[INFO] fetching crate macos-profiler 0.2.1... [INFO] checking macos-profiler-0.2.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate macos-profiler 0.2.1 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate macos-profiler 0.2.1 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 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-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 96 packages [INFO] [stderr] Adding aho-corasick v0.6.10 (latest: v1.1.3) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding bytes v0.4.12 (latest: v1.6.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding cfg_aliases v0.1.1 (latest: v0.2.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding command-macros v0.1.11 (latest: v0.2.9) [INFO] [stderr] Adding env_logger v0.5.13 (latest: v0.11.3) [INFO] [stderr] Adding glob v0.2.11 (latest: v0.3.1) [INFO] [stderr] Adding heck v0.3.3 (latest: v0.5.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding humantime v1.3.0 (latest: v2.1.0) [INFO] [stderr] Adding nix v0.10.0 (latest: v0.28.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.79) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding quicli v0.2.0 (latest: v0.4.0) [INFO] [stderr] Adding quote v0.6.13 (latest: v1.0.35) [INFO] [stderr] Adding rayon v0.9.0 (latest: v1.10.0) [INFO] [stderr] Adding regex v0.2.11 (latest: v1.10.4) [INFO] [stderr] Adding regex-syntax v0.5.6 (latest: v0.8.3) [INFO] [stderr] Adding rustc_version v0.1.7 (latest: v0.4.0) [INFO] [stderr] Adding semver v0.1.20 (latest: v1.0.22) [INFO] [stderr] Adding shlex v0.1.1 (latest: v1.3.0) [INFO] [stderr] Adding strsim v0.8.0 (latest: v0.11.1) [INFO] [stderr] Adding structopt v0.2.18 (latest: v0.3.26) [INFO] [stderr] Adding structopt-derive v0.2.18 (latest: v0.4.18) [INFO] [stderr] Adding syn v0.15.44 (latest: v2.0.58) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding thread_local v0.3.6 (latest: v1.1.8) [INFO] [stderr] Adding toml v0.4.10 (latest: v0.8.12) [INFO] [stderr] Adding ucd-util v0.1.10 (latest: v0.2.1) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.4) [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 ctrlc v3.4.4 [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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] bea45cfbb203947c76596314b364954685d607d52aadb86e438fc7768e8ab2c3 [INFO] running `Command { std: "docker" "start" "-a" "bea45cfbb203947c76596314b364954685d607d52aadb86e438fc7768e8ab2c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bea45cfbb203947c76596314b364954685d607d52aadb86e438fc7768e8ab2c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bea45cfbb203947c76596314b364954685d607d52aadb86e438fc7768e8ab2c3", kill_on_drop: false }` [INFO] [stdout] bea45cfbb203947c76596314b364954685d607d52aadb86e438fc7768e8ab2c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4ec73f09b155e4888c96762c3adeef8c8676707998d5aa2003a7c0c929a1e71d [INFO] running `Command { std: "docker" "start" "-a" "4ec73f09b155e4888c96762c3adeef8c8676707998d5aa2003a7c0c929a1e71d", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling cfg_aliases v0.1.1 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling unicode-segmentation v1.11.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Checking ucd-util v0.1.10 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking rayon v0.9.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling nix v0.28.0 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking glob v0.2.11 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking utf8-ranges v1.0.5 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking shlex v0.1.1 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling command-macros v0.1.11 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking ctrlc v3.4.4 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Checking backtrace v0.3.71 [INFO] [stderr] Checking failure v0.1.8 [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: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: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: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 9.62s [INFO] running `Command { std: "docker" "inspect" "4ec73f09b155e4888c96762c3adeef8c8676707998d5aa2003a7c0c929a1e71d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ec73f09b155e4888c96762c3adeef8c8676707998d5aa2003a7c0c929a1e71d", kill_on_drop: false }` [INFO] [stdout] 4ec73f09b155e4888c96762c3adeef8c8676707998d5aa2003a7c0c929a1e71d [INFO] checking macos-profiler-0.2.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate macos-profiler 0.2.1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate macos-profiler 0.2.1 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 96 packages [INFO] [stderr] Adding aho-corasick v0.6.10 (latest: v1.1.3) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding bytes v0.4.12 (latest: v1.6.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding cfg_aliases v0.1.1 (latest: v0.2.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding command-macros v0.1.11 (latest: v0.2.9) [INFO] [stderr] Adding env_logger v0.5.13 (latest: v0.11.3) [INFO] [stderr] Adding glob v0.2.11 (latest: v0.3.1) [INFO] [stderr] Adding heck v0.3.3 (latest: v0.5.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding humantime v1.3.0 (latest: v2.1.0) [INFO] [stderr] Adding nix v0.10.0 (latest: v0.28.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.79) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding quicli v0.2.0 (latest: v0.4.0) [INFO] [stderr] Adding quote v0.6.13 (latest: v1.0.35) [INFO] [stderr] Adding rayon v0.9.0 (latest: v1.10.0) [INFO] [stderr] Adding regex v0.2.11 (latest: v1.10.4) [INFO] [stderr] Adding regex-syntax v0.5.6 (latest: v0.8.3) [INFO] [stderr] Adding rustc_version v0.1.7 (latest: v0.4.0) [INFO] [stderr] Adding semver v0.1.20 (latest: v1.0.22) [INFO] [stderr] Adding shlex v0.1.1 (latest: v1.3.0) [INFO] [stderr] Adding strsim v0.8.0 (latest: v0.11.1) [INFO] [stderr] Adding structopt v0.2.18 (latest: v0.3.26) [INFO] [stderr] Adding structopt-derive v0.2.18 (latest: v0.4.18) [INFO] [stderr] Adding syn v0.15.44 (latest: v2.0.58) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding thread_local v0.3.6 (latest: v1.1.8) [INFO] [stderr] Adding toml v0.4.10 (latest: v0.8.12) [INFO] [stderr] Adding ucd-util v0.1.10 (latest: v0.2.1) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d58d86eb9d619c6412d7ff42c4d3fbcc67d563bb01dcff166fb942dc68327a1f [INFO] running `Command { std: "docker" "start" "-a" "d58d86eb9d619c6412d7ff42c4d3fbcc67d563bb01dcff166fb942dc68327a1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d58d86eb9d619c6412d7ff42c4d3fbcc67d563bb01dcff166fb942dc68327a1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d58d86eb9d619c6412d7ff42c4d3fbcc67d563bb01dcff166fb942dc68327a1f", kill_on_drop: false }` [INFO] [stdout] d58d86eb9d619c6412d7ff42c4d3fbcc67d563bb01dcff166fb942dc68327a1f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5d3f206bf030686870532fde7782fb0cde1fe2818dec4870f3642c0202d58ed4 [INFO] running `Command { std: "docker" "start" "-a" "5d3f206bf030686870532fde7782fb0cde1fe2818dec4870f3642c0202d58ed4", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling cfg_aliases v0.1.1 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling unicode-segmentation v1.11.0 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Checking ucd-util v0.1.10 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking rayon v0.9.0 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Compiling nix v0.28.0 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking glob v0.2.11 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling command-macros v0.1.11 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking utf8-ranges v1.0.5 [INFO] [stderr] Checking shlex v0.1.1 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking ctrlc v3.4.4 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Checking backtrace v0.3.71 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking failure v0.1.8 [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: 5 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: 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.18s [INFO] running `Command { std: "docker" "inspect" "5d3f206bf030686870532fde7782fb0cde1fe2818dec4870f3642c0202d58ed4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d3f206bf030686870532fde7782fb0cde1fe2818dec4870f3642c0202d58ed4", kill_on_drop: false }` [INFO] [stdout] 5d3f206bf030686870532fde7782fb0cde1fe2818dec4870f3642c0202d58ed4