[INFO] cloning repository https://github.com/i80and/marian-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/i80and/marian-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi80and%2Fmarian-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi80and%2Fmarian-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c9ca328388902d35122b62cedeff984655c9bcd
[INFO] testing i80and/marian-rs against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi80and%2Fmarian-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/i80and/marian-rs on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0/source/Cargo.toml
[INFO] crate git repo https://github.com/i80and/marian-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41008b90c31eebb0ae92e74d1271f9dd544c33ffef0dec578e54d48a21cab4fd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "41008b90c31eebb0ae92e74d1271f9dd544c33ffef0dec578e54d48a21cab4fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41008b90c31eebb0ae92e74d1271f9dd544c33ffef0dec578e54d48a21cab4fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41008b90c31eebb0ae92e74d1271f9dd544c33ffef0dec578e54d48a21cab4fd", kill_on_drop: false }`
[INFO] [stdout] 41008b90c31eebb0ae92e74d1271f9dd544c33ffef0dec578e54d48a21cab4fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 109ce07fa2a446d277105aa48e50bba6dc7090050599e293959589f249adbf61
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "109ce07fa2a446d277105aa48e50bba6dc7090050599e293959589f249adbf61", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling futures v0.1.21
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling byteorder v1.2.2
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling smallvec v0.2.1
[INFO] [stderr]    Compiling take v0.1.0
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling httparse v1.2.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling constant_time_eq v0.1.3
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling serde v1.0.50
[INFO] [stderr]    Compiling arrayref v0.3.4
[INFO] [stderr]    Compiling same-file v1.0.2
[INFO] [stderr]    Compiling md5 v0.3.7
[INFO] [stderr]    Compiling smallvec v0.6.1
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling regex-syntax v0.6.0
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling base64 v0.9.1
[INFO] [stderr]    Compiling walkdir v2.1.4
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling rustc_version v0.2.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling qp-trie v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling bytes v0.4.7
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stdout] error[E0499]: cannot borrow `*self` as mutable more than once at a time
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/qp-trie-0.7.1/src/node.rs:502:41
[INFO] [stdout]     |
[INFO] [stdout] 479 |           &mut self,
[INFO] [stdout]     |           - let's call the lifetime of this reference `'1`
[INFO] [stdout] ...
[INFO] [stdout] 485 | /         match *self {
[INFO] [stdout] 486 | |             Node::Branch(ref mut branch) if branch.choice <= graft => {
[INFO] [stdout]     | |                          -------------- first mutable borrow occurs here
[INFO] [stdout] 487 | |                 let index = branch.index(key.borrow());
[INFO] [stdout] 488 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 502 | |                 let node = mem::replace(self, Node::Branch(Branch::new(graft)));
[INFO] [stdout]     | |                                         ^^^^ second mutable borrow occurs here
[INFO] [stdout] ...   |
[INFO] [stdout] 517 | |             }
[INFO] [stdout] 518 | |         }
[INFO] [stdout]     | |_________- returning this value requires that `self.0` is borrowed for `'1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rusoto_core v0.32.0
[INFO] [stdout] error[E0499]: cannot borrow `*self` as mutable more than once at a time
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/qp-trie-0.7.1/src/node.rs:505:45
[INFO] [stdout]     |
[INFO] [stdout] 479 |           &mut self,
[INFO] [stdout]     |           - let's call the lifetime of this reference `'1`
[INFO] [stdout] ...
[INFO] [stdout] 485 | /         match *self {
[INFO] [stdout] 486 | |             Node::Branch(ref mut branch) if branch.choice <= graft => {
[INFO] [stdout]     | |                          -------------- first mutable borrow occurs here
[INFO] [stdout] 487 | |                 let index = branch.index(key.borrow());
[INFO] [stdout] 488 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 505 | |                 let graft_branch = unsafe { self.unwrap_branch_mut() };
[INFO] [stdout]     | |                                             ^^^^^^^^^^^^^^^^^^^^^^^^ second mutable borrow occurs here
[INFO] [stdout] ...   |
[INFO] [stdout] 517 | |             }
[INFO] [stdout] 518 | |         }
[INFO] [stdout]     | |_________- returning this value requires that `self.0` is borrowed for `'1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0499`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `qp-trie` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "109ce07fa2a446d277105aa48e50bba6dc7090050599e293959589f249adbf61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "109ce07fa2a446d277105aa48e50bba6dc7090050599e293959589f249adbf61", kill_on_drop: false }`
[INFO] [stdout] 109ce07fa2a446d277105aa48e50bba6dc7090050599e293959589f249adbf61