[INFO] updating cached repository michaelsproul/household-power
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/michaelsproul/household-power
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/michaelsproul/household-power" "work/ex/beta-1.38-1/sources/1.37.0/gh/michaelsproul/household-power"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/michaelsproul/household-power'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/michaelsproul/household-power" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/michaelsproul/household-power"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/michaelsproul/household-power'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 98fabea8b7f3a0adad29be74d8d97fa3e4239308
[INFO] sha for GitHub repo michaelsproul/household-power: 98fabea8b7f3a0adad29be74d8d97fa3e4239308
[INFO] validating manifest of michaelsproul/household-power on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of michaelsproul/household-power on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing michaelsproul/household-power
[INFO] finished frobbing michaelsproul/household-power
[INFO] frobbed toml for michaelsproul/household-power written to work/ex/beta-1.38-1/sources/1.37.0/gh/michaelsproul/household-power/Cargo.toml
[INFO] started frobbing michaelsproul/household-power
[INFO] finished frobbing michaelsproul/household-power
[INFO] frobbed toml for michaelsproul/household-power written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/michaelsproul/household-power/Cargo.toml
[INFO] crate michaelsproul/household-power already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/michaelsproul/household-power/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/michaelsproul/festivus_client.git`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/michaelsproul/festivus_client.git`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "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 `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing michaelsproul/household-power against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/michaelsproul/household-power:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 6b040d5cb4924e685e9df7a5fa89cd0da06f81dc46e2c8c8bbdea2933928654a
[INFO] running `"docker" "start" "-a" "6b040d5cb4924e685e9df7a5fa89cd0da06f81dc46e2c8c8bbdea2933928654a"`
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling serial v0.4.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling festivus_client v0.1.0 (https://github.com/michaelsproul/festivus_client.git#47084c27)
[INFO] [stderr] error[E0432]: unresolved import `hyper::status`
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/festivus_client-f36635868a617160/47084c2/src/lib.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | use hyper::status::StatusCode;
[INFO] [stderr]   |            ^^^^^^ could not find `status` in `hyper`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `hyper::header::ContentType`
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/festivus_client-f36635868a617160/47084c2/src/lib.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use hyper::header::ContentType;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ no `ContentType` in `header`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `post` found for type `hyper::Client<hyper::client::HttpConnector>` in the current scope
[INFO] [stderr]   --> /opt/crater/cargo-home/git/checkouts/festivus_client-f36635868a617160/47084c2/src/lib.rs:42:20
[INFO] [stderr]    |
[INFO] [stderr] 42 |             client.post(&url).body(&body).header(ContentType::form_url_encoded()).send()
[INFO] [stderr]    |                    ^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `festivus_client`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6b040d5cb4924e685e9df7a5fa89cd0da06f81dc46e2c8c8bbdea2933928654a"`
[INFO] running `"docker" "rm" "-f" "6b040d5cb4924e685e9df7a5fa89cd0da06f81dc46e2c8c8bbdea2933928654a"`
[INFO] [stdout] 6b040d5cb4924e685e9df7a5fa89cd0da06f81dc46e2c8c8bbdea2933928654a