[INFO] fetching crate sink-splitter 0.1.0... [INFO] testing sink-splitter-0.1.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate sink-splitter 0.1.0 into /workspace/builds/worker-103/source [INFO] validating manifest of crates.io crate sink-splitter 0.1.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-103/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded error-test-sinks v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3de6e42c77ab79a1452d88c1c108030d0120793e3bc718b20f5e81d6a1dfb056 [INFO] running `Command { std: "docker" "start" "-a" "3de6e42c77ab79a1452d88c1c108030d0120793e3bc718b20f5e81d6a1dfb056", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3de6e42c77ab79a1452d88c1c108030d0120793e3bc718b20f5e81d6a1dfb056", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3de6e42c77ab79a1452d88c1c108030d0120793e3bc718b20f5e81d6a1dfb056", kill_on_drop: false }` [INFO] [stdout] 3de6e42c77ab79a1452d88c1c108030d0120793e3bc718b20f5e81d6a1dfb056 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eaec58e4ae748bf896176d88001042a6201d4b5912489c46243b604b7c1162cc [INFO] running `Command { std: "docker" "start" "-a" "eaec58e4ae748bf896176d88001042a6201d4b5912489c46243b604b7c1162cc", 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 2.54s [INFO] running `Command { std: "docker" "inspect" "eaec58e4ae748bf896176d88001042a6201d4b5912489c46243b604b7c1162cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eaec58e4ae748bf896176d88001042a6201d4b5912489c46243b604b7c1162cc", kill_on_drop: false }` [INFO] [stdout] eaec58e4ae748bf896176d88001042a6201d4b5912489c46243b604b7c1162cc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 86f89a2e3467388dcdc37c3508c530d0901aafa609b96c3102f2036b9aaa0de5 [INFO] running `Command { std: "docker" "start" "-a" "86f89a2e3467388dcdc37c3508c530d0901aafa609b96c3102f2036b9aaa0de5", kill_on_drop: false }` [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 1.29s [INFO] running `Command { std: "docker" "inspect" "86f89a2e3467388dcdc37c3508c530d0901aafa609b96c3102f2036b9aaa0de5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86f89a2e3467388dcdc37c3508c530d0901aafa609b96c3102f2036b9aaa0de5", kill_on_drop: false }` [INFO] [stdout] 86f89a2e3467388dcdc37c3508c530d0901aafa609b96c3102f2036b9aaa0de5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ffac1dce0dbc336253cf53c202601d7295f775764aeb4d7e58c1d1d5bf2f87b7 [INFO] running `Command { std: "docker" "start" "-a" "ffac1dce0dbc336253cf53c202601d7295f775764aeb4d7e58c1d1d5bf2f87b7", 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-f705ee0c391686a1) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test test::basic ... ok [INFO] [stdout] test test::test_error_output_sink_does_not_exist ... ok [INFO] [stdout] test test::test_error_output_sink_close ... ok [INFO] [stdout] test test::test_error_output_sink_start_send ... ok [INFO] [stdout] test test::test_error_output_sink_poll_complete ... 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 0.69s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ffac1dce0dbc336253cf53c202601d7295f775764aeb4d7e58c1d1d5bf2f87b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffac1dce0dbc336253cf53c202601d7295f775764aeb4d7e58c1d1d5bf2f87b7", kill_on_drop: false }` [INFO] [stdout] ffac1dce0dbc336253cf53c202601d7295f775764aeb4d7e58c1d1d5bf2f87b7