[INFO] cloning repository https://github.com/8picomu/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/8picomu/Rust-Playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F8picomu%2FRust-Playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F8picomu%2FRust-Playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 274d5ce7a66a6dca8c17f704fb0b0064e1339c6c [INFO] checking 8picomu/Rust-Playground against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F8picomu%2FRust-Playground" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/8picomu/Rust-Playground on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/8picomu/Rust-Playground [INFO] finished tweaking git repo https://github.com/8picomu/Rust-Playground [INFO] tweaked toml for git repo https://github.com/8picomu/Rust-Playground written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/8picomu/Rust-Playground already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1a5be3efdcb834257b7c678972eaa4bab6d545c12a7274c9c64b6369a725a236 [INFO] running `Command { std: "docker" "start" "-a" "1a5be3efdcb834257b7c678972eaa4bab6d545c12a7274c9c64b6369a725a236", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1a5be3efdcb834257b7c678972eaa4bab6d545c12a7274c9c64b6369a725a236", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a5be3efdcb834257b7c678972eaa4bab6d545c12a7274c9c64b6369a725a236", kill_on_drop: false }` [INFO] [stdout] 1a5be3efdcb834257b7c678972eaa4bab6d545c12a7274c9c64b6369a725a236 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b705c6673fcfbf5d21b37b036fb3c127c2129b05e2c167fea8ae8ded134231bc [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b705c6673fcfbf5d21b37b036fb3c127c2129b05e2c167fea8ae8ded134231bc", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking adqselect v0.1.3 [INFO] [stderr] Compiling tokio v1.10.0 [INFO] [stderr] Checking rust-playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::any::type_name` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::any::type_name; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `adqselect::nth_element` [INFO] [stdout] --> src/main.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | use adqselect::nth_element; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::any::type_name` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::any::type_name; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `adqselect::nth_element` [INFO] [stdout] --> src/main.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | use adqselect::nth_element; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | fn new(x: T) -> MyBox { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `reference_test` [INFO] [stdout] --> src/main.rs:64:4 [INFO] [stdout] | [INFO] [stdout] 64 | fn reference_test() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `reference_test2` [INFO] [stdout] --> src/main.rs:76:4 [INFO] [stdout] | [INFO] [stdout] 76 | fn reference_test2() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `unwind` [INFO] [stdout] --> src/main.rs:100:4 [INFO] [stdout] | [INFO] [stdout] 100 | fn unwind() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `EmptyVec` [INFO] [stdout] --> src/main.rs:117:5 [INFO] [stdout] | [INFO] [stdout] 117 | EmptyVec, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Result` [INFO] [stdout] --> src/main.rs:127:1 [INFO] [stdout] | [INFO] [stdout] 127 | type Result = std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `multiple_error` [INFO] [stdout] --> src/main.rs:132:4 [INFO] [stdout] | [INFO] [stdout] 132 | fn multiple_error(vec: Vec<&str>) -> Result{ [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | fn new(x: T) -> MyBox { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `reference_test` [INFO] [stdout] --> src/main.rs:64:4 [INFO] [stdout] | [INFO] [stdout] 64 | fn reference_test() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `reference_test2` [INFO] [stdout] --> src/main.rs:76:4 [INFO] [stdout] | [INFO] [stdout] 76 | fn reference_test2() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `unwind` [INFO] [stdout] --> src/main.rs:100:4 [INFO] [stdout] | [INFO] [stdout] 100 | fn unwind() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `EmptyVec` [INFO] [stdout] --> src/main.rs:117:5 [INFO] [stdout] | [INFO] [stdout] 117 | EmptyVec, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Result` [INFO] [stdout] --> src/main.rs:127:1 [INFO] [stdout] | [INFO] [stdout] 127 | type Result = std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `multiple_error` [INFO] [stdout] --> src/main.rs:132:4 [INFO] [stdout] | [INFO] [stdout] 132 | fn multiple_error(vec: Vec<&str>) -> Result{ [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.70s [INFO] running `Command { std: "docker" "inspect" "b705c6673fcfbf5d21b37b036fb3c127c2129b05e2c167fea8ae8ded134231bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b705c6673fcfbf5d21b37b036fb3c127c2129b05e2c167fea8ae8ded134231bc", kill_on_drop: false }` [INFO] [stdout] b705c6673fcfbf5d21b37b036fb3c127c2129b05e2c167fea8ae8ded134231bc