[INFO] updating cached repository fabifrank/rust-tokio-event-loop-madness
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fabifrank/rust-tokio-event-loop-madness
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fabifrank/rust-tokio-event-loop-madness" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/fabifrank/rust-tokio-event-loop-madness"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/fabifrank/rust-tokio-event-loop-madness'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fabifrank/rust-tokio-event-loop-madness" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/fabifrank/rust-tokio-event-loop-madness"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/fabifrank/rust-tokio-event-loop-madness'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 46f0665e18b210b388fa040ee310bffd9fe0a4ac
[INFO] sha for GitHub repo fabifrank/rust-tokio-event-loop-madness: 46f0665e18b210b388fa040ee310bffd9fe0a4ac
[INFO] validating manifest of fabifrank/rust-tokio-event-loop-madness on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fabifrank/rust-tokio-event-loop-madness on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fabifrank/rust-tokio-event-loop-madness
[INFO] finished frobbing fabifrank/rust-tokio-event-loop-madness
[INFO] frobbed toml for fabifrank/rust-tokio-event-loop-madness written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/fabifrank/rust-tokio-event-loop-madness/Cargo.toml
[INFO] started frobbing fabifrank/rust-tokio-event-loop-madness
[INFO] finished frobbing fabifrank/rust-tokio-event-loop-madness
[INFO] frobbed toml for fabifrank/rust-tokio-event-loop-madness written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/fabifrank/rust-tokio-event-loop-madness/Cargo.toml
[INFO] crate fabifrank/rust-tokio-event-loop-madness already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking fabifrank/rust-tokio-event-loop-madness against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-5/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/fabifrank/rust-tokio-event-loop-madness:/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=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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 296b636d524ec4071417d1819b6b3e799758f04c5478b89a42bfb551157e1fee
[INFO] running `"docker" "start" "-a" "296b636d524ec4071417d1819b6b3e799758f04c5478b89a42bfb551157e1fee"`
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking copyless v0.1.3
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking actix-service v0.4.1
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling regex-syntax v0.6.7
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking socket2 v0.3.9
[INFO] [stderr]     Checking signal-hook-registry v1.0.1
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[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking resolv-conf v0.6.2
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[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking signal-hook v0.1.9
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
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[INFO] [stderr]     Checking string v0.2.0
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[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-codec v0.1.1
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[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking actix-codec v0.1.2
[INFO] [stderr]     Checking actix-utils v0.4.1
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking actix-server-config v0.1.1
[INFO] [stderr]     Checking tokio v0.1.21
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]     Checking h2 v0.1.24
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking hyper v0.12.30
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling actix-web-codegen v0.1.2
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking trust-dns-proto v0.7.4
[INFO] [stderr]     Checking actix-threadpool v0.1.1
[INFO] [stderr]     Checking actix-rt v0.2.2
[INFO] [stderr]     Checking trust-dns-resolver v0.11.1
[INFO] [stderr]     Checking actix-server v0.5.1
[INFO] [stderr]     Checking actix-connect v0.2.0
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking actix-router v0.1.5
[INFO] [stderr]     Checking actix-http v0.2.4
[INFO] [stderr]     Checking awc v0.2.1
[INFO] [stderr]     Checking actix-web v1.0.2
[INFO] [stderr]     Checking rust-tokio-event-loop-madness v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `actix_rt::System`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use actix_rt::System;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `actix_rt::System`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use actix_rt::System;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     listen();
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     listen();
[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 2m 44s
[INFO] running `"docker" "inspect" "296b636d524ec4071417d1819b6b3e799758f04c5478b89a42bfb551157e1fee"`
[INFO] running `"docker" "rm" "-f" "296b636d524ec4071417d1819b6b3e799758f04c5478b89a42bfb551157e1fee"`
[INFO] [stdout] 296b636d524ec4071417d1819b6b3e799758f04c5478b89a42bfb551157e1fee