[INFO] fetching crate byte_buffer 0.1.2...
[INFO] checking byte_buffer-0.1.2 against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] extracting crate byte_buffer 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate byte_buffer 0.1.2 on toolchain 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate byte_buffer 0.1.2
[INFO] finished tweaking crates.io crate byte_buffer 0.1.2
[INFO] tweaked toml for crates.io crate byte_buffer 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate byte_buffer 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbbef2e9ab59320f0ff87656265192541b227657138152a6ba022417b9bd81fd
[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" "dbbef2e9ab59320f0ff87656265192541b227657138152a6ba022417b9bd81fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbbef2e9ab59320f0ff87656265192541b227657138152a6ba022417b9bd81fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbbef2e9ab59320f0ff87656265192541b227657138152a6ba022417b9bd81fd", kill_on_drop: false }`
[INFO] [stdout] dbbef2e9ab59320f0ff87656265192541b227657138152a6ba022417b9bd81fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5b36a6503f6c84e8d2ebdcad4da0fecf8c7a862dcf372e562859a4ec17ab5c3
[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" "d5b36a6503f6c84e8d2ebdcad4da0fecf8c7a862dcf372e562859a4ec17ab5c3", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking byte_buffer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/lock.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         atomic::spin_loop_hint()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/lock.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         atomic::spin_loop_hint()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "d5b36a6503f6c84e8d2ebdcad4da0fecf8c7a862dcf372e562859a4ec17ab5c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5b36a6503f6c84e8d2ebdcad4da0fecf8c7a862dcf372e562859a4ec17ab5c3", kill_on_drop: false }`
[INFO] [stdout] d5b36a6503f6c84e8d2ebdcad4da0fecf8c7a862dcf372e562859a4ec17ab5c3