[INFO] updating cached repository https://github.com/yuya373/slack-rs
[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] 72d00539329da77df4d77a2d4d30567a51628814
[INFO] testing yuya373/slack-rs against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuya373%2Fslack-rs" "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/yuya373/slack-rs on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/yuya373/slack-rs
[INFO] finished tweaking git repo https://github.com/yuya373/slack-rs
[INFO] tweaked toml for git repo https://github.com/yuya373/slack-rs written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/yuya373/slack-rs already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 90ede7b455285c010260cf55b655503b8de4e0602958d48c903020a71491e2e8
[INFO] running `"docker" "start" "-a" "90ede7b455285c010260cf55b655503b8de4e0602958d48c903020a71491e2e8"`
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling futures v0.1.24
[INFO] [stderr]    Compiling openssl v0.10.12
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling utf-8 v0.7.4
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling openssl-sys v0.9.36
[INFO] [stderr]    Compiling dirs v1.0.3
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling bytes v0.4.10
[INFO] [stderr]    Compiling uuid v0.7.1
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.28
[INFO] [stderr]    Compiling serde_urlencoded v0.5.3
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling http v0.1.13
[INFO] [stderr]    Compiling input_buffer v0.2.0
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling tokio-io v0.1.8
[INFO] [stderr]    Compiling tokio-executor v0.1.4
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling sha-1 v0.7.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.6
[INFO] [stderr]    Compiling tokio-timer v0.2.6
[INFO] [stderr]    Compiling tokio-current-thread v0.1.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.5
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.12
[INFO] [stderr]    Compiling tokio-fs v0.1.3
[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 tungstenite v0.6.0
[INFO] [stderr]    Compiling tokio-tls v0.2.0
[INFO] [stderr]    Compiling tokio v0.1.8
[INFO] [stderr]    Compiling hyper v0.12.10
[INFO] [stderr]    Compiling tokio-dns-unofficial v0.3.1
[INFO] [stderr]    Compiling tokio-tungstenite v0.6.0
[INFO] [stderr]    Compiling hyper-tls v0.3.0
[INFO] [stderr]    Compiling reqwest v0.9.0
[INFO] [stderr]    Compiling slack-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `futures::future`
[INFO] [stderr]  --> src/model/workspace.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use futures::future;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::Sink`
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | use futures::Sink;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Channel`, `Group`, `Im`, `Me`, `Mpim`, `Team`
[INFO] [stderr]   --> src/main.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 | use model::{Channel, Group, Im, Me, Mpim, Team, Workspace};
[INFO] [stderr]    |             ^^^^^^^  ^^^^^  ^^  ^^  ^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `All`
[INFO] [stderr]  --> src/api/conversations.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     All,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Timestamp`
[INFO] [stderr]   --> src/model/mod.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | type Timestamp = String;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Type` should have a snake case name
[INFO] [stderr]   --> src/main.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     Type: ActionType,
[INFO] [stderr]    |     ^^^^ help: convert the identifier to snake case: `type`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rtm/ping.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 | /             tx.unbounded_send(Action::ping())
[INFO] [stderr] 12 | |                 .map_err(|err| println!("Failed to send Action::ping, {:?}", err));
[INFO] [stderr]    | |___________________________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Type` should have a snake case name
[INFO] [stderr]   --> src/rtm/handler.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Type: &'a str,
[INFO] [stderr]    |     ^^^^ help: convert the identifier to snake case: `type`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.54s
[INFO] running `"docker" "inspect" "90ede7b455285c010260cf55b655503b8de4e0602958d48c903020a71491e2e8"`
[INFO] running `"docker" "rm" "-f" "90ede7b455285c010260cf55b655503b8de4e0602958d48c903020a71491e2e8"`
[INFO] [stdout] 90ede7b455285c010260cf55b655503b8de4e0602958d48c903020a71491e2e8
[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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] fe3edbe5273be4ff0eac13832ab180094644d37cc2fbc29de615612c06f1edad
[INFO] running `"docker" "start" "-a" "fe3edbe5273be4ff0eac13832ab180094644d37cc2fbc29de615612c06f1edad"`
[INFO] [stderr]    Compiling slack-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `futures::future`
[INFO] [stderr]  --> src/model/workspace.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use futures::future;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::Sink`
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | use futures::Sink;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Channel`, `Group`, `Im`, `Me`, `Mpim`, `Team`
[INFO] [stderr]   --> src/main.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 | use model::{Channel, Group, Im, Me, Mpim, Team, Workspace};
[INFO] [stderr]    |             ^^^^^^^  ^^^^^  ^^  ^^  ^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `All`
[INFO] [stderr]  --> src/api/conversations.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     All,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Timestamp`
[INFO] [stderr]   --> src/model/mod.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | type Timestamp = String;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Type` should have a snake case name
[INFO] [stderr]   --> src/main.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     Type: ActionType,
[INFO] [stderr]    |     ^^^^ help: convert the identifier to snake case: `type`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rtm/ping.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 | /             tx.unbounded_send(Action::ping())
[INFO] [stderr] 12 | |                 .map_err(|err| println!("Failed to send Action::ping, {:?}", err));
[INFO] [stderr]    | |___________________________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Type` should have a snake case name
[INFO] [stderr]   --> src/rtm/handler.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Type: &'a str,
[INFO] [stderr]    |     ^^^^ help: convert the identifier to snake case: `type`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.47s
[INFO] running `"docker" "inspect" "fe3edbe5273be4ff0eac13832ab180094644d37cc2fbc29de615612c06f1edad"`
[INFO] running `"docker" "rm" "-f" "fe3edbe5273be4ff0eac13832ab180094644d37cc2fbc29de615612c06f1edad"`
[INFO] [stdout] fe3edbe5273be4ff0eac13832ab180094644d37cc2fbc29de615612c06f1edad
[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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] f3b75e0789a9f36b244011634422bd4dce0a17a438cfae0a82a9c33cb5e1e82a
[INFO] running `"docker" "start" "-a" "f3b75e0789a9f36b244011634422bd4dce0a17a438cfae0a82a9c33cb5e1e82a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/slack_rs-8e31b92ddba2b0e4
[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" "f3b75e0789a9f36b244011634422bd4dce0a17a438cfae0a82a9c33cb5e1e82a"`
[INFO] running `"docker" "rm" "-f" "f3b75e0789a9f36b244011634422bd4dce0a17a438cfae0a82a9c33cb5e1e82a"`
[INFO] [stdout] f3b75e0789a9f36b244011634422bd4dce0a17a438cfae0a82a9c33cb5e1e82a