[INFO] crate encoding_c_mem 0.2.6 is already in cache
[INFO] testing encoding_c_mem-0.2.6 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate encoding_c_mem 0.2.6 into /workspace/builds/worker-8/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-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--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] [stdout] 2ff8358aa9bfbc0dfe5215d59c204140fd32c2e5c20cfa4bfe4dec6474f1abba
[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" "2ff8358aa9bfbc0dfe5215d59c204140fd32c2e5c20cfa4bfe4dec6474f1abba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ff8358aa9bfbc0dfe5215d59c204140fd32c2e5c20cfa4bfe4dec6474f1abba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ff8358aa9bfbc0dfe5215d59c204140fd32c2e5c20cfa4bfe4dec6474f1abba", kill_on_drop: false }`
[INFO] [stdout] 2ff8358aa9bfbc0dfe5215d59c204140fd32c2e5c20cfa4bfe4dec6474f1abba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", 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] 41c498f5ed63e8b9624ebf1be03714f0e7cd3c0bd71dccabc20c0b5a029c4f1e
[INFO] running `Command { std: "docker" "start" "-a" "41c498f5ed63e8b9624ebf1be03714f0e7cd3c0bd71dccabc20c0b5a029c4f1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]    Compiling encoding_c_mem v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cfg-if v0.1.10
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.48s
[INFO] running `Command { std: "docker" "inspect" "41c498f5ed63e8b9624ebf1be03714f0e7cd3c0bd71dccabc20c0b5a029c4f1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41c498f5ed63e8b9624ebf1be03714f0e7cd3c0bd71dccabc20c0b5a029c4f1e", kill_on_drop: false }`
[INFO] [stdout] 41c498f5ed63e8b9624ebf1be03714f0e7cd3c0bd71dccabc20c0b5a029c4f1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74eac29b322b7ad4bbf7e7a6971111a6b4743b7a7507827f40ab8e657205947f
[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" "74eac29b322b7ad4bbf7e7a6971111a6b4743b7a7507827f40ab8e657205947f", kill_on_drop: false }`
[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: 1 warning emitted
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "74eac29b322b7ad4bbf7e7a6971111a6b4743b7a7507827f40ab8e657205947f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74eac29b322b7ad4bbf7e7a6971111a6b4743b7a7507827f40ab8e657205947f", kill_on_drop: false }`
[INFO] [stdout] 74eac29b322b7ad4bbf7e7a6971111a6b4743b7a7507827f40ab8e657205947f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 65a4696cdfd706fb9ce8e4e2799938d657fbe3689c2c007816ec699a5b29f7a4
[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" "65a4696cdfd706fb9ce8e4e2799938d657fbe3689c2c007816ec699a5b29f7a4", kill_on_drop: false }`
[INFO] [stderr] warning: `extern` fn uses type `char`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:198:55
[INFO] [stderr]     |
[INFO] [stderr] 198 | pub unsafe extern "C" fn encoding_mem_is_char_bidi(c: char) -> bool {
[INFO] [stderr]     |                                                       ^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stderr]     = help: consider using `u32` or `libc::wchar_t` instead
[INFO] [stderr]     = note: the `char` type has no C equivalent
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `char`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:198:55
[INFO] [stderr]     |
[INFO] [stderr] 198 | pub unsafe extern "C" fn encoding_mem_is_char_bidi(c: char) -> bool {
[INFO] [stderr]     |                                                       ^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stderr]     = help: consider using `u32` or `libc::wchar_t` instead
[INFO] [stderr]     = note: the `char` type has no C equivalent
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/encoding_c_mem-f2e49ce01da97eb1
[INFO] [stderr]    Doc-tests encoding_c_mem
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "65a4696cdfd706fb9ce8e4e2799938d657fbe3689c2c007816ec699a5b29f7a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65a4696cdfd706fb9ce8e4e2799938d657fbe3689c2c007816ec699a5b29f7a4", kill_on_drop: false }`
[INFO] [stdout] 65a4696cdfd706fb9ce8e4e2799938d657fbe3689c2c007816ec699a5b29f7a4