[INFO] cloning repository https://github.com/maxcell/tokio-redis-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maxcell/tokio-redis-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxcell%2Ftokio-redis-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxcell%2Ftokio-redis-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b870f1782e88047c7827dcd55b65174cb8b7cda3
[INFO] checking maxcell/tokio-redis-example against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxcell%2Ftokio-redis-example" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/maxcell/tokio-redis-example
[INFO] finished tweaking git repo https://github.com/maxcell/tokio-redis-example
[INFO] tweaked toml for git repo https://github.com/maxcell/tokio-redis-example written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maxcell/tokio-redis-example on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/maxcell/tokio-redis-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-stream v0.3.2
[INFO] [stderr]   Downloaded atoi v0.3.3
[INFO] [stderr]   Downloaded mini-redis v0.4.1
[INFO] [stderr]   Downloaded async-stream-impl v0.3.2
[INFO] [stderr]   Downloaded ryu v1.0.6
[INFO] [stderr]   Downloaded serde_json v1.0.72
[INFO] [stderr]   Downloaded syn v1.0.82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5fbf0dc4f3e1703503ff9066d0bf09deca76b52393702a72955d05bdb5687d1
[INFO] running `Command { std: "docker" "start" "-a" "b5fbf0dc4f3e1703503ff9066d0bf09deca76b52393702a72955d05bdb5687d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5fbf0dc4f3e1703503ff9066d0bf09deca76b52393702a72955d05bdb5687d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5fbf0dc4f3e1703503ff9066d0bf09deca76b52393702a72955d05bdb5687d1", kill_on_drop: false }`
[INFO] [stdout] b5fbf0dc4f3e1703503ff9066d0bf09deca76b52393702a72955d05bdb5687d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2a282d289ea03346536ebdac43b7e500ed05fbe2bbe5c6704ffb3133e91a353
[INFO] running `Command { std: "docker" "start" "-a" "c2a282d289ea03346536ebdac43b7e500ed05fbe2bbe5c6704ffb3133e91a353", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking atoi v0.3.3
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking async-stream v0.3.2
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[INFO] [stderr]     Checking tracing-futures v0.2.5
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[INFO] [stderr]     Checking my-redis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `some_output`
[INFO] [stdout]   --> src/main.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let some_output = tokio::spawn(async move {
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `some_output`
[INFO] [stdout]   --> src/main.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let some_output = tokio::spawn(async move {
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.51s
[INFO] running `Command { std: "docker" "inspect" "c2a282d289ea03346536ebdac43b7e500ed05fbe2bbe5c6704ffb3133e91a353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2a282d289ea03346536ebdac43b7e500ed05fbe2bbe5c6704ffb3133e91a353", kill_on_drop: false }`
[INFO] [stdout] c2a282d289ea03346536ebdac43b7e500ed05fbe2bbe5c6704ffb3133e91a353
