[INFO] cloning repository https://github.com/BMeu/rust-dd-connectedcomponents
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BMeu/rust-dd-connectedcomponents" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBMeu%2Frust-dd-connectedcomponents", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBMeu%2Frust-dd-connectedcomponents'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 542f1dc7a12d866e361d37cceeffc20c3ff6bcbe
[INFO] testing BMeu/rust-dd-connectedcomponents against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBMeu%2Frust-dd-connectedcomponents" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BMeu/rust-dd-connectedcomponents on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BMeu/rust-dd-connectedcomponents
[INFO] finished tweaking git repo https://github.com/BMeu/rust-dd-connectedcomponents
[INFO] tweaked toml for git repo https://github.com/BMeu/rust-dd-connectedcomponents written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/BMeu/rust-dd-connectedcomponents already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/frankmcsherry/differential-dataflow.git`
[INFO] [stderr]     Updating git repository `https://github.com/frankmcsherry/graph-map.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-iter v0.1.32
[INFO] [stderr]   Downloaded rand v0.3.15
[INFO] [stderr]   Downloaded num-bigint v0.1.35
[INFO] [stderr]   Downloaded tempdir v0.3.5
[INFO] [stderr]   Downloaded itertools v0.4.19
[INFO] [stderr]   Downloaded libc v0.1.12
[INFO] [stderr]   Downloaded linear-map v0.0.4
[INFO] [stderr]   Downloaded num v0.1.36
[INFO] [stderr]   Downloaded fnv v1.0.5
[INFO] [stderr]   Downloaded vec_map v0.6.0
[INFO] [stderr]   Downloaded mmap v0.1.1
[INFO] [stderr]   Downloaded rustc-serialize v0.3.22
[INFO] [stderr]   Downloaded num-traits v0.1.36
[INFO] [stderr]   Downloaded num-complex v0.1.35
[INFO] [stderr]   Downloaded num-integer v0.1.32
[INFO] [stderr]   Downloaded num-rational v0.1.35
[INFO] [stderr]   Downloaded time v0.1.35
[INFO] [stderr]   Downloaded stopwatch v0.0.7
[INFO] [stderr]   Downloaded byteorder v0.4.2
[INFO] [stderr]   Downloaded getopts v0.2.14
[INFO] [stderr]   Downloaded libc v0.2.19
[INFO] [stderr]   Downloaded timely_sort v0.1.3
[INFO] [stderr]   Downloaded timely_communication v0.1.5
[INFO] [stderr]   Downloaded abomonation v0.4.4
[INFO] [stderr]   Downloaded timely v0.1.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d2cecfabeae09afca8bbc7c755b177ce534cdabe0365bd8dd75602e2ae8ed59
[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" "8d2cecfabeae09afca8bbc7c755b177ce534cdabe0365bd8dd75602e2ae8ed59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d2cecfabeae09afca8bbc7c755b177ce534cdabe0365bd8dd75602e2ae8ed59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d2cecfabeae09afca8bbc7c755b177ce534cdabe0365bd8dd75602e2ae8ed59", kill_on_drop: false }`
[INFO] [stdout] 8d2cecfabeae09afca8bbc7c755b177ce534cdabe0365bd8dd75602e2ae8ed59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c5658ba7535086553247d2583733885aa8ffc01ef64e685f5498b12e2d56f60
[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" "0c5658ba7535086553247d2583733885aa8ffc01ef64e685f5498b12e2d56f60", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.19
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling getopts v0.2.14
[INFO] [stderr]    Compiling abomonation v0.4.4
[INFO] [stderr]    Compiling timely_sort v0.1.3
[INFO] [stderr]    Compiling fnv v1.0.5
[INFO] [stderr]    Compiling linear-map v0.0.4
[INFO] [stdout] error[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.14/src/lib.rs:1008:33
[INFO] [stdout]      |
[INFO] [stdout] 955  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stdout]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stdout] ...
[INFO] [stdout] 959  |         state = match (state, whitespace, limit) {
[INFO] [stdout]      |                        ----- borrow occurs due to use of `state` in closure
[INFO] [stdout] ...
[INFO] [stdout] 1008 |     while cont && match state { B | C => true, A => false } {
[INFO] [stdout]      |                                 ^ use of borrowed `state`
[INFO] [stdout] 1009 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stdout]      |         ------- borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `getopts`
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] For more information about this error, try `rustc --explain E0503`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0c5658ba7535086553247d2583733885aa8ffc01ef64e685f5498b12e2d56f60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c5658ba7535086553247d2583733885aa8ffc01ef64e685f5498b12e2d56f60", kill_on_drop: false }`
[INFO] [stdout] 0c5658ba7535086553247d2583733885aa8ffc01ef64e685f5498b12e2d56f60