[INFO] cloning repository https://github.com/puma3/distributed_recommender
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/puma3/distributed_recommender" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuma3%2Fdistributed_recommender", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuma3%2Fdistributed_recommender'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be19d7076799e93846adcd6256be68413fc7e165
[INFO] testing puma3/distributed_recommender against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuma3%2Fdistributed_recommender" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/puma3/distributed_recommender on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/puma3/distributed_recommender
[INFO] finished tweaking git repo https://github.com/puma3/distributed_recommender
[INFO] tweaked toml for git repo https://github.com/puma3/distributed_recommender written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/puma3/distributed_recommender already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.21
[INFO] [stderr]   Downloaded getopts v0.2.15
[INFO] [stderr]   Downloaded timely_sort v0.1.6
[INFO] [stderr]   Downloaded csv-core v0.1.3
[INFO] [stderr]   Downloaded serde v1.0.21
[INFO] [stderr]   Downloaded csv v1.0.0-beta.5
[INFO] [stderr]   Downloaded timely_communication v0.1.8
[INFO] [stderr]   Downloaded abomonation v0.4.6
[INFO] [stderr]   Downloaded serde_derive_internals v0.17.0
[INFO] [stderr]   Downloaded timely v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb91ff1d13cfd8d99790ab04c9f8b0e9265e13b0184590b72d6ec7e372b6abd4
[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" "eb91ff1d13cfd8d99790ab04c9f8b0e9265e13b0184590b72d6ec7e372b6abd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb91ff1d13cfd8d99790ab04c9f8b0e9265e13b0184590b72d6ec7e372b6abd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb91ff1d13cfd8d99790ab04c9f8b0e9265e13b0184590b72d6ec7e372b6abd4", kill_on_drop: false }`
[INFO] [stdout] eb91ff1d13cfd8d99790ab04c9f8b0e9265e13b0184590b72d6ec7e372b6abd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 35cc911e05400bdbe4afabe3cc96a568bbffd5a29ce56df9acfede7e01d530c1
[INFO] running `Command { std: "docker" "start" "-a" "35cc911e05400bdbe4afabe3cc96a568bbffd5a29ce56df9acfede7e01d530c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling byteorder v0.4.2
[INFO] [stderr]    Compiling serde v1.0.21
[INFO] [stderr]    Compiling abomonation v0.4.6
[INFO] [stderr]    Compiling getopts v0.2.15
[INFO] [stderr]    Compiling utilities v0.1.0 (/opt/rustwide/workdir/libs/utilities)
[INFO] [stderr]    Compiling timely_sort v0.1.6
[INFO] [stderr]    Compiling distance v0.1.0 (/opt/rustwide/workdir/libs/distance)
[INFO] [stderr]    Compiling serde_derive v1.0.21
[INFO] [stderr]    Compiling csv-core v0.1.3
[INFO] [stdout] error[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.15/src/lib.rs:1033:33
[INFO] [stdout]      |
[INFO] [stdout] 978  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stdout]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stdout] ...
[INFO] [stdout] 982  |         state = match (state, whitespace, limit) {
[INFO] [stdout]      |         ----- borrow occurs due to use of `state` in closure
[INFO] [stdout] ...
[INFO] [stdout] 1033 |     while cont && match state { B | C => true, A => false } {
[INFO] [stdout]      |                                 ^ use of borrowed `state`
[INFO] [stdout] 1034 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stdout]      |         ------- borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0503`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `getopts` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "35cc911e05400bdbe4afabe3cc96a568bbffd5a29ce56df9acfede7e01d530c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35cc911e05400bdbe4afabe3cc96a568bbffd5a29ce56df9acfede7e01d530c1", kill_on_drop: false }`
[INFO] [stdout] 35cc911e05400bdbe4afabe3cc96a568bbffd5a29ce56df9acfede7e01d530c1