[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 beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi80and%2Fmarian-rs" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/i80and/marian-rs on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-29/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" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24f2ac1998155b6097e4ec7d744bbc3c673971288086a8b92ecd16156b3ae524
[INFO] running `Command { std: "docker" "start" "-a" "24f2ac1998155b6097e4ec7d744bbc3c673971288086a8b92ecd16156b3ae524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24f2ac1998155b6097e4ec7d744bbc3c673971288086a8b92ecd16156b3ae524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24f2ac1998155b6097e4ec7d744bbc3c673971288086a8b92ecd16156b3ae524", kill_on_drop: false }`
[INFO] [stdout] 24f2ac1998155b6097e4ec7d744bbc3c673971288086a8b92ecd16156b3ae524
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e87fb5b97f9af129c9e4dfddb03e3e49c33e77b734f926240e3832232ba95ba5
[INFO] running `Command { std: "docker" "start" "-a" "e87fb5b97f9af129c9e4dfddb03e3e49c33e77b734f926240e3832232ba95ba5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling cfg-if v0.1.3
[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 lazycell v0.6.0
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.11
[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 num-traits v0.2.4
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling smallvec v0.2.1
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling take v0.1.0
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling httparse v1.2.4
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling arrayref v0.3.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling serde v1.0.50
[INFO] [stderr]    Compiling constant_time_eq v0.1.3
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling regex v1.0.0
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling md5 v0.3.7
[INFO] [stderr]    Compiling same-file v1.0.2
[INFO] [stderr]    Compiling smallvec v0.6.1
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling regex-syntax v0.6.0
[INFO] [stderr]    Compiling rustc_version v0.2.2
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling debug_unreachable v0.1.1
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling qp-trie v0.7.1
[INFO] [stderr]    Compiling base64 v0.9.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling digest v0.7.2
[INFO] [stderr]    Compiling crypto-mac v0.5.2
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling walkdir v2.1.4
[INFO] [stderr]    Compiling rusoto_core v0.32.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling hmac v0.5.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.1
[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] [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] [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" "e87fb5b97f9af129c9e4dfddb03e3e49c33e77b734f926240e3832232ba95ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e87fb5b97f9af129c9e4dfddb03e3e49c33e77b734f926240e3832232ba95ba5", kill_on_drop: false }`
[INFO] [stdout] e87fb5b97f9af129c9e4dfddb03e3e49c33e77b734f926240e3832232ba95ba5