[INFO] fetching crate stacking 0.2.5... [INFO] testing stacking-0.2.5 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate stacking 0.2.5 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate stacking 0.2.5 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate stacking 0.2.5 [INFO] finished tweaking crates.io crate stacking 0.2.5 [INFO] tweaked toml for crates.io crate stacking 0.2.5 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 153e23c22f72b7bf7e11a21c0b6940b05e9f0abdf8b2fb9970bc1aa3c4e9ff7d [INFO] running `Command { std: "docker" "start" "-a" "153e23c22f72b7bf7e11a21c0b6940b05e9f0abdf8b2fb9970bc1aa3c4e9ff7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "153e23c22f72b7bf7e11a21c0b6940b05e9f0abdf8b2fb9970bc1aa3c4e9ff7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "153e23c22f72b7bf7e11a21c0b6940b05e9f0abdf8b2fb9970bc1aa3c4e9ff7d", kill_on_drop: false }` [INFO] [stdout] 153e23c22f72b7bf7e11a21c0b6940b05e9f0abdf8b2fb9970bc1aa3c4e9ff7d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ec8b767055d88e4fc3b340762d4d6cc0391b7e7423500bcb27dea76a5016597f [INFO] running `Command { std: "docker" "start" "-a" "ec8b767055d88e4fc3b340762d4d6cc0391b7e7423500bcb27dea76a5016597f", kill_on_drop: false }` [INFO] [stderr] Compiling stacking v0.2.5 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.77s [INFO] running `Command { std: "docker" "inspect" "ec8b767055d88e4fc3b340762d4d6cc0391b7e7423500bcb27dea76a5016597f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec8b767055d88e4fc3b340762d4d6cc0391b7e7423500bcb27dea76a5016597f", kill_on_drop: false }` [INFO] [stdout] ec8b767055d88e4fc3b340762d4d6cc0391b7e7423500bcb27dea76a5016597f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2f62dcbd882509540000b0a04cfb3e5a563401a5c1f8f82926c0be0ffcd8b301 [INFO] running `Command { std: "docker" "start" "-a" "2f62dcbd882509540000b0a04cfb3e5a563401a5c1f8f82926c0be0ffcd8b301", kill_on_drop: false }` [INFO] [stderr] Compiling stacking v0.2.5 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.48s [INFO] running `Command { std: "docker" "inspect" "2f62dcbd882509540000b0a04cfb3e5a563401a5c1f8f82926c0be0ffcd8b301", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f62dcbd882509540000b0a04cfb3e5a563401a5c1f8f82926c0be0ffcd8b301", kill_on_drop: false }` [INFO] [stdout] 2f62dcbd882509540000b0a04cfb3e5a563401a5c1f8f82926c0be0ffcd8b301 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5fff8c05ee2d0e20fac1e27337dc16ba9df6fd2dd9f7cd125072df3eef33a6b7 [INFO] running `Command { std: "docker" "start" "-a" "5fff8c05ee2d0e20fac1e27337dc16ba9df6fd2dd9f7cd125072df3eef33a6b7", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/stacking-9554840592251d11) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test tests::empty_queue_pop ... ok [INFO] [stdout] test tests::empty_stack_pop ... ok [INFO] [stdout] test tests::queue_len ... ok [INFO] [stdout] test tests::queue_push_pop ... ok [INFO] [stdout] test tests::stack_len ... ok [INFO] [stdout] test tests::stack_push_pop ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests stacking [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test src/stack.rs - stack::stacks::Queue::pop (line 256) ... ok [INFO] [stdout] test src/stack.rs - stack::stacks::Stack::len (line 186) ... ok [INFO] [stdout] test src/stack.rs - stack::stacks::Stack::push (line 126) ... ok [INFO] [stdout] test src/lib.rs - (line 28) ... ok [INFO] [stdout] test src/stack.rs - stack::stacks::Queue::len (line 294) ... ok [INFO] [stdout] test src/stack.rs - stack::stacks::Stack::pop (line 147) ... ok [INFO] [stdout] test src/stack.rs - stack::stacks::Queue::push (line 229) ... ok [INFO] [stdout] test src/lib.rs - (line 10) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.59s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5fff8c05ee2d0e20fac1e27337dc16ba9df6fd2dd9f7cd125072df3eef33a6b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5fff8c05ee2d0e20fac1e27337dc16ba9df6fd2dd9f7cd125072df3eef33a6b7", kill_on_drop: false }` [INFO] [stdout] 5fff8c05ee2d0e20fac1e27337dc16ba9df6fd2dd9f7cd125072df3eef33a6b7