[INFO] updating cached repository https://github.com/agraven/amandag
[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] c0703894332de5aa28b9de11650cfecadefdb67e
[INFO] checking agraven/amandag against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagraven%2Famandag" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/agraven/amandag on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/agraven/amandag
[INFO] finished tweaking git repo https://github.com/agraven/amandag
[INFO] tweaked toml for git repo https://github.com/agraven/amandag written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/agraven/amandag already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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] e5d29613f4feefc6aeb9bee772df10fa2362d8d31db9a1756f42b1d76c8f713c
[INFO] running `"docker" "start" "-a" "e5d29613f4feefc6aeb9bee772df10fa2362d8d31db9a1756f42b1d76c8f713c"`
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking num-traits v0.2.10
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling gotham_derive v0.4.0
[INFO] [stderr]     Checking blowfish v0.4.0
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]     Checking bcrypt v0.4.0
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking tokio-rustls v0.9.4
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking quick-xml v0.14.0
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking rss v1.8.0
[INFO] [stderr]     Checking diesel v1.4.3
[INFO] [stderr]     Checking askama_shared v0.8.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking tokio-threadpool v0.1.17
[INFO] [stderr]    Compiling askama_derive v0.8.0
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]    Compiling borrow-bag v1.0.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking gotham v0.3.0
[INFO] [stderr]     Checking gotham v0.4.0
[INFO] [stderr]     Checking askama v0.8.0
[INFO] [stderr]     Checking mock-blog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/comment.rs:171:21
[INFO] [stderr]     |
[INFO] [stderr] 171 |             author: String::from("test_author"),
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     expected enum `std::option::Option`, found struct `std::string::String`
[INFO] [stderr]     |                     help: try using a variant of the expected enum: `serde::export::Some(String::from("test_author"))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected enum `std::option::Option<std::string::String>`
[INFO] [stderr]              found struct `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `mock-blog`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e5d29613f4feefc6aeb9bee772df10fa2362d8d31db9a1756f42b1d76c8f713c"`
[INFO] running `"docker" "rm" "-f" "e5d29613f4feefc6aeb9bee772df10fa2362d8d31db9a1756f42b1d76c8f713c"`
[INFO] [stdout] e5d29613f4feefc6aeb9bee772df10fa2362d8d31db9a1756f42b1d76c8f713c