[INFO] cloning repository https://github.com/OrlovBohdan/_17_Lifetime_17_3_advanced [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OrlovBohdan/_17_Lifetime_17_3_advanced" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOrlovBohdan%2F_17_Lifetime_17_3_advanced", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOrlovBohdan%2F_17_Lifetime_17_3_advanced'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8dd87e81c8c90610c9f97c4e460aff19d683340c [INFO] checking OrlovBohdan/_17_Lifetime_17_3_advanced against try#35b6491ce6d2b388d0a5de1e59e2123604af807f for pr-136539 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOrlovBohdan%2F_17_Lifetime_17_3_advanced" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/OrlovBohdan/_17_Lifetime_17_3_advanced on toolchain 35b6491ce6d2b388d0a5de1e59e2123604af807f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/OrlovBohdan/_17_Lifetime_17_3_advanced [INFO] finished tweaking git repo https://github.com/OrlovBohdan/_17_Lifetime_17_3_advanced [INFO] tweaked toml for git repo https://github.com/OrlovBohdan/_17_Lifetime_17_3_advanced written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/OrlovBohdan/_17_Lifetime_17_3_advanced 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" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 20455f2560b2dc9c1522613ca3d6d0226fb5fe9b5440c3f78e2345a5defc2cac [INFO] running `Command { std: "docker" "start" "-a" "20455f2560b2dc9c1522613ca3d6d0226fb5fe9b5440c3f78e2345a5defc2cac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "20455f2560b2dc9c1522613ca3d6d0226fb5fe9b5440c3f78e2345a5defc2cac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20455f2560b2dc9c1522613ca3d6d0226fb5fe9b5440c3f78e2345a5defc2cac", kill_on_drop: false }` [INFO] [stdout] 20455f2560b2dc9c1522613ca3d6d0226fb5fe9b5440c3f78e2345a5defc2cac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0e85ea0159ab6ae4b00c3b05f7017a3d4bb71017f7f92af796d3f4c7d6c08300 [INFO] running `Command { std: "docker" "start" "-a" "0e85ea0159ab6ae4b00c3b05f7017a3d4bb71017f7f92af796d3f4c7d6c08300", kill_on_drop: false }` [INFO] [stderr] Checking _17_Lifetime_17_3_advanced v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `DoubleRef` is never constructed [INFO] [stdout] --> src/task1.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | struct DoubleRef<'r, 's, T> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `announce_and_return_part` is never used [INFO] [stdout] --> src/task2.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 35 | impl<'a> ImportantExcerpt<'a> { [INFO] [stdout] | ----------------------------- method in this implementation [INFO] [stdout] 36 | fn announce_and_return_part<'b>(&self, announcement: &'b str) -> &'b str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `f` is never used [INFO] [stdout] --> src/task3.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn f<'a, 'b>(x: &'a i32, y: &'b mut i32) { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `call_on_ref_zero` is never used [INFO] [stdout] --> src/task4.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn call_on_ref_zero(f: F) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `noop` is never used [INFO] [stdout] --> src/task6.rs:68:12 [INFO] [stdout] | [INFO] [stdout] 67 | impl<'a> Interface<'a> { [INFO] [stdout] | ---------------------- method in this implementation [INFO] [stdout] 68 | pub fn noop(self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `text` is never read [INFO] [stdout] --> src/task6.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 73 | struct Manager { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 74 | text: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `List` is never constructed [INFO] [stdout] --> src/task6.rs:77:8 [INFO] [stdout] | [INFO] [stdout] 77 | struct List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_interface` is never used [INFO] [stdout] --> src/task6.rs:82:12 [INFO] [stdout] | [INFO] [stdout] 81 | impl List { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] 82 | pub fn get_interface(&mut self) -> Interface { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `use_list` is never used [INFO] [stdout] --> src/task6.rs:91:4 [INFO] [stdout] | [INFO] [stdout] 91 | fn use_list(list: &List) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] running `Command { std: "docker" "inspect" "0e85ea0159ab6ae4b00c3b05f7017a3d4bb71017f7f92af796d3f4c7d6c08300", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e85ea0159ab6ae4b00c3b05f7017a3d4bb71017f7f92af796d3f4c7d6c08300", kill_on_drop: false }` [INFO] [stdout] 0e85ea0159ab6ae4b00c3b05f7017a3d4bb71017f7f92af796d3f4c7d6c08300