[INFO] fetching crate rustkit_bindgen 0.0.1...
[INFO] testing rustkit_bindgen-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rustkit_bindgen 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rustkit_bindgen 0.0.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustkit_bindgen 0.0.1
[INFO] finished tweaking crates.io crate rustkit_bindgen 0.0.1
[INFO] tweaked toml for crates.io crate rustkit_bindgen 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustkit-clang-sys v0.24.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4624b4516fb90ee0b274935ab4d32b5b984a90ecb80b936b45bf0e4f4d58e611
[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" "4624b4516fb90ee0b274935ab4d32b5b984a90ecb80b936b45bf0e4f4d58e611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4624b4516fb90ee0b274935ab4d32b5b984a90ecb80b936b45bf0e4f4d58e611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4624b4516fb90ee0b274935ab4d32b5b984a90ecb80b936b45bf0e4f4d58e611", kill_on_drop: false }`
[INFO] [stdout] 4624b4516fb90ee0b274935ab4d32b5b984a90ecb80b936b45bf0e4f4d58e611
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3120569f4f41b1a7a274539344bf8152b8ab22d65e595427574417de7a34049c
[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" "3120569f4f41b1a7a274539344bf8152b8ab22d65e595427574417de7a34049c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustkit-clang-sys v0.24.0
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling rustkit_bindgen v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `is_copy`
[INFO] [stdout]    --> src/lib.rs:379:12
[INFO] [stdout]     |
[INFO] [stdout] 379 |     pub fn is_copy(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.10s
[INFO] running `Command { std: "docker" "inspect" "3120569f4f41b1a7a274539344bf8152b8ab22d65e595427574417de7a34049c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3120569f4f41b1a7a274539344bf8152b8ab22d65e595427574417de7a34049c", kill_on_drop: false }`
[INFO] [stdout] 3120569f4f41b1a7a274539344bf8152b8ab22d65e595427574417de7a34049c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4ffa9c2f1a632765368a8f653d750c58d89b5736d8a9d53f81f2455f34392bf
[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" "f4ffa9c2f1a632765368a8f653d750c58d89b5736d8a9d53f81f2455f34392bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustkit_bindgen v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `is_copy`
[INFO] [stdout]    --> src/lib.rs:379:12
[INFO] [stdout]     |
[INFO] [stdout] 379 |     pub fn is_copy(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_copy`
[INFO] [stdout]    --> src/lib.rs:379:12
[INFO] [stdout]     |
[INFO] [stdout] 379 |     pub fn is_copy(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "f4ffa9c2f1a632765368a8f653d750c58d89b5736d8a9d53f81f2455f34392bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4ffa9c2f1a632765368a8f653d750c58d89b5736d8a9d53f81f2455f34392bf", kill_on_drop: false }`
[INFO] [stdout] f4ffa9c2f1a632765368a8f653d750c58d89b5736d8a9d53f81f2455f34392bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bc415359e2f9f1a70983dee4e755b99c04033ca56a54c2abef14e072d82c2975
[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" "bc415359e2f9f1a70983dee4e755b99c04033ca56a54c2abef14e072d82c2975", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: associated function is never used: `is_copy`
[INFO] [stderr]    --> src/lib.rs:379:12
[INFO] [stderr]     |
[INFO] [stderr] 379 |     pub fn is_copy(&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rustkit_bindgen` (lib) generated 1 warning
[INFO] [stderr] warning: `rustkit_bindgen` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustkit_bindgen-f4e2d8f6a8ef6e6b)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests rustkit_bindgen
[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] [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" "bc415359e2f9f1a70983dee4e755b99c04033ca56a54c2abef14e072d82c2975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc415359e2f9f1a70983dee4e755b99c04033ca56a54c2abef14e072d82c2975", kill_on_drop: false }`
[INFO] [stdout] bc415359e2f9f1a70983dee4e755b99c04033ca56a54c2abef14e072d82c2975