[INFO] fetching crate huehue 0.4.1... [INFO] checking huehue-0.4.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate huehue 0.4.1 into /workspace/builds/worker-0-tc2/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-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate huehue 0.4.1 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6d1417d928f70d67f66cfeed2e840cae0d27db0ab55c3645470e5a9d7a746e1d [INFO] running `Command { std: "docker" "start" "-a" "6d1417d928f70d67f66cfeed2e840cae0d27db0ab55c3645470e5a9d7a746e1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6d1417d928f70d67f66cfeed2e840cae0d27db0ab55c3645470e5a9d7a746e1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d1417d928f70d67f66cfeed2e840cae0d27db0ab55c3645470e5a9d7a746e1d", kill_on_drop: false }` [INFO] [stdout] 6d1417d928f70d67f66cfeed2e840cae0d27db0ab55c3645470e5a9d7a746e1d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ec3a027ec3ae6419a2456242c2d4a06c430047a5ede0a694e610c02af4617d00 [INFO] running `Command { std: "docker" "start" "-a" "ec3a027ec3ae6419a2456242c2d4a06c430047a5ede0a694e610c02af4617d00", 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 memchr v2.4.1 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Checking tracing-core v0.1.22 [INFO] [stderr] Compiling httparse v1.6.0 [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] Checking futures-util v0.3.21 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Checking tracing v0.1.30 [INFO] [stderr] Checking http v0.2.6 [INFO] [stderr] Compiling encoding_rs v0.8.30 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Checking unicode-bidi v0.3.7 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking ipnet v2.3.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking assert_approx_eq v1.1.0 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking crossbeam-channel v0.5.2 [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 unicode-normalization v0.1.19 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking http-body v0.4.4 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking mdns-sd v0.2.2 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling serde_repr v0.1.7 [INFO] [stderr] Checking tokio v1.16.1 [INFO] [stderr] Checking structopt v0.3.26 [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 hyper v0.14.17 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking uuid v0.8.2 [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] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/authorize.rs:13:2 [INFO] [stdout] | [INFO] [stdout] 13 | / #[structopt(long)] [INFO] [stdout] 14 | | pub device: String, [INFO] [stdout] | |______________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `huehue` (example "authorize") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/devices.rs:15:2 [INFO] [stdout] | [INFO] [stdout] 15 | / #[structopt(long, env = "RUES_DEVICE_TYPE")] [INFO] [stdout] 16 | | pub device_type: String, [INFO] [stdout] | |___________________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/devices.rs:18:2 [INFO] [stdout] | [INFO] [stdout] 18 | / #[structopt(long, env = "RUES_APPLICATION_KEY")] [INFO] [stdout] 19 | | pub application_key: String, [INFO] [stdout] | |_______________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/lights.rs:14:2 [INFO] [stdout] | [INFO] [stdout] 14 | / #[structopt(long, env = "RUES_DEVICE_TYPE")] [INFO] [stdout] 15 | | pub device_type: String, [INFO] [stdout] | |___________________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/lights.rs:17:2 [INFO] [stdout] | [INFO] [stdout] 17 | / #[structopt(long, env = "RUES_APPLICATION_KEY")] [INFO] [stdout] 18 | | pub application_key: String, [INFO] [stdout] | |_______________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `huehue` (example "devices") due to 2 previous errors [INFO] [stderr] error: could not compile `huehue` (example "lights") due to 2 previous errors [INFO] [stderr] error: could not compile `huehue` (example "light-switch") due to 2 previous errors [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/light-switch.rs:53:2 [INFO] [stdout] | [INFO] [stdout] 53 | / #[structopt(long, env = "RUES_DEVICE_TYPE")] [INFO] [stdout] 54 | | pub device_type: String, [INFO] [stdout] | |___________________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/light-switch.rs:56:2 [INFO] [stdout] | [INFO] [stdout] 56 | / #[structopt(long, env = "RUES_APPLICATION_KEY")] [INFO] [stdout] 57 | | pub application_key: String, [INFO] [stdout] | |_______________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ec3a027ec3ae6419a2456242c2d4a06c430047a5ede0a694e610c02af4617d00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec3a027ec3ae6419a2456242c2d4a06c430047a5ede0a694e610c02af4617d00", kill_on_drop: false }` [INFO] [stdout] ec3a027ec3ae6419a2456242c2d4a06c430047a5ede0a694e610c02af4617d00