[INFO] fetching crate xgboost 0.1.4... [INFO] checking xgboost-0.1.4 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035 [INFO] extracting crate xgboost 0.1.4 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate xgboost 0.1.4 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate xgboost 0.1.4 [INFO] finished tweaking crates.io crate xgboost 0.1.4 [INFO] tweaked toml for crates.io crate xgboost 0.1.4 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8c6d0c8fabdb0b4b04b619d760311f5428cab03786da6346e831e1e9df016c08 [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" "8c6d0c8fabdb0b4b04b619d760311f5428cab03786da6346e831e1e9df016c08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8c6d0c8fabdb0b4b04b619d760311f5428cab03786da6346e831e1e9df016c08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c6d0c8fabdb0b4b04b619d760311f5428cab03786da6346e831e1e9df016c08", kill_on_drop: false }` [INFO] [stdout] 8c6d0c8fabdb0b4b04b619d760311f5428cab03786da6346e831e1e9df016c08 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2a257da1f5fc253b7396f60e06e2940c42cde38c287804fc7ade64dd288b339b [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" "2a257da1f5fc253b7396f60e06e2940c42cde38c287804fc7ade64dd288b339b", 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] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling ucd-util v0.1.8 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling regex-syntax v0.6.21 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling bindgen v0.36.1 [INFO] [stderr] Compiling utf8-ranges v1.0.4 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling proc-macro2 v0.3.5 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Compiling clang-sys v0.22.0 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling which v1.0.5 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling nom v3.2.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling derive_builder_core v0.2.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling derive_builder v0.5.1 [INFO] [stderr] Compiling cexpr v0.2.3 [INFO] [stderr] Compiling regex v1.4.2 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling xgboost-sys v0.1.2 [INFO] [stderr] Checking xgboost v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/booster.rs:181:29 [INFO] [stdout] | [INFO] [stdout] 181 | let mut eval_results = dmat_eval_results.entry(eval_name.to_string()) [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/booster.rs:191:29 [INFO] [stdout] | [INFO] [stdout] 191 | let mut dmat_results = eval_dmat_results.entry(eval_name).or_insert_with(BTreeMap::new); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/booster.rs:551:25 [INFO] [stdout] | [INFO] [stdout] 551 | let mut metric_map = result.entry(evname.to_string()).or_insert_with(IndexMap::new); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/booster.rs:181:29 [INFO] [stdout] | [INFO] [stdout] 181 | let mut eval_results = dmat_eval_results.entry(eval_name.to_string()) [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/booster.rs:191:29 [INFO] [stdout] | [INFO] [stdout] 191 | let mut dmat_results = eval_dmat_results.entry(eval_name).or_insert_with(BTreeMap::new); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/booster.rs:551:25 [INFO] [stdout] | [INFO] [stdout] 551 | let mut metric_map = result.entry(evname.to_string()).or_insert_with(IndexMap::new); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/booster.rs:715:13 [INFO] [stdout] | [INFO] [stdout] 715 | let mut dir = tempfile::tempdir().expect("create temp dir"); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6m 40s [INFO] running `Command { std: "docker" "inspect" "2a257da1f5fc253b7396f60e06e2940c42cde38c287804fc7ade64dd288b339b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a257da1f5fc253b7396f60e06e2940c42cde38c287804fc7ade64dd288b339b", kill_on_drop: false }` [INFO] [stdout] 2a257da1f5fc253b7396f60e06e2940c42cde38c287804fc7ade64dd288b339b