[INFO] fetching crate sink-splitter 0.1.0... [INFO] testing sink-splitter-0.1.0 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate sink-splitter 0.1.0 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate sink-splitter 0.1.0 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate sink-splitter 0.1.0 [INFO] finished tweaking crates.io crate sink-splitter 0.1.0 [INFO] tweaked toml for crates.io crate sink-splitter 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5c76c2c69fd4b1fa55b60e69a088d6acc53652faa76a83829615bf1e7cbad2bb [INFO] running `Command { std: "docker" "start" "-a" "5c76c2c69fd4b1fa55b60e69a088d6acc53652faa76a83829615bf1e7cbad2bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5c76c2c69fd4b1fa55b60e69a088d6acc53652faa76a83829615bf1e7cbad2bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c76c2c69fd4b1fa55b60e69a088d6acc53652faa76a83829615bf1e7cbad2bb", kill_on_drop: false }` [INFO] [stdout] 5c76c2c69fd4b1fa55b60e69a088d6acc53652faa76a83829615bf1e7cbad2bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b0b5605d5dd6dda086d7a0cfb378ecc53bd3a0b1caf440b187af934d515c41f0 [INFO] running `Command { std: "docker" "start" "-a" "b0b5605d5dd6dda086d7a0cfb378ecc53bd3a0b1caf440b187af934d515c41f0", kill_on_drop: false }` [INFO] [stderr] Compiling futures v0.1.31 [INFO] [stderr] Compiling sink-splitter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:102:19 [INFO] [stdout] | [INFO] [stdout] 102 | for (key, mut sink) in &mut self.inner.borrow_mut().sinks { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(unused_mut)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:133:19 [INFO] [stdout] | [INFO] [stdout] 133 | for (key, mut sink) in &mut self.inner.borrow_mut().sinks { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.13s [INFO] running `Command { std: "docker" "inspect" "b0b5605d5dd6dda086d7a0cfb378ecc53bd3a0b1caf440b187af934d515c41f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0b5605d5dd6dda086d7a0cfb378ecc53bd3a0b1caf440b187af934d515c41f0", kill_on_drop: false }` [INFO] [stdout] b0b5605d5dd6dda086d7a0cfb378ecc53bd3a0b1caf440b187af934d515c41f0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 13c32caa2ca985e374eba26c27e2a697ae3d1e921d3fe0cad5a3e570af817fec [INFO] running `Command { std: "docker" "start" "-a" "13c32caa2ca985e374eba26c27e2a697ae3d1e921d3fe0cad5a3e570af817fec", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling error-test-sinks v0.1.1 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:102:19 [INFO] [stdout] | [INFO] [stdout] 102 | for (key, mut sink) in &mut self.inner.borrow_mut().sinks { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(unused_mut)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:133:19 [INFO] [stdout] | [INFO] [stdout] 133 | for (key, mut sink) in &mut self.inner.borrow_mut().sinks { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling sink-splitter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:102:19 [INFO] [stdout] | [INFO] [stdout] 102 | for (key, mut sink) in &mut self.inner.borrow_mut().sinks { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(unused_mut)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:133:19 [INFO] [stdout] | [INFO] [stdout] 133 | for (key, mut sink) in &mut self.inner.borrow_mut().sinks { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.78s [INFO] running `Command { std: "docker" "inspect" "13c32caa2ca985e374eba26c27e2a697ae3d1e921d3fe0cad5a3e570af817fec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13c32caa2ca985e374eba26c27e2a697ae3d1e921d3fe0cad5a3e570af817fec", kill_on_drop: false }` [INFO] [stdout] 13c32caa2ca985e374eba26c27e2a697ae3d1e921d3fe0cad5a3e570af817fec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3ed05884ba46a6c4de8f422c221e1d8bf6b3027d609e5ee15256c46ea48a39fb [INFO] running `Command { std: "docker" "start" "-a" "3ed05884ba46a6c4de8f422c221e1d8bf6b3027d609e5ee15256c46ea48a39fb", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:102:19 [INFO] [stderr] | [INFO] [stderr] 102 | for (key, mut sink) in &mut self.inner.borrow_mut().sinks { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/lib.rs:1:9 [INFO] [stderr] | [INFO] [stderr] 1 | #![deny(warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: `#[warn(unused_mut)]` implied by `#[warn(warnings)]` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:133:19 [INFO] [stderr] | [INFO] [stderr] 133 | for (key, mut sink) in &mut self.inner.borrow_mut().sinks { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `sink-splitter` (lib) generated 2 warnings [INFO] [stderr] warning: `sink-splitter` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/sink_splitter-5a582f59e9f18c07) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test test::basic ... ok [INFO] [stdout] test test::test_error_output_sink_close ... ok [INFO] [stdout] test test::test_error_output_sink_poll_complete ... ok [INFO] [stdout] test test::test_error_output_sink_does_not_exist ... ok [INFO] [stdout] test test::test_error_output_sink_start_send ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests sink-splitter [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 9) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.68s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3ed05884ba46a6c4de8f422c221e1d8bf6b3027d609e5ee15256c46ea48a39fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ed05884ba46a6c4de8f422c221e1d8bf6b3027d609e5ee15256c46ea48a39fb", kill_on_drop: false }` [INFO] [stdout] 3ed05884ba46a6c4de8f422c221e1d8bf6b3027d609e5ee15256c46ea48a39fb