[INFO] fetching crate huehue 0.4.1...
[INFO] checking huehue-0.4.1 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate huehue 0.4.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate huehue 0.4.1
[INFO] finished tweaking crates.io crate huehue 0.4.1
[INFO] tweaked toml for crates.io crate huehue 0.4.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate huehue 0.4.1 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate huehue 0.4.1 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_repr v0.1.7
[INFO] [stderr]   Downloaded assert_approx_eq v1.1.0
[INFO] [stderr]   Downloaded tokio-macros v1.7.0
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[INFO] [stderr]   Downloaded httparse v1.6.0
[INFO] [stderr]   Downloaded mdns-sd v0.2.2
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.7
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.2
[INFO] [stderr]   Downloaded http v0.2.6
[INFO] [stderr]   Downloaded tracing v0.1.30
[INFO] [stderr]   Downloaded reqwest v0.11.9
[INFO] [stderr]   Downloaded ntapi v0.3.7
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[INFO] [stderr]   Downloaded hyper v0.14.17
[INFO] [stderr]   Downloaded openssl v0.10.38
[INFO] [stderr]   Downloaded tokio v1.16.1
[INFO] [stderr]   Downloaded libc v0.2.118
[INFO] [stderr]   Downloaded web-sys v0.3.56
[INFO] [stderr]   Downloaded encoding_rs v0.8.30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f590c086eb594f7529a3a434cd8cebf75ed96708028e6e058266a52724f726ac
[INFO] running `Command { std: "docker" "start" "-a" "f590c086eb594f7529a3a434cd8cebf75ed96708028e6e058266a52724f726ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f590c086eb594f7529a3a434cd8cebf75ed96708028e6e058266a52724f726ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f590c086eb594f7529a3a434cd8cebf75ed96708028e6e058266a52724f726ac", kill_on_drop: false }`
[INFO] [stdout] f590c086eb594f7529a3a434cd8cebf75ed96708028e6e058266a52724f726ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7be6520d63f5bb49d0dd86ae591166587b51d2a1b4976790b4ad7ed0e910fc48
[INFO] running `Command { std: "docker" "start" "-a" "7be6520d63f5bb49d0dd86ae591166587b51d2a1b4976790b4ad7ed0e910fc48", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling log v0.4.14
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[INFO] [stderr]    Compiling serde_derive v1.0.136
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[INFO] [stderr]     Checking futures-util v0.3.21
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[INFO] [stderr]    Compiling proc-macro-error v1.0.4
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[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.9
[INFO] [stderr]     Checking huehue v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/discover.rs:38:51
[INFO] [stdout]    |
[INFO] [stdout] 38 |                                 info.get_addresses().iter().for_each(|ip| drop(ips.insert(ip.to_std())))
[INFO] [stdout]    |                                                                           ^^^^^-----------------------^
[INFO] [stdout]    |                                                                                |
[INFO] [stdout]    |                                                                                argument has type `bool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/discover.rs:38:51
[INFO] [stdout]    |
[INFO] [stdout] 38 |                                 info.get_addresses().iter().for_each(|ip| drop(ips.insert(ip.to_std())))
[INFO] [stdout]    |                                                                           ^^^^^-----------------------^
[INFO] [stdout]    |                                                                                |
[INFO] [stdout]    |                                                                                argument has type `bool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.09s
[INFO] running `Command { std: "docker" "inspect" "7be6520d63f5bb49d0dd86ae591166587b51d2a1b4976790b4ad7ed0e910fc48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7be6520d63f5bb49d0dd86ae591166587b51d2a1b4976790b4ad7ed0e910fc48", kill_on_drop: false }`
[INFO] [stdout] 7be6520d63f5bb49d0dd86ae591166587b51d2a1b4976790b4ad7ed0e910fc48
