[INFO] cloning repository https://github.com/L1cHH/Own_Arc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/L1cHH/Own_Arc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FL1cHH%2FOwn_Arc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FL1cHH%2FOwn_Arc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 23013db8ecbdaec36905797aa89d061f4ea0f13c [INFO] checking L1cHH/Own_Arc against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FL1cHH%2FOwn_Arc" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/L1cHH/Own_Arc [INFO] finished tweaking git repo https://github.com/L1cHH/Own_Arc [INFO] tweaked toml for git repo https://github.com/L1cHH/Own_Arc written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/L1cHH/Own_Arc on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/L1cHH/Own_Arc 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 48ec66c9679ae8ac2e35dacfa5eb713a5e0735560803436ee9754dbb4827bd30 [INFO] running `Command { std: "docker" "start" "-a" "48ec66c9679ae8ac2e35dacfa5eb713a5e0735560803436ee9754dbb4827bd30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "48ec66c9679ae8ac2e35dacfa5eb713a5e0735560803436ee9754dbb4827bd30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48ec66c9679ae8ac2e35dacfa5eb713a5e0735560803436ee9754dbb4827bd30", kill_on_drop: false }` [INFO] [stdout] 48ec66c9679ae8ac2e35dacfa5eb713a5e0735560803436ee9754dbb4827bd30 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fa28ff4ede451536adede9a862dfc9ab2a23b1e905a25fd4a982b8b86e5437fc [INFO] running `Command { std: "docker" "start" "-a" "fa28ff4ede451536adede9a862dfc9ab2a23b1e905a25fd4a982b8b86e5437fc", kill_on_drop: false }` [INFO] [stderr] Checking Own_arc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: struct `Arc` is never constructed [INFO] [stdout] --> src/main.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct Arc { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: struct `Weak` is never constructed [INFO] [stdout] --> src/main.rs:128:12 [INFO] [stdout] | [INFO] [stdout] 128 | pub struct Weak { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `new`, `get_mut`, and `downgrade` are never used [INFO] [stdout] --> src/main.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 71 | impl Arc { [INFO] [stdout] | -------------- associated functions in this implementation [INFO] [stdout] 72 | fn new(data: T) -> Arc { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | fn get_mut(arc: &mut Self) -> Option<&mut T> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 104 | fn downgrade(arc: &Self) -> Weak { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `Own_arc` (bin "Own_arc" test) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: struct `Arc` is never constructed [INFO] [stdout] --> src/main.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct Arc { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: struct `Weak` is never constructed [INFO] [stdout] --> src/main.rs:128:12 [INFO] [stdout] | [INFO] [stdout] 128 | pub struct Weak { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `new`, `get_mut`, and `downgrade` are never used [INFO] [stdout] --> src/main.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 71 | impl Arc { [INFO] [stdout] | -------------- associated functions in this implementation [INFO] [stdout] 72 | fn new(data: T) -> Arc { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | fn get_mut(arc: &mut Self) -> Option<&mut T> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 104 | fn downgrade(arc: &Self) -> Weak { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `Own_arc` (bin "Own_arc") due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "fa28ff4ede451536adede9a862dfc9ab2a23b1e905a25fd4a982b8b86e5437fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa28ff4ede451536adede9a862dfc9ab2a23b1e905a25fd4a982b8b86e5437fc", kill_on_drop: false }` [INFO] [stdout] fa28ff4ede451536adede9a862dfc9ab2a23b1e905a25fd4a982b8b86e5437fc