[INFO] fetching crate stacking 0.2.5... [INFO] testing stacking-0.2.5 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate stacking 0.2.5 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate stacking 0.2.5 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c93f6d0814584b4e5d388e75b651087945346414032c24ed04fbbdfc4492d61c [INFO] running `Command { std: "docker" "start" "-a" "c93f6d0814584b4e5d388e75b651087945346414032c24ed04fbbdfc4492d61c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c93f6d0814584b4e5d388e75b651087945346414032c24ed04fbbdfc4492d61c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c93f6d0814584b4e5d388e75b651087945346414032c24ed04fbbdfc4492d61c", kill_on_drop: false }` [INFO] [stdout] c93f6d0814584b4e5d388e75b651087945346414032c24ed04fbbdfc4492d61c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 263a060028e9d3b32faf94c3462cc91ecd1baafde86945ccb9f2bf03ded8d2fd [INFO] running `Command { std: "docker" "start" "-a" "263a060028e9d3b32faf94c3462cc91ecd1baafde86945ccb9f2bf03ded8d2fd", kill_on_drop: false }` [INFO] [stderr] Compiling stacking v0.2.5 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "263a060028e9d3b32faf94c3462cc91ecd1baafde86945ccb9f2bf03ded8d2fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "263a060028e9d3b32faf94c3462cc91ecd1baafde86945ccb9f2bf03ded8d2fd", kill_on_drop: false }` [INFO] [stdout] 263a060028e9d3b32faf94c3462cc91ecd1baafde86945ccb9f2bf03ded8d2fd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fc635d0ba960914a1722335b6014712fc76c8b0c85c24b296ff4d731da8dd442 [INFO] running `Command { std: "docker" "start" "-a" "fc635d0ba960914a1722335b6014712fc76c8b0c85c24b296ff4d731da8dd442", kill_on_drop: false }` [INFO] [stderr] Compiling stacking v0.2.5 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.42s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/stacking-9554840592251d11) [INFO] running `Command { std: "docker" "inspect" "fc635d0ba960914a1722335b6014712fc76c8b0c85c24b296ff4d731da8dd442", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc635d0ba960914a1722335b6014712fc76c8b0c85c24b296ff4d731da8dd442", kill_on_drop: false }` [INFO] [stdout] fc635d0ba960914a1722335b6014712fc76c8b0c85c24b296ff4d731da8dd442 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 186ac73ce51461884632086f7422468500319f78eb2bd69312941e5585a126a5 [INFO] running `Command { std: "docker" "start" "-a" "186ac73ce51461884632086f7422468500319f78eb2bd69312941e5585a126a5", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stacking-9554840592251d11) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test tests::queue_push_pop ... ok [INFO] [stdout] test tests::queue_len ... ok [INFO] [stdout] test tests::empty_stack_pop ... ok [INFO] [stdout] test tests::stack_len ... ok [INFO] [stdout] test tests::stack_push_pop ... ok [INFO] [stdout] test tests::empty_queue_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::Queue::push (line 229) ... ok [INFO] [stdout] test src/stack.rs - stack::stacks::Queue::len (line 294) ... ok [INFO] [stdout] test src/stack.rs - stack::stacks::Stack::push (line 126) ... ok [INFO] [stdout] test src/stack.rs - stack::stacks::Stack::pop (line 147) ... ok [INFO] [stdout] test src/lib.rs - (line 28) ... ok [INFO] [stdout] test src/lib.rs - (line 10) ... ok [INFO] [stdout] test src/stack.rs - stack::stacks::Stack::len (line 186) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.53s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "186ac73ce51461884632086f7422468500319f78eb2bd69312941e5585a126a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "186ac73ce51461884632086f7422468500319f78eb2bd69312941e5585a126a5", kill_on_drop: false }` [INFO] [stdout] 186ac73ce51461884632086f7422468500319f78eb2bd69312941e5585a126a5