[INFO] fetching crate hibitgraph 0.1.0... [INFO] checking hibitgraph-0.1.0 against try#71b81291baafb8a58836272757b28817fe1d8190 for pr-73102 [INFO] extracting crate hibitgraph 0.1.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate hibitgraph 0.1.0 on toolchain 71b81291baafb8a58836272757b28817fe1d8190 [INFO] running `"/workspace/cargo-home/bin/cargo" "+71b81291baafb8a58836272757b28817fe1d8190" "read-manifest" "--manifest-path" "Cargo.toml"` [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-7/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+71b81291baafb8a58836272757b28817fe1d8190" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+71b81291baafb8a58836272757b28817fe1d8190" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+71b81291baafb8a58836272757b28817fe1d8190" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5845b9a2bc24fa722a409f9ec7cec7aaccbcbba64b272256f27a0168cd2ef976 [INFO] running `"docker" "start" "-a" "5845b9a2bc24fa722a409f9ec7cec7aaccbcbba64b272256f27a0168cd2ef976"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking atom v0.3.5 [INFO] [stderr] Checking bit-vec v0.4.4 [INFO] [stderr] Checking oorandom v11.1.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking serde_json v1.0.55 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking bit-set v0.4.0 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Compiling syn v1.0.31 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking criterion-plot v0.4.2 [INFO] [stderr] Checking tinytemplate v1.1.0 [INFO] [stderr] Checking plotters v0.2.15 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking hibitset v0.6.3 [INFO] [stderr] Checking hibitgraph v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: value assigned to `r` is never read [INFO] [stderr] --> src/lib.rs:246:17 [INFO] [stderr] | [INFO] [stderr] 246 | let mut r = None; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Compiling serde_derive v1.0.111 [INFO] [stderr] Checking criterion v0.3.2 [INFO] [stderr] warning: unused import: `DfsIterator` [INFO] [stderr] --> src/lib.rs:268:27 [INFO] [stderr] | [INFO] [stderr] 268 | use super::{BitGraph, DfsIterator}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `r` is never read [INFO] [stderr] --> src/lib.rs:246:17 [INFO] [stderr] | [INFO] [stderr] 246 | let mut r = None; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/lib.rs:287:13 [INFO] [stderr] | [INFO] [stderr] 287 | for i in 0..capacity { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:274:13 [INFO] [stderr] | [INFO] [stderr] 274 | let mut c = BitGraph::with_capacity(capacity as u32); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:283:13 [INFO] [stderr] | [INFO] [stderr] 283 | let mut c = BitGraph::complete(capacity as u32); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 51.58s [INFO] running `"docker" "inspect" "5845b9a2bc24fa722a409f9ec7cec7aaccbcbba64b272256f27a0168cd2ef976"` [INFO] running `"docker" "rm" "-f" "5845b9a2bc24fa722a409f9ec7cec7aaccbcbba64b272256f27a0168cd2ef976"` [INFO] [stdout] 5845b9a2bc24fa722a409f9ec7cec7aaccbcbba64b272256f27a0168cd2ef976