[INFO] crate macos-profiler 0.2.1 is already in cache
[INFO] testing macos-profiler-0.2.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate macos-profiler 0.2.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate macos-profiler 0.2.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8ddfec24d96e27f51352d316cb9f770e1d7a2a94de5ace7d28388b4734d37867
[INFO] running `"docker" "start" "-a" "8ddfec24d96e27f51352d316cb9f770e1d7a2a94de5ace7d28388b4734d37867"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling command-macros v0.1.11
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling backtrace v0.3.48
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling rayon v0.9.0
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling quicli v0.2.0
[INFO] [stderr]    Compiling ctrlc v3.1.4
[INFO] [stderr]    Compiling macos-profiler v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused return value of `std::vec::Vec::<T>::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 `std::vec::Vec::<T>::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 `std::vec::Vec::<T>::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: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.99s
[INFO] running `"docker" "inspect" "8ddfec24d96e27f51352d316cb9f770e1d7a2a94de5ace7d28388b4734d37867"`
[INFO] running `"docker" "rm" "-f" "8ddfec24d96e27f51352d316cb9f770e1d7a2a94de5ace7d28388b4734d37867"`
[INFO] [stdout] 8ddfec24d96e27f51352d316cb9f770e1d7a2a94de5ace7d28388b4734d37867
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] 65beae3fd7d4b2ce42357f44da73c0bfff487a4cf559e05e8128688b898d1fe8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "65beae3fd7d4b2ce42357f44da73c0bfff487a4cf559e05e8128688b898d1fe8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling macos-profiler v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused return value of `std::vec::Vec::<T>::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 `std::vec::Vec::<T>::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 `std::vec::Vec::<T>::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: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `"docker" "inspect" "65beae3fd7d4b2ce42357f44da73c0bfff487a4cf559e05e8128688b898d1fe8"`
[INFO] running `"docker" "rm" "-f" "65beae3fd7d4b2ce42357f44da73c0bfff487a4cf559e05e8128688b898d1fe8"`
[INFO] [stdout] 65beae3fd7d4b2ce42357f44da73c0bfff487a4cf559e05e8128688b898d1fe8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1f46f638ea890e72c23ed4d5963789895fb49206f86e52a76f40be2dd8e59105
[INFO] running `"docker" "start" "-a" "1f46f638ea890e72c23ed4d5963789895fb49206f86e52a76f40be2dd8e59105"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused return value of `std::vec::Vec::<T>::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 `std::vec::Vec::<T>::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 `std::vec::Vec::<T>::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: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/macos_profiler-27dff43733252d65
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1f46f638ea890e72c23ed4d5963789895fb49206f86e52a76f40be2dd8e59105"`
[INFO] running `"docker" "rm" "-f" "1f46f638ea890e72c23ed4d5963789895fb49206f86e52a76f40be2dd8e59105"`
[INFO] [stdout] 1f46f638ea890e72c23ed4d5963789895fb49206f86e52a76f40be2dd8e59105