[INFO] fetching crate zflags 0.1.2... [INFO] checking zflags-0.1.2 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate zflags 0.1.2 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate zflags 0.1.2 [INFO] finished tweaking crates.io crate zflags 0.1.2 [INFO] tweaked toml for crates.io crate zflags 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate zflags 0.1.2 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 47 packages to latest compatible versions [INFO] [stderr] Adding clap v2.33.4 (available: v2.34.0) [INFO] [stderr] Adding ctor v0.1.26 (available: v0.4.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded vec_map v0.8.2 [INFO] [stderr] Downloaded comn-pms v0.1.0 [INFO] [stderr] Downloaded ansi_term v0.11.0 [INFO] [stderr] Downloaded clap v2.33.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 54919082f971cc469c866c3683861d619a819d22570d60873ef319ff5d26c341 [INFO] running `Command { std: "docker" "start" "-a" "54919082f971cc469c866c3683861d619a819d22570d60873ef319ff5d26c341", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "54919082f971cc469c866c3683861d619a819d22570d60873ef319ff5d26c341", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54919082f971cc469c866c3683861d619a819d22570d60873ef319ff5d26c341", kill_on_drop: false }` [INFO] [stdout] 54919082f971cc469c866c3683861d619a819d22570d60873ef319ff5d26c341 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a6c6c479ad133272f99b320a0b4d52e0e9de43007e273b19b8e6bd155e18839 [INFO] running `Command { std: "docker" "start" "-a" "7a6c6c479ad133272f99b320a0b4d52e0e9de43007e273b19b8e6bd155e18839", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling iana-time-zone v0.1.63 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling chrono v0.4.41 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.4 [INFO] [stderr] Compiling ctor v0.1.26 [INFO] [stderr] Compiling comn-pms v0.1.0 [INFO] [stderr] Checking zflags v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:37:22 [INFO] [stdout] | [INFO] [stdout] 37 | fn cmd_args_list(k: &'static str) -> &mut LinkedList { [INFO] [stdout] | ^^^^^^^ --------------------- the lifetime gets resolved as `'static` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to consistently use `'static` [INFO] [stdout] | [INFO] [stdout] 37 | fn cmd_args_list(k: &'static str) -> &'static mut LinkedList { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `from` that must be used [INFO] [stdout] --> src/lib.rs:219:13 [INFO] [stdout] | [INFO] [stdout] 219 | Box::::from(*ptr); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 219 | let _ = Box::::from(*ptr); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:37:22 [INFO] [stdout] | [INFO] [stdout] 37 | fn cmd_args_list(k: &'static str) -> &mut LinkedList { [INFO] [stdout] | ^^^^^^^ --------------------- the lifetime gets resolved as `'static` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to consistently use `'static` [INFO] [stdout] | [INFO] [stdout] 37 | fn cmd_args_list(k: &'static str) -> &'static mut LinkedList { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `from` that must be used [INFO] [stdout] --> src/lib.rs:219:13 [INFO] [stdout] | [INFO] [stdout] 219 | Box::::from(*ptr); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 219 | let _ = Box::::from(*ptr); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.42s [INFO] running `Command { std: "docker" "inspect" "7a6c6c479ad133272f99b320a0b4d52e0e9de43007e273b19b8e6bd155e18839", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a6c6c479ad133272f99b320a0b4d52e0e9de43007e273b19b8e6bd155e18839", kill_on_drop: false }` [INFO] [stdout] 7a6c6c479ad133272f99b320a0b4d52e0e9de43007e273b19b8e6bd155e18839