[INFO] crate serenity 0.8.6 is already in cache [INFO] checking serenity-0.8.6 against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644 [INFO] extracting crate serenity 0.8.6 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate serenity 0.8.6 on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6 [INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"` [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-13/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3125f77946c6775601f35334db942f31ffb962eb621d563837226837ea557966 [INFO] running `"docker" "start" "-a" "3125f77946c6775601f35334db942f31ffb962eb621d563837226837ea557966"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking pin-project-lite v0.1.6 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling serde v1.0.111 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking smallvec v1.4.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.16 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Compiling encoding_rs v0.8.23 [INFO] [stderr] Checking tower-service v0.3.0 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking dtoa v0.4.5 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking base64 v0.12.1 [INFO] [stderr] Compiling serenity v0.8.6 (/opt/rustwide/workdir) [INFO] [stderr] Compiling ring v0.16.14 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking unicode-normalization v0.1.12 [INFO] [stderr] Checking miniz_oxide v0.3.6 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling proc-macro2 v1.0.17 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Compiling syn v1.0.29 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking socket2 v0.3.12 [INFO] [stderr] Checking flate2 v1.0.14 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking input_buffer v0.2.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Checking tokio v0.2.21 [INFO] [stderr] Checking webpki v0.21.3 [INFO] [stderr] Checking sct v0.6.0 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking rustls v0.17.0 [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 tungstenite v0.9.2 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking tokio-rustls v0.13.1 [INFO] [stderr] Compiling pin-project-internal v0.4.17 [INFO] [stderr] Compiling serde_derive v1.0.111 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling command_attr v0.2.0 [INFO] [stderr] Checking pin-project v0.4.17 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking h2 v0.2.5 [INFO] [stderr] Checking hyper v0.13.6 [INFO] [stderr] Checking serde_json v1.0.53 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking hyper-rustls v0.20.0 [INFO] [stderr] Checking reqwest v0.10.6 [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/model/channel/guild_channel.rs:384:17 [INFO] [stderr] | [INFO] [stderr] 384 | std::mem::replace(self, channel); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/model/channel/message.rs:260:17 [INFO] [stderr] | [INFO] [stderr] 260 | mem::replace(self, edited); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/model/guild/emoji.rs:127:25 [INFO] [stderr] | [INFO] [stderr] 127 | mem::replace(self, emoji); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/model/user.rs:722:13 [INFO] [stderr] | [INFO] [stderr] 722 | mem::replace(self, replacement); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/model/webhook.rs:146:17 [INFO] [stderr] | [INFO] [stderr] 146 | mem::replace(self, replacement); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/model/channel/guild_channel.rs:384:17 [INFO] [stderr] | [INFO] [stderr] 384 | std::mem::replace(self, channel); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/model/channel/message.rs:260:17 [INFO] [stderr] | [INFO] [stderr] 260 | mem::replace(self, edited); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/model/guild/emoji.rs:127:25 [INFO] [stderr] | [INFO] [stderr] 127 | mem::replace(self, emoji); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/model/user.rs:722:13 [INFO] [stderr] | [INFO] [stderr] 722 | mem::replace(self, replacement); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/model/webhook.rs:146:17 [INFO] [stderr] | [INFO] [stderr] 146 | mem::replace(self, replacement); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 38s [INFO] running `"docker" "inspect" "3125f77946c6775601f35334db942f31ffb962eb621d563837226837ea557966"` [INFO] running `"docker" "rm" "-f" "3125f77946c6775601f35334db942f31ffb962eb621d563837226837ea557966"` [INFO] [stdout] 3125f77946c6775601f35334db942f31ffb962eb621d563837226837ea557966