[INFO] fetching crate ll-rs 0.1.0... [INFO] checking ll-rs-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate ll-rs 0.1.0 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate ll-rs 0.1.0 [INFO] finished tweaking crates.io crate ll-rs 0.1.0 [INFO] tweaked toml for crates.io crate ll-rs 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate ll-rs 0.1.0 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] crate crates.io crate ll-rs 0.1.0 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cxxbridge-flags v1.0.91 [INFO] [stderr] Downloaded cxxbridge-macro v1.0.91 [INFO] [stderr] Downloaded cxx-build v1.0.91 [INFO] [stderr] Downloaded cxx v1.0.91 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1e73f62927fb862b2fb1e4438677604e1d18c37ff99b85a6b0a3a4e6749e907c [INFO] running `Command { std: "docker" "start" "-a" "1e73f62927fb862b2fb1e4438677604e1d18c37ff99b85a6b0a3a4e6749e907c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1e73f62927fb862b2fb1e4438677604e1d18c37ff99b85a6b0a3a4e6749e907c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e73f62927fb862b2fb1e4438677604e1d18c37ff99b85a6b0a3a4e6749e907c", kill_on_drop: false }` [INFO] [stdout] 1e73f62927fb862b2fb1e4438677604e1d18c37ff99b85a6b0a3a4e6749e907c [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0d3a03e911b980577bda5610cb332f8ff63aea20f060a4fc8031389a631df559 [INFO] running `Command { std: "docker" "start" "-a" "0d3a03e911b980577bda5610cb332f8ff63aea20f060a4fc8031389a631df559", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling io-lifetimes v1.0.5 [INFO] [stderr] Compiling rustix v0.36.8 [INFO] [stderr] Checking linux-raw-sys v0.1.4 [INFO] [stderr] Checking iana-time-zone v0.1.53 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking chrono v0.4.23 [INFO] [stderr] Checking is-terminal v0.4.3 [INFO] [stderr] Checking ll-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Entry` is never constructed [INFO] [stdout] --> src/entry.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Entry { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/entry.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl Entry { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 18 | pub fn new(path: PathBuf) -> Result> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `List` is never constructed [INFO] [stdout] --> src/list.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Link` is never used [INFO] [stdout] --> src/list.rs:9:6 [INFO] [stdout] | [INFO] [stdout] 9 | type Link = Option>>>; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/list.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/list.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 17 | impl Node { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 18 | fn new(elem: T) -> Arc> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/list.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 27 | impl List { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 28 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | pub fn push_front(&mut self, elem: T) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | pub fn push_back(&mut self, elem: T) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | pub fn pop_back(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 80 | pub fn pop_front(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 95 | pub fn peek_front(&self) -> Option> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 101 | pub fn peek_back(&self) -> Option> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 107 | pub fn peek_back_mut(&mut self) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 113 | pub fn peek_front_mut(&mut self) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 119 | pub fn into_iter(self) -> IntoIter { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IntoIter` is never constructed [INFO] [stdout] --> src/list.rs:130:12 [INFO] [stdout] | [INFO] [stdout] 130 | pub struct IntoIter(List); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/list.rs:95:23 [INFO] [stdout] | [INFO] [stdout] 95 | pub fn peek_front(&self) -> Option> { [INFO] [stdout] | ^^^^^ ------ the lifetime gets resolved as `'_` [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 remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 95 | pub fn peek_front(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/list.rs:101:22 [INFO] [stdout] | [INFO] [stdout] 101 | pub fn peek_back(&self) -> Option> { [INFO] [stdout] | ^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 101 | pub fn peek_back(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/list.rs:107:26 [INFO] [stdout] | [INFO] [stdout] 107 | pub fn peek_back_mut(&mut self) -> Option> { [INFO] [stdout] | ^^^^^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 107 | pub fn peek_back_mut(&mut self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/list.rs:113:27 [INFO] [stdout] | [INFO] [stdout] 113 | pub fn peek_front_mut(&mut self) -> Option> { [INFO] [stdout] | ^^^^^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 113 | pub fn peek_front_mut(&mut self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Entry` is never constructed [INFO] [stdout] --> src/entry.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Entry { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/entry.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl Entry { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 18 | pub fn new(path: PathBuf) -> Result> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/list.rs:95:23 [INFO] [stdout] | [INFO] [stdout] 95 | pub fn peek_front(&self) -> Option> { [INFO] [stdout] | ^^^^^ ------ the lifetime gets resolved as `'_` [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 remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 95 | pub fn peek_front(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/list.rs:101:22 [INFO] [stdout] | [INFO] [stdout] 101 | pub fn peek_back(&self) -> Option> { [INFO] [stdout] | ^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 101 | pub fn peek_back(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/list.rs:107:26 [INFO] [stdout] | [INFO] [stdout] 107 | pub fn peek_back_mut(&mut self) -> Option> { [INFO] [stdout] | ^^^^^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 107 | pub fn peek_back_mut(&mut self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/list.rs:113:27 [INFO] [stdout] | [INFO] [stdout] 113 | pub fn peek_front_mut(&mut self) -> Option> { [INFO] [stdout] | ^^^^^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 113 | pub fn peek_front_mut(&mut self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ll_rs::Lib` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use ll_rs::Lib; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ll_rs::Lib` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use ll_rs::Lib; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.27s [INFO] running `Command { std: "docker" "inspect" "0d3a03e911b980577bda5610cb332f8ff63aea20f060a4fc8031389a631df559", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d3a03e911b980577bda5610cb332f8ff63aea20f060a4fc8031389a631df559", kill_on_drop: false }` [INFO] [stdout] 0d3a03e911b980577bda5610cb332f8ff63aea20f060a4fc8031389a631df559