[INFO] fetching crate aiur 0.0.2... [INFO] checking aiur-0.0.2 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] extracting crate aiur 0.0.2 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate aiur 0.0.2 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate aiur 0.0.2 [INFO] finished tweaking crates.io crate aiur 0.0.2 [INFO] tweaked toml for crates.io crate aiur 0.0.2 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate aiur 0.0.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e5ad16792edfeb0539704e0c3c930cb95aacb5c1045a78f7a9305eacbec8ef82 [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" "e5ad16792edfeb0539704e0c3c930cb95aacb5c1045a78f7a9305eacbec8ef82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e5ad16792edfeb0539704e0c3c930cb95aacb5c1045a78f7a9305eacbec8ef82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5ad16792edfeb0539704e0c3c930cb95aacb5c1045a78f7a9305eacbec8ef82", kill_on_drop: false }` [INFO] [stdout] e5ad16792edfeb0539704e0c3c930cb95aacb5c1045a78f7a9305eacbec8ef82 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-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" "RUSTUP_TOOLCHAIN=45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "-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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/tmp/crater-runner-fifo/jobserver-crater-fwd" "/opt/rustwide/cargo-home/bin/cargo" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 57050223027cfdf2050cd5a7e23e2493a3b690801621410607011046e5ff7d11 [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" "57050223027cfdf2050cd5a7e23e2493a3b690801621410607011046e5ff7d11", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking aiur v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/zerg_rush.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let mut result = state.clone(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/zerg_rush.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let mut state = State::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/bin/zerg_rush.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | let mut result = state.clone(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/bin/zerg_rush.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | for i in 0..state.drones { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Drone` [INFO] [stdout] --> src/bin/zerg_rush.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Drone { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `minerals` [INFO] [stdout] --> src/bin/zerg_rush.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | minerals: u32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Waker` [INFO] [stdout] --> tests/integration.rs:133:36 [INFO] [stdout] | [INFO] [stdout] 133 | use std::task::{Context, Poll, Waker}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> tests/integration.rs:307:17 [INFO] [stdout] | [INFO] [stdout] 307 | for i in 0..MAX_WIDTH { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `dec` [INFO] [stdout] --> tests/integration.rs:119:23 [INFO] [stdout] | [INFO] [stdout] 119 | pub(super) fn dec(&self) { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Poll` that must be used [INFO] [stdout] --> tests/integration.rs:160:13 [INFO] [stdout] | [INFO] [stdout] 160 | self.get_inner_future().poll(ctx); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Poll` may be a `Pending` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/zerg_rush.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let mut result = state.clone(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/zerg_rush.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let mut state = State::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/bin/zerg_rush.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | let mut result = state.clone(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/bin/zerg_rush.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | for i in 0..state.drones { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Drone` [INFO] [stdout] --> src/bin/zerg_rush.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Drone { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `minerals` [INFO] [stdout] --> src/bin/zerg_rush.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | minerals: u32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.00s [INFO] running `Command { std: "docker" "inspect" "57050223027cfdf2050cd5a7e23e2493a3b690801621410607011046e5ff7d11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57050223027cfdf2050cd5a7e23e2493a3b690801621410607011046e5ff7d11", kill_on_drop: false }` [INFO] [stdout] 57050223027cfdf2050cd5a7e23e2493a3b690801621410607011046e5ff7d11