[INFO] fetching crate dart-sys-fork 4.1.1...
[INFO] building dart-sys-fork-4.1.1 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate dart-sys-fork 4.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate dart-sys-fork 4.1.1 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dart-sys-fork 4.1.1
[INFO] finished tweaking crates.io crate dart-sys-fork 4.1.1
[INFO] tweaked toml for crates.io crate dart-sys-fork 4.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 468162d4fc7db360220fb2cb54585fe758c45dda673f9d7c07000e70eebf454d
[INFO] running `Command { std: "docker" "start" "-a" "468162d4fc7db360220fb2cb54585fe758c45dda673f9d7c07000e70eebf454d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "468162d4fc7db360220fb2cb54585fe758c45dda673f9d7c07000e70eebf454d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "468162d4fc7db360220fb2cb54585fe758c45dda673f9d7c07000e70eebf454d", kill_on_drop: false }`
[INFO] [stdout] 468162d4fc7db360220fb2cb54585fe758c45dda673f9d7c07000e70eebf454d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27d272587ec912e6cc81f0f317558fc8e75bb58d7bb4b449a35c89cb15b70927
[INFO] running `Command { std: "docker" "start" "-a" "27d272587ec912e6cc81f0f317558fc8e75bb58d7bb4b449a35c89cb15b70927", kill_on_drop: false }`
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling cc v1.2.6
[INFO] [stderr]    Compiling dart-sys-fork v4.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: dart-sys-fork@4.1.1: /opt/rustwide/workdir/dart-sdk/include/dart_api_dl.c: In function 'Dart_UpdateExternalSize_Deprecated':
[INFO] [stderr] warning: dart-sys-fork@4.1.1: /opt/rustwide/workdir/dart-sdk/include/dart_api_dl.c:33:31: warning: unused parameter 'object' [-Wunused-parameter]
[INFO] [stderr] warning: dart-sys-fork@4.1.1:    33 |     Dart_WeakPersistentHandle object, intptr_t external_size) {
[INFO] [stderr] warning: dart-sys-fork@4.1.1:       |     ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: dart-sys-fork@4.1.1: /opt/rustwide/workdir/dart-sdk/include/dart_api_dl.c:33:48: warning: unused parameter 'external_size' [-Wunused-parameter]
[INFO] [stderr] warning: dart-sys-fork@4.1.1:    33 |     Dart_WeakPersistentHandle object, intptr_t external_size) {
[INFO] [stderr] warning: dart-sys-fork@4.1.1:       |                                       ~~~~~~~~~^~~~~~~~~~~~~
[INFO] [stderr] warning: dart-sys-fork@4.1.1: /opt/rustwide/workdir/dart-sdk/include/dart_api_dl.c: In function 'Dart_UpdateFinalizableExternalSize_Deprecated':
[INFO] [stderr] warning: dart-sys-fork@4.1.1: /opt/rustwide/workdir/dart-sdk/include/dart_api_dl.c:38:28: warning: unused parameter 'object' [-Wunused-parameter]
[INFO] [stderr] warning: dart-sys-fork@4.1.1:    38 |     Dart_FinalizableHandle object,
[INFO] [stderr] warning: dart-sys-fork@4.1.1:       |     ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: dart-sys-fork@4.1.1: /opt/rustwide/workdir/dart-sdk/include/dart_api_dl.c:39:17: warning: unused parameter 'strong_ref_to_object' [-Wunused-parameter]
[INFO] [stderr] warning: dart-sys-fork@4.1.1:    39 |     Dart_Handle strong_ref_to_object,
[INFO] [stderr] warning: dart-sys-fork@4.1.1:       |     ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: dart-sys-fork@4.1.1: /opt/rustwide/workdir/dart-sdk/include/dart_api_dl.c:40:14: warning: unused parameter 'external_allocation_size' [-Wunused-parameter]
[INFO] [stderr] warning: dart-sys-fork@4.1.1:    40 |     intptr_t external_allocation_size) {
[INFO] [stderr] warning: dart-sys-fork@4.1.1:       |     ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "27d272587ec912e6cc81f0f317558fc8e75bb58d7bb4b449a35c89cb15b70927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27d272587ec912e6cc81f0f317558fc8e75bb58d7bb4b449a35c89cb15b70927", kill_on_drop: false }`
[INFO] [stdout] 27d272587ec912e6cc81f0f317558fc8e75bb58d7bb4b449a35c89cb15b70927
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e58714c49d46dcf6c2439797e9f528d9f433632073eada15581926c4a0d5edda
[INFO] running `Command { std: "docker" "start" "-a" "e58714c49d46dcf6c2439797e9f528d9f433632073eada15581926c4a0d5edda", kill_on_drop: false }`
[INFO] [stderr] warning: dart-sys-fork@4.1.1: /opt/rustwide/workdir/dart-sdk/include/dart_api_dl.c: In function 'Dart_UpdateExternalSize_Deprecated':
[INFO] [stderr] warning: dart-sys-fork@4.1.1: /opt/rustwide/workdir/dart-sdk/include/dart_api_dl.c:33:31: warning: unused parameter 'object' [-Wunused-parameter]
[INFO] [stderr] warning: dart-sys-fork@4.1.1:    33 |     Dart_WeakPersistentHandle object, intptr_t external_size) {
[INFO] [stderr] warning: dart-sys-fork@4.1.1:       |     ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: dart-sys-fork@4.1.1: /opt/rustwide/workdir/dart-sdk/include/dart_api_dl.c:33:48: warning: unused parameter 'external_size' [-Wunused-parameter]
[INFO] [stderr] warning: dart-sys-fork@4.1.1:    33 |     Dart_WeakPersistentHandle object, intptr_t external_size) {
[INFO] [stderr] warning: dart-sys-fork@4.1.1:       |                                       ~~~~~~~~~^~~~~~~~~~~~~
[INFO] [stderr] warning: dart-sys-fork@4.1.1: /opt/rustwide/workdir/dart-sdk/include/dart_api_dl.c: In function 'Dart_UpdateFinalizableExternalSize_Deprecated':
[INFO] [stderr] warning: dart-sys-fork@4.1.1: /opt/rustwide/workdir/dart-sdk/include/dart_api_dl.c:38:28: warning: unused parameter 'object' [-Wunused-parameter]
[INFO] [stderr] warning: dart-sys-fork@4.1.1:    38 |     Dart_FinalizableHandle object,
[INFO] [stderr] warning: dart-sys-fork@4.1.1:       |     ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: dart-sys-fork@4.1.1: /opt/rustwide/workdir/dart-sdk/include/dart_api_dl.c:39:17: warning: unused parameter 'strong_ref_to_object' [-Wunused-parameter]
[INFO] [stderr] warning: dart-sys-fork@4.1.1:    39 |     Dart_Handle strong_ref_to_object,
[INFO] [stderr] warning: dart-sys-fork@4.1.1:       |     ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: dart-sys-fork@4.1.1: /opt/rustwide/workdir/dart-sdk/include/dart_api_dl.c:40:14: warning: unused parameter 'external_allocation_size' [-Wunused-parameter]
[INFO] [stderr] warning: dart-sys-fork@4.1.1:    40 |     intptr_t external_allocation_size) {
[INFO] [stderr] warning: dart-sys-fork@4.1.1:       |     ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr]    Compiling dart-sys-fork v4.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "e58714c49d46dcf6c2439797e9f528d9f433632073eada15581926c4a0d5edda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e58714c49d46dcf6c2439797e9f528d9f433632073eada15581926c4a0d5edda", kill_on_drop: false }`
[INFO] [stdout] e58714c49d46dcf6c2439797e9f528d9f433632073eada15581926c4a0d5edda