[INFO] cloning repository https://github.com/rgwava/rust_hw4 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rgwava/rust_hw4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frgwava%2Frust_hw4", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frgwava%2Frust_hw4'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0c40d952f162bfbdc77c627b8ee6e1a9226a7206 [INFO] testing rgwava/rust_hw4 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frgwava%2Frust_hw4" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/rgwava/rust_hw4 [INFO] finished tweaking git repo https://github.com/rgwava/rust_hw4 [INFO] tweaked toml for git repo https://github.com/rgwava/rust_hw4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/rgwava/rust_hw4 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/rgwava/rust_hw4 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded hermit-abi v0.3.2 [INFO] [stderr] Downloaded value-bag v1.4.1 [INFO] [stderr] Downloaded atomic-waker v1.1.1 [INFO] [stderr] Downloaded blocking v1.3.1 [INFO] [stderr] Downloaded syn v2.0.31 [INFO] [stderr] Downloaded rustix v0.37.23 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9f606ac6b4816d1ddb1d3e1dea7de4a93a5ad1d2f971850db9940c777caf4b81 [INFO] running `Command { std: "docker" "start" "-a" "9f606ac6b4816d1ddb1d3e1dea7de4a93a5ad1d2f971850db9940c777caf4b81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9f606ac6b4816d1ddb1d3e1dea7de4a93a5ad1d2f971850db9940c777caf4b81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f606ac6b4816d1ddb1d3e1dea7de4a93a5ad1d2f971850db9940c777caf4b81", kill_on_drop: false }` [INFO] [stdout] 9f606ac6b4816d1ddb1d3e1dea7de4a93a5ad1d2f971850db9940c777caf4b81 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ff78d0f54740bc9c405568138e1c9fc5eac1825489596bb58a36a811e84495bb [INFO] running `Command { std: "docker" "start" "-a" "ff78d0f54740bc9c405568138e1c9fc5eac1825489596bb58a36a811e84495bb", kill_on_drop: false }` [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling memchr v2.6.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling pin-project-lite v0.2.13 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling futures-io v0.3.28 [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling value-bag v1.4.1 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling log v0.4.20 [INFO] [stderr] Compiling waker-fn v1.1.0 [INFO] [stderr] Compiling parking v2.1.0 [INFO] [stderr] Compiling polling v2.8.0 [INFO] [stderr] Compiling rustix v0.37.23 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling async-io v1.13.0 [INFO] [stderr] Compiling async-task v4.4.0 [INFO] [stderr] Compiling futures-sink v0.3.28 [INFO] [stderr] Compiling concurrent-queue v2.2.0 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Compiling atomic-waker v1.1.1 [INFO] [stderr] Compiling once_cell v1.18.0 [INFO] [stderr] Compiling futures-lite v1.13.0 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.31 [INFO] [stderr] Compiling socket2 v0.4.9 [INFO] [stderr] Compiling async-channel v1.9.0 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling scoped-tls v1.0.1 [INFO] [stderr] Compiling blocking v1.3.1 [INFO] [stderr] Compiling async-executor v1.5.1 [INFO] [stderr] Compiling async-global-executor v2.3.1 [INFO] [stderr] Compiling async-std v1.12.0 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling futures-executor v0.3.28 [INFO] [stderr] Compiling futures v0.3.28 [INFO] [stderr] Compiling runtime v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::task::RawWaker` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::task::RawWaker; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::task::RawWakerVTable` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::task::RawWakerVTable; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Demo` is never constructed [INFO] [stdout] --> src/main.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | struct Demo; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.60s [INFO] running `Command { std: "docker" "inspect" "ff78d0f54740bc9c405568138e1c9fc5eac1825489596bb58a36a811e84495bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff78d0f54740bc9c405568138e1c9fc5eac1825489596bb58a36a811e84495bb", kill_on_drop: false }` [INFO] [stdout] ff78d0f54740bc9c405568138e1c9fc5eac1825489596bb58a36a811e84495bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b64da386d8be2a3115fcc4393da0a7fdfc1ab38436eb18e1dc76967d180bfb7a [INFO] running `Command { std: "docker" "start" "-a" "b64da386d8be2a3115fcc4393da0a7fdfc1ab38436eb18e1dc76967d180bfb7a", kill_on_drop: false }` [INFO] [stderr] Compiling runtime v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::task::RawWaker` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::task::RawWaker; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::task::RawWakerVTable` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::task::RawWakerVTable; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Demo` is never constructed [INFO] [stdout] --> src/main.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | struct Demo; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s [INFO] running `Command { std: "docker" "inspect" "b64da386d8be2a3115fcc4393da0a7fdfc1ab38436eb18e1dc76967d180bfb7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b64da386d8be2a3115fcc4393da0a7fdfc1ab38436eb18e1dc76967d180bfb7a", kill_on_drop: false }` [INFO] [stdout] b64da386d8be2a3115fcc4393da0a7fdfc1ab38436eb18e1dc76967d180bfb7a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 539ee6e77a000a9f73761c2ae1d5141fae77369e03e8af0a99b2ab1181fbfebe [INFO] running `Command { std: "docker" "start" "-a" "539ee6e77a000a9f73761c2ae1d5141fae77369e03e8af0a99b2ab1181fbfebe", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::task::RawWaker` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::task::RawWaker; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::task::RawWakerVTable` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::task::RawWakerVTable; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Demo` is never constructed [INFO] [stderr] --> src/main.rs:20:8 [INFO] [stderr] | [INFO] [stderr] 20 | struct Demo; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `runtime` (bin "runtime" test) generated 4 warnings (run `cargo fix --bin "runtime" -p runtime --tests` to apply 3 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/runtime-1c4c14c4cfc848ec) [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" "539ee6e77a000a9f73761c2ae1d5141fae77369e03e8af0a99b2ab1181fbfebe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "539ee6e77a000a9f73761c2ae1d5141fae77369e03e8af0a99b2ab1181fbfebe", kill_on_drop: false }` [INFO] [stdout] 539ee6e77a000a9f73761c2ae1d5141fae77369e03e8af0a99b2ab1181fbfebe