[INFO] cloning repository https://github.com/przprz/rust-playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/przprz/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprzprz%2Frust-playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprzprz%2Frust-playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] da07dd27a84aeb4db9290bcb3d7a18d25b5ee897 [INFO] testing przprz/rust-playground/da07dd27a84aeb4db9290bcb3d7a18d25b5ee897 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprzprz%2Frust-playground" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/przprz/rust-playground [INFO] finished tweaking git repo https://github.com/przprz/rust-playground [INFO] tweaked toml for git repo https://github.com/przprz/rust-playground written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/przprz/rust-playground on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/przprz/rust-playground 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d3783987764b9e572225f49f03bbad91d80862d2f7944ff1010852691a581357 [INFO] running `Command { std: "docker" "start" "-a" "d3783987764b9e572225f49f03bbad91d80862d2f7944ff1010852691a581357", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d3783987764b9e572225f49f03bbad91d80862d2f7944ff1010852691a581357", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3783987764b9e572225f49f03bbad91d80862d2f7944ff1010852691a581357", kill_on_drop: false }` [INFO] [stdout] d3783987764b9e572225f49f03bbad91d80862d2f7944ff1010852691a581357 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 132072a18a9481f93ef9c34b98bc96f39dbeca9f477eed32a41cb97516b551e9 [INFO] running `Command { std: "docker" "start" "-a" "132072a18a9481f93ef9c34b98bc96f39dbeca9f477eed32a41cb97516b551e9", kill_on_drop: false }` [INFO] [stderr] Compiling rust-playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `traits::Magnify` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use traits::Magnify; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `traits::Mountain` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use traits::Mountain; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Foo` is never constructed [INFO] [stdout] --> src/functions.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct Foo; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Foo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Bar` is never constructed [INFO] [stdout] --> src/functions.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Bar; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `bar` is never used [INFO] [stdout] --> src/functions.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 6 | impl Foo { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] 7 | fn bar(&self) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `bar` is never used [INFO] [stdout] --> src/functions.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 12 | impl Bar { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] 13 | fn bar(&self) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `f` is never used [INFO] [stdout] --> src/functions.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn f() { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Thhh` is never constructed [INFO] [stdout] --> src/threads.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Thhh; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Thhh` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `t` is never used [INFO] [stdout] --> src/threads.rs:7:15 [INFO] [stdout] | [INFO] [stdout] 7 | pub(crate) fn t() { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `T` is never used [INFO] [stdout] --> src/q.rs:4:6 [INFO] [stdout] | [INFO] [stdout] 4 | enum T { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `T` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `C` is never constructed [INFO] [stdout] --> src/q.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | struct C { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `q` is never used [INFO] [stdout] --> src/q.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn q() { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `use_c` is never used [INFO] [stdout] --> src/q.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn use_c(c: &C) -> String { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `P` is never constructed [INFO] [stdout] --> src/q/p.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct P; [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Magnify` is never used [INFO] [stdout] --> src/traits.rs:1:18 [INFO] [stdout] | [INFO] [stdout] 1 | pub(crate) trait Magnify { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Slide` is never used [INFO] [stdout] --> src/traits.rs:17:18 [INFO] [stdout] | [INFO] [stdout] 17 | pub(crate) trait Slide { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Mountain` is never constructed [INFO] [stdout] --> src/traits.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub struct Mountain { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/traits.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 30 | impl Mountain { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 31 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `Command { std: "docker" "inspect" "132072a18a9481f93ef9c34b98bc96f39dbeca9f477eed32a41cb97516b551e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "132072a18a9481f93ef9c34b98bc96f39dbeca9f477eed32a41cb97516b551e9", kill_on_drop: false }` [INFO] [stdout] 132072a18a9481f93ef9c34b98bc96f39dbeca9f477eed32a41cb97516b551e9 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 5f024412a2e6880a80c231933b0b639f6d8110654f8b7193e92e2200cfeafc03 [INFO] running `Command { std: "docker" "start" "-a" "5f024412a2e6880a80c231933b0b639f6d8110654f8b7193e92e2200cfeafc03", kill_on_drop: false }` [INFO] [stderr] Compiling rust-playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `traits::Magnify` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use traits::Magnify; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `traits::Mountain` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use traits::Mountain; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Foo` is never constructed [INFO] [stdout] --> src/functions.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct Foo; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Foo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Bar` is never constructed [INFO] [stdout] --> src/functions.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Bar; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `bar` is never used [INFO] [stdout] --> src/functions.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 6 | impl Foo { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] 7 | fn bar(&self) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `bar` is never used [INFO] [stdout] --> src/functions.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 12 | impl Bar { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] 13 | fn bar(&self) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `f` is never used [INFO] [stdout] --> src/functions.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn f() { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Thhh` is never constructed [INFO] [stdout] --> src/threads.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Thhh; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Thhh` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `t` is never used [INFO] [stdout] --> src/threads.rs:7:15 [INFO] [stdout] | [INFO] [stdout] 7 | pub(crate) fn t() { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `T` is never used [INFO] [stdout] --> src/q.rs:4:6 [INFO] [stdout] | [INFO] [stdout] 4 | enum T { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `T` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `C` is never constructed [INFO] [stdout] --> src/q.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | struct C { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `q` is never used [INFO] [stdout] --> src/q.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn q() { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `use_c` is never used [INFO] [stdout] --> src/q.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn use_c(c: &C) -> String { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `P` is never constructed [INFO] [stdout] --> src/q/p.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct P; [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Magnify` is never used [INFO] [stdout] --> src/traits.rs:1:18 [INFO] [stdout] | [INFO] [stdout] 1 | pub(crate) trait Magnify { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Slide` is never used [INFO] [stdout] --> src/traits.rs:17:18 [INFO] [stdout] | [INFO] [stdout] 17 | pub(crate) trait Slide { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Mountain` is never constructed [INFO] [stdout] --> src/traits.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub struct Mountain { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/traits.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 30 | impl Mountain { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 31 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s [INFO] running `Command { std: "docker" "inspect" "5f024412a2e6880a80c231933b0b639f6d8110654f8b7193e92e2200cfeafc03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f024412a2e6880a80c231933b0b639f6d8110654f8b7193e92e2200cfeafc03", kill_on_drop: false }` [INFO] [stdout] 5f024412a2e6880a80c231933b0b639f6d8110654f8b7193e92e2200cfeafc03 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 105c98a2fee4fdc01d1ce9afa0d972a27b154ef644c5f5b147f9b80c2dfe69b2 [INFO] running `Command { std: "docker" "start" "-a" "105c98a2fee4fdc01d1ce9afa0d972a27b154ef644c5f5b147f9b80c2dfe69b2", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `traits::Magnify` [INFO] [stdout] [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 7 | use traits::Magnify; [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `traits::Mountain` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use traits::Mountain; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Foo` is never constructed [INFO] [stderr] --> src/functions.rs:2:8 [INFO] [stderr] | [INFO] [stderr] 2 | struct Foo; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Foo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct `Bar` is never constructed [INFO] [stderr] --> src/functions.rs:4:8 [INFO] [stderr] | [INFO] [stderr] 4 | struct Bar; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: method `bar` is never used [INFO] [stderr] --> src/functions.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 6 | impl Foo { [INFO] [stderr] | -------- method in this implementation [INFO] [stderr] 7 | fn bar(&self) { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: method `bar` is never used [INFO] [stderr] --> src/functions.rs:13:8 [INFO] [stderr] | [INFO] [stderr] 12 | impl Bar { [INFO] [stderr] | -------- method in this implementation [INFO] [stderr] 13 | fn bar(&self) { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function `f` is never used [INFO] [stderr] --> src/functions.rs:18:8 [INFO] [stderr] | [INFO] [stderr] 18 | pub fn f() { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: struct `Thhh` is never constructed [INFO] [stderr] --> src/threads.rs:5:8 [INFO] [stderr] | [INFO] [stderr] 5 | struct Thhh; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Thhh` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: function `t` is never used [INFO] [stderr] --> src/threads.rs:7:15 [INFO] [stderr] | [INFO] [stderr] 7 | pub(crate) fn t() { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: enum `T` is never used [INFO] [stderr] --> src/q.rs:4:6 [INFO] [stderr] | [INFO] [stderr] 4 | enum T { [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `T` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: struct `C` is never constructed [INFO] [stderr] --> src/q.rs:9:8 [INFO] [stderr] | [INFO] [stderr] 9 | struct C { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: function `q` is never used [INFO] [stderr] --> src/q.rs:14:8 [INFO] [stderr] | [INFO] [stderr] 14 | pub fn q() { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: function `use_c` is never used [INFO] [stderr] --> src/q.rs:24:4 [INFO] [stderr] | [INFO] [stderr] 24 | fn use_c(c: &C) -> String { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `P` is never constructed [INFO] [stderr] --> src/q/p.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | pub struct P; [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: trait `Magnify` is never used [INFO] [stderr] --> src/traits.rs:1:18 [INFO] [stderr] | [INFO] [stderr] 1 | pub(crate) trait Magnify { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait `Slide` is never used [INFO] [stderr] --> src/traits.rs:17:18 [INFO] [stderr] | [INFO] [stderr] 17 | pub(crate) trait Slide { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Mountain` is never constructed [INFO] [stderr] --> src/traits.rs:27:12 [INFO] [stderr] | [INFO] [stderr] 27 | pub struct Mountain { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> src/traits.rs:31:12 [INFO] [stderr] | [INFO] [stderr] 30 | impl Mountain { [INFO] [stderr] | ------------- associated function in this implementation [INFO] [stderr] 31 | pub fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: `rust-playground` (bin "rust-playground" test) generated 18 warnings (run `cargo fix --bin "rust-playground" --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rust_playground-16b5a9140d4f78d2) [INFO] running `Command { std: "docker" "inspect" "105c98a2fee4fdc01d1ce9afa0d972a27b154ef644c5f5b147f9b80c2dfe69b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "105c98a2fee4fdc01d1ce9afa0d972a27b154ef644c5f5b147f9b80c2dfe69b2", kill_on_drop: false }` [INFO] [stdout] 105c98a2fee4fdc01d1ce9afa0d972a27b154ef644c5f5b147f9b80c2dfe69b2