[INFO] fetching crate hibitgraph 0.1.0... [INFO] checking hibitgraph-0.1.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141 [INFO] extracting crate hibitgraph 0.1.0 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate hibitgraph 0.1.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate hibitgraph 0.1.0 [INFO] finished tweaking crates.io crate hibitgraph 0.1.0 [INFO] tweaked toml for crates.io crate hibitgraph 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a624cf7a2501463275112512c305e5a1a270b3675dcabbb0bb18b959f2398b52 [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" "a624cf7a2501463275112512c305e5a1a270b3675dcabbb0bb18b959f2398b52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a624cf7a2501463275112512c305e5a1a270b3675dcabbb0bb18b959f2398b52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a624cf7a2501463275112512c305e5a1a270b3675dcabbb0bb18b959f2398b52", kill_on_drop: false }` [INFO] [stdout] a624cf7a2501463275112512c305e5a1a270b3675dcabbb0bb18b959f2398b52 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] e3f9d366362fb9671c3d7d5aa98cc1e1afa69247a42b03f9bbdaad90c8ba6bed [INFO] running `Command { std: "docker" "start" "-a" "e3f9d366362fb9671c3d7d5aa98cc1e1afa69247a42b03f9bbdaad90c8ba6bed", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking atom v0.3.6 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking bit-set v0.4.0 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking serde_json v1.0.72 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stderr] Checking hibitset v0.6.3 [INFO] [stderr] Checking hibitgraph v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `r` is never read [INFO] [stdout] --> src/lib.rs:246:21 [INFO] [stdout] | [INFO] [stdout] 246 | let mut r = None; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stdout] warning: unused import: `DfsIterator` [INFO] [stdout] --> src/lib.rs:268:27 [INFO] [stdout] | [INFO] [stdout] 268 | use super::{BitGraph, DfsIterator}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `r` is never read [INFO] [stdout] --> src/lib.rs:246:21 [INFO] [stdout] | [INFO] [stdout] 246 | let mut r = None; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:287:13 [INFO] [stdout] | [INFO] [stdout] 287 | for i in 0..capacity { [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: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:274:13 [INFO] [stdout] | [INFO] [stdout] 274 | let mut c = BitGraph::with_capacity(capacity as u32); [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/lib.rs:283:13 [INFO] [stdout] | [INFO] [stdout] 283 | let mut c = BitGraph::complete(capacity as u32); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 41.15s [INFO] running `Command { std: "docker" "inspect" "e3f9d366362fb9671c3d7d5aa98cc1e1afa69247a42b03f9bbdaad90c8ba6bed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3f9d366362fb9671c3d7d5aa98cc1e1afa69247a42b03f9bbdaad90c8ba6bed", kill_on_drop: false }` [INFO] [stdout] e3f9d366362fb9671c3d7d5aa98cc1e1afa69247a42b03f9bbdaad90c8ba6bed