[INFO] cloning repository https://github.com/DogLi/mio_test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DogLi/mio_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDogLi%2Fmio_test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDogLi%2Fmio_test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b28a1ab7a10cf1da28f04d9ec2611c97ae424a85 [INFO] checking DogLi/mio_test against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDogLi%2Fmio_test" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DogLi/mio_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/DogLi/mio_test [INFO] finished tweaking git repo https://github.com/DogLi/mio_test [INFO] tweaked toml for git repo https://github.com/DogLi/mio_test written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/DogLi/mio_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 mio v0.6.10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 88a34027a1c477e833c7d322cd382658ecdba7603d9d1f7b24de62a418e7f180 [INFO] running `Command { std: "docker" "start" "-a" "88a34027a1c477e833c7d322cd382658ecdba7603d9d1f7b24de62a418e7f180", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "88a34027a1c477e833c7d322cd382658ecdba7603d9d1f7b24de62a418e7f180", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88a34027a1c477e833c7d322cd382658ecdba7603d9d1f7b24de62a418e7f180", kill_on_drop: false }` [INFO] [stdout] 88a34027a1c477e833c7d322cd382658ecdba7603d9d1f7b24de62a418e7f180 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] f6fc806c202a4b057576e3fbd32b054bdfe73a1f96de3a868bde5ce868f67b66 [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" "f6fc806c202a4b057576e3fbd32b054bdfe73a1f96de3a868bde5ce868f67b66", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.30 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking log v0.3.8 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking lazycell v0.5.1 [INFO] [stderr] Checking byteorder v0.3.13 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking net2 v0.2.31 [INFO] [stderr] Checking iovec v0.1.0 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking mio v0.6.10 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Checking mio_test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/client.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #[macro_use] extern crate log; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/client.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #[macro_use] extern crate log; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/client.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | Ok(n) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/client.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | Ok(n) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/connection.rs:153:9 [INFO] [stdout] | [INFO] [stdout] 153 | try!(self.send_queue.pop() [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/connection.rs:153:9 [INFO] [stdout] | [INFO] [stdout] 153 | try!(self.send_queue.pop() [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.54s [INFO] running `Command { std: "docker" "inspect" "f6fc806c202a4b057576e3fbd32b054bdfe73a1f96de3a868bde5ce868f67b66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6fc806c202a4b057576e3fbd32b054bdfe73a1f96de3a868bde5ce868f67b66", kill_on_drop: false }` [INFO] [stdout] f6fc806c202a4b057576e3fbd32b054bdfe73a1f96de3a868bde5ce868f67b66