[INFO] crate jsonrpc-v2 0.2.1 is already in cache
[INFO] extracting crate jsonrpc-v2 0.2.1 into work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/reg/jsonrpc-v2/0.2.1
[INFO] extracting crate jsonrpc-v2 0.2.1 into work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/reg/jsonrpc-v2/0.2.1
[INFO] validating manifest of jsonrpc-v2-0.2.1 on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jsonrpc-v2-0.2.1 on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jsonrpc-v2-0.2.1
[INFO] finished frobbing jsonrpc-v2-0.2.1
[INFO] frobbed toml for jsonrpc-v2-0.2.1 written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/reg/jsonrpc-v2/0.2.1/Cargo.toml
[INFO] started frobbing jsonrpc-v2-0.2.1
[INFO] finished frobbing jsonrpc-v2-0.2.1
[INFO] frobbed toml for jsonrpc-v2-0.2.1 written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/reg/jsonrpc-v2/0.2.1/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jsonrpc-v2-0.2.1 against try#42445ded8fd34235a676755cb5d079658ed51f6a for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-3/try#42445ded8fd34235a676755cb5d079658ed51f6a:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/reg/jsonrpc-v2/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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=forbid" "-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" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a9e9025d74ea06b735d8855add199e33b39501bc951fe4744165819f74d20900
[INFO] running `"docker" "start" "-a" "a9e9025d74ea06b735d8855add199e33b39501bc951fe4744165819f74d20900"`
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking erased-serde v0.3.9
[INFO] [stderr]     Checking actix-web v0.7.19
[INFO] [stderr]     Checking jsonrpc-v2 v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `futures::future::IntoFuture`
[INFO] [stderr]  --> examples/simple.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use futures::future::IntoFuture;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `{integer}: jsonrpc_v2::ErrorLike` is not satisfied
[INFO] [stderr]   --> examples/simple.rs:24:77
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn forty_two(_params: Params<()>, ctx: ()) -> Result<usize, Error> { Err(42.into()) }
[INFO] [stderr]    |                                                                             ^^^^ the trait `jsonrpc_v2::ErrorLike` is not implemented for `{integer}`
[INFO] [stderr]    |
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::convert::From<{integer}>` for `jsonrpc_v2::Error`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::convert::Into<jsonrpc_v2::Error>` for `{integer}`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `actix::prelude`
[INFO] [stderr]  --> examples/simple.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use actix::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `jsonrpc-v2`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a9e9025d74ea06b735d8855add199e33b39501bc951fe4744165819f74d20900"`
[INFO] running `"docker" "rm" "-f" "a9e9025d74ea06b735d8855add199e33b39501bc951fe4744165819f74d20900"`
[INFO] [stdout] a9e9025d74ea06b735d8855add199e33b39501bc951fe4744165819f74d20900