[INFO] updating cached repository https://github.com/cesare/rust_slack_client
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6cc3488df262e171bb813216403502d05f109a54
[INFO] testing cesare/rust_slack_client against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcesare%2Frust_slack_client" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cesare/rust_slack_client on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cesare/rust_slack_client
[INFO] finished tweaking git repo https://github.com/cesare/rust_slack_client
[INFO] tweaked toml for git repo https://github.com/cesare/rust_slack_client written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/cesare/rust_slack_client already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 712a316126a5ceca6b6cd39a5f1be3c074b9bc12c57e9ec85b3d32cc9956e14d
[INFO] running `"docker" "start" "-a" "712a316126a5ceca6b6cd39a5f1be3c074b9bc12c57e9ec85b3d32cc9956e14d"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.17
[INFO] [stderr]    Compiling openssl v0.10.11
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]    Compiling openssl-sys v0.9.35
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling tokio-io v0.1.8
[INFO] [stderr]    Compiling http v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.26
[INFO] [stderr]    Compiling tokio-threadpool v0.1.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.5
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling tokio-fs v0.1.3
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling tokio-uds v0.2.1
[INFO] [stderr]    Compiling tokio-tcp v0.1.1
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[INFO] [stderr]    Compiling h2 v0.1.12
[INFO] [stderr]    Compiling tokio v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.76
[INFO] [stderr]    Compiling hyper v0.12.9
[INFO] [stderr]    Compiling hyper-tls v0.3.0
[INFO] [stderr]    Compiling slack_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never used: `client`
[INFO] [stderr]   --> src/conversation.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     client: HttpClient,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.29s
[INFO] running `"docker" "inspect" "712a316126a5ceca6b6cd39a5f1be3c074b9bc12c57e9ec85b3d32cc9956e14d"`
[INFO] running `"docker" "rm" "-f" "712a316126a5ceca6b6cd39a5f1be3c074b9bc12c57e9ec85b3d32cc9956e14d"`
[INFO] [stdout] 712a316126a5ceca6b6cd39a5f1be3c074b9bc12c57e9ec85b3d32cc9956e14d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4711710fb9aa0ea1f380b653e3f5aa79d3791f5ec8cf370b49fa3ee16bdca507
[INFO] running `"docker" "start" "-a" "4711710fb9aa0ea1f380b653e3f5aa79d3791f5ec8cf370b49fa3ee16bdca507"`
[INFO] [stderr]    Compiling slack_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never used: `client`
[INFO] [stderr]   --> src/conversation.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     client: HttpClient,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.47s
[INFO] running `"docker" "inspect" "4711710fb9aa0ea1f380b653e3f5aa79d3791f5ec8cf370b49fa3ee16bdca507"`
[INFO] running `"docker" "rm" "-f" "4711710fb9aa0ea1f380b653e3f5aa79d3791f5ec8cf370b49fa3ee16bdca507"`
[INFO] [stdout] 4711710fb9aa0ea1f380b653e3f5aa79d3791f5ec8cf370b49fa3ee16bdca507
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 0534b9726429c4aeb0f236fdabd25c852b9e081e2d1feb132cd007850af5d3aa
[INFO] running `"docker" "start" "-a" "0534b9726429c4aeb0f236fdabd25c852b9e081e2d1feb132cd007850af5d3aa"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/slack_client-6f1ef3cc02732b96
[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] [stderr]      Running /opt/rustwide/target/debug/deps/list_conversations-5188f255002212de
[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] [stderr]      Running /opt/rustwide/target/debug/deps/post_message-a9c10bb8b329d6a1
[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] [stderr]      Running /opt/rustwide/target/debug/deps/rtm-906bc966b6c7e001
[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] [stderr]      Running /opt/rustwide/target/debug/deps/show_identity-6e64ce9576cb13a3
[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] [stderr]    Doc-tests slack_client
[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" "0534b9726429c4aeb0f236fdabd25c852b9e081e2d1feb132cd007850af5d3aa"`
[INFO] running `"docker" "rm" "-f" "0534b9726429c4aeb0f236fdabd25c852b9e081e2d1feb132cd007850af5d3aa"`
[INFO] [stdout] 0534b9726429c4aeb0f236fdabd25c852b9e081e2d1feb132cd007850af5d3aa