[INFO] crate scailist 0.2.0 is already in cache
[INFO] checking scailist-0.2.0 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] extracting crate scailist 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate scailist 0.2.0 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate scailist 0.2.0
[INFO] finished tweaking crates.io crate scailist 0.2.0
[INFO] tweaked toml for crates.io crate scailist 0.2.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "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] da00db8fdcd261800a8c599af6dfe6e1be9e2d58edc5ac1b9c521bcdc1fdbef8
[INFO] running `"docker" "start" "-a" "da00db8fdcd261800a8c599af6dfe6e1be9e2d58edc5ac1b9c521bcdc1fdbef8"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking scailist v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking criterion-plot v0.4.0
[INFO] [stderr]     Checking criterion v0.3.0
[INFO] [stderr] warning: unused variable: `cursor`
[INFO] [stderr]    --> src/lib.rs:429:17
[INFO] [stderr]     |
[INFO] [stderr] 429 |         let mut cursor = 0;
[INFO] [stderr]     |                 ^^^^^^ help: consider prefixing with an underscore: `_cursor`
[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:429:13
[INFO] [stderr]     |
[INFO] [stderr] 429 |         let mut cursor = 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: function is never used: `setup_single`
[INFO] [stderr]    --> src/lib.rs:415:8
[INFO] [stderr]     |
[INFO] [stderr] 415 |     fn setup_single() -> ScAIList<u32> {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.94s
[INFO] running `"docker" "inspect" "da00db8fdcd261800a8c599af6dfe6e1be9e2d58edc5ac1b9c521bcdc1fdbef8"`
[INFO] running `"docker" "rm" "-f" "da00db8fdcd261800a8c599af6dfe6e1be9e2d58edc5ac1b9c521bcdc1fdbef8"`
[INFO] [stdout] da00db8fdcd261800a8c599af6dfe6e1be9e2d58edc5ac1b9c521bcdc1fdbef8