[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] [stderr] From https://github.com/agraven/amandag
[INFO] [stderr]    0a6843d..5382588  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5382588353d084ce9cc85fab5af7456371026257
[INFO] checking agraven/amandag against master#212aa3ea28d91a97d1e1261709c0b6e6790788e6 for pr-69340
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagraven%2Famandag" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/agraven/amandag on toolchain 212aa3ea28d91a97d1e1261709c0b6e6790788e6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "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-0/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" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bae29974bf98e02910e7db4ab0e3ce23f5797a7f169c47ad0d9d9d31e89b153e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "bae29974bf98e02910e7db4ab0e3ce23f5797a7f169c47ad0d9d9d31e89b153e"`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking quick-xml v0.17.2
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]    Compiling backtrace v0.3.43
[INFO] [stderr]     Checking blowfish v0.4.0
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling nom v5.1.0
[INFO] [stderr]     Checking bcrypt v0.6.1
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]    Compiling gotham_derive v0.4.0
[INFO] [stderr]     Checking tokio-rustls v0.9.4
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[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]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking rss v1.9.0
[INFO] [stderr]     Checking serde_json v1.0.47
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking diesel v1.4.3
[INFO] [stderr]     Checking askama_shared v0.9.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[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]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]    Compiling askama_derive v0.9.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling borrow-bag v1.0.0
[INFO] [stderr]     Checking gotham v0.4.0
[INFO] [stderr]     Checking askama v0.9.0
[INFO] [stderr]     Checking mock-blog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/comment.rs:200:21
[INFO] [stderr]     |
[INFO] [stderr] 200 |             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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "bae29974bf98e02910e7db4ab0e3ce23f5797a7f169c47ad0d9d9d31e89b153e"`
[INFO] running `"docker" "rm" "-f" "bae29974bf98e02910e7db4ab0e3ce23f5797a7f169c47ad0d9d9d31e89b153e"`
[INFO] [stdout] bae29974bf98e02910e7db4ab0e3ce23f5797a7f169c47ad0d9d9d31e89b153e