[INFO] fetching crate encoding_c_mem 0.2.6...
[INFO] checking encoding_c_mem-0.2.6 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate encoding_c_mem 0.2.6 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate encoding_c_mem 0.2.6 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate encoding_c_mem 0.2.6
[INFO] finished tweaking crates.io crate encoding_c_mem 0.2.6
[INFO] tweaked toml for crates.io crate encoding_c_mem 0.2.6 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d760b790361508247dd5551a288f6f9e33d0e6d17d6646afb5a9417fae5df027
[INFO] running `Command { std: "docker" "start" "-a" "d760b790361508247dd5551a288f6f9e33d0e6d17d6646afb5a9417fae5df027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d760b790361508247dd5551a288f6f9e33d0e6d17d6646afb5a9417fae5df027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d760b790361508247dd5551a288f6f9e33d0e6d17d6646afb5a9417fae5df027", kill_on_drop: false }`
[INFO] [stdout] d760b790361508247dd5551a288f6f9e33d0e6d17d6646afb5a9417fae5df027
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 498d46cb213bc22d6506a6b0d7bea6ac1ac278590a406180568f54b35e7d2388
[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" "498d46cb213bc22d6506a6b0d7bea6ac1ac278590a406180568f54b35e7d2388", kill_on_drop: false }`
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling encoding_c_mem v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `char`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:198:55
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub unsafe extern "C" fn encoding_mem_is_char_bidi(c: char) -> bool {
[INFO] [stdout]     |                                                       ^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider using `u32` or `libc::wchar_t` instead
[INFO] [stdout]     = note: the `char` type has no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `char`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:198:55
[INFO] [stdout]     |
[INFO] [stdout] 198 | pub unsafe extern "C" fn encoding_mem_is_char_bidi(c: char) -> bool {
[INFO] [stdout]     |                                                       ^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider using `u32` or `libc::wchar_t` instead
[INFO] [stdout]     = note: the `char` type has no C equivalent
[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 3.82s
[INFO] running `Command { std: "docker" "inspect" "498d46cb213bc22d6506a6b0d7bea6ac1ac278590a406180568f54b35e7d2388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "498d46cb213bc22d6506a6b0d7bea6ac1ac278590a406180568f54b35e7d2388", kill_on_drop: false }`
[INFO] [stdout] 498d46cb213bc22d6506a6b0d7bea6ac1ac278590a406180568f54b35e7d2388
