[INFO] fetching crate tic 0.6.0...
[INFO] checking tic-0.6.0 against beta for pr-78714
[INFO] extracting crate tic 0.6.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tic 0.6.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tic 0.6.0
[INFO] finished tweaking crates.io crate tic 0.6.0
[INFO] tweaked toml for crates.io crate tic 0.6.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6618abce67cb7c64d32563b8d153584b02e9c9affb68d898c9751f57176cb76d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6618abce67cb7c64d32563b8d153584b02e9c9affb68d898c9751f57176cb76d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6618abce67cb7c64d32563b8d153584b02e9c9affb68d898c9751f57176cb76d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6618abce67cb7c64d32563b8d153584b02e9c9affb68d898c9751f57176cb76d", kill_on_drop: false }`
[INFO] [stdout] 6618abce67cb7c64d32563b8d153584b02e9c9affb68d898c9751f57176cb76d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1da83f929ebd6a7480228fafdcccec55e4eebb5b42953e3b4f05eef8aa7a4d9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d1da83f929ebd6a7480228fafdcccec55e4eebb5b42953e3b4f05eef8aa7a4d9", kill_on_drop: false }`
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking histogram v0.6.9
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking hsl v0.1.1
[INFO] [stderr]     Checking mpmc v0.1.5
[INFO] [stderr]     Checking allan v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking clocksource v0.4.0
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking url v0.2.38
[INFO] [stderr]     Checking heatmap v0.6.6
[INFO] [stderr]     Checking stb_truetype v0.1.2
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking png v0.7.0
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking rusttype v0.1.2
[INFO] [stderr]     Checking waterfall v0.7.1
[INFO] [stderr]     Checking tiny_http v0.5.9
[INFO] [stderr]     Checking tic v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/sender.rs:95:65
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn try_send(&mut self, sample: Sample<T>) -> Result<(), (Sample<T>)> {
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/sender.rs:95:65
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn try_send(&mut self, sample: Sample<T>) -> Result<(), (Sample<T>)> {
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[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 7.06s
[INFO] running `Command { std: "docker" "inspect" "d1da83f929ebd6a7480228fafdcccec55e4eebb5b42953e3b4f05eef8aa7a4d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1da83f929ebd6a7480228fafdcccec55e4eebb5b42953e3b4f05eef8aa7a4d9", kill_on_drop: false }`
[INFO] [stdout] d1da83f929ebd6a7480228fafdcccec55e4eebb5b42953e3b4f05eef8aa7a4d9