[INFO] fetching crate huehue 0.4.1...
[INFO] checking huehue-0.4.1 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate huehue 0.4.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate huehue 0.4.1 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3-tc1/source/Cargo.toml
[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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio v1.16.1
[INFO] [stderr]   Downloaded mdns-sd v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26d7d6eeff729862c59359e1ce0fbd268d0dd42d05173376659a2e9b76e10b8d
[INFO] running `Command { std: "docker" "start" "-a" "26d7d6eeff729862c59359e1ce0fbd268d0dd42d05173376659a2e9b76e10b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26d7d6eeff729862c59359e1ce0fbd268d0dd42d05173376659a2e9b76e10b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26d7d6eeff729862c59359e1ce0fbd268d0dd42d05173376659a2e9b76e10b8d", kill_on_drop: false }`
[INFO] [stdout] 26d7d6eeff729862c59359e1ce0fbd268d0dd42d05173376659a2e9b76e10b8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ad6ffdf90626682f7a5b529e2d2d44d2a78ebfd598a344141b15b9aecd11ab9
[INFO] running `Command { std: "docker" "start" "-a" "6ad6ffdf90626682f7a5b529e2d2d44d2a78ebfd598a344141b15b9aecd11ab9", 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
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking tracing-core v0.1.22
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing v0.1.30
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking tokio v1.16.1
[INFO] [stderr]     Checking mdns-sd v0.2.2
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.11
[INFO] [stderr]     Checking serde_json v1.0.79
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking hyper v0.14.17
[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: 1 warning emitted
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.49s
[INFO] running `Command { std: "docker" "inspect" "6ad6ffdf90626682f7a5b529e2d2d44d2a78ebfd598a344141b15b9aecd11ab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ad6ffdf90626682f7a5b529e2d2d44d2a78ebfd598a344141b15b9aecd11ab9", kill_on_drop: false }`
[INFO] [stdout] 6ad6ffdf90626682f7a5b529e2d2d44d2a78ebfd598a344141b15b9aecd11ab9