[INFO] cloning repository https://github.com/Johan-Mi/stack_machine [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Johan-Mi/stack_machine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohan-Mi%2Fstack_machine", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohan-Mi%2Fstack_machine'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 32560613d78c8a83742ebddc007ddcc8774c8954 [INFO] testing Johan-Mi/stack_machine against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohan-Mi%2Fstack_machine" "/workspace/builds/worker-15/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Johan-Mi/stack_machine on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Johan-Mi/stack_machine [INFO] finished tweaking git repo https://github.com/Johan-Mi/stack_machine [INFO] tweaked toml for git repo https://github.com/Johan-Mi/stack_machine written to /workspace/builds/worker-15/source/Cargo.toml [INFO] crate git repo https://github.com/Johan-Mi/stack_machine already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6ac1e803e26c09796081cef69a7e9db72aa5adf07cf0ce9d27e8b0a77b0e642a [INFO] running `Command { std: "docker" "start" "-a" "6ac1e803e26c09796081cef69a7e9db72aa5adf07cf0ce9d27e8b0a77b0e642a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6ac1e803e26c09796081cef69a7e9db72aa5adf07cf0ce9d27e8b0a77b0e642a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ac1e803e26c09796081cef69a7e9db72aa5adf07cf0ce9d27e8b0a77b0e642a", kill_on_drop: false }` [INFO] [stdout] 6ac1e803e26c09796081cef69a7e9db72aa5adf07cf0ce9d27e8b0a77b0e642a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b7c4ad3799579a69202a280a7e0e5944b29d7da9627e0ee798f2ca1c80f1e880 [INFO] running `Command { std: "docker" "start" "-a" "b7c4ad3799579a69202a280a7e0e5944b29d7da9627e0ee798f2ca1c80f1e880", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.58 [INFO] [stderr] Compiling itertools v0.10.0 [INFO] [stderr] Compiling thiserror-impl v1.0.23 [INFO] [stderr] Compiling derive_more v0.99.11 [INFO] [stderr] Compiling thiserror v1.0.23 [INFO] [stderr] Compiling stack_machine v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/list.rs:33:18 [INFO] [stdout] | [INFO] [stdout] 33 | .intersperse(Cow::Borrowed(" ")) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/machine.rs:77:18 [INFO] [stdout] | [INFO] [stdout] 77 | .intersperse(Cow::Borrowed(" ")) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.80s [INFO] running `Command { std: "docker" "inspect" "b7c4ad3799579a69202a280a7e0e5944b29d7da9627e0ee798f2ca1c80f1e880", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7c4ad3799579a69202a280a7e0e5944b29d7da9627e0ee798f2ca1c80f1e880", kill_on_drop: false }` [INFO] [stdout] b7c4ad3799579a69202a280a7e0e5944b29d7da9627e0ee798f2ca1c80f1e880 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1897371b99d05c356bdf746be0a1b39d17084f0299b92b31b29b041a1d2bc223 [INFO] running `Command { std: "docker" "start" "-a" "1897371b99d05c356bdf746be0a1b39d17084f0299b92b31b29b041a1d2bc223", kill_on_drop: false }` [INFO] [stderr] Compiling stack_machine v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/list.rs:33:18 [INFO] [stdout] | [INFO] [stdout] 33 | .intersperse(Cow::Borrowed(" ")) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/machine.rs:77:18 [INFO] [stdout] | [INFO] [stdout] 77 | .intersperse(Cow::Borrowed(" ")) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `Command { std: "docker" "inspect" "1897371b99d05c356bdf746be0a1b39d17084f0299b92b31b29b041a1d2bc223", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1897371b99d05c356bdf746be0a1b39d17084f0299b92b31b29b041a1d2bc223", kill_on_drop: false }` [INFO] [stdout] 1897371b99d05c356bdf746be0a1b39d17084f0299b92b31b29b041a1d2bc223 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 161b3c396b5ab9f21e834ca98484e6b1069c4118d67448a3b986ad4f008988ee [INFO] running `Command { std: "docker" "start" "-a" "161b3c396b5ab9f21e834ca98484e6b1069c4118d67448a3b986ad4f008988ee", kill_on_drop: false }` [INFO] [stderr] warning: an associated function with this name may be added to the standard library in the future [INFO] [stderr] --> src/list.rs:33:18 [INFO] [stderr] | [INFO] [stderr] 33 | .intersperse(Cow::Borrowed(" ")) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stderr] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stderr] = note: for more information, see issue #48919 [INFO] [stderr] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stderr] [INFO] [stderr] warning: an associated function with this name may be added to the standard library in the future [INFO] [stderr] --> src/machine.rs:77:18 [INFO] [stderr] | [INFO] [stderr] 77 | .intersperse(Cow::Borrowed(" ")) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stderr] = note: for more information, see issue #48919 [INFO] [stderr] = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method [INFO] [stderr] [INFO] [stderr] warning: `stack_machine` (bin "stack_machine" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/stack_machine-fe868ca4e2bbb976) [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" "161b3c396b5ab9f21e834ca98484e6b1069c4118d67448a3b986ad4f008988ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "161b3c396b5ab9f21e834ca98484e6b1069c4118d67448a3b986ad4f008988ee", kill_on_drop: false }` [INFO] [stdout] 161b3c396b5ab9f21e834ca98484e6b1069c4118d67448a3b986ad4f008988ee