[INFO] updating cached repository getsentry/piinguin
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/getsentry/piinguin
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/getsentry/piinguin" "work/ex/beta-1.38-1/sources/1.37.0/gh/getsentry/piinguin"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/getsentry/piinguin'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/getsentry/piinguin" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/getsentry/piinguin"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/getsentry/piinguin'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fc51f80fe44339326b966bc91429a4284e72572d
[INFO] sha for GitHub repo getsentry/piinguin: fc51f80fe44339326b966bc91429a4284e72572d
[INFO] validating manifest of getsentry/piinguin 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 getsentry/piinguin 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 getsentry/piinguin
[INFO] finished frobbing getsentry/piinguin
[INFO] frobbed toml for getsentry/piinguin written to work/ex/beta-1.38-1/sources/1.37.0/gh/getsentry/piinguin/Cargo.toml
[INFO] started frobbing getsentry/piinguin
[INFO] finished frobbing getsentry/piinguin
[INFO] frobbed toml for getsentry/piinguin written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/getsentry/piinguin/Cargo.toml
[INFO] crate getsentry/piinguin 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing getsentry/piinguin against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/getsentry/piinguin:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 37b304c3f72fec26c3fbe58d81298ef5ed82ea5fe9f3618f87e62d4f6b2e778d
[INFO] running `"docker" "start" "-a" "37b304c3f72fec26c3fbe58d81298ef5ed82ea5fe9f3618f87e62d4f6b2e778d"`
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]    Compiling rmp v0.8.7
[INFO] [stderr]    Compiling http v0.1.14
[INFO] [stderr]    Compiling sha-1 v0.8.1
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling cookie v0.11.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling semaphore-general-derive v0.3.5 (https://github.com/getsentry/semaphore#b6d518ac)
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.34
[INFO] [stderr]    Compiling uuid v0.7.1
[INFO] [stderr]    Compiling serde_urlencoded v0.5.4
[INFO] [stderr]    Compiling rmp-serde v0.13.7
[INFO] [stderr]    Compiling serde_yaml v0.8.8
[INFO] [stderr]    Compiling smallvec v0.6.7
[INFO] [stderr]    Compiling serde_cbor v0.9.0
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]    Compiling maxminddb v0.12.0
[INFO] [stderr]    Compiling debugid v0.3.1
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.5
[INFO] [stderr]    Compiling semaphore-general v0.3.5 (https://github.com/getsentry/semaphore#b6d518ac)
[INFO] [stderr]    Compiling stdweb v0.4.13
[INFO] [stderr]    Compiling yew v0.5.0 (https://github.com/DenisKolodin/yew#886e63da)
[INFO] [stderr]    Compiling piinguin v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0599]: no variant or associated item named `Null` found for type `semaphore_general::types::Value` in the current scope
[INFO] [stderr]    --> src/main.rs:394:26
[INFO] [stderr]     |
[INFO] [stderr] 394 |             Some(&Value::Null) => {
[INFO] [stderr]     |                          ^^^^ variant or associated item not found in `semaphore_general::types::Value`
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 3 parameters but 2 parameters were supplied
[INFO] [stderr]    --> src/main.rs:349:53
[INFO] [stderr]     |
[INFO] [stderr] 349 |                             let inner_state = state.enter_borrowed(k, state.inner_attrs());
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^ expected 3 parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 3 parameters but 2 parameters were supplied
[INFO] [stderr]    --> src/main.rs:370:53
[INFO] [stderr]     |
[INFO] [stderr] 370 |                             let inner_state = state.enter_index(i, state.inner_attrs());
[INFO] [stderr]     |                                                     ^^^^^^^^^^^ expected 3 parameters
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0061, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0061`.
[INFO] [stderr] error: Could not compile `piinguin`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "37b304c3f72fec26c3fbe58d81298ef5ed82ea5fe9f3618f87e62d4f6b2e778d"`
[INFO] running `"docker" "rm" "-f" "37b304c3f72fec26c3fbe58d81298ef5ed82ea5fe9f3618f87e62d4f6b2e778d"`
[INFO] [stdout] 37b304c3f72fec26c3fbe58d81298ef5ed82ea5fe9f3618f87e62d4f6b2e778d