[INFO] updating cached repository Mange/slack-tui
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Mange/slack-tui
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Mange/slack-tui" "work/ex/beta-1.38-1/sources/1.37.0/gh/Mange/slack-tui"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Mange/slack-tui'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Mange/slack-tui" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Mange/slack-tui"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Mange/slack-tui'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 173859854c6f6d643157eccbfcc1e8ea1697b663
[INFO] sha for GitHub repo Mange/slack-tui: 173859854c6f6d643157eccbfcc1e8ea1697b663
[INFO] validating manifest of Mange/slack-tui 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 Mange/slack-tui 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 Mange/slack-tui
[INFO] removed path dependency tui from Mange/slack-tui
[INFO] finished frobbing Mange/slack-tui
[INFO] frobbed toml for Mange/slack-tui written to work/ex/beta-1.38-1/sources/1.37.0/gh/Mange/slack-tui/Cargo.toml
[INFO] started frobbing Mange/slack-tui
[INFO] removed path dependency tui from Mange/slack-tui
[INFO] finished frobbing Mange/slack-tui
[INFO] frobbed toml for Mange/slack-tui written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Mange/slack-tui/Cargo.toml
[INFO] crate Mange/slack-tui 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] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Mange/slack-tui/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 Mange/slack-tui 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-6/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/Mange/slack-tui:/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] eecc95e9e7fe4e7df54464e1d4995dd398110cdf136a8621174054af57192b3c
[INFO] running `"docker" "start" "-a" "eecc95e9e7fe4e7df54464e1d4995dd398110cdf136a8621174054af57192b3c"`
[INFO] [stderr]    Compiling sha1 v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling relay v0.1.1
[INFO] [stderr]    Compiling termion v1.5.3
[INFO] [stderr]    Compiling want v0.0.4
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling input_buffer v0.1.1
[INFO] [stderr]    Compiling dotenv v0.13.0
[INFO] [stderr]    Compiling tungstenite v0.5.4
[INFO] [stderr]    Compiling tui v0.2.3
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling hyper v0.11.27
[INFO] [stderr]    Compiling hyper-tls v0.1.4
[INFO] [stderr]    Compiling reqwest v0.8.8
[INFO] [stderr]    Compiling slack_api v0.20.0
[INFO] [stderr]    Compiling slack v0.21.0
[INFO] [stderr]    Compiling slack-tui v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `ChannelID`
[INFO] [stderr]  --> src/models/message_buffer.rs:4:32
[INFO] [stderr]   |
[INFO] [stderr] 4 | use models::{AppState, Canvas, ChannelID};
[INFO] [stderr]   |                                ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'failure::Error::causes': please use the 'iter_chain()' method instead
[INFO] [stderr]  --> src/util.rs:4:29
[INFO] [stderr]   |
[INFO] [stderr] 4 |     for (i, cause) in error.causes().enumerate() {
[INFO] [stderr]   |                             ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'failure::Fail::causes': please use the 'iter_chain()' method instead
[INFO] [stderr]   --> src/util.rs:26:10
[INFO] [stderr]    |
[INFO] [stderr] 26 |         .causes()
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/models/channel.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_str`
[INFO] [stderr]    --> src/models/messages/mod.rs:195:5
[INFO] [stderr]     |
[INFO] [stderr] 195 |     pub fn as_str(&self) -> &str {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Iter`
[INFO] [stderr]   --> src/models/user.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | type Iter<'a> = ::std::collections::btree_map::Iter<'a, UserID, User>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `id`
[INFO] [stderr]   --> src/models/user.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn id(&self) -> &UserID {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/models/user.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter`
[INFO] [stderr]   --> src/models/user.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub fn iter(&self) -> Iter {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/components/event_loop.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |         rtm.run(&mut SlackEventHandler { tx: slack_tx });
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/components/input_manager.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 app.select_channel_from_selector();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 51s
[INFO] running `"docker" "inspect" "eecc95e9e7fe4e7df54464e1d4995dd398110cdf136a8621174054af57192b3c"`
[INFO] running `"docker" "rm" "-f" "eecc95e9e7fe4e7df54464e1d4995dd398110cdf136a8621174054af57192b3c"`
[INFO] [stdout] eecc95e9e7fe4e7df54464e1d4995dd398110cdf136a8621174054af57192b3c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/Mange/slack-tui:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8482d9ddd3a1e6f83a6de7a5e8399fd68b818e8432b0d899b564cccf0f6ce335
[INFO] running `"docker" "start" "-a" "8482d9ddd3a1e6f83a6de7a5e8399fd68b818e8432b0d899b564cccf0f6ce335"`
[INFO] [stderr]    Compiling slack-tui v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'failure::Error::causes': please use the 'iter_chain()' method instead
[INFO] [stderr]  --> src/util.rs:4:29
[INFO] [stderr]   |
[INFO] [stderr] 4 |     for (i, cause) in error.causes().enumerate() {
[INFO] [stderr]   |                             ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'failure::Fail::causes': please use the 'iter_chain()' method instead
[INFO] [stderr]   --> src/util.rs:26:10
[INFO] [stderr]    |
[INFO] [stderr] 26 |         .causes()
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `has_unreads`
[INFO] [stderr]   --> src/models/channel.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn has_unreads(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_str`
[INFO] [stderr]    --> src/models/messages/mod.rs:195:5
[INFO] [stderr]     |
[INFO] [stderr] 195 |     pub fn as_str(&self) -> &str {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Iter`
[INFO] [stderr]   --> src/models/user.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | type Iter<'a> = ::std::collections::btree_map::Iter<'a, UserID, User>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/models/user.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter`
[INFO] [stderr]   --> src/models/user.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub fn iter(&self) -> Iter {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/components/event_loop.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |         rtm.run(&mut SlackEventHandler { tx: slack_tx });
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/components/input_manager.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 app.select_channel_from_selector();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.79s
[INFO] running `"docker" "inspect" "8482d9ddd3a1e6f83a6de7a5e8399fd68b818e8432b0d899b564cccf0f6ce335"`
[INFO] running `"docker" "rm" "-f" "8482d9ddd3a1e6f83a6de7a5e8399fd68b818e8432b0d899b564cccf0f6ce335"`
[INFO] [stdout] 8482d9ddd3a1e6f83a6de7a5e8399fd68b818e8432b0d899b564cccf0f6ce335
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/Mange/slack-tui:/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" "test" "--frozen"`
[INFO] [stdout] 0477dc398a1c4ea9d9fa1ab690240383750b32449ffbdafd9453441593f2e08c
[INFO] running `"docker" "start" "-a" "0477dc398a1c4ea9d9fa1ab690240383750b32449ffbdafd9453441593f2e08c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/slack_tui-190b1e747b7b78d5
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test components::channel_selector::tests::it_deletes_character_at_cursor ... ok
[INFO] [stdout] test components::channel_selector::tests::it_deletes_word ... ok
[INFO] [stdout] test components::channel_selector::tests::it_deletes_word_from_cursor ... ok
[INFO] [stdout] test components::channel_selector::tests::it_deletes_character ... ok
[INFO] [stdout] test components::channel_selector::tests::it_adds_characters ... ok
[INFO] [stdout] test components::channel_selector::tests::it_does_not_panic_when_deleting_at_beginning ... ok
[INFO] [stdout] test components::channel_selector::tests::it_matches_channels_containing_text ... ok
[INFO] [stdout] test components::channel_selector::tests::it_moves_to_beginning_and_end ... ok
[INFO] [stdout] test models::canvas::tests::it_appends_canvases ... ok
[INFO] [stdout] test models::canvas::tests::it_renders_to_string ... ok
[INFO] [stdout] test models::canvas::tests::it_continues_on_last_line ... ok
[INFO] [stdout] test models::canvas::tests::it_writes_characters_to_grow ... ok
[INFO] [stdout] test models::canvas::tests::it_wraps_existing_lines ... ok
[INFO] [stdout] test models::message_buffer::tests::it_renders_messages_as_canvas ... ok
[INFO] [stdout] test models::canvas::tests::it_renders_into_tui_buffer_viewports ... ok
[INFO] [stdout] test models::message_buffer::tests::it_skips_messages_in_other_channels ... ok
[INFO] [stdout] test models::messages::error::tests::it_renders_as_canvas ... ok
[INFO] [stdout] test models::message_buffer::tests::it_adds_loading_message_when_loading ... ok
[INFO] [stdout] test models::messages::standard::tests::it_renders_as_canvas ... ok
[INFO] [stdout] test models::messages::loading::tests::it_renders_as_canvas ... ok
[INFO] [stdout] test models::messages::tests::message_id::it_is_constructed_from_microsecond_timestamps ... ok
[INFO] [stdout] test widgets::scrollbar::tests::it_calculates_heights ... ok
[INFO] [stdout] test models::messages::standard::tests::it_uses_side_channel_to_fill_in_channel_when_missing ... ok
[INFO] [stdout] test models::messages::unsupported::tests::it_renders_as_canvas ... ok
[INFO] [stdout] test models::messages::tests::message_id::it_sorts_by_oldest_first ... ok
[INFO] [stdout] test widgets::scrollbar::tests::it_calculates_ratios ... ok
[INFO] [stdout] test widgets::scrollbar::tests::it_deals_with_float_rounding_errors ... ok
[INFO] [stdout] test widgets::scrollbar::tests::it_caps_range_to_total ... ok
[INFO] [stdout] test widgets::scrollbar::tests::it_allows_ranges_up_until_total ... ok
[INFO] [stdout] test models::messages::standard::tests::it_renders_messages_with_many_characters ... ok
[INFO] [stdout] test widgets::scrollbar::tests::it_panics_when_range_is_set_outside_of_total ... ok
[INFO] [stdout] test models::canvas::tests::it_panics_when_adding_different_widths ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0477dc398a1c4ea9d9fa1ab690240383750b32449ffbdafd9453441593f2e08c"`
[INFO] running `"docker" "rm" "-f" "0477dc398a1c4ea9d9fa1ab690240383750b32449ffbdafd9453441593f2e08c"`
[INFO] [stdout] 0477dc398a1c4ea9d9fa1ab690240383750b32449ffbdafd9453441593f2e08c