[INFO] crate macos-profiler 0.2.1 is already in cache
[INFO] checking macos-profiler-0.2.1 against master#8ac1525e091d3db28e67adcbbd6db1e1deaa37fb for pr-73323
[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 8ac1525e091d3db28e67adcbbd6db1e1deaa37fb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "read-manifest" "--manifest-path" "Cargo.toml", 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" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4d8befd552dbfd2e40cd8cb5c9676d7c0d5544105b12d0fb33c7cae65846a21
[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" "b4d8befd552dbfd2e40cd8cb5c9676d7c0d5544105b12d0fb33c7cae65846a21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4d8befd552dbfd2e40cd8cb5c9676d7c0d5544105b12d0fb33c7cae65846a21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4d8befd552dbfd2e40cd8cb5c9676d7c0d5544105b12d0fb33c7cae65846a21", kill_on_drop: false }`
[INFO] [stdout] b4d8befd552dbfd2e40cd8cb5c9676d7c0d5544105b12d0fb33c7cae65846a21
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65537e2cb300183edae2abb78de296f9e095d488466f28e1bbb25181aa51584a
[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" "65537e2cb300183edae2abb78de296f9e095d488466f28e1bbb25181aa51584a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking memchr v2.3.3
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling command-macros v0.1.11
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rayon v0.9.0
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking quicli v0.2.0
[INFO] [stderr]     Checking ctrlc v3.1.5
[INFO] [stderr]     Checking macos-profiler v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::vec::Vec::<T>::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 `std::vec::Vec::<T>::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 `std::vec::Vec::<T>::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: unused return value of `std::vec::Vec::<T>::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 `std::vec::Vec::<T>::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 `std::vec::Vec::<T>::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] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.74s
[INFO] running `Command { std: "docker" "inspect" "65537e2cb300183edae2abb78de296f9e095d488466f28e1bbb25181aa51584a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65537e2cb300183edae2abb78de296f9e095d488466f28e1bbb25181aa51584a", kill_on_drop: false }`
[INFO] [stdout] 65537e2cb300183edae2abb78de296f9e095d488466f28e1bbb25181aa51584a