[INFO] fetching crate rperf 0.1.25...
[INFO] checking rperf-0.1.25 against 5c543b0b8c73c7b72bc8284ced4fb22ead15734d for pr-160186
[INFO] extracting crate rperf 0.1.25 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate rperf 0.1.25
[INFO] finished tweaking crates.io crate rperf 0.1.25
[INFO] tweaked toml for crates.io crate rperf 0.1.25 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rperf 0.1.25 on toolchain 5c543b0b8c73c7b72bc8284ced4fb22ead15734d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rperf 0.1.25 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" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple-error v0.2.3
[INFO] [stderr]   Downloaded core_affinity v0.5.10
[INFO] [stderr]   Downloaded clap v2.33.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e28222c89cb49b3fa38b5f634b7d49ea67d0e148a15b8f6abab19b1cd6b1da58
[INFO] running `Command { std: "docker" "start" "e28222c89cb49b3fa38b5f634b7d49ea67d0e148a15b8f6abab19b1cd6b1da58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e28222c89cb49b3fa38b5f634b7d49ea67d0e148a15b8f6abab19b1cd6b1da58", 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" "e28222c89cb49b3fa38b5f634b7d49ea67d0e148a15b8f6abab19b1cd6b1da58" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e28222c89cb49b3fa38b5f634b7d49ea67d0e148a15b8f6abab19b1cd6b1da58", 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" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e28222c89cb49b3fa38b5f634b7d49ea67d0e148a15b8f6abab19b1cd6b1da58" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking log v0.4.26
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking humantime v2.2.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking chrono v0.4.40
[INFO] [stderr]     Checking simple-error v0.2.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking clap v2.33.4
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking core_affinity v0.5.10
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking ctrlc v3.4.5
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking rperf v0.1.25 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/client.rs:152:45
[INFO] [stdout]     |
[INFO] [stdout] 152 |     let mut parallel_streams: Vec<Arc<Mutex<(dyn TestStream + Sync + Send)>>> =
[INFO] [stdout]     |                                             ^                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 152 -     let mut parallel_streams: Vec<Arc<Mutex<(dyn TestStream + Sync + Send)>>> =
[INFO] [stdout] 152 +     let mut parallel_streams: Vec<Arc<Mutex<dyn TestStream + Sync + Send>>> =
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/server.rs:62:45
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut parallel_streams: Vec<Arc<Mutex<(dyn TestStream + Sync + Send)>>> = Vec::new();
[INFO] [stdout]    |                                             ^                            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 62 -     let mut parallel_streams: Vec<Arc<Mutex<(dyn TestStream + Sync + Send)>>> = Vec::new();
[INFO] [stdout] 62 +     let mut parallel_streams: Vec<Arc<Mutex<dyn TestStream + Sync + Send>>> = Vec::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/client.rs:152:45
[INFO] [stdout]     |
[INFO] [stdout] 152 |     let mut parallel_streams: Vec<Arc<Mutex<(dyn TestStream + Sync + Send)>>> =
[INFO] [stdout]     |                                             ^                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 152 -     let mut parallel_streams: Vec<Arc<Mutex<(dyn TestStream + Sync + Send)>>> =
[INFO] [stdout] 152 +     let mut parallel_streams: Vec<Arc<Mutex<dyn TestStream + Sync + Send>>> =
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/server.rs:62:45
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut parallel_streams: Vec<Arc<Mutex<(dyn TestStream + Sync + Send)>>> = Vec::new();
[INFO] [stdout]    |                                             ^                            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 62 -     let mut parallel_streams: Vec<Arc<Mutex<(dyn TestStream + Sync + Send)>>> = Vec::new();
[INFO] [stdout] 62 +     let mut parallel_streams: Vec<Arc<Mutex<dyn TestStream + Sync + Send>>> = Vec::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.18s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nix v0.29.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "e28222c89cb49b3fa38b5f634b7d49ea67d0e148a15b8f6abab19b1cd6b1da58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e28222c89cb49b3fa38b5f634b7d49ea67d0e148a15b8f6abab19b1cd6b1da58", kill_on_drop: false }`
[INFO] [stdout] e28222c89cb49b3fa38b5f634b7d49ea67d0e148a15b8f6abab19b1cd6b1da58
