[INFO] crate mqf 1.0.0 is already in cache [INFO] checking mqf-1.0.0 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] extracting crate mqf 1.0.0 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate mqf 1.0.0 on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate mqf 1.0.0 [INFO] finished tweaking crates.io crate mqf 1.0.0 [INFO] tweaked toml for crates.io crate mqf 1.0.0 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 6500665c5d1a64ba0e5b6c04cab88e1965a6baed05ef500d5d656a36b361b924 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "6500665c5d1a64ba0e5b6c04cab88e1965a6baed05ef500d5d656a36b361b924"` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling cc v1.0.52 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling bindgen v0.51.1 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling aho-corasick v0.7.10 [INFO] [stderr] Compiling cmake v0.1.42 [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling regex v1.3.7 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling cexpr v0.3.6 [INFO] [stderr] Compiling clang-sys v0.28.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Compiling mqf v1.0.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `maximum_count` [INFO] [stderr] --> src/raw.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 29 | let maximum_count = (1u64 << counter_size) - 1; [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_maximum_count` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `count` is never read [INFO] [stderr] --> src/raw.rs:30:13 [INFO] [stderr] | [INFO] [stderr] 30 | let mut count = 0; [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: value assigned to `count` is never read [INFO] [stderr] --> src/lib.rs:158:13 [INFO] [stderr] | [INFO] [stderr] 158 | let mut count = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:159:13 [INFO] [stderr] | [INFO] [stderr] 159 | let mut fixed_counter = 0; [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:189:13 [INFO] [stderr] | [INFO] [stderr] 189 | let mut count = qf.count_key(100); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:216:13 [INFO] [stderr] | [INFO] [stderr] 216 | let mut file = tempfile::NamedTempFile::new().unwrap(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/raw.rs:31:13 [INFO] [stderr] | [INFO] [stderr] 31 | let mut fixed_counter = 0; [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 59s [INFO] running `"docker" "inspect" "6500665c5d1a64ba0e5b6c04cab88e1965a6baed05ef500d5d656a36b361b924"` [INFO] running `"docker" "rm" "-f" "6500665c5d1a64ba0e5b6c04cab88e1965a6baed05ef500d5d656a36b361b924"` [INFO] [stdout] 6500665c5d1a64ba0e5b6c04cab88e1965a6baed05ef500d5d656a36b361b924