[INFO] cloning repository https://github.com/tbehner/frust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tbehner/frust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftbehner%2Ffrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftbehner%2Ffrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b6ed50475d779b0a6f157e1a52b421f0f3a2d79
[INFO] documenting tbehner/frust against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftbehner%2Ffrust" "/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/tbehner/frust on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tbehner/frust
[INFO] finished tweaking git repo https://github.com/tbehner/frust
[INFO] tweaked toml for git repo https://github.com/tbehner/frust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/tbehner/frust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc181e8f59b8c805ea141c43529053c75596551241dd9f36df2957b00fc5a850
[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" "cc181e8f59b8c805ea141c43529053c75596551241dd9f36df2957b00fc5a850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc181e8f59b8c805ea141c43529053c75596551241dd9f36df2957b00fc5a850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc181e8f59b8c805ea141c43529053c75596551241dd9f36df2957b00fc5a850", kill_on_drop: false }`
[INFO] [stdout] cc181e8f59b8c805ea141c43529053c75596551241dd9f36df2957b00fc5a850
[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" "RUSTDOCFLAGS=--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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 791a3c1029592e591d4b03eba08a318604c053e70ccc8b24c223c644b1b096c0
[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" "791a3c1029592e591d4b03eba08a318604c053e70ccc8b24c223c644b1b096c0", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling getopts v0.2.14
[INFO] [stderr]     Checking lazy_static v0.2.5
[INFO] [stderr]     Checking serde v1.0.7
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking term_size v0.2.3
[INFO] [stderr]     Checking termion v1.3.0
[INFO] [stderr]     Checking mime v0.2.3
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.7
[INFO] [stderr]     Checking phf_shared v0.7.21
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]     Checking colored v1.5.1
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking clap v2.22.1
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking phf v0.7.21
[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] [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] [stdout] error: aborting due to previous error
[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] [stdout] For more information about this error, try `rustc --explain E0503`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `getopts`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "791a3c1029592e591d4b03eba08a318604c053e70ccc8b24c223c644b1b096c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "791a3c1029592e591d4b03eba08a318604c053e70ccc8b24c223c644b1b096c0", kill_on_drop: false }`
[INFO] [stdout] 791a3c1029592e591d4b03eba08a318604c053e70ccc8b24c223c644b1b096c0