[INFO] cloning repository https://github.com/laopo001/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/laopo001/rust_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaopo001%2Frust_playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaopo001%2Frust_playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e0153976f77719f018ce55b078ea93b29039f3fc [INFO] testing laopo001/rust_playground against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaopo001%2Frust_playground" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/laopo001/rust_playground on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/laopo001/rust_playground [INFO] finished tweaking git repo https://github.com/laopo001/rust_playground [INFO] tweaked toml for git repo https://github.com/laopo001/rust_playground written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/laopo001/rust_playground already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] 4e866f4de725040a427995742060ad35884c0f28750d876a27dc460102a9fc3b [INFO] running `Command { std: "docker" "start" "-a" "4e866f4de725040a427995742060ad35884c0f28750d876a27dc460102a9fc3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4e866f4de725040a427995742060ad35884c0f28750d876a27dc460102a9fc3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e866f4de725040a427995742060ad35884c0f28750d876a27dc460102a9fc3b", kill_on_drop: false }` [INFO] [stdout] 4e866f4de725040a427995742060ad35884c0f28750d876a27dc460102a9fc3b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0e4f3f12d35fe060ec054e79127c793d47ee4acb4151feda143b2b4b5828b528 [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" "0e4f3f12d35fe060ec054e79127c793d47ee4acb4151feda143b2b4b5828b528", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling regex v1.3.7 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling rust_playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> src/bin/main6.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | name: i32, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `B` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/bin/main6.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.67s [INFO] running `Command { std: "docker" "inspect" "0e4f3f12d35fe060ec054e79127c793d47ee4acb4151feda143b2b4b5828b528", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e4f3f12d35fe060ec054e79127c793d47ee4acb4151feda143b2b4b5828b528", kill_on_drop: false }` [INFO] [stdout] 0e4f3f12d35fe060ec054e79127c793d47ee4acb4151feda143b2b4b5828b528 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", 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] 29f43552a48fd18f904369437672ca13992f1ee249208a6a984debd3ac4a1bd8 [INFO] running `Command { std: "docker" "start" "-a" "29f43552a48fd18f904369437672ca13992f1ee249208a6a984debd3ac4a1bd8", kill_on_drop: false }` [INFO] [stderr] Compiling rust_playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> src/bin/main6.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | name: i32, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `B` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/bin/main6.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.96s [INFO] running `Command { std: "docker" "inspect" "29f43552a48fd18f904369437672ca13992f1ee249208a6a984debd3ac4a1bd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29f43552a48fd18f904369437672ca13992f1ee249208a6a984debd3ac4a1bd8", kill_on_drop: false }` [INFO] [stdout] 29f43552a48fd18f904369437672ca13992f1ee249208a6a984debd3ac4a1bd8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fb64a43d8514246c59e0c121a165626368d9ae94dec1180fed048d522101e020 [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" "fb64a43d8514246c59e0c121a165626368d9ae94dec1180fed048d522101e020", 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] [stderr] warning: field is never read: `name` [INFO] [stderr] --> src/bin/main6.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | name: i32, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `B` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/bin/main6.rs:1:10 [INFO] [stderr] | [INFO] [stderr] 1 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `rust_playground` (bin "main6" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.21s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/closure-c9bafbd8b4dd5ab9) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/log-0ba64f83cd95c026) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/main-7c426832dbef9f9f) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/main2-d26b1a0bb82e4027) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/main3-3ba2705969aafaa6) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/main4-eb4281dcd79cd0b4) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/main5-9eff44ab3fea3423) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/main6-443b5341297663a1) [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/return_struct-f1f3a4b2da0dc483) [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/slice-9a2db14dfda64951) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "fb64a43d8514246c59e0c121a165626368d9ae94dec1180fed048d522101e020", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb64a43d8514246c59e0c121a165626368d9ae94dec1180fed048d522101e020", kill_on_drop: false }` [INFO] [stdout] fb64a43d8514246c59e0c121a165626368d9ae94dec1180fed048d522101e020