[INFO] crate slack 0.22.0 is already in cache
[INFO] extracting crate slack 0.22.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/slack/0.22.0
[INFO] extracting crate slack 0.22.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/slack/0.22.0
[INFO] validating manifest of slack-0.22.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of slack-0.22.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing slack-0.22.0
[INFO] finished frobbing slack-0.22.0
[INFO] frobbed toml for slack-0.22.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/slack/0.22.0/Cargo.toml
[INFO] started frobbing slack-0.22.0
[INFO] finished frobbing slack-0.22.0
[INFO] frobbed toml for slack-0.22.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/slack/0.22.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing slack-0.22.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/slack/0.22.0:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 36b400ec6309af4da421844d6b7291c8cf1e99cc445e47d9f5f764a693703da6
[INFO] running `"docker" "start" "-a" "36b400ec6309af4da421844d6b7291c8cf1e99cc445e47d9f5f764a693703da6"`
[INFO] [stderr]    Compiling tungstenite v0.6.1
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling reqwest v0.9.19
[INFO] [stderr]    Compiling slack_api v0.21.0
[INFO] [stderr]    Compiling slack v0.22.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:112:32
[INFO] [stderr]     |
[INFO] [stderr] 112 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.13s
[INFO] running `"docker" "inspect" "36b400ec6309af4da421844d6b7291c8cf1e99cc445e47d9f5f764a693703da6"`
[INFO] running `"docker" "rm" "-f" "36b400ec6309af4da421844d6b7291c8cf1e99cc445e47d9f5f764a693703da6"`
[INFO] [stdout] 36b400ec6309af4da421844d6b7291c8cf1e99cc445e47d9f5f764a693703da6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/slack/0.22.0:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 30a8ad11beae8831691667ca0e38cda67a26362903a7fa2f7e5b7db171c55ec0
[INFO] running `"docker" "start" "-a" "30a8ad11beae8831691667ca0e38cda67a26362903a7fa2f7e5b7db171c55ec0"`
[INFO] [stderr]    Compiling slack v0.22.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:112:32
[INFO] [stderr]     |
[INFO] [stderr] 112 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.83s
[INFO] running `"docker" "inspect" "30a8ad11beae8831691667ca0e38cda67a26362903a7fa2f7e5b7db171c55ec0"`
[INFO] running `"docker" "rm" "-f" "30a8ad11beae8831691667ca0e38cda67a26362903a7fa2f7e5b7db171c55ec0"`
[INFO] [stdout] 30a8ad11beae8831691667ca0e38cda67a26362903a7fa2f7e5b7db171c55ec0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/slack/0.22.0:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 6895cfb9de82de7adf9e0a5bea9f192d03848a3b0ff0c0c45708690377290974
[INFO] running `"docker" "start" "-a" "6895cfb9de82de7adf9e0a5bea9f192d03848a3b0ff0c0c45708690377290974"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/slack-603cad2066646164
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test events::tests::decode_presence_change_event ... ok
[INFO] [stdout] test events::tests::decode_legacy_presence_change_event ... ok
[INFO] [stdout] test events::tests::decode_sent_ok ... ok
[INFO] [stdout] test events::tests::decode_short_standard_message ... ok
[INFO] [stdout] test events::tests::decode_sent_not_ok ... ok
[INFO] [stdout] test events::tests::decode_extended_standard_message ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slack
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6895cfb9de82de7adf9e0a5bea9f192d03848a3b0ff0c0c45708690377290974"`
[INFO] running `"docker" "rm" "-f" "6895cfb9de82de7adf9e0a5bea9f192d03848a3b0ff0c0c45708690377290974"`
[INFO] [stdout] 6895cfb9de82de7adf9e0a5bea9f192d03848a3b0ff0c0c45708690377290974