[INFO] crate phoenix-channels 0.1.3 is already in cache
[INFO] extracting crate phoenix-channels 0.1.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/phoenix-channels/0.1.3
[INFO] extracting crate phoenix-channels 0.1.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/phoenix-channels/0.1.3
[INFO] validating manifest of phoenix-channels-0.1.3 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 phoenix-channels-0.1.3 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 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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/reg/phoenix-channels/0.1.3/Cargo.toml
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing phoenix-channels-0.1.3 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/phoenix-channels/0.1.3:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 383e8d959c0cb511a1498f937c8ba3f2b5fd89d35bb7ab41a255a37eff591cb3
[INFO] running `"docker" "start" "-a" "383e8d959c0cb511a1498f937c8ba3f2b5fd89d35bb7ab41a255a37eff591cb3"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `"docker" "inspect" "383e8d959c0cb511a1498f937c8ba3f2b5fd89d35bb7ab41a255a37eff591cb3"`
[INFO] running `"docker" "rm" "-f" "383e8d959c0cb511a1498f937c8ba3f2b5fd89d35bb7ab41a255a37eff591cb3"`
[INFO] [stdout] 383e8d959c0cb511a1498f937c8ba3f2b5fd89d35bb7ab41a255a37eff591cb3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/phoenix-channels/0.1.3:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ac0edc6a1cd6af3272125b8ff1fb2b38b8da44fb10b30aeb1b087c951d676a13
[INFO] running `"docker" "start" "-a" "ac0edc6a1cd6af3272125b8ff1fb2b38b8da44fb10b30aeb1b087c951d676a13"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "ac0edc6a1cd6af3272125b8ff1fb2b38b8da44fb10b30aeb1b087c951d676a13"`
[INFO] running `"docker" "rm" "-f" "ac0edc6a1cd6af3272125b8ff1fb2b38b8da44fb10b30aeb1b087c951d676a13"`
[INFO] [stdout] ac0edc6a1cd6af3272125b8ff1fb2b38b8da44fb10b30aeb1b087c951d676a13
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/phoenix-channels/0.1.3:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 7cba457902d59ff039b11b02fa7bd65a08c197c28309fc903f1a0a212d642919
[INFO] running `"docker" "start" "-a" "7cba457902d59ff039b11b02fa7bd65a08c197c28309fc903f1a0a212d642919"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/phoenix_channels-330f88f55d02dfc3
[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 phoenix-channels
[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" "7cba457902d59ff039b11b02fa7bd65a08c197c28309fc903f1a0a212d642919"`
[INFO] running `"docker" "rm" "-f" "7cba457902d59ff039b11b02fa7bd65a08c197c28309fc903f1a0a212d642919"`
[INFO] [stdout] 7cba457902d59ff039b11b02fa7bd65a08c197c28309fc903f1a0a212d642919