[INFO] fetching crate mio-misc 1.2.1... [INFO] testing mio-misc-1.2.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] extracting crate mio-misc 1.2.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate mio-misc 1.2.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mio-misc 1.2.1 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate mio-misc 1.2.1 [INFO] tweaked toml for crates.io crate mio-misc 1.2.1 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c2ace04037a9d613cca9ae8d398758a44d66cf7ca24551ec0c680d651b5fe3c9 [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" "c2ace04037a9d613cca9ae8d398758a44d66cf7ca24551ec0c680d651b5fe3c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c2ace04037a9d613cca9ae8d398758a44d66cf7ca24551ec0c680d651b5fe3c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2ace04037a9d613cca9ae8d398758a44d66cf7ca24551ec0c680d651b5fe3c9", kill_on_drop: false }` [INFO] [stdout] c2ace04037a9d613cca9ae8d398758a44d66cf7ca24551ec0c680d651b5fe3c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 01709f2470f101cf63d21b4f9846cb8b6f52c358fa8a41b64619caa823014b58 [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" "01709f2470f101cf63d21b4f9846cb8b6f52c358fa8a41b64619caa823014b58", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling crossbeam-queue v0.3.2 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling mio v0.7.14 [INFO] [stderr] Compiling crossbeam v0.8.1 [INFO] [stderr] Compiling mio-misc v1.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.72s [INFO] running `Command { std: "docker" "inspect" "01709f2470f101cf63d21b4f9846cb8b6f52c358fa8a41b64619caa823014b58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01709f2470f101cf63d21b4f9846cb8b6f52c358fa8a41b64619caa823014b58", kill_on_drop: false }` [INFO] [stdout] 01709f2470f101cf63d21b4f9846cb8b6f52c358fa8a41b64619caa823014b58 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dba5493f230e56075cd9692047607ada2ea808f2de4f8baaccf89359ade12874 [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" "dba5493f230e56075cd9692047607ada2ea808f2de4f8baaccf89359ade12874", kill_on_drop: false }` [INFO] [stderr] Compiling ppv-lite86 v0.2.15 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling mio-misc v1.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> test/test_poll_channel.rs:100:32 [INFO] [stdout] | [INFO] [stdout] 100 | assert!(events.is_empty(), NO_EVENTS_TEXT); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 100 | assert!(events.is_empty(), "{}", NO_EVENTS_TEXT); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> test/test_poll_channel.rs:117:32 [INFO] [stdout] | [INFO] [stdout] 117 | assert!(events.is_empty(), NO_EVENTS_TEXT); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 117 | assert!(events.is_empty(), "{}", NO_EVENTS_TEXT); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> test/test_poll_channel.rs:125:32 [INFO] [stdout] | [INFO] [stdout] 125 | assert!(events.is_empty(), NO_EVENTS_TEXT); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 125 | assert!(events.is_empty(), "{}", NO_EVENTS_TEXT); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> test/test_poll_channel.rs:132:33 [INFO] [stdout] | [INFO] [stdout] 132 | assert!(!events.is_empty(), EVENTS_EXIST_TEXT); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 132 | assert!(!events.is_empty(), "{}", EVENTS_EXIST_TEXT); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> test/test_poll_channel.rs:160:32 [INFO] [stdout] | [INFO] [stdout] 160 | assert!(events.is_empty(), NO_EVENTS_TEXT); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 160 | assert!(events.is_empty(), "{}", NO_EVENTS_TEXT); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> test/test_poll_channel.rs:177:32 [INFO] [stdout] | [INFO] [stdout] 177 | assert!(events.is_empty(), NO_EVENTS_TEXT); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 177 | assert!(events.is_empty(), "{}", NO_EVENTS_TEXT); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> test/test_poll_channel.rs:185:32 [INFO] [stdout] | [INFO] [stdout] 185 | assert!(events.is_empty(), NO_EVENTS_TEXT); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 185 | assert!(events.is_empty(), "{}", NO_EVENTS_TEXT); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> test/test_poll_channel.rs:192:33 [INFO] [stdout] | [INFO] [stdout] 192 | assert!(!events.is_empty(), EVENTS_EXIST_TEXT); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 192 | assert!(!events.is_empty(), "{}", EVENTS_EXIST_TEXT); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> test/test_poll_channel.rs:250:32 [INFO] [stdout] | [INFO] [stdout] 250 | assert!(events.is_empty(), NO_EVENTS_TEXT); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 250 | assert!(events.is_empty(), "{}", NO_EVENTS_TEXT); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 6.86s [INFO] running `Command { std: "docker" "inspect" "dba5493f230e56075cd9692047607ada2ea808f2de4f8baaccf89359ade12874", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dba5493f230e56075cd9692047607ada2ea808f2de4f8baaccf89359ade12874", kill_on_drop: false }` [INFO] [stdout] dba5493f230e56075cd9692047607ada2ea808f2de4f8baaccf89359ade12874 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a24f311044f166df4536b0c03741c4c75ad1a999e7c402eb8e3b4d116e901c4b [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" "a24f311044f166df4536b0c03741c4c75ad1a999e7c402eb8e3b4d116e901c4b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stdout] running 0 tests [INFO] [stderr] --> test/test_poll_channel.rs:100:32 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 100 | assert!(events.is_empty(), NO_EVENTS_TEXT); [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] running 13 tests [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 100 | assert!(events.is_empty(), "{}", NO_EVENTS_TEXT); [INFO] [stderr] | +++++ [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> test/test_poll_channel.rs:117:32 [INFO] [stderr] | [INFO] [stderr] 117 | assert!(events.is_empty(), NO_EVENTS_TEXT); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 117 | assert!(events.is_empty(), "{}", NO_EVENTS_TEXT); [INFO] [stderr] | +++++ [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> test/test_poll_channel.rs:125:32 [INFO] [stderr] | [INFO] [stderr] 125 | assert!(events.is_empty(), NO_EVENTS_TEXT); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 125 | assert!(events.is_empty(), "{}", NO_EVENTS_TEXT); [INFO] [stderr] | +++++ [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> test/test_poll_channel.rs:132:33 [INFO] [stderr] | [INFO] [stderr] 132 | assert!(!events.is_empty(), EVENTS_EXIST_TEXT); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 132 | assert!(!events.is_empty(), "{}", EVENTS_EXIST_TEXT); [INFO] [stderr] | +++++ [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> test/test_poll_channel.rs:160:32 [INFO] [stderr] | [INFO] [stderr] 160 | assert!(events.is_empty(), NO_EVENTS_TEXT); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 160 | assert!(events.is_empty(), "{}", NO_EVENTS_TEXT); [INFO] [stderr] | +++++ [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> test/test_poll_channel.rs:177:32 [INFO] [stderr] | [INFO] [stderr] 177 | assert!(events.is_empty(), NO_EVENTS_TEXT); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 177 | assert!(events.is_empty(), "{}", NO_EVENTS_TEXT); [INFO] [stderr] | +++++ [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> test/test_poll_channel.rs:185:32 [INFO] [stderr] | [INFO] [stderr] 185 | assert!(events.is_empty(), NO_EVENTS_TEXT); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 185 | assert!(events.is_empty(), "{}", NO_EVENTS_TEXT); [INFO] [stderr] | +++++ [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> test/test_poll_channel.rs:192:33 [INFO] [stderr] | [INFO] [stderr] 192 | assert!(!events.is_empty(), EVENTS_EXIST_TEXT); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 192 | assert!(!events.is_empty(), "{}", EVENTS_EXIST_TEXT); [INFO] [stderr] | +++++ [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> test/test_poll_channel.rs:250:32 [INFO] [stderr] | [INFO] [stderr] 250 | assert!(events.is_empty(), NO_EVENTS_TEXT); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 250 | assert!(events.is_empty(), "{}", NO_EVENTS_TEXT); [INFO] [stderr] | +++++ [INFO] [stderr] [INFO] [stderr] warning: `mio-misc` (test "test") generated 9 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mio_misc-7e5daca5dbf32a8e) [INFO] [stderr] Running test/mod.rs (/opt/rustwide/target/debug/deps/test-6046287c4469d9b7) [INFO] [stdout] test test_scheduler::test_notification_scheduler ... ok [INFO] [stdout] test test_scheduler::test_scheduler_with_fixed_interval ... ok [INFO] [stdout] test test_scheduler::test_scheduler_one_time_cancel ... ok [INFO] [stdout] test test_poll_channel::test_mixing_channel_with_socket ... ok [INFO] [stdout] test test_poll_channel::test_dropping_receive_before_poll ... ok [INFO] [stdout] test test_scheduler::test_scheduler_one_time ... ok [INFO] [stdout] test test_scheduler::test_scheduler_with_fixed_interval_cancel ... ok [INFO] [stdout] test test_poll_channel::test_poll_channel_crossbeam ... ok [INFO] [stdout] test test_poll_channel::test_poll_channel ... ok [INFO] [stdout] test test_poll_channel::test_sending_from_other_thread_while_polling ... ok [INFO] [stdout] test test_poll_channel::test_poll ... ok [INFO] [stderr] Doc-tests mio-misc [INFO] [stdout] test test_scheduler::stress_test_execution ... ok [INFO] [stdout] test test_scheduler::stress_test_execution_with_multiple_threads ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 25.01s [INFO] [stdout] [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" "a24f311044f166df4536b0c03741c4c75ad1a999e7c402eb8e3b4d116e901c4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a24f311044f166df4536b0c03741c4c75ad1a999e7c402eb8e3b4d116e901c4b", kill_on_drop: false }` [INFO] [stdout] a24f311044f166df4536b0c03741c4c75ad1a999e7c402eb8e3b4d116e901c4b