[INFO] fetching crate tempest-source-redis 0.1.1...
[INFO] checking tempest-source-redis-0.1.1 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate tempest-source-redis 0.1.1 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate tempest-source-redis 0.1.1 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tempest-source-redis 0.1.1
[INFO] finished tweaking crates.io crate tempest-source-redis 0.1.1
[INFO] tweaked toml for crates.io crate tempest-source-redis 0.1.1 written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redis v0.16.0
[INFO] [stderr]   Downloaded minreq v1.4.1
[INFO] [stderr]   Downloaded tempest v0.1.1
[INFO] [stderr]   Downloaded redis-streams v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 446a88f493c8dc0b5dbd5bceca6992430375dbdb3b9e3d040a2ee0e73bba6541
[INFO] running `Command { std: "docker" "start" "-a" "446a88f493c8dc0b5dbd5bceca6992430375dbdb3b9e3d040a2ee0e73bba6541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "446a88f493c8dc0b5dbd5bceca6992430375dbdb3b9e3d040a2ee0e73bba6541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "446a88f493c8dc0b5dbd5bceca6992430375dbdb3b9e3d040a2ee0e73bba6541", kill_on_drop: false }`
[INFO] [stdout] 446a88f493c8dc0b5dbd5bceca6992430375dbdb3b9e3d040a2ee0e73bba6541
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 044cbca5f552e527923092b6e9ee77fdf347cfcf1f02b9ebecc6b524cc6c0733
[INFO] running `Command { std: "docker" "start" "-a" "044cbca5f552e527923092b6e9ee77fdf347cfcf1f02b9ebecc6b524cc6c0733", kill_on_drop: false }`
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[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> tests/test_streams.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     &source.monitor();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let _ = &source.monitor();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.35s
[INFO] running `Command { std: "docker" "inspect" "044cbca5f552e527923092b6e9ee77fdf347cfcf1f02b9ebecc6b524cc6c0733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "044cbca5f552e527923092b6e9ee77fdf347cfcf1f02b9ebecc6b524cc6c0733", kill_on_drop: false }`
[INFO] [stdout] 044cbca5f552e527923092b6e9ee77fdf347cfcf1f02b9ebecc6b524cc6c0733