[INFO] fetching crate macos-profiler 0.2.1... [INFO] testing macos-profiler-0.2.1 against master#159ba8a92c9e2fa4121f106176309521f4af87e9+rustflags=-Copt-level=3 for pr-107051 [INFO] extracting crate macos-profiler 0.2.1 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate macos-profiler 0.2.1 on toolchain 159ba8a92c9e2fa4121f106176309521f4af87e9 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "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-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded nix v0.10.0 [INFO] [stderr] Downloaded rayon v0.9.0 [INFO] [stderr] Downloaded quicli v0.2.0 [INFO] [stderr] Downloaded command-macros v0.1.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 07f88d4ad1d5b395b29911b1b48e956ee54557e64ab58a69cb93703b3c2a01e9 [INFO] running `Command { std: "docker" "start" "-a" "07f88d4ad1d5b395b29911b1b48e956ee54557e64ab58a69cb93703b3c2a01e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "07f88d4ad1d5b395b29911b1b48e956ee54557e64ab58a69cb93703b3c2a01e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07f88d4ad1d5b395b29911b1b48e956ee54557e64ab58a69cb93703b3c2a01e9", kill_on_drop: false }` [INFO] [stdout] 07f88d4ad1d5b395b29911b1b48e956ee54557e64ab58a69cb93703b3c2a01e9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d447d15d1bd2fa7ae4b91132cec05a3f49c42f43b7d2c6899039378175f33b09 [INFO] running `Command { std: "docker" "start" "-a" "d447d15d1bd2fa7ae4b91132cec05a3f49c42f43b7d2c6899039378175f33b09", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling crossbeam-utils v0.8.14 [INFO] [stderr] Compiling syn v1.0.107 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling cc v1.0.78 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.13 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling rayon-core v1.10.1 [INFO] [stderr] Compiling gimli v0.27.0 [INFO] [stderr] Compiling unicode-segmentation v1.10.0 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling miniz_oxide v0.6.2 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling object v0.30.2 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling rustc-demangle v0.1.21 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.6 [INFO] [stderr] Compiling crossbeam-deque v0.8.2 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling command-macros v0.1.11 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Compiling ucd-util v0.1.9 [INFO] [stderr] Compiling either v1.8.0 [INFO] [stderr] Compiling addr2line v0.19.0 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling termcolor v1.2.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling num_cpus v1.15.0 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling nix v0.26.2 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling rayon v0.9.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling utf8-ranges v1.0.5 [INFO] [stderr] Compiling ctrlc v3.2.4 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Compiling backtrace v0.3.67 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling serde_derive v1.0.152 [INFO] [stderr] Compiling structopt v0.2.18 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling quicli v0.2.0 [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: use `.truncate()` if you don't need the other half [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [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 1m 41s [INFO] running `Command { std: "docker" "inspect" "d447d15d1bd2fa7ae4b91132cec05a3f49c42f43b7d2c6899039378175f33b09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d447d15d1bd2fa7ae4b91132cec05a3f49c42f43b7d2c6899039378175f33b09", kill_on_drop: false }` [INFO] [stdout] d447d15d1bd2fa7ae4b91132cec05a3f49c42f43b7d2c6899039378175f33b09 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1dcae794f11cd1009a41550c4bdffa8f16608394209a1aa0571c19d3a43ea368 [INFO] running `Command { std: "docker" "start" "-a" "1dcae794f11cd1009a41550c4bdffa8f16608394209a1aa0571c19d3a43ea368", 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: use `.truncate()` if you don't need the other half [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [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 1.19s [INFO] running `Command { std: "docker" "inspect" "1dcae794f11cd1009a41550c4bdffa8f16608394209a1aa0571c19d3a43ea368", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1dcae794f11cd1009a41550c4bdffa8f16608394209a1aa0571c19d3a43ea368", kill_on_drop: false }` [INFO] [stdout] 1dcae794f11cd1009a41550c4bdffa8f16608394209a1aa0571c19d3a43ea368 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e75af3f315f37ced80326459293dd22a72f82fac3b7e6ad24d4f2dd087a28577 [INFO] running `Command { std: "docker" "start" "-a" "e75af3f315f37ced80326459293dd22a72f82fac3b7e6ad24d4f2dd087a28577", 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: use `.truncate()` if you don't need the other half [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [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 0.17s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/macos_profiler-cd17c2f7d9ddfe7d) [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" "e75af3f315f37ced80326459293dd22a72f82fac3b7e6ad24d4f2dd087a28577", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e75af3f315f37ced80326459293dd22a72f82fac3b7e6ad24d4f2dd087a28577", kill_on_drop: false }` [INFO] [stdout] e75af3f315f37ced80326459293dd22a72f82fac3b7e6ad24d4f2dd087a28577