[INFO] updating cached repository https://github.com/i80and/marian-rs [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 1c9ca328388902d35122b62cedeff984655c9bcd [INFO] checking i80and/marian-rs against beta-2019-10-27 for pr-65897 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi80and%2Fmarian-rs" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/i80and/marian-rs on toolchain beta-2019-10-27 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/i80and/marian-rs [INFO] finished tweaking git repo https://github.com/i80and/marian-rs [INFO] tweaked toml for git repo https://github.com/i80and/marian-rs written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/i80and/marian-rs already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ad636d5964c05af85b8ae219f7cd0098ccdf5704a62fef6b880e37c3a731d51d [INFO] running `"docker" "start" "-a" "ad636d5964c05af85b8ae219f7cd0098ccdf5704a62fef6b880e37c3a731d51d"` [INFO] [stderr] Checking arrayref v0.3.4 [INFO] [stderr] Checking serde v1.0.50 [INFO] [stderr] Checking net2 v0.2.32 [INFO] [stderr] Compiling brotli-sys v0.3.2 [INFO] [stderr] Compiling openssl-sys v0.9.30 [INFO] [stderr] Compiling num-traits v0.2.4 [INFO] [stderr] Checking base64 v0.9.1 [INFO] [stderr] Checking xml-rs v0.7.0 [INFO] [stderr] Checking bytes v0.4.7 [INFO] [stderr] Checking tokio-timer v0.2.3 [INFO] [stderr] Checking simple-logging v2.0.1 [INFO] [stderr] Checking crossbeam-epoch v0.4.1 [INFO] [stderr] Checking block-buffer v0.3.3 [INFO] [stderr] Checking mio v0.6.14 [INFO] [stderr] Checking regex v0.2.11 [INFO] [stderr] Checking qp-trie v0.7.1 [INFO] [stderr] Compiling rusoto_core v0.32.0 [INFO] [stderr] Compiling syn v0.13.7 [INFO] [stderr] Checking tokio-io v0.1.6 [INFO] [stderr] error[E0499]: cannot borrow `*self` as mutable more than once at a time [INFO] [stderr] --> /opt/rustwide/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] error[E0499]: cannot borrow `*self` as mutable more than once at a time [INFO] [stderr] --> /opt/rustwide/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] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0499`. [INFO] [stderr] error: could not compile `qp-trie`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "ad636d5964c05af85b8ae219f7cd0098ccdf5704a62fef6b880e37c3a731d51d"` [INFO] running `"docker" "rm" "-f" "ad636d5964c05af85b8ae219f7cd0098ccdf5704a62fef6b880e37c3a731d51d"` [INFO] [stdout] ad636d5964c05af85b8ae219f7cd0098ccdf5704a62fef6b880e37c3a731d51d