[INFO] crate encoding_c_mem 0.2.6 is already in cache
[INFO] testing encoding_c_mem-0.2.6 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate encoding_c_mem 0.2.6 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate encoding_c_mem 0.2.6 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64c872e7dadc0b65968cfec57cf016d5d92ab5d89c85b2b7c8b1a3a11b0314ba
[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" "64c872e7dadc0b65968cfec57cf016d5d92ab5d89c85b2b7c8b1a3a11b0314ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64c872e7dadc0b65968cfec57cf016d5d92ab5d89c85b2b7c8b1a3a11b0314ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64c872e7dadc0b65968cfec57cf016d5d92ab5d89c85b2b7c8b1a3a11b0314ba", kill_on_drop: false }`
[INFO] [stdout] 64c872e7dadc0b65968cfec57cf016d5d92ab5d89c85b2b7c8b1a3a11b0314ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2c8cb816e9825b53bf4b449114fcb8643c9238b494ebe3c6604544e235d0bbb
[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" "c2c8cb816e9825b53bf4b449114fcb8643c9238b494ebe3c6604544e235d0bbb", 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 6.24s
[INFO] running `Command { std: "docker" "inspect" "c2c8cb816e9825b53bf4b449114fcb8643c9238b494ebe3c6604544e235d0bbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2c8cb816e9825b53bf4b449114fcb8643c9238b494ebe3c6604544e235d0bbb", kill_on_drop: false }`
[INFO] [stdout] c2c8cb816e9825b53bf4b449114fcb8643c9238b494ebe3c6604544e235d0bbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b45460deebb5162bc164ada061bb79f40bd59869881d4b4a92b4eba90cd6208
[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" "0b45460deebb5162bc164ada061bb79f40bd59869881d4b4a92b4eba90cd6208", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0b45460deebb5162bc164ada061bb79f40bd59869881d4b4a92b4eba90cd6208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b45460deebb5162bc164ada061bb79f40bd59869881d4b4a92b4eba90cd6208", kill_on_drop: false }`
[INFO] [stdout] 0b45460deebb5162bc164ada061bb79f40bd59869881d4b4a92b4eba90cd6208
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ed06269ff8cce572b6ddb19c4be1223d9e731a767be1e879ed615caa89ae9448
[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" "ed06269ff8cce572b6ddb19c4be1223d9e731a767be1e879ed615caa89ae9448", 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 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/encoding_c_mem-5eb18f3615566202
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests encoding_c_mem
[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" "ed06269ff8cce572b6ddb19c4be1223d9e731a767be1e879ed615caa89ae9448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed06269ff8cce572b6ddb19c4be1223d9e731a767be1e879ed615caa89ae9448", kill_on_drop: false }`
[INFO] [stdout] ed06269ff8cce572b6ddb19c4be1223d9e731a767be1e879ed615caa89ae9448