[INFO] crate linebuffer 0.1.2 is already in cache
[INFO] checking linebuffer-0.1.2 against master#6d69caba110c0c2fb90180df1cbc8be5033b91d4 for pr-69530
[INFO] extracting crate linebuffer 0.1.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate linebuffer 0.1.2 on toolchain 6d69caba110c0c2fb90180df1cbc8be5033b91d4
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate linebuffer 0.1.2
[INFO] finished tweaking crates.io crate linebuffer 0.1.2
[INFO] tweaked toml for crates.io crate linebuffer 0.1.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "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] 599f53660ba3f2604191dba45ce5e5a0bcfcf9a9928941b6dead71d0b8ceda76
[INFO] running `"docker" "start" "-a" "599f53660ba3f2604191dba45ce5e5a0bcfcf9a9928941b6dead71d0b8ceda76"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]     Checking linebuffer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]  --> tests/perf_simple.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::convert::TryInto;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `"docker" "inspect" "599f53660ba3f2604191dba45ce5e5a0bcfcf9a9928941b6dead71d0b8ceda76"`
[INFO] running `"docker" "rm" "-f" "599f53660ba3f2604191dba45ce5e5a0bcfcf9a9928941b6dead71d0b8ceda76"`
[INFO] [stdout] 599f53660ba3f2604191dba45ce5e5a0bcfcf9a9928941b6dead71d0b8ceda76