[INFO] cloning repository https://github.com/Licenser/loop-test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Licenser/loop-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLicenser%2Floop-test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLicenser%2Floop-test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8546dfea32c6d9fbb7809e64197ab22ba2a4cac6 [INFO] checking Licenser/loop-test against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLicenser%2Floop-test" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Licenser/loop-test on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Licenser/loop-test [INFO] finished tweaking git repo https://github.com/Licenser/loop-test [INFO] tweaked toml for git repo https://github.com/Licenser/loop-test written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/Licenser/loop-test already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded parking v1.0.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 38af83c0b9be44b6f565420595d07d8f27fb38e70589f50bc2866dbdec89070b [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" "38af83c0b9be44b6f565420595d07d8f27fb38e70589f50bc2866dbdec89070b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "38af83c0b9be44b6f565420595d07d8f27fb38e70589f50bc2866dbdec89070b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38af83c0b9be44b6f565420595d07d8f27fb38e70589f50bc2866dbdec89070b", kill_on_drop: false }` [INFO] [stdout] 38af83c0b9be44b6f565420595d07d8f27fb38e70589f50bc2866dbdec89070b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c169b86b87b2f92c09293a402d5cd7c8d543c3c3f5417799a487c223e8d636c5 [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" "c169b86b87b2f92c09293a402d5cd7c8d543c3c3f5417799a487c223e8d636c5", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.34 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.64 [INFO] [stderr] Compiling libc v0.2.72 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Compiling wasm-bindgen v0.2.64 [INFO] [stderr] Checking parking v1.0.4 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking async-channel v1.1.1 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking socket2 v0.3.12 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.64 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.64 [INFO] [stderr] Compiling pin-project-internal v0.4.22 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling async-attributes v1.1.1 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.64 [INFO] [stderr] Checking pin-project v0.4.22 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking js-sys v0.3.41 [INFO] [stderr] Checking web-sys v0.3.41 [INFO] [stderr] Checking blocking v0.4.6 [INFO] [stderr] Checking futures-executor v0.3.5 [INFO] [stderr] Checking futures v0.3.5 [INFO] [stderr] Checking smol v0.1.18 [INFO] [stderr] Checking gloo-timers v0.2.1 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Checking async-std v1.6.2 [INFO] [stderr] Checking loop-test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `send` [INFO] [stdout] --> src/main.rs:85:25 [INFO] [stdout] | [INFO] [stdout] 85 | pub(crate) async fn send(&self, msg: M) { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `maybe_send` [INFO] [stdout] --> src/main.rs:89:19 [INFO] [stdout] | [INFO] [stdout] 89 | pub(crate) fn maybe_send(&self, msg: M) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `send` [INFO] [stdout] --> src/main.rs:85:25 [INFO] [stdout] | [INFO] [stdout] 85 | pub(crate) async fn send(&self, msg: M) { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `maybe_send` [INFO] [stdout] --> src/main.rs:89:19 [INFO] [stdout] | [INFO] [stdout] 89 | pub(crate) fn maybe_send(&self, msg: M) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | self.addr.send(msg).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:152:17 [INFO] [stdout] | [INFO] [stdout] 152 | r_tx.send(m).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:167:13 [INFO] [stdout] | [INFO] [stdout] 167 | / match m { [INFO] [stdout] 168 | | M::F(m) => off_tx.send(m).await, [INFO] [stdout] 169 | | M::R(m) => on_tx.send(m).await, [INFO] [stdout] 170 | | }; [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | self.addr.send(msg).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:152:17 [INFO] [stdout] | [INFO] [stdout] 152 | r_tx.send(m).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:167:13 [INFO] [stdout] | [INFO] [stdout] 167 | / match m { [INFO] [stdout] 168 | | M::F(m) => off_tx.send(m).await, [INFO] [stdout] 169 | | M::R(m) => on_tx.send(m).await, [INFO] [stdout] 170 | | }; [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 51.57s [INFO] running `Command { std: "docker" "inspect" "c169b86b87b2f92c09293a402d5cd7c8d543c3c3f5417799a487c223e8d636c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c169b86b87b2f92c09293a402d5cd7c8d543c3c3f5417799a487c223e8d636c5", kill_on_drop: false }` [INFO] [stdout] c169b86b87b2f92c09293a402d5cd7c8d543c3c3f5417799a487c223e8d636c5