[INFO] cloning repository https://github.com/tawashichan/mini-runtime [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tawashichan/mini-runtime" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftawashichan%2Fmini-runtime", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftawashichan%2Fmini-runtime'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 976504fab4ab4e95eb798b9ceb2e9ff0330f62d9 [INFO] checking tawashichan/mini-runtime against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftawashichan%2Fmini-runtime" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tawashichan/mini-runtime on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tawashichan/mini-runtime [INFO] finished tweaking git repo https://github.com/tawashichan/mini-runtime [INFO] tweaked toml for git repo https://github.com/tawashichan/mini-runtime written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/tawashichan/mini-runtime already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures v0.3.4 [INFO] [stderr] Downloaded futures-channel v0.3.4 [INFO] [stderr] Downloaded futures-executor v0.3.4 [INFO] [stderr] Downloaded memchr v2.3.3 [INFO] [stderr] Downloaded libc v0.2.69 [INFO] [stderr] Downloaded futures-io v0.3.4 [INFO] [stderr] Downloaded futures-core v0.3.4 [INFO] [stderr] Downloaded miow v0.3.3 [INFO] [stderr] Downloaded futures-task v0.3.4 [INFO] [stderr] Downloaded ntapi v0.3.3 [INFO] [stderr] Downloaded proc-macro-hack v0.5.15 [INFO] [stderr] Downloaded mio v0.7.0 [INFO] [stderr] Downloaded pin-utils v0.1.0 [INFO] [stderr] Downloaded proc-macro-nested v0.1.4 [INFO] [stderr] Downloaded socket2 v0.3.12 [INFO] [stderr] Downloaded proc-macro2 v1.0.10 [INFO] [stderr] Downloaded quote v1.0.3 [INFO] [stderr] Downloaded syn v1.0.18 [INFO] [stderr] Downloaded futures-macro v0.3.4 [INFO] [stderr] Downloaded futures-sink v0.3.4 [INFO] [stderr] Downloaded futures-util v0.3.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a786a0dc92bd0aeeb903e0161c6a5c1d35e313c8daf0ceb146f83b22407429cd [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" "a786a0dc92bd0aeeb903e0161c6a5c1d35e313c8daf0ceb146f83b22407429cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a786a0dc92bd0aeeb903e0161c6a5c1d35e313c8daf0ceb146f83b22407429cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a786a0dc92bd0aeeb903e0161c6a5c1d35e313c8daf0ceb146f83b22407429cd", kill_on_drop: false }` [INFO] [stdout] a786a0dc92bd0aeeb903e0161c6a5c1d35e313c8daf0ceb146f83b22407429cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fa9615b508d779f2f5e3f5a6fa9d2863c94c60e75452ff2dae1e77dcff56c938 [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" "fa9615b508d779f2f5e3f5a6fa9d2863c94c60e75452ff2dae1e77dcff56c938", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Checking futures-core v0.3.4 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Checking futures-sink v0.3.4 [INFO] [stderr] Checking futures-io v0.3.4 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-task v0.3.4 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking futures-channel v0.3.4 [INFO] [stderr] Checking mio v0.7.0 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Checking futures-executor v0.3.4 [INFO] [stderr] Checking futures v0.3.4 [INFO] [stderr] Checking mini-runtime v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Arc`, `Mutex` [INFO] [stdout] --> src/lib.rs:8:17 [INFO] [stdout] | [INFO] [stdout] 8 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `Mutex` [INFO] [stdout] --> src/lib.rs:8:17 [INFO] [stdout] | [INFO] [stdout] 8 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:135:5 [INFO] [stdout] | [INFO] [stdout] 135 | REACTOR.with(|reactor| reactor.run(f)); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:183:9 [INFO] [stdout] | [INFO] [stdout] 183 | / self.poller [INFO] [stdout] 184 | | .borrow_mut() [INFO] [stdout] 185 | | .registry() [INFO] [stdout] 186 | | .register(source, token, interest); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:190:9 [INFO] [stdout] | [INFO] [stdout] 190 | self.poller.borrow_mut().registry().deregister(source); [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:135:5 [INFO] [stdout] | [INFO] [stdout] 135 | REACTOR.with(|reactor| reactor.run(f)); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:183:9 [INFO] [stdout] | [INFO] [stdout] 183 | / self.poller [INFO] [stdout] 184 | | .borrow_mut() [INFO] [stdout] 185 | | .registry() [INFO] [stdout] 186 | | .register(source, token, interest); [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 `std::result::Result` that must be used [INFO] [stdout] --> src/lib.rs:190:9 [INFO] [stdout] | [INFO] [stdout] 190 | self.poller.borrow_mut().registry().deregister(source); [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 34.36s [INFO] running `Command { std: "docker" "inspect" "fa9615b508d779f2f5e3f5a6fa9d2863c94c60e75452ff2dae1e77dcff56c938", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa9615b508d779f2f5e3f5a6fa9d2863c94c60e75452ff2dae1e77dcff56c938", kill_on_drop: false }` [INFO] [stdout] fa9615b508d779f2f5e3f5a6fa9d2863c94c60e75452ff2dae1e77dcff56c938