[INFO] fetching crate folo_ffi 0.1.6...
[INFO] testing folo_ffi-0.1.6 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate folo_ffi 0.1.6 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate folo_ffi 0.1.6
[INFO] finished tweaking crates.io crate folo_ffi 0.1.6
[INFO] tweaked toml for crates.io crate folo_ffi 0.1.6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate folo_ffi 0.1.6 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate folo_ffi 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a0edc965c715b3a8a15933ddf42efe6638b6ab360c2f47096ae1e8cfb704e40
[INFO] running `Command { std: "docker" "start" "-a" "3a0edc965c715b3a8a15933ddf42efe6638b6ab360c2f47096ae1e8cfb704e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a0edc965c715b3a8a15933ddf42efe6638b6ab360c2f47096ae1e8cfb704e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a0edc965c715b3a8a15933ddf42efe6638b6ab360c2f47096ae1e8cfb704e40", kill_on_drop: false }`
[INFO] [stdout] 3a0edc965c715b3a8a15933ddf42efe6638b6ab360c2f47096ae1e8cfb704e40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa8a78d51e260d4f0e6b9147ac7b4fc926f2363c3f3f73a26a71140e1c982f1c
[INFO] running `Command { std: "docker" "start" "-a" "aa8a78d51e260d4f0e6b9147ac7b4fc926f2363c3f3f73a26a71140e1c982f1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling folo_ffi v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "aa8a78d51e260d4f0e6b9147ac7b4fc926f2363c3f3f73a26a71140e1c982f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa8a78d51e260d4f0e6b9147ac7b4fc926f2363c3f3f73a26a71140e1c982f1c", kill_on_drop: false }`
[INFO] [stdout] aa8a78d51e260d4f0e6b9147ac7b4fc926f2363c3f3f73a26a71140e1c982f1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c774b60c2cde00fb6d650858e3d11e01d039d6adcc46855a31aa03dfaff88b22
[INFO] running `Command { std: "docker" "start" "-a" "c774b60c2cde00fb6d650858e3d11e01d039d6adcc46855a31aa03dfaff88b22", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutants v0.0.3
[INFO] [stderr]    Compiling folo_ffi v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "c774b60c2cde00fb6d650858e3d11e01d039d6adcc46855a31aa03dfaff88b22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c774b60c2cde00fb6d650858e3d11e01d039d6adcc46855a31aa03dfaff88b22", kill_on_drop: false }`
[INFO] [stdout] c774b60c2cde00fb6d650858e3d11e01d039d6adcc46855a31aa03dfaff88b22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 20617662fae1bb407cfb61a32ced935a0f33e6010281a23f8b909e05073b0ee5
[INFO] running `Command { std: "docker" "start" "-a" "20617662fae1bb407cfb61a32ced935a0f33e6010281a23f8b909e05073b0ee5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/folo_ffi-8b3795c17cd1ec13)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test native_buffer::tests::from_items ... ok
[INFO] [stdout] test native_buffer::tests::smoke_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests folo_ffi
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "20617662fae1bb407cfb61a32ced935a0f33e6010281a23f8b909e05073b0ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20617662fae1bb407cfb61a32ced935a0f33e6010281a23f8b909e05073b0ee5", kill_on_drop: false }`
[INFO] [stdout] 20617662fae1bb407cfb61a32ced935a0f33e6010281a23f8b909e05073b0ee5