[INFO] fetching crate jh-x86_64 0.2.2...
[INFO] checking jh-x86_64-0.2.2 against try#075992eda207e1647b699c8c8ada67b32ce7b115 for pr-77271
[INFO] extracting crate jh-x86_64 0.2.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate jh-x86_64 0.2.2 on toolchain 075992eda207e1647b699c8c8ada67b32ce7b115
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jh-x86_64 0.2.2
[INFO] finished tweaking crates.io crate jh-x86_64 0.2.2
[INFO] tweaked toml for crates.io crate jh-x86_64 0.2.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-hack-impl v0.4.2
[INFO] [stderr]   Downloaded hex-literal-impl v0.1.2
[INFO] [stderr]   Downloaded proc-macro-hack v0.4.2
[INFO] [stderr]   Downloaded blobby v0.1.2
[INFO] [stderr]   Downloaded hex-literal v0.1.4
[INFO] [stderr]   Downloaded packed_simd v0.3.3
[INFO] [stderr]   Downloaded ppv-lite86 v0.1.2
[INFO] [stderr]   Downloaded crypto-simd v0.1.1
[INFO] [stderr]   Downloaded ppv-null v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fcc45d615f9ef41ebdb74a05373214d5e60cc79714db24234d52ec8b83e3fb4
[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" "4fcc45d615f9ef41ebdb74a05373214d5e60cc79714db24234d52ec8b83e3fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fcc45d615f9ef41ebdb74a05373214d5e60cc79714db24234d52ec8b83e3fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fcc45d615f9ef41ebdb74a05373214d5e60cc79714db24234d52ec8b83e3fb4", kill_on_drop: false }`
[INFO] [stdout] 4fcc45d615f9ef41ebdb74a05373214d5e60cc79714db24234d52ec8b83e3fb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 086cff359ddf502e9251c00a860c628e273bfc7236fcb688c6dd848cd4308901
[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" "086cff359ddf502e9251c00a860c628e273bfc7236fcb688c6dd848cd4308901", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.2
[INFO] [stderr]     Checking crypto-simd v0.1.1
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking typenum v1.12.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking ppv-null v0.1.2
[INFO] [stderr]     Checking ppv-lite86 v0.1.2
[INFO] [stderr]    Compiling proc-macro-hack v0.4.2
[INFO] [stderr]     Checking blobby v0.1.2
[INFO] [stderr]    Compiling hex-literal-impl v0.1.2
[INFO] [stderr]     Checking hex-literal v0.1.4
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking jh-x86_64 v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> src/compressor.rs:208:35
[INFO] [stdout]     |
[INFO] [stdout] 208 |             static ref IMPL: F8 = { select_impl() };
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> src/compressor.rs:208:35
[INFO] [stdout]     |
[INFO] [stdout] 208 |             static ref IMPL: F8 = { select_impl() };
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` 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 6.53s
[INFO] running `Command { std: "docker" "inspect" "086cff359ddf502e9251c00a860c628e273bfc7236fcb688c6dd848cd4308901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "086cff359ddf502e9251c00a860c628e273bfc7236fcb688c6dd848cd4308901", kill_on_drop: false }`
[INFO] [stdout] 086cff359ddf502e9251c00a860c628e273bfc7236fcb688c6dd848cd4308901