[INFO] cloning repository https://github.com/jaemk/mpix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jaemk/mpix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaemk%2Fmpix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaemk%2Fmpix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f25744e79591e5648f0b2f1eec479d2f23bee77
[INFO] checking jaemk/mpix against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaemk%2Fmpix" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jaemk/mpix on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jaemk/mpix
[INFO] finished tweaking git repo https://github.com/jaemk/mpix
[INFO] tweaked toml for git repo https://github.com/jaemk/mpix written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jaemk/mpix 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memoffset v0.5.1
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[INFO] [stderr]   Downloaded slog-async v2.3.0
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[INFO] [stderr]   Downloaded miniz_oxide v0.3.3
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.19
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[INFO] [stderr]   Downloaded flate2 v1.0.12
[INFO] [stderr]   Downloaded redis v0.12.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b868fe46cad2317a001b14b0db2bc0af290506a9df971cfc778afe950f699952
[INFO] running `Command { std: "docker" "start" "-a" "b868fe46cad2317a001b14b0db2bc0af290506a9df971cfc778afe950f699952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b868fe46cad2317a001b14b0db2bc0af290506a9df971cfc778afe950f699952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b868fe46cad2317a001b14b0db2bc0af290506a9df971cfc778afe950f699952", kill_on_drop: false }`
[INFO] [stdout] b868fe46cad2317a001b14b0db2bc0af290506a9df971cfc778afe950f699952
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26b35805f887cbaf4b850970e63e90309218f8ca988142553a4bd1e6360717bd
[INFO] running `Command { std: "docker" "start" "-a" "26b35805f887cbaf4b850970e63e90309218f8ca988142553a4bd1e6360717bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
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[INFO] [stderr]     Checking rand_hc v0.1.0
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[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking indexmap v1.2.0
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[INFO] [stderr]     Checking adler32 v1.0.4
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[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking net2 v0.2.33
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[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking http v0.1.18
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking redis v0.12.0
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking slog-term v2.4.1
[INFO] [stderr]     Checking slog-json v2.3.0
[INFO] [stderr]     Checking mpix v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]  --> src/configuration.rs:5:40
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub static ref LOG: slog::Logger = { crate::LOG.new(slog::o!("mod" => "configuration")) };
[INFO] [stdout]   |                                        ^^                                                  ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout] 5 -     pub static ref LOG: slog::Logger = { crate::LOG.new(slog::o!("mod" => "configuration")) };
[INFO] [stdout] 5 +     pub static ref LOG: slog::Logger = crate::LOG.new(slog::o!("mod" => "configuration"));
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/handlers.rs:13:40
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub static ref LOG: slog::Logger = { crate::LOG.new(slog::o!("mod" => "handlers")) };
[INFO] [stdout]    |                                        ^^                                             ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 13 -     pub static ref LOG: slog::Logger = { crate::LOG.new(slog::o!("mod" => "handlers")) };
[INFO] [stdout] 13 +     pub static ref LOG: slog::Logger = crate::LOG.new(slog::o!("mod" => "handlers"));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]  --> src/macros.rs:2:40
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub static ref LOG: slog::Logger = { crate::LOG.new(slog::o!("mod" => "macros")) };
[INFO] [stdout]   |                                        ^^                                           ^^
[INFO] [stdout]   |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout] 2 -     pub static ref LOG: slog::Logger = { crate::LOG.new(slog::o!("mod" => "macros")) };
[INFO] [stdout] 2 +     pub static ref LOG: slog::Logger = crate::LOG.new(slog::o!("mod" => "macros"));
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/service.rs:22:40
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub static ref LOG: slog::Logger = { crate::LOG.new(slog::o!("mod" => "service")) };
[INFO] [stdout]    |                                        ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 22 -     pub static ref LOG: slog::Logger = { crate::LOG.new(slog::o!("mod" => "service")) };
[INFO] [stdout] 22 +     pub static ref LOG: slog::Logger = crate::LOG.new(slog::o!("mod" => "service"));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/lib.rs:38:34
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub static ref LOG: Logger = { log::BASE_LOG.new(slog::o!("mod" => "mpix")) };
[INFO] [stdout]    |                                  ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 38 -     pub static ref LOG: Logger = { log::BASE_LOG.new(slog::o!("mod" => "mpix")) };
[INFO] [stdout] 38 +     pub static ref LOG: Logger = log::BASE_LOG.new(slog::o!("mod" => "mpix"));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]  --> src/configuration.rs:5:40
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub static ref LOG: slog::Logger = { crate::LOG.new(slog::o!("mod" => "configuration")) };
[INFO] [stdout]   |                                        ^^                                                  ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout] 5 -     pub static ref LOG: slog::Logger = { crate::LOG.new(slog::o!("mod" => "configuration")) };
[INFO] [stdout] 5 +     pub static ref LOG: slog::Logger = crate::LOG.new(slog::o!("mod" => "configuration"));
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/handlers.rs:13:40
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub static ref LOG: slog::Logger = { crate::LOG.new(slog::o!("mod" => "handlers")) };
[INFO] [stdout]    |                                        ^^                                             ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 13 -     pub static ref LOG: slog::Logger = { crate::LOG.new(slog::o!("mod" => "handlers")) };
[INFO] [stdout] 13 +     pub static ref LOG: slog::Logger = crate::LOG.new(slog::o!("mod" => "handlers"));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]  --> src/macros.rs:2:40
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub static ref LOG: slog::Logger = { crate::LOG.new(slog::o!("mod" => "macros")) };
[INFO] [stdout]   |                                        ^^                                           ^^
[INFO] [stdout]   |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout] 2 -     pub static ref LOG: slog::Logger = { crate::LOG.new(slog::o!("mod" => "macros")) };
[INFO] [stdout] 2 +     pub static ref LOG: slog::Logger = crate::LOG.new(slog::o!("mod" => "macros"));
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/service.rs:22:40
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub static ref LOG: slog::Logger = { crate::LOG.new(slog::o!("mod" => "service")) };
[INFO] [stdout]    |                                        ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 22 -     pub static ref LOG: slog::Logger = { crate::LOG.new(slog::o!("mod" => "service")) };
[INFO] [stdout] 22 +     pub static ref LOG: slog::Logger = crate::LOG.new(slog::o!("mod" => "service"));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/lib.rs:38:34
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub static ref LOG: Logger = { log::BASE_LOG.new(slog::o!("mod" => "mpix")) };
[INFO] [stdout]    |                                  ^^                                            ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 38 -     pub static ref LOG: Logger = { log::BASE_LOG.new(slog::o!("mod" => "mpix")) };
[INFO] [stdout] 38 +     pub static ref LOG: Logger = log::BASE_LOG.new(slog::o!("mod" => "mpix"));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]  --> src/main.rs:9:40
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub static ref LOG: slog::Logger = { log::BASE_LOG.new(slog::o!("mod" => "main")) };
[INFO] [stdout]   |                                        ^^                                            ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout] 9 -     pub static ref LOG: slog::Logger = { log::BASE_LOG.new(slog::o!("mod" => "main")) };
[INFO] [stdout] 9 +     pub static ref LOG: slog::Logger = log::BASE_LOG.new(slog::o!("mod" => "main"));
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]  --> src/main.rs:9:40
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub static ref LOG: slog::Logger = { log::BASE_LOG.new(slog::o!("mod" => "main")) };
[INFO] [stdout]   |                                        ^^                                            ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout] 9 -     pub static ref LOG: slog::Logger = { log::BASE_LOG.new(slog::o!("mod" => "main")) };
[INFO] [stdout] 9 +     pub static ref LOG: slog::Logger = log::BASE_LOG.new(slog::o!("mod" => "main"));
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.38s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: redis v0.12.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "26b35805f887cbaf4b850970e63e90309218f8ca988142553a4bd1e6360717bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26b35805f887cbaf4b850970e63e90309218f8ca988142553a4bd1e6360717bd", kill_on_drop: false }`
[INFO] [stdout] 26b35805f887cbaf4b850970e63e90309218f8ca988142553a4bd1e6360717bd
