[INFO] fetching crate im 13.0.0... [INFO] checking im-13.0.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] extracting crate im 13.0.0 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate im 13.0.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate im 13.0.0 [INFO] finished tweaking crates.io crate im 13.0.0 [INFO] tweaked toml for crates.io crate im 13.0.0 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 62517271b6e28f6a8464f6ae8608b248579fc2f418c5e1d99fa02610aec3c95d [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" "62517271b6e28f6a8464f6ae8608b248579fc2f418c5e1d99fa02610aec3c95d"` [INFO] [stderr] Compiling bindgen v0.50.1 [INFO] [stderr] Checking metrohash v1.0.6 [INFO] [stderr] Checking line-wrap v0.1.1 [INFO] [stderr] Compiling im v13.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking sized-chunks v0.3.1 [INFO] [stderr] Compiling proptest-derive v0.1.2 [INFO] [stderr] Checking proptest v0.9.4 [INFO] [stderr] Checking plist v0.4.2 [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/nodes/btree.rs:575:21 [INFO] [stderr] | [INFO] [stderr] 575 | let mut value; [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/nodes/btree.rs:616:21 [INFO] [stderr] | [INFO] [stderr] 616 | let mut out_value; [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/nodes/btree.rs:662:21 [INFO] [stderr] | [INFO] [stderr] 662 | let mut out_value; [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/nodes/btree.rs:714:21 [INFO] [stderr] | [INFO] [stderr] 714 | let mut update; [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/nodes/btree.rs:715:21 [INFO] [stderr] | [INFO] [stderr] 715 | let mut out_value; [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/nodes/btree.rs:740:21 [INFO] [stderr] | [INFO] [stderr] 740 | let mut out_value; [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Compiling onig_sys v69.2.0 [INFO] [stderr] Checking onig v5.0.0 [INFO] [stderr] Checking syntect v3.3.0 [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/nodes/btree.rs:575:21 [INFO] [stderr] | [INFO] [stderr] 575 | let mut value; [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/nodes/btree.rs:616:21 [INFO] [stderr] | [INFO] [stderr] 616 | let mut out_value; [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/nodes/btree.rs:662:21 [INFO] [stderr] | [INFO] [stderr] 662 | let mut out_value; [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/nodes/btree.rs:714:21 [INFO] [stderr] | [INFO] [stderr] 714 | let mut update; [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/nodes/btree.rs:715:21 [INFO] [stderr] | [INFO] [stderr] 715 | let mut out_value; [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/nodes/btree.rs:740:21 [INFO] [stderr] | [INFO] [stderr] 740 | let mut out_value; [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 51.01s [INFO] running `"docker" "inspect" "62517271b6e28f6a8464f6ae8608b248579fc2f418c5e1d99fa02610aec3c95d"` [INFO] running `"docker" "rm" "-f" "62517271b6e28f6a8464f6ae8608b248579fc2f418c5e1d99fa02610aec3c95d"` [INFO] [stdout] 62517271b6e28f6a8464f6ae8608b248579fc2f418c5e1d99fa02610aec3c95d