[INFO] updating cached repository https://github.com/shhac/env-gen
[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] 043da9bc420448cba3d6b26c62c76d7d2efa9d0e
[INFO] testing shhac/env-gen against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshhac%2Fenv-gen" "/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/shhac/env-gen on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/shhac/env-gen
[INFO] finished tweaking git repo https://github.com/shhac/env-gen
[INFO] tweaked toml for git repo https://github.com/shhac/env-gen written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/shhac/env-gen already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b80db618295c3d0fc3e4c5dc69f698ec36cf585cbe0d38d1c05d33a58829a0aa
[INFO] running `"docker" "start" "-a" "b80db618295c3d0fc3e4c5dc69f698ec36cf585cbe0d38d1c05d33a58829a0aa"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clicolors-control v1.0.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling console v0.7.5
[INFO] [stderr]    Compiling dialoguer v0.3.0
[INFO] [stderr]    Compiling env-gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `super::question`
[INFO] [stderr]  --> src/ask.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use super::question;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^ no `question` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `super::question`
[INFO] [stderr]  --> src/yaml.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use super::question;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^ no `question` in the root
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]   --> src/yaml.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     for (a) in v["answers"] {
[INFO] [stderr]    |         ^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `&yaml::yaml_rust::Yaml` is not an iterator
[INFO] [stderr]   --> src/yaml.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 |   for (k, v) in doc {
[INFO] [stderr]    |                 ^^^ `&yaml::yaml_rust::Yaml` is not an iterator
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::iter::Iterator` is not implemented for `&yaml::yaml_rust::Yaml`
[INFO] [stderr]    = note: required by `std::iter::IntoIterator::into_iter`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/yaml.rs:54:25
[INFO] [stderr]    |
[INFO] [stderr] 54 |   return dump_questions(&y);
[INFO] [stderr]    |                         ^^ expected enum `yaml::yaml_rust::Yaml`, found struct `std::vec::Vec`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected reference `&yaml::yaml_rust::Yaml`
[INFO] [stderr]               found reference `&std::vec::Vec<yaml::yaml_rust::Yaml>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0308, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `env-gen`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b80db618295c3d0fc3e4c5dc69f698ec36cf585cbe0d38d1c05d33a58829a0aa"`
[INFO] running `"docker" "rm" "-f" "b80db618295c3d0fc3e4c5dc69f698ec36cf585cbe0d38d1c05d33a58829a0aa"`
[INFO] [stdout] b80db618295c3d0fc3e4c5dc69f698ec36cf585cbe0d38d1c05d33a58829a0aa