[INFO] crate phoenix-channels 0.1.3 is already in cache
[INFO] extracting crate phoenix-channels 0.1.3 into work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/phoenix-channels/0.1.3
[INFO] extracting crate phoenix-channels 0.1.3 into work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/phoenix-channels/0.1.3
[INFO] validating manifest of phoenix-channels-0.1.3 on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of phoenix-channels-0.1.3 on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing phoenix-channels-0.1.3
[INFO] finished frobbing phoenix-channels-0.1.3
[INFO] frobbed toml for phoenix-channels-0.1.3 written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/phoenix-channels/0.1.3/Cargo.toml
[INFO] started frobbing phoenix-channels-0.1.3
[INFO] finished frobbing phoenix-channels-0.1.3
[INFO] frobbed toml for phoenix-channels-0.1.3 written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/phoenix-channels/0.1.3/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking phoenix-channels-0.1.3 against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-1/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/phoenix-channels/0.1.3:/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" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ef11fb90524c38dbd29794d2a5043eaae0af13f32d421335ad524c4a48eed742
[INFO] running `"docker" "start" "-a" "ef11fb90524c38dbd29794d2a5043eaae0af13f32d421335ad524c4a48eed742"`
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]     Checking websocket v0.20.4
[INFO] [stderr]     Checking slog-scope v4.1.1
[INFO] [stderr]     Checking slog-stdlog v3.0.2
[INFO] [stderr]     Checking phoenix-channels v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `logger`
[INFO] [stderr]   --> src/client.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     logger: slog::Logger,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `logger`
[INFO] [stderr]   --> src/receiver.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     logger: slog::Logger,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/client.rs:106:17
[INFO] [stderr]     |
[INFO] [stderr] 106 |                 sender.heartbeat();
[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: field is never used: `logger`
[INFO] [stderr]   --> src/client.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     logger: slog::Logger,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `logger`
[INFO] [stderr]   --> src/receiver.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     logger: slog::Logger,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/client.rs:106:17
[INFO] [stderr]     |
[INFO] [stderr] 106 |                 sender.heartbeat();
[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]     Finished dev [unoptimized + debuginfo] target(s) in 7.95s
[INFO] running `"docker" "inspect" "ef11fb90524c38dbd29794d2a5043eaae0af13f32d421335ad524c4a48eed742"`
[INFO] running `"docker" "rm" "-f" "ef11fb90524c38dbd29794d2a5043eaae0af13f32d421335ad524c4a48eed742"`
[INFO] [stdout] ef11fb90524c38dbd29794d2a5043eaae0af13f32d421335ad524c4a48eed742