[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 master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcr%2Fmacos-profiler" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tcr/macos-profiler on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-6-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded structopt v0.2.4 [INFO] [stderr] Downloaded serde_json v1.0.10 [INFO] [stderr] Downloaded serde_derive_internals v0.19.0 [INFO] [stderr] Downloaded structopt-derive v0.2.4 [INFO] [stderr] Downloaded serde_derive v1.0.27 [INFO] [stderr] Downloaded command-macros v0.1.10 [INFO] [stderr] Downloaded ctrlc v3.1.0 [INFO] [stderr] Downloaded termcolor v0.3.5 [INFO] [stderr] Downloaded humantime v1.1.0 [INFO] [stderr] Downloaded nix v0.9.0 [INFO] [stderr] Downloaded syn v0.12.13 [INFO] [stderr] Downloaded libc v0.2.37 [INFO] [stderr] Downloaded cc v1.0.4 [INFO] [stderr] Downloaded backtrace v0.3.5 [INFO] [stderr] Downloaded crossbeam-epoch v0.3.0 [INFO] [stderr] Downloaded env_logger v0.5.4 [INFO] [stderr] Downloaded rayon-core v1.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fc92cd2492147bb0f03397a6553912ac425cf36221225dccdb2208068435ce2d [INFO] running `Command { std: "docker" "start" "-a" "fc92cd2492147bb0f03397a6553912ac425cf36221225dccdb2208068435ce2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fc92cd2492147bb0f03397a6553912ac425cf36221225dccdb2208068435ce2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc92cd2492147bb0f03397a6553912ac425cf36221225dccdb2208068435ce2d", kill_on_drop: false }` [INFO] [stdout] fc92cd2492147bb0f03397a6553912ac425cf36221225dccdb2208068435ce2d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5ce24f94e95cc9e82c05a1bd06c4892dbbb50ab81d46cf2782f4fedd3a17eada [INFO] running `Command { std: "docker" "start" "-a" "5ce24f94e95cc9e82c05a1bd06c4892dbbb50ab81d46cf2782f4fedd3a17eada", kill_on_drop: false }` [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] Compiling cc v1.0.4 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling proc-macro2 v0.2.3 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking rustc-demangle v0.1.7 [INFO] [stderr] Checking regex-syntax v0.4.2 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking ansi_term v0.10.2 [INFO] [stderr] Checking quick-error v1.2.1 [INFO] [stderr] Checking serde v1.0.27 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Checking humantime v1.1.0 [INFO] [stderr] Checking termcolor v0.3.5 [INFO] [stderr] Checking either v1.4.0 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Checking crossbeam-epoch v0.3.0 [INFO] [stderr] Checking itoa v0.3.4 [INFO] [stderr] Checking glob v0.2.11 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Checking num-traits v0.2.0 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking atty v0.2.6 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking clap v2.30.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Compiling command-macros v0.1.10 [INFO] [stderr] Compiling quote v0.4.2 [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 nix v0.9.0 [INFO] [stderr] Checking shlex v0.1.1 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Checking regex v0.2.6 [INFO] [stderr] Checking env_logger v0.5.4 [INFO] [stderr] Compiling synstructure v0.6.1 [INFO] [stderr] Compiling serde_derive_internals v0.19.0 [INFO] [stderr] Checking rayon v0.9.0 [INFO] [stderr] Compiling serde_derive v1.0.27 [INFO] [stderr] Compiling failure_derive v0.1.1 [INFO] [stderr] Checking ctrlc v3.1.0 [INFO] [stderr] Compiling structopt-derive v0.2.4 [INFO] [stderr] Checking structopt v0.2.4 [INFO] [stderr] Checking serde_json v1.0.10 [INFO] [stderr] Checking toml v0.4.5 [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 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/dtrace.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use nix; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | extern crate nix; [INFO] [stdout] | ----------------- the item `nix` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `shlex` is imported redundantly [INFO] [stdout] --> src/dtrace.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use shlex; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | extern crate shlex; [INFO] [stdout] | ------------------- the item `shlex` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/dtrace.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use nix; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | extern crate nix; [INFO] [stdout] | ----------------- the item `nix` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `shlex` is imported redundantly [INFO] [stdout] --> src/dtrace.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use shlex; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | extern crate shlex; [INFO] [stdout] | ------------------- the item `shlex` is already imported here [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: use `.truncate()` if you don't need the other half [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 33 | let _ = self.buffer.split_off(0); [INFO] [stdout] | +++++++ [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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 39 | let _ = self.buffer.split_off(0); [INFO] [stdout] | +++++++ [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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 50 | let _ = self.buffer.split_off(0); [INFO] [stdout] | +++++++ [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: use `.truncate()` if you don't need the other half [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 33 | let _ = self.buffer.split_off(0); [INFO] [stdout] | +++++++ [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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 39 | let _ = self.buffer.split_off(0); [INFO] [stdout] | +++++++ [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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 50 | let _ = self.buffer.split_off(0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.78s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.12.13 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "5ce24f94e95cc9e82c05a1bd06c4892dbbb50ab81d46cf2782f4fedd3a17eada", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ce24f94e95cc9e82c05a1bd06c4892dbbb50ab81d46cf2782f4fedd3a17eada", kill_on_drop: false }` [INFO] [stdout] 5ce24f94e95cc9e82c05a1bd06c4892dbbb50ab81d46cf2782f4fedd3a17eada [INFO] checking tcr/macos-profiler against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcr%2Fmacos-profiler" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tcr/macos-profiler on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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-6-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8f2556518b8e8326a345c7b2cf96b42f5f8660aba315cca044275daac18a11af [INFO] running `Command { std: "docker" "start" "-a" "8f2556518b8e8326a345c7b2cf96b42f5f8660aba315cca044275daac18a11af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8f2556518b8e8326a345c7b2cf96b42f5f8660aba315cca044275daac18a11af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f2556518b8e8326a345c7b2cf96b42f5f8660aba315cca044275daac18a11af", kill_on_drop: false }` [INFO] [stdout] 8f2556518b8e8326a345c7b2cf96b42f5f8660aba315cca044275daac18a11af [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8b7acc95f196ff8c7feac529c0e3e84c85b601159b5dc321a1e1cc0911085b32 [INFO] running `Command { std: "docker" "start" "-a" "8b7acc95f196ff8c7feac529c0e3e84c85b601159b5dc321a1e1cc0911085b32", kill_on_drop: false }` [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] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling cc v1.0.4 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking serde v1.0.27 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking rustc-demangle v0.1.7 [INFO] [stderr] Checking regex-syntax v0.4.2 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling proc-macro2 v0.2.3 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking quick-error v1.2.1 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking ansi_term v0.10.2 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking humantime v1.1.0 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking termcolor v0.3.5 [INFO] [stderr] Checking crossbeam-epoch v0.3.0 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Checking either v1.4.0 [INFO] [stderr] Checking atty v0.2.6 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Compiling command-macros v0.1.10 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking clap v2.30.0 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking nix v0.9.0 [INFO] [stderr] Checking num-traits v0.2.0 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Checking itoa v0.3.4 [INFO] [stderr] Checking bytes v0.4.6 [INFO] [stderr] Checking glob v0.2.11 [INFO] [stderr] Checking shlex v0.1.1 [INFO] [stderr] Compiling quote v0.4.2 [INFO] [stderr] Compiling syn v0.12.13 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Checking regex v0.2.6 [INFO] [stderr] Checking rayon v0.9.0 [INFO] [stderr] Compiling synstructure v0.6.1 [INFO] [stderr] Compiling serde_derive_internals v0.19.0 [INFO] [stderr] Compiling failure_derive v0.1.1 [INFO] [stderr] Checking env_logger v0.5.4 [INFO] [stderr] Compiling serde_derive v1.0.27 [INFO] [stderr] Checking ctrlc v3.1.0 [INFO] [stderr] Compiling structopt-derive v0.2.4 [INFO] [stderr] Checking toml v0.4.5 [INFO] [stderr] Checking serde_json v1.0.10 [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 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/dtrace.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use nix; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | extern crate nix; [INFO] [stdout] | ----------------- the item `nix` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `shlex` is imported redundantly [INFO] [stdout] --> src/dtrace.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use shlex; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | extern crate shlex; [INFO] [stdout] | ------------------- the item `shlex` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/dtrace.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use nix; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | extern crate nix; [INFO] [stdout] | ----------------- the item `nix` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `shlex` is imported redundantly [INFO] [stdout] --> src/dtrace.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use shlex; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | extern crate shlex; [INFO] [stdout] | ------------------- the item `shlex` is already imported here [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: use `.truncate()` if you don't need the other half [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 33 | let _ = self.buffer.split_off(0); [INFO] [stdout] | +++++++ [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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 39 | let _ = self.buffer.split_off(0); [INFO] [stdout] | +++++++ [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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 50 | let _ = self.buffer.split_off(0); [INFO] [stdout] | +++++++ [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: use `.truncate()` if you don't need the other half [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 33 | let _ = self.buffer.split_off(0); [INFO] [stdout] | +++++++ [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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 39 | let _ = self.buffer.split_off(0); [INFO] [stdout] | +++++++ [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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 50 | let _ = self.buffer.split_off(0); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.49s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.12.13 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "8b7acc95f196ff8c7feac529c0e3e84c85b601159b5dc321a1e1cc0911085b32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b7acc95f196ff8c7feac529c0e3e84c85b601159b5dc321a1e1cc0911085b32", kill_on_drop: false }` [INFO] [stdout] 8b7acc95f196ff8c7feac529c0e3e84c85b601159b5dc321a1e1cc0911085b32