[INFO] fetching crate euphrates_x64 0.1.0...
[INFO] checking euphrates_x64-0.1.0 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate euphrates_x64 0.1.0 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate euphrates_x64 0.1.0 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate euphrates_x64 0.1.0
[INFO] finished tweaking crates.io crate euphrates_x64 0.1.0
[INFO] tweaked toml for crates.io crate euphrates_x64 0.1.0 written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded euphrates v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06ca15796b6582ea76a607d3adbc4457730cf53d889af6577cc40b183166743f
[INFO] running `Command { std: "docker" "start" "-a" "06ca15796b6582ea76a607d3adbc4457730cf53d889af6577cc40b183166743f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06ca15796b6582ea76a607d3adbc4457730cf53d889af6577cc40b183166743f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06ca15796b6582ea76a607d3adbc4457730cf53d889af6577cc40b183166743f", kill_on_drop: false }`
[INFO] [stdout] 06ca15796b6582ea76a607d3adbc4457730cf53d889af6577cc40b183166743f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c902c5998a498b8d20b0a9cf6e78c04420ca01bcda07e1531c2cafbd3e8fc91
[INFO] running `Command { std: "docker" "start" "-a" "3c902c5998a498b8d20b0a9cf6e78c04420ca01bcda07e1531c2cafbd3e8fc91", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling euphrates_x64 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr] warning: clang: warning: argument unused during compilation: '-ffunction-sections' [-Wunused-command-line-argument]
[INFO] [stderr] warning: clang: warning: argument unused during compilation: '-fdata-sections' [-Wunused-command-line-argument]
[INFO] [stderr] warning: clang: warning: argument unused during compilation: '-fno-omit-frame-pointer' [-Wunused-command-line-argument]
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking euphrates v0.1.0
[INFO] [stdout] warning: `extern` block uses type `[u8; 4]`, which is not FFI-safe
[INFO] [stdout]  --> src/lib.rs:7:58
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn euphrates_x64_pattern_to_palette_indices(pattern: [u8; 4]) -> [u8; 8];
[INFO] [stdout]   |                                                          ^^^^^^^ not FFI-safe
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]   = help: consider passing a pointer to the array
[INFO] [stdout]   = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[u8; 8]`, which is not FFI-safe
[INFO] [stdout]  --> src/lib.rs:7:70
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn euphrates_x64_pattern_to_palette_indices(pattern: [u8; 4]) -> [u8; 8];
[INFO] [stdout]   |                                                                      ^^^^^^^ not FFI-safe
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider passing a pointer to the array
[INFO] [stdout]   = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[u8; 4]`, which is not FFI-safe
[INFO] [stdout]  --> src/lib.rs:7:58
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn euphrates_x64_pattern_to_palette_indices(pattern: [u8; 4]) -> [u8; 8];
[INFO] [stdout]   |                                                          ^^^^^^^ not FFI-safe
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]   = help: consider passing a pointer to the array
[INFO] [stdout]   = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `[u8; 8]`, which is not FFI-safe
[INFO] [stdout]  --> src/lib.rs:7:70
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn euphrates_x64_pattern_to_palette_indices(pattern: [u8; 4]) -> [u8; 8];
[INFO] [stdout]   |                                                                      ^^^^^^^ not FFI-safe
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider passing a pointer to the array
[INFO] [stdout]   = note: passing raw arrays by value is not FFI-safe
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.18s
[INFO] running `Command { std: "docker" "inspect" "3c902c5998a498b8d20b0a9cf6e78c04420ca01bcda07e1531c2cafbd3e8fc91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c902c5998a498b8d20b0a9cf6e78c04420ca01bcda07e1531c2cafbd3e8fc91", kill_on_drop: false }`
[INFO] [stdout] 3c902c5998a498b8d20b0a9cf6e78c04420ca01bcda07e1531c2cafbd3e8fc91