0.1 [INFO] [stderr] Checking sha2 v0.7.1 [INFO] [stderr] Checking tokio-reactor v0.1.1 [INFO] [stderr] warning[E0499]: cannot borrow `*self` as mutable more than once at a time [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/qp-trie-0.7.1/src/node.rs:502:41 [INFO] [stderr] | [INFO] [stderr] 479 | &mut self, [INFO] [stderr] | - let's call the lifetime of this reference `'1` [INFO] [stderr] ... [INFO] [stderr] 485 | / match *self { [INFO] [stderr] 486 | | Node::Branch(ref mut branch) if branch.choice <= graft => { [INFO] [stderr] | | -------------- first mutable borrow occurs here [INFO] [stderr] 487 | | let index = branch.index(key.borrow()); [INFO] [stderr] 488 | | [INFO] [stderr] ... | [INFO] [stderr] 502 | | let node = mem::replace(self, Node::Branch(Branch::new(graft))); [INFO] [stderr] | | ^^^^ second mutable borrow occurs here [INFO] [stderr] ... | [INFO] [stderr] 517 | | } [INFO] [stderr] 518 | | } [INFO] [stderr] | |_________- returning this value requires that `self.0` is borrowed for `'1` [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] [INFO] [stderr] warning[E0499]: cannot borrow `*self` as mutable more than once at a time [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/qp-trie-0.7.1/src/node.rs:505:45 [INFO] [stderr] | [INFO] [stderr] 479 | &mut self, [INFO] [stderr] | - let's call the lifetime of this reference `'1` [INFO] [stderr] ... [INFO] [stderr] 485 | / match *self { [INFO] [stderr] 486 | | Node::Branch(ref mut branch) if branch.choice <= graft => { [INFO] [stderr] | | -------------- first mutable borrow occurs here [INFO] [stderr] 487 | | let index = branch.index(key.borrow()); [INFO] [stderr] 488 | | [INFO] [stderr] ... | [INFO] [stderr] 505 | | let graft_branch = unsafe { self.unwrap_branch_mut() }; [INFO] [stderr] | | ^^^^ second mutable borrow occurs here [INFO] [stderr] ... | [INFO] [stderr] 517 | | } [INFO] [stderr] 518 | | } [INFO] [stderr] | |_________- returning this value requires that `self.0` is borrowed for `'1` [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] [INFO] [stderr] Checking tokio-fs v0.1.0 [INFO] [stderr] Checking tokio-udp v0.1.0 [INFO] [stderr] Checking tokio-tcp v0.1.0 [INFO] [stderr] Checking tokio v0.1.6 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking tokio-tls v0.1.4 [INFO] [stderr] Checking hyper v0.11.26 [INFO] [stderr] Checking serde_json v1.0.17 [INFO] [stderr] Checking hyper-tls v0.1.3 [INFO] [stderr] Checking rusoto_credential v0.11.0 [INFO] [stderr] Checking rusoto_s3 v0.32.0 [INFO] [stderr] Checking marian-rust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/fts.rs:378:17 [INFO] [stderr] | [INFO] [stderr] 378 | let mut authority_score = authority_scores.get_mut(&search_match._id).unwrap(); [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/fts.rs:546:17 [INFO] [stderr] | [INFO] [stderr] 546 | let mut incoming_links = self [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/fts.rs:594:21 [INFO] [stderr] | [INFO] [stderr] 594 | let mut index_entry = self [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/fts.rs:655:17 [INFO] [stderr] | [INFO] [stderr] 655 | let mut outgoing_neighbors: Vec<_> = outgoing_neighbors_set.drain().cloned().collect(); [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/fts.rs:378:17 [INFO] [stderr] | [INFO] [stderr] 378 | let mut authority_score = authority_scores.get_mut(&search_match._id).unwrap(); [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/fts.rs:546:17 [INFO] [stderr] | [INFO] [stderr] 546 | let mut incoming_links = self [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/fts.rs:594:21 [INFO] [stderr] | [INFO] [stderr] 594 | let mut index_entry = self [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/fts.rs:655:17 [INFO] [stderr] | [INFO] [stderr] 655 | let mut outgoing_neighbors: Vec<_> = outgoing_neighbors_set.drain().cloned().collect(); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 46.07s [INFO] running `"docker" "inspect" "c3c01341d53fa1ab6308b316acc7ceaa22180bb6dfabef5706466c522ef1caf4"` [INFO] running `"docker" "rm" "-f" "c3c01341d53fa1ab6308b316acc7ceaa22180bb6dfabef5706466c522ef1caf4"` [INFO] [stdout] c3c01341d53fa1ab6308b316acc7ceaa22180bb6dfabef5706466c522ef1caf4