[INFO] fetching crate immutable 0.1.1... [INFO] checking immutable-0.1.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] extracting crate immutable 0.1.1 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate immutable 0.1.1 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 crates.io crate immutable 0.1.1 [INFO] finished tweaking crates.io crate immutable 0.1.1 [INFO] tweaked toml for crates.io crate immutable 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 05ea03d26756b8d01d8c20c87932b95b75074cf736609c5d9e33cdf5ba1a2ffc [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" "05ea03d26756b8d01d8c20c87932b95b75074cf736609c5d9e33cdf5ba1a2ffc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "05ea03d26756b8d01d8c20c87932b95b75074cf736609c5d9e33cdf5ba1a2ffc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05ea03d26756b8d01d8c20c87932b95b75074cf736609c5d9e33cdf5ba1a2ffc", kill_on_drop: false }` [INFO] [stdout] 05ea03d26756b8d01d8c20c87932b95b75074cf736609c5d9e33cdf5ba1a2ffc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] a09858096e97a698b8c06af5d567f8a2051868c78a734f2be1ea99d054380a0b [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" "a09858096e97a698b8c06af5d567f8a2051868c78a734f2be1ea99d054380a0b", kill_on_drop: false }` [INFO] [stderr] Checking immutable v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::vec::IntoIter` [INFO] [stdout] --> src/list.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::vec::IntoIter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::vec::IntoIter` [INFO] [stdout] --> src/list.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::vec::IntoIter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused attribute [INFO] [stdout] --> src/list.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | #[macro_escape] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused attribute [INFO] [stdout] --> src/tree/binary_tree.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | #[macro_escape] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused attribute [INFO] [stdout] --> src/list.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | #[macro_escape] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused attribute [INFO] [stdout] --> src/tree/binary_tree.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | #[macro_escape] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.88s [INFO] running `Command { std: "docker" "inspect" "a09858096e97a698b8c06af5d567f8a2051868c78a734f2be1ea99d054380a0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a09858096e97a698b8c06af5d567f8a2051868c78a734f2be1ea99d054380a0b", kill_on_drop: false }` [INFO] [stdout] a09858096e97a698b8c06af5d567f8a2051868c78a734f2be1ea99d054380a0b