[INFO] fetching crate macos-profiler 0.2.1... [INFO] testing macos-profiler-0.2.1 against 1.55.0 for beta-1.56-1 [INFO] extracting crate macos-profiler 0.2.1 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate macos-profiler 0.2.1 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 macos-profiler 0.2.1 [INFO] finished tweaking crates.io crate macos-profiler 0.2.1 [INFO] tweaked toml for crates.io crate macos-profiler 0.2.1 written to /workspace/builds/worker-0/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] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] dfb85c74a1e5b356a8f3978f5b67f998880ee5eab42fff73776c7331f23aaeff [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" "dfb85c74a1e5b356a8f3978f5b67f998880ee5eab42fff73776c7331f23aaeff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dfb85c74a1e5b356a8f3978f5b67f998880ee5eab42fff73776c7331f23aaeff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dfb85c74a1e5b356a8f3978f5b67f998880ee5eab42fff73776c7331f23aaeff", kill_on_drop: false }` [INFO] [stdout] dfb85c74a1e5b356a8f3978f5b67f998880ee5eab42fff73776c7331f23aaeff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 7c5d0b221728aa6ef1bda889fdedca44b98a10a7f95bdbf153bf59eca875b82f [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" "7c5d0b221728aa6ef1bda889fdedca44b98a10a7f95bdbf153bf59eca875b82f", kill_on_drop: false }` [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Compiling command-macros v0.1.11 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling backtrace v0.3.61 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling nix v0.22.0 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling rayon v0.9.0 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling structopt v0.2.18 [INFO] [stderr] Compiling quicli v0.2.0 [INFO] [stderr] Compiling ctrlc v3.2.0 [INFO] [stderr] Compiling macos-profiler v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `Vec::::split_off` that must be used [INFO] [stdout] --> src/dtrace.rs:33:29 [INFO] [stdout] | [INFO] [stdout] 33 | ... self.buffer.split_off(0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: use `.truncate()` if you don't need the other half [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Vec::::split_off` that must be used [INFO] [stdout] --> src/dtrace.rs:39:21 [INFO] [stdout] | [INFO] [stdout] 39 | self.buffer.split_off(0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: use `.truncate()` if you don't need the other half [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Vec::::split_off` that must be used [INFO] [stdout] --> src/dtrace.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | self.buffer.split_off(0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: use `.truncate()` if you don't need the other half [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 35.49s [INFO] running `Command { std: "docker" "inspect" "7c5d0b221728aa6ef1bda889fdedca44b98a10a7f95bdbf153bf59eca875b82f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c5d0b221728aa6ef1bda889fdedca44b98a10a7f95bdbf153bf59eca875b82f", kill_on_drop: false }` [INFO] [stdout] 7c5d0b221728aa6ef1bda889fdedca44b98a10a7f95bdbf153bf59eca875b82f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 141fbc7236b69615f070db52d2d8df2ad1a4851b20392096403bf7b41d649320 [INFO] running `Command { std: "docker" "start" "-a" "141fbc7236b69615f070db52d2d8df2ad1a4851b20392096403bf7b41d649320", kill_on_drop: false }` [INFO] [stderr] Compiling macos-profiler v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `Vec::::split_off` that must be used [INFO] [stdout] --> src/dtrace.rs:33:29 [INFO] [stdout] | [INFO] [stdout] 33 | ... self.buffer.split_off(0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: use `.truncate()` if you don't need the other half [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Vec::::split_off` that must be used [INFO] [stdout] --> src/dtrace.rs:39:21 [INFO] [stdout] | [INFO] [stdout] 39 | self.buffer.split_off(0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: use `.truncate()` if you don't need the other half [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Vec::::split_off` that must be used [INFO] [stdout] --> src/dtrace.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | self.buffer.split_off(0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: use `.truncate()` if you don't need the other half [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.28s [INFO] running `Command { std: "docker" "inspect" "141fbc7236b69615f070db52d2d8df2ad1a4851b20392096403bf7b41d649320", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "141fbc7236b69615f070db52d2d8df2ad1a4851b20392096403bf7b41d649320", kill_on_drop: false }` [INFO] [stdout] 141fbc7236b69615f070db52d2d8df2ad1a4851b20392096403bf7b41d649320 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] fa8ff29f4c672658e93f9beb0276da03d400685a26b1cc8ac25e2583312f88de [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" "fa8ff29f4c672658e93f9beb0276da03d400685a26b1cc8ac25e2583312f88de", kill_on_drop: false }` [INFO] [stderr] warning: unused return value of `Vec::::split_off` that must be used [INFO] [stderr] --> src/dtrace.rs:33:29 [INFO] [stderr] | [INFO] [stderr] 33 | ... self.buffer.split_off(0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: use `.truncate()` if you don't need the other half [INFO] [stderr] [INFO] [stderr] warning: unused return value of `Vec::::split_off` that must be used [INFO] [stderr] --> src/dtrace.rs:39:21 [INFO] [stderr] | [INFO] [stderr] 39 | self.buffer.split_off(0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: use `.truncate()` if you don't need the other half [INFO] [stderr] [INFO] [stderr] warning: unused return value of `Vec::::split_off` that must be used [INFO] [stderr] --> src/dtrace.rs:50:17 [INFO] [stderr] | [INFO] [stderr] 50 | self.buffer.split_off(0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: use `.truncate()` if you don't need the other half [INFO] [stderr] [INFO] [stderr] warning: `macos-profiler` (bin "macos-profiler" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/macos_profiler-f419186ae6c5db6e) [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" "fa8ff29f4c672658e93f9beb0276da03d400685a26b1cc8ac25e2583312f88de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa8ff29f4c672658e93f9beb0276da03d400685a26b1cc8ac25e2583312f88de", kill_on_drop: false }` [INFO] [stdout] fa8ff29f4c672658e93f9beb0276da03d400685a26b1cc8ac25e2583312f88de