[INFO] fetching crate serenity 0.8.6... [INFO] checking serenity-0.8.6 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846 [INFO] extracting crate serenity 0.8.6 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate serenity 0.8.6 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate serenity 0.8.6 [INFO] finished tweaking crates.io crate serenity 0.8.6 [INFO] tweaked toml for crates.io crate serenity 0.8.6 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c4cc0a74ec94185a0058dc36ee700ed09aac1b62371b69342b17ac22ea19d92d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c4cc0a74ec94185a0058dc36ee700ed09aac1b62371b69342b17ac22ea19d92d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c4cc0a74ec94185a0058dc36ee700ed09aac1b62371b69342b17ac22ea19d92d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4cc0a74ec94185a0058dc36ee700ed09aac1b62371b69342b17ac22ea19d92d", kill_on_drop: false }` [INFO] [stdout] c4cc0a74ec94185a0058dc36ee700ed09aac1b62371b69342b17ac22ea19d92d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1eaed252b536178664ed926c0e30d26dd969f39253ad5eff15d8e295007470eb [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1eaed252b536178664ed926c0e30d26dd969f39253ad5eff15d8e295007470eb", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling cc v1.0.58 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking tinyvec v0.3.3 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Checking dtoa v0.4.6 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Compiling serenity v0.8.6 (/opt/rustwide/workdir) [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking uwl v0.6.0 [INFO] [stderr] Checking tracing-core v0.1.14 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking miniz_oxide v0.4.0 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Checking unicode-normalization v0.1.13 [INFO] [stderr] Checking encoding_rs v0.8.23 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking socket2 v0.3.12 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling hashbrown v0.8.2 [INFO] [stderr] Compiling indexmap v1.5.1 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Checking tracing v0.1.19 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking flate2 v1.0.16 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking input_buffer v0.2.0 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Compiling ring v0.16.15 [INFO] [stderr] Checking tokio v0.2.22 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking webpki v0.21.3 [INFO] [stderr] Checking sct v0.6.0 [INFO] [stderr] Checking tungstenite v0.9.2 [INFO] [stderr] Checking rustls v0.18.1 [INFO] [stderr] Checking webpki-roots v0.19.0 [INFO] [stderr] Checking rustls v0.16.0 [INFO] [stderr] Checking webpki-roots v0.18.0 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking tokio-rustls v0.14.0 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling command_attr v0.2.0 [INFO] [stderr] Checking pin-project v0.4.23 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking serde v1.0.115 [INFO] [stderr] Checking h2 v0.2.6 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking chrono v0.4.15 [INFO] [stderr] Checking hyper v0.13.7 [INFO] [stderr] Checking hyper-rustls v0.21.0 [INFO] [stderr] Checking reqwest v0.10.7 [INFO] [stdout] warning: allow(rust_2018_idioms) is ignored unless specified at crate level [INFO] [stdout] --> src/lib.rs:115:9 [INFO] [stdout] | [INFO] [stdout] 115 | #[allow(rust_2018_idioms)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: allow(rust_2018_idioms) is ignored unless specified at crate level [INFO] [stdout] --> src/lib.rs:115:9 [INFO] [stdout] | [INFO] [stdout] 115 | #[allow(rust_2018_idioms)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: allow(rust_2018_idioms) is ignored unless specified at crate level [INFO] [stdout] --> src/lib.rs:115:9 [INFO] [stdout] | [INFO] [stdout] 115 | #[allow(rust_2018_idioms)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: allow(rust_2018_idioms) is ignored unless specified at crate level [INFO] [stdout] --> src/lib.rs:115:9 [INFO] [stdout] | [INFO] [stdout] 115 | #[allow(rust_2018_idioms)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/model/channel/guild_channel.rs:384:17 [INFO] [stdout] | [INFO] [stdout] 384 | std::mem::replace(self, channel); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/model/channel/message.rs:260:17 [INFO] [stdout] | [INFO] [stdout] 260 | mem::replace(self, edited); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/model/guild/emoji.rs:127:25 [INFO] [stdout] | [INFO] [stdout] 127 | mem::replace(self, emoji); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/model/user.rs:722:13 [INFO] [stdout] | [INFO] [stdout] 722 | mem::replace(self, replacement); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/model/webhook.rs:146:17 [INFO] [stdout] | [INFO] [stdout] 146 | mem::replace(self, replacement); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/model/channel/guild_channel.rs:384:17 [INFO] [stdout] | [INFO] [stdout] 384 | std::mem::replace(self, channel); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/model/channel/message.rs:260:17 [INFO] [stdout] | [INFO] [stdout] 260 | mem::replace(self, edited); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/model/guild/emoji.rs:127:25 [INFO] [stdout] | [INFO] [stdout] 127 | mem::replace(self, emoji); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/model/user.rs:722:13 [INFO] [stdout] | [INFO] [stdout] 722 | mem::replace(self, replacement); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/model/webhook.rs:146:17 [INFO] [stdout] | [INFO] [stdout] 146 | mem::replace(self, replacement); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 31s [INFO] running `Command { std: "docker" "inspect" "1eaed252b536178664ed926c0e30d26dd969f39253ad5eff15d8e295007470eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1eaed252b536178664ed926c0e30d26dd969f39253ad5eff15d8e295007470eb", kill_on_drop: false }` [INFO] [stdout] 1eaed252b536178664ed926c0e30d26dd969f39253ad5eff15d8e295007470eb