[INFO] cloning repository https://github.com/sdbondi/tower-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sdbondi/tower-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdbondi%2Ftower-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdbondi%2Ftower-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05080a8e931e8b1316c5756b4bed9ccb1f4d3374
[INFO] checking sdbondi/tower-examples against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6+rustflags=-Znext-solver=coherence for pr-133502-30
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdbondi%2Ftower-examples" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sdbondi/tower-examples
[INFO] finished tweaking git repo https://github.com/sdbondi/tower-examples
[INFO] tweaked toml for git repo https://github.com/sdbondi/tower-examples written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sdbondi/tower-examples on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sdbondi/tower-examples 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" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tower-layer v0.1.0
[INFO] [stderr]   Downloaded tower-service v0.2.0
[INFO] [stderr]   Downloaded tokio-io v0.1.12
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[INFO] [stderr]   Downloaded memoffset v0.5.1
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[INFO] [stderr]   Downloaded tower-retry v0.1.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1b3ba8d88b6a8c9b69156824cc483760afabdd33a589792d386ee6a16c906d3d
[INFO] running `Command { std: "docker" "start" "1b3ba8d88b6a8c9b69156824cc483760afabdd33a589792d386ee6a16c906d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b3ba8d88b6a8c9b69156824cc483760afabdd33a589792d386ee6a16c906d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1b3ba8d88b6a8c9b69156824cc483760afabdd33a589792d386ee6a16c906d3d" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b3ba8d88b6a8c9b69156824cc483760afabdd33a589792d386ee6a16c906d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Znext-solver=coherence" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1b3ba8d88b6a8c9b69156824cc483760afabdd33a589792d386ee6a16c906d3d" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]     Checking futures v0.1.28
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling autocfg v0.1.5
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[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
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[INFO] [stderr]     Checking iovec v0.1.2
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[INFO] [stderr]     Checking stable_deref_trait v1.1.1
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[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling memoffset v0.5.1
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[INFO] [stderr]     Checking tokio-timer v0.2.11
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[INFO] [stderr]     Checking tokio-threadpool v0.1.15
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[INFO] [stderr]     Checking tower-limit v0.1.0
[INFO] [stderr]     Checking parking_lot v0.7.1
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[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tcpstream-play v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tokio::codec::BytesCodec`
[INFO] [stdout]  --> examples/simple_server.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio::codec::BytesCodec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/simple_server.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let mut handler = Handler::new(socket);
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `tokio`
[INFO] [stderr]  --> Cargo.toml:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | tokio = "0.1.22"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `tokio`
[INFO] [stderr] help: to still use for development builds, move to `dev-dependencies`
[INFO] [stderr] warning: unused dependency `tower`
[INFO] [stderr]  --> Cargo.toml:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | tower = "0.1.1"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `tower`
[INFO] [stderr] help: to still use for development builds, move to `dev-dependencies`
[INFO] [stderr] warning: `tcpstream-play` (manifest) generated 2 warnings
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.33s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rand_core v0.4.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "1b3ba8d88b6a8c9b69156824cc483760afabdd33a589792d386ee6a16c906d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b3ba8d88b6a8c9b69156824cc483760afabdd33a589792d386ee6a16c906d3d", kill_on_drop: false }`
[INFO] [stdout] 1b3ba8d88b6a8c9b69156824cc483760afabdd33a589792d386ee6a16c906d3d
