[INFO] fetching crate rmqtt 0.15.0-rc.6...
[INFO] checking rmqtt-0.15.0-rc.6 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate rmqtt 0.15.0-rc.6 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate rmqtt 0.15.0-rc.6
[INFO] finished tweaking crates.io crate rmqtt 0.15.0-rc.6
[INFO] tweaked toml for crates.io crate rmqtt 0.15.0-rc.6 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rmqtt 0.15.0-rc.6 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rmqtt 0.15.0-rc.6 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe7538681fc21412b90b19ce521c534438918358521396806fa72649a3b63909
[INFO] running `Command { std: "docker" "start" "-a" "fe7538681fc21412b90b19ce521c534438918358521396806fa72649a3b63909", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe7538681fc21412b90b19ce521c534438918358521396806fa72649a3b63909", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe7538681fc21412b90b19ce521c534438918358521396806fa72649a3b63909", kill_on_drop: false }`
[INFO] [stdout] fe7538681fc21412b90b19ce521c534438918358521396806fa72649a3b63909
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7f9f172ad876014f767620c1700620cb522fb10a6dcad738200b25449da19bd
[INFO] running `Command { std: "docker" "start" "-a" "a7f9f172ad876014f767620c1700620cb522fb10a6dcad738200b25449da19bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
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[INFO] [stderr]    Compiling rmqtt v0.15.0-rc.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking systemstat v0.2.5
[INFO] [stderr]     Checking toml_parser v1.0.2
[INFO] [stderr]    Compiling snafu-derive v0.6.10
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[INFO] [stderr]     Checking futures v0.3.31
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[INFO] [stderr]     Checking rmqtt-utils v0.1.3
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[INFO] [stderr]     Checking rust-box v0.15.0
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[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/hook.rs:787:61
[INFO] [stdout]     |
[INFO] [stdout] 787 |             .and_then(|p| p.message_expiry_interval.map(|i| (i.get() as i64 * 1000)))
[INFO] [stdout]     |                                                             ^                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 787 -             .and_then(|p| p.message_expiry_interval.map(|i| (i.get() as i64 * 1000)))
[INFO] [stdout] 787 +             .and_then(|p| p.message_expiry_interval.map(|i| i.get() as i64 * 1000))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/hook.rs:787:61
[INFO] [stdout]     |
[INFO] [stdout] 787 |             .and_then(|p| p.message_expiry_interval.map(|i| (i.get() as i64 * 1000)))
[INFO] [stdout]     |                                                             ^                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 787 -             .and_then(|p| p.message_expiry_interval.map(|i| (i.get() as i64 * 1000)))
[INFO] [stdout] 787 +             .and_then(|p| p.message_expiry_interval.map(|i| i.get() as i64 * 1000))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/shared.rs:752:54
[INFO] [stdout]     |
[INFO] [stdout] 752 |         let mut sessions = self.peers.iter().map(|p| (p.s.clone())).collect::<Vec<Session>>();
[INFO] [stdout]     |                                                      ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 752 -         let mut sessions = self.peers.iter().map(|p| (p.s.clone())).collect::<Vec<Session>>();
[INFO] [stdout] 752 +         let mut sessions = self.peers.iter().map(|p| p.s.clone()).collect::<Vec<Session>>();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/shared.rs:752:54
[INFO] [stdout]     |
[INFO] [stdout] 752 |         let mut sessions = self.peers.iter().map(|p| (p.s.clone())).collect::<Vec<Session>>();
[INFO] [stdout]     |                                                      ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 752 -         let mut sessions = self.peers.iter().map(|p| (p.s.clone())).collect::<Vec<Session>>();
[INFO] [stdout] 752 +         let mut sessions = self.peers.iter().map(|p| p.s.clone()).collect::<Vec<Session>>();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 46.46s
[INFO] running `Command { std: "docker" "inspect" "a7f9f172ad876014f767620c1700620cb522fb10a6dcad738200b25449da19bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7f9f172ad876014f767620c1700620cb522fb10a6dcad738200b25449da19bd", kill_on_drop: false }`
[INFO] [stdout] a7f9f172ad876014f767620c1700620cb522fb10a6dcad738200b25449da19bd