[INFO] fetching crate ffi-toolkit 0.5.0...
[INFO] testing ffi-toolkit-0.5.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate ffi-toolkit 0.5.0 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate ffi-toolkit 0.5.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ffi-toolkit 0.5.0
[INFO] finished tweaking crates.io crate ffi-toolkit 0.5.0
[INFO] tweaked toml for crates.io crate ffi-toolkit 0.5.0 written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fce101d20311cead458615c68f9fd4260721e2bc16c82efe1cd2dc6b1c5e4ab7
[INFO] running `Command { std: "docker" "start" "-a" "fce101d20311cead458615c68f9fd4260721e2bc16c82efe1cd2dc6b1c5e4ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fce101d20311cead458615c68f9fd4260721e2bc16c82efe1cd2dc6b1c5e4ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fce101d20311cead458615c68f9fd4260721e2bc16c82efe1cd2dc6b1c5e4ab7", kill_on_drop: false }`
[INFO] [stdout] fce101d20311cead458615c68f9fd4260721e2bc16c82efe1cd2dc6b1c5e4ab7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8950a879c7719e9a150c842aa88ef711f39e13d1b294f8ecc0cf4071582fc4f7
[INFO] running `Command { std: "docker" "start" "-a" "8950a879c7719e9a150c842aa88ef711f39e13d1b294f8ecc0cf4071582fc4f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling drop_struct_macro_derive v0.5.0
[INFO] [stderr]    Compiling ffi-toolkit v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/lib.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     (&(*x))
[INFO] [stdout]    |     ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 -     (&(*x))
[INFO] [stdout] 67 +     &(*x)
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.01s
[INFO] running `Command { std: "docker" "inspect" "8950a879c7719e9a150c842aa88ef711f39e13d1b294f8ecc0cf4071582fc4f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8950a879c7719e9a150c842aa88ef711f39e13d1b294f8ecc0cf4071582fc4f7", kill_on_drop: false }`
[INFO] [stdout] 8950a879c7719e9a150c842aa88ef711f39e13d1b294f8ecc0cf4071582fc4f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00250b04a63250615679f97ffca9f506a979618cd43a343728d14da84798698e
[INFO] running `Command { std: "docker" "start" "-a" "00250b04a63250615679f97ffca9f506a979618cd43a343728d14da84798698e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ffi-toolkit v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/lib.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     (&(*x))
[INFO] [stdout]    |     ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 -     (&(*x))
[INFO] [stdout] 67 +     &(*x)
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/lib.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     (&(*x))
[INFO] [stdout]    |     ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 -     (&(*x))
[INFO] [stdout] 67 +     &(*x)
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "00250b04a63250615679f97ffca9f506a979618cd43a343728d14da84798698e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00250b04a63250615679f97ffca9f506a979618cd43a343728d14da84798698e", kill_on_drop: false }`
[INFO] [stdout] 00250b04a63250615679f97ffca9f506a979618cd43a343728d14da84798698e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5222f9a88beea6980c29244a8e27e19c50f869fc46be7179b5457fac9dc6f59b
[INFO] running `Command { std: "docker" "start" "-a" "5222f9a88beea6980c29244a8e27e19c50f869fc46be7179b5457fac9dc6f59b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/lib.rs:67:5
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 67 |     (&(*x))
[INFO] [stdout] 
[INFO] [stderr]    |     ^     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 67 -     (&(*x))
[INFO] [stderr] 67 +     &(*x)
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `ffi-toolkit` (lib) generated 1 warning
[INFO] [stderr] warning: `ffi-toolkit` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ffi_toolkit-ad892764af09a6db)
[INFO] [stderr]      Running tests/catch_panic_response.rs (/opt/rustwide/target/debug/deps/catch_panic_response-cfb1af0e03ed82f5)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test does_not_panic ... ok
[INFO] [stdout] test does_not_panic_with_catch_panic_response ... ok
[INFO] [stderr]    Doc-tests ffi-toolkit
[INFO] [stdout] test does_panic_with_catch_panic_response ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     (&(*x))
[INFO] [stderr]    |     ^     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 67 -     (&(*x))
[INFO] [stderr] 67 +     &(*x)
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "5222f9a88beea6980c29244a8e27e19c50f869fc46be7179b5457fac9dc6f59b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5222f9a88beea6980c29244a8e27e19c50f869fc46be7179b5457fac9dc6f59b", kill_on_drop: false }`
[INFO] [stdout] 5222f9a88beea6980c29244a8e27e19c50f869fc46be7179b5457fac9dc6f59b