[INFO] cloning repository https://github.com/tcr/macos-profiler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tcr/macos-profiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcr%2Fmacos-profiler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcr%2Fmacos-profiler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e494e1f4ed1805e390ac4f9b755251df53a3dc95 [INFO] checking tcr/macos-profiler against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcr%2Fmacos-profiler" "/workspace/builds/worker-107/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tcr/macos-profiler on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tcr/macos-profiler [INFO] finished tweaking git repo https://github.com/tcr/macos-profiler [INFO] tweaked toml for git repo https://github.com/tcr/macos-profiler written to /workspace/builds/worker-107/source/Cargo.toml [INFO] crate git repo https://github.com/tcr/macos-profiler already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ansi_term v0.10.2 [INFO] [stderr] Downloaded rayon v0.9.0 [INFO] [stderr] Downloaded ctrlc v3.1.0 [INFO] [stderr] Downloaded serde v1.0.27 [INFO] [stderr] Downloaded proc-macro2 v0.2.3 [INFO] [stderr] Downloaded syn v0.12.13 [INFO] [stderr] Downloaded rayon-core v1.4.0 [INFO] [stderr] Downloaded failure v0.1.1 [INFO] [stderr] Downloaded synstructure v0.6.1 [INFO] [stderr] Downloaded atty v0.2.6 [INFO] [stderr] Downloaded clap v2.30.0 [INFO] [stderr] Downloaded termcolor v0.3.5 [INFO] [stderr] Downloaded env_logger v0.5.4 [INFO] [stderr] Downloaded byteorder v1.2.1 [INFO] [stderr] Downloaded nix v0.10.0 [INFO] [stderr] Downloaded wincolor v0.1.6 [INFO] [stderr] Downloaded nix v0.9.0 [INFO] [stderr] Downloaded failure_derive v0.1.1 [INFO] [stderr] Downloaded either v1.4.0 [INFO] [stderr] Downloaded backtrace-sys v0.1.16 [INFO] [stderr] Downloaded humantime v1.1.0 [INFO] [stderr] Downloaded memchr v2.0.1 [INFO] [stderr] Downloaded serde_derive v1.0.27 [INFO] [stderr] Downloaded libc v0.2.37 [INFO] [stderr] Downloaded toml v0.4.5 [INFO] [stderr] Downloaded regex-syntax v0.4.2 [INFO] [stderr] Downloaded textwrap v0.9.0 [INFO] [stderr] Downloaded serde_derive_internals v0.19.0 [INFO] [stderr] Downloaded crossbeam-epoch v0.3.0 [INFO] [stderr] Downloaded structopt-derive v0.2.4 [INFO] [stderr] Downloaded serde_json v1.0.10 [INFO] [stderr] Downloaded command-macros v0.1.10 [INFO] [stderr] Downloaded thread_local v0.3.5 [INFO] [stderr] Downloaded quote v0.4.2 [INFO] [stderr] Downloaded backtrace v0.3.5 [INFO] [stderr] Downloaded structopt v0.2.4 [INFO] [stderr] Downloaded regex v0.2.6 [INFO] [stderr] Downloaded aho-corasick v0.6.4 [INFO] [stderr] Downloaded quick-error v1.2.1 [INFO] [stderr] Downloaded rustc-demangle v0.1.7 [INFO] [stderr] Downloaded num-traits v0.2.0 [INFO] [stderr] Downloaded quicli v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eae735d2387ba0fabfdb7aae42d4765dea1b4d58985b5d012200318f1f23eaca [INFO] running `Command { std: "docker" "start" "-a" "eae735d2387ba0fabfdb7aae42d4765dea1b4d58985b5d012200318f1f23eaca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eae735d2387ba0fabfdb7aae42d4765dea1b4d58985b5d012200318f1f23eaca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eae735d2387ba0fabfdb7aae42d4765dea1b4d58985b5d012200318f1f23eaca", kill_on_drop: false }` [INFO] [stdout] eae735d2387ba0fabfdb7aae42d4765dea1b4d58985b5d012200318f1f23eaca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 64e74d9249acc136f067b9850de5a4ad1eae1c917362da1d3abddae1cb2057cc [INFO] running `Command { std: "docker" "start" "-a" "64e74d9249acc136f067b9850de5a4ad1eae1c917362da1d3abddae1cb2057cc", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking libc v0.2.37 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Compiling cc v1.0.4 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Checking serde v1.0.27 [INFO] [stderr] Checking ansi_term v0.10.2 [INFO] [stderr] Checking quick-error v1.2.1 [INFO] [stderr] Checking rustc-demangle v0.1.7 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking regex-syntax v0.4.2 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Checking either v1.4.0 [INFO] [stderr] Checking termcolor v0.3.5 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Checking itoa v0.3.4 [INFO] [stderr] Checking glob v0.2.11 [INFO] [stderr] Checking num-traits v0.2.0 [INFO] [stderr] Checking shlex v0.1.1 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling proc-macro2 v0.2.3 [INFO] [stderr] Compiling command-macros v0.1.10 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking humantime v1.1.0 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Compiling quote v0.4.2 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking atty v0.2.6 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking nix v0.9.0 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Checking clap v2.30.0 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Compiling syn v0.12.13 [INFO] [stderr] Checking bytes v0.4.6 [INFO] [stderr] Checking crossbeam-epoch v0.3.0 [INFO] [stderr] Checking regex v0.2.6 [INFO] [stderr] Compiling synstructure v0.6.1 [INFO] [stderr] Compiling serde_derive_internals v0.19.0 [INFO] [stderr] Checking ctrlc v3.1.0 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking env_logger v0.5.4 [INFO] [stderr] Compiling serde_derive v1.0.27 [INFO] [stderr] Checking toml v0.4.5 [INFO] [stderr] Checking serde_json v1.0.10 [INFO] [stderr] Compiling failure_derive v0.1.1 [INFO] [stderr] Checking rayon v0.9.0 [INFO] [stderr] Compiling structopt-derive v0.2.4 [INFO] [stderr] Checking structopt v0.2.4 [INFO] [stderr] Checking backtrace v0.3.5 [INFO] [stderr] Checking failure v0.1.1 [INFO] [stderr] Checking quicli v0.2.0 [INFO] [stderr] Checking macos-profiler v0.2.1 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [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] [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 1m 01s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking macos-profiler v0.2.1 (/tmp/fixit) [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: 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] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.73s [INFO] running `Command { std: "docker" "inspect" "64e74d9249acc136f067b9850de5a4ad1eae1c917362da1d3abddae1cb2057cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64e74d9249acc136f067b9850de5a4ad1eae1c917362da1d3abddae1cb2057cc", kill_on_drop: false }` [INFO] [stdout] 64e74d9249acc136f067b9850de5a4ad1eae1c917362da1d3abddae1cb2057cc