[INFO] cloning repository https://github.com/CrimsonAndRed/MyLittleDiscord [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CrimsonAndRed/MyLittleDiscord" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrimsonAndRed%2FMyLittleDiscord", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrimsonAndRed%2FMyLittleDiscord'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ffc16b1030b4a8cdd7017e871a5207d8b1b708d9 [INFO] testing CrimsonAndRed/MyLittleDiscord against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrimsonAndRed%2FMyLittleDiscord" "/workspace/builds/worker-104/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-104/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/CrimsonAndRed/MyLittleDiscord on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/CrimsonAndRed/MyLittleDiscord [INFO] finished tweaking git repo https://github.com/CrimsonAndRed/MyLittleDiscord [INFO] tweaked toml for git repo https://github.com/CrimsonAndRed/MyLittleDiscord written to /workspace/builds/worker-104/source/Cargo.toml [INFO] crate git repo https://github.com/CrimsonAndRed/MyLittleDiscord already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 080d88a1956fc1aafb808beca1358db3e2a8795a3ae54bc1b0ea390f8fdb5573 [INFO] running `Command { std: "docker" "start" "-a" "080d88a1956fc1aafb808beca1358db3e2a8795a3ae54bc1b0ea390f8fdb5573", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "080d88a1956fc1aafb808beca1358db3e2a8795a3ae54bc1b0ea390f8fdb5573", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "080d88a1956fc1aafb808beca1358db3e2a8795a3ae54bc1b0ea390f8fdb5573", kill_on_drop: false }` [INFO] [stdout] 080d88a1956fc1aafb808beca1358db3e2a8795a3ae54bc1b0ea390f8fdb5573 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0832309c4564e422ee2d7a366cf9838c38cfdbf9ff9fd0011a3f9a85cb7ce51b [INFO] running `Command { std: "docker" "start" "-a" "0832309c4564e422ee2d7a366cf9838c38cfdbf9ff9fd0011a3f9a85cb7ce51b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.59 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.39 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] 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[INFO] [stderr] Compiling phf v0.7.24 [INFO] [stderr] Compiling tokio-executor v0.1.8 [INFO] [stderr] Compiling tokio-sync v0.1.6 [INFO] [stderr] Compiling tower-service v0.1.0 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling tokio-timer v0.2.11 [INFO] [stderr] Compiling tokio-current-thread v0.1.6 [INFO] [stderr] Compiling string v0.2.1 [INFO] [stderr] Compiling http v0.1.17 [INFO] [stderr] Compiling flate2 v1.0.9 [INFO] [stderr] Compiling ordered-float v1.0.2 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling uuid v0.7.4 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling chrono v0.4.7 [INFO] [stderr] Compiling backtrace v0.3.32 [INFO] [stderr] Compiling parking_lot v0.7.1 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Compiling cookie v0.11.1 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling brotli2 v0.3.2 [INFO] [stderr] Compiling serde_derive v1.0.94 [INFO] [stderr] Compiling v_escape_derive v0.5.3 [INFO] [stderr] Compiling actix_derive v0.3.2 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling v_htmlescape v0.4.3 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling serde_json v1.0.40 [INFO] [stderr] Compiling serde_yaml v0.8.9 [INFO] [stderr] Compiling serde-value v0.5.3 [INFO] [stderr] Compiling serde_urlencoded v0.5.5 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling tokio-threadpool v0.1.15 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling tokio-tls v0.2.1 [INFO] [stderr] Compiling h2 v0.1.25 [INFO] [stderr] Compiling tokio-fs v0.1.6 [INFO] [stderr] Compiling tokio-reactor v0.1.9 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling log4rs v0.8.3 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling tokio-udp v0.1.3 [INFO] [stderr] Compiling tokio-uds v0.2.5 [INFO] [stderr] Compiling tokio-signal v0.2.7 [INFO] [stderr] Compiling trust-dns-proto v0.6.3 [INFO] [stderr] Compiling trust-dns-proto v0.5.0 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling trust-dns-resolver v0.10.3 [INFO] [stderr] Compiling actix v0.7.9 [INFO] [stderr] Compiling actix-net v0.2.6 [INFO] [stderr] Compiling my_little_discord v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:21:29 [INFO] [stdout] | [INFO] [stdout] 21 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 21 - fn main() -> Result<(), Box> { [INFO] [stdout] 21 + fn main() -> Result<(), Box> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::stream::Stream` [INFO] [stdout] --> src/engine.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use futures::stream::Stream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `m` [INFO] [stdout] --> src/engine.rs:92:23 [INFO] [stdout] | [INFO] [stdout] 92 | .map(|m| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `PUT` [INFO] [stdout] --> src/connector.rs:214:5 [INFO] [stdout] | [INFO] [stdout] 214 | PUT, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `DELETE` [INFO] [stdout] --> src/connector.rs:215:5 [INFO] [stdout] | [INFO] [stdout] 215 | DELETE, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `session_id` [INFO] [stdout] --> src/engine.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | session_id: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/connector.rs:193:9 [INFO] [stdout] | [INFO] [stdout] 193 | std::mem::replace(&mut msg.data.s, self.last_sequence); [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: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 46.58s [INFO] running `Command { std: "docker" "inspect" "0832309c4564e422ee2d7a366cf9838c38cfdbf9ff9fd0011a3f9a85cb7ce51b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0832309c4564e422ee2d7a366cf9838c38cfdbf9ff9fd0011a3f9a85cb7ce51b", kill_on_drop: false }` [INFO] [stdout] 0832309c4564e422ee2d7a366cf9838c38cfdbf9ff9fd0011a3f9a85cb7ce51b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9b2e0e4bcd002f4e5f7c5df60fae67ef956888ad8b605d3dfbe5308d1f8348c2 [INFO] running `Command { std: "docker" "start" "-a" "9b2e0e4bcd002f4e5f7c5df60fae67ef956888ad8b605d3dfbe5308d1f8348c2", kill_on_drop: false }` [INFO] [stderr] Compiling my_little_discord v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:21:29 [INFO] [stdout] | [INFO] [stdout] 21 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 21 - fn main() -> Result<(), Box> { [INFO] [stdout] 21 + fn main() -> Result<(), Box> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::stream::Stream` [INFO] [stdout] --> src/engine.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use futures::stream::Stream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `m` [INFO] [stdout] --> src/engine.rs:92:23 [INFO] [stdout] | [INFO] [stdout] 92 | .map(|m| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `PUT` [INFO] [stdout] --> src/connector.rs:214:5 [INFO] [stdout] | [INFO] [stdout] 214 | PUT, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `DELETE` [INFO] [stdout] --> src/connector.rs:215:5 [INFO] [stdout] | [INFO] [stdout] 215 | DELETE, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `session_id` [INFO] [stdout] --> src/engine.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | session_id: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/connector.rs:193:9 [INFO] [stdout] | [INFO] [stdout] 193 | std::mem::replace(&mut msg.data.s, self.last_sequence); [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: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.11s [INFO] running `Command { std: "docker" "inspect" "9b2e0e4bcd002f4e5f7c5df60fae67ef956888ad8b605d3dfbe5308d1f8348c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b2e0e4bcd002f4e5f7c5df60fae67ef956888ad8b605d3dfbe5308d1f8348c2", kill_on_drop: false }` [INFO] [stdout] 9b2e0e4bcd002f4e5f7c5df60fae67ef956888ad8b605d3dfbe5308d1f8348c2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 426b08b2a827bfe779d5cef952041f88672a001447b3f78cb3b1262b6c00b925 [INFO] running `Command { std: "docker" "start" "-a" "426b08b2a827bfe779d5cef952041f88672a001447b3f78cb3b1262b6c00b925", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:21:29 [INFO] [stderr] | [INFO] [stderr] 21 | fn main() -> Result<(), Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 21 - fn main() -> Result<(), Box> { [INFO] [stderr] 21 + fn main() -> Result<(), Box> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused import: `futures::stream::Stream` [INFO] [stderr] --> src/engine.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use futures::stream::Stream; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `m` [INFO] [stderr] --> src/engine.rs:92:23 [INFO] [stderr] | [INFO] [stderr] 92 | .map(|m| { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `PUT` [INFO] [stderr] --> src/connector.rs:214:5 [INFO] [stderr] | [INFO] [stderr] 214 | PUT, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `DELETE` [INFO] [stderr] --> src/connector.rs:215:5 [INFO] [stderr] | [INFO] [stderr] 215 | DELETE, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `session_id` [INFO] [stderr] --> src/engine.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | session_id: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/connector.rs:193:9 [INFO] [stderr] | [INFO] [stderr] 193 | std::mem::replace(&mut msg.data.s, self.last_sequence); [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: `my_little_discord` (bin "my_little_discord" test) generated 7 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.16s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/my_little_discord-0e63a79a1fec2af8) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "426b08b2a827bfe779d5cef952041f88672a001447b3f78cb3b1262b6c00b925", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "426b08b2a827bfe779d5cef952041f88672a001447b3f78cb3b1262b6c00b925", kill_on_drop: false }` [INFO] [stdout] 426b08b2a827bfe779d5cef952041f88672a001447b3f78cb3b1262b6c00b925