[INFO] updating cached repository https://github.com/teddywing/kipper
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4f7c22a6ddf98a483946c1994d203747b00b51cc
[INFO] checking teddywing/kipper against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteddywing%2Fkipper" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/teddywing/kipper on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/teddywing/kipper
[INFO] finished tweaking git repo https://github.com/teddywing/kipper
[INFO] tweaked toml for git repo https://github.com/teddywing/kipper written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/teddywing/kipper already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eadb4363187256dd56a133091f0fd818dcf4342936c4d4f53fae471e2279429e
[INFO] running `"docker" "start" "-a" "eadb4363187256dd56a133091f0fd818dcf4342936c4d4f53fae471e2279429e"`
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking futures v0.1.17
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking lazycell v0.5.1
[INFO] [stderr]     Checking percent-encoding v1.0.0
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]    Compiling openssl v0.9.20
[INFO] [stderr]     Checking foreign-types v0.2.0
[INFO] [stderr]    Compiling build_const v0.2.0
[INFO] [stderr]    Compiling crc-core v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking serde v1.0.19
[INFO] [stderr]     Checking httparse v1.2.3
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking json v0.11.10
[INFO] [stderr]     Checking getopts v0.2.15
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr] error[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.15/src/lib.rs:1033:33
[INFO] [stderr]      |
[INFO] [stderr] 978  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stderr]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 982  |         state = match (state, whitespace, limit) {
[INFO] [stderr]      |                        ----- borrow occurs due to use of `state` in closure
[INFO] [stderr] ...
[INFO] [stderr] 1033 |     while cont && match state { B | C => true, A => false } {
[INFO] [stderr]      |                                 ^ use of borrowed `state`
[INFO] [stderr] 1034 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stderr]      |         ------- borrow later used here
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0503`.
[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 `"docker" "inspect" "eadb4363187256dd56a133091f0fd818dcf4342936c4d4f53fae471e2279429e"`
[INFO] running `"docker" "rm" "-f" "eadb4363187256dd56a133091f0fd818dcf4342936c4d4f53fae471e2279429e"`
[INFO] [stdout] eadb4363187256dd56a133091f0fd818dcf4342936c4d4f53fae471e2279429e