[INFO] cloning repository https://github.com/undo-lang/vm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/undo-lang/vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fundo-lang%2Fvm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fundo-lang%2Fvm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] afada7a9e34bbb2ed0512bb2a3646a00f606affb [INFO] testing undo-lang/vm 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%2Fundo-lang%2Fvm" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/undo-lang/vm 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/undo-lang/vm [INFO] finished tweaking git repo https://github.com/undo-lang/vm [INFO] tweaked toml for git repo https://github.com/undo-lang/vm written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/undo-lang/vm 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] ab439203af659ea759a63e792c1fb94df9be2ea3e88dafc68d79643e76352641 [INFO] running `Command { std: "docker" "start" "-a" "ab439203af659ea759a63e792c1fb94df9be2ea3e88dafc68d79643e76352641", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ab439203af659ea759a63e792c1fb94df9be2ea3e88dafc68d79643e76352641", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab439203af659ea759a63e792c1fb94df9be2ea3e88dafc68d79643e76352641", kill_on_drop: false }` [INFO] [stdout] ab439203af659ea759a63e792c1fb94df9be2ea3e88dafc68d79643e76352641 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] fc649c55c81797f2c9c0560e15ddf2076618f1324b5772df78f7685e34cec609 [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" "fc649c55c81797f2c9c0560e15ddf2076618f1324b5772df78f7685e34cec609", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.1.40 [INFO] [stderr] Compiling serde_derive v1.0.100 [INFO] [stderr] Compiling serde v1.0.15 [INFO] [stderr] Compiling serde_json v1.0.3 [INFO] [stderr] Compiling undo-vm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `local` [INFO] [stdout] --> src/vm.rs:109:9 [INFO] [stdout] | [INFO] [stdout] 109 | for local in frame.locals { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_local` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arena` [INFO] [stdout] --> src/vm.rs:95:24 [INFO] [stdout] | [INFO] [stdout] 95 | fn compact(mut gc: GC, arena: Vec, frames: VecDeque, mut stack: Vec) -> Vec { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_arena` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `ThwartPtr` [INFO] [stdout] --> src/vm.rs:65:3 [INFO] [stdout] | [INFO] [stdout] 65 | ThwartPtr(usize), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `compact` [INFO] [stdout] --> src/vm.rs:95:4 [INFO] [stdout] | [INFO] [stdout] 95 | fn compact(mut gc: GC, arena: Vec, frames: VecDeque, mut stack: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set` [INFO] [stdout] --> src/vm.rs:129:6 [INFO] [stdout] | [INFO] [stdout] 129 | fn set(&mut self, i: usize, v: Value) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.39s [INFO] running `Command { std: "docker" "inspect" "fc649c55c81797f2c9c0560e15ddf2076618f1324b5772df78f7685e34cec609", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc649c55c81797f2c9c0560e15ddf2076618f1324b5772df78f7685e34cec609", kill_on_drop: false }` [INFO] [stdout] fc649c55c81797f2c9c0560e15ddf2076618f1324b5772df78f7685e34cec609 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 72eb12df8c28280ab9807e4cd767cc85b7ff0448d1ffc8e27ad0a641b8809a08 [INFO] running `Command { std: "docker" "start" "-a" "72eb12df8c28280ab9807e4cd767cc85b7ff0448d1ffc8e27ad0a641b8809a08", kill_on_drop: false }` [INFO] [stderr] Compiling undo-vm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `local` [INFO] [stdout] --> src/vm.rs:109:9 [INFO] [stdout] | [INFO] [stdout] 109 | for local in frame.locals { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_local` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arena` [INFO] [stdout] --> src/vm.rs:95:24 [INFO] [stdout] | [INFO] [stdout] 95 | fn compact(mut gc: GC, arena: Vec, frames: VecDeque, mut stack: Vec) -> Vec { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_arena` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `ThwartPtr` [INFO] [stdout] --> src/vm.rs:65:3 [INFO] [stdout] | [INFO] [stdout] 65 | ThwartPtr(usize), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `compact` [INFO] [stdout] --> src/vm.rs:95:4 [INFO] [stdout] | [INFO] [stdout] 95 | fn compact(mut gc: GC, arena: Vec, frames: VecDeque, mut stack: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set` [INFO] [stdout] --> src/vm.rs:129:6 [INFO] [stdout] | [INFO] [stdout] 129 | fn set(&mut self, i: usize, v: Value) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `local` [INFO] [stdout] --> src/vm.rs:109:9 [INFO] [stdout] | [INFO] [stdout] 109 | for local in frame.locals { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_local` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arena` [INFO] [stdout] --> src/vm.rs:95:24 [INFO] [stdout] | [INFO] [stdout] 95 | fn compact(mut gc: GC, arena: Vec, frames: VecDeque, mut stack: Vec) -> Vec { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_arena` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `ThwartPtr` [INFO] [stdout] --> src/vm.rs:65:3 [INFO] [stdout] | [INFO] [stdout] 65 | ThwartPtr(usize), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `compact` [INFO] [stdout] --> src/vm.rs:95:4 [INFO] [stdout] | [INFO] [stdout] 95 | fn compact(mut gc: GC, arena: Vec, frames: VecDeque, mut stack: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set` [INFO] [stdout] --> src/vm.rs:129:6 [INFO] [stdout] | [INFO] [stdout] 129 | fn set(&mut self, i: usize, v: Value) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.45s [INFO] running `Command { std: "docker" "inspect" "72eb12df8c28280ab9807e4cd767cc85b7ff0448d1ffc8e27ad0a641b8809a08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72eb12df8c28280ab9807e4cd767cc85b7ff0448d1ffc8e27ad0a641b8809a08", kill_on_drop: false }` [INFO] [stdout] 72eb12df8c28280ab9807e4cd767cc85b7ff0448d1ffc8e27ad0a641b8809a08 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 574b218d959ee6496a684d12e176236e2b7b3225996070ef1f3af77cab990fd0 [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" "574b218d959ee6496a684d12e176236e2b7b3225996070ef1f3af77cab990fd0", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused variable: `local` [INFO] [stderr] --> src/vm.rs:109:9 [INFO] [stderr] | [INFO] [stderr] 109 | for local in frame.locals { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_local` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `arena` [INFO] [stderr] --> src/vm.rs:95:24 [INFO] [stderr] | [INFO] [stderr] 95 | fn compact(mut gc: GC, arena: Vec, frames: VecDeque, mut stack: Vec) -> Vec { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_arena` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `ThwartPtr` [INFO] [stderr] --> src/vm.rs:65:3 [INFO] [stderr] | [INFO] [stderr] 65 | ThwartPtr(usize), [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `compact` [INFO] [stderr] --> src/vm.rs:95:4 [INFO] [stderr] | [INFO] [stderr] 95 | fn compact(mut gc: GC, arena: Vec, frames: VecDeque, mut stack: Vec) -> Vec { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `set` [INFO] [stderr] --> src/vm.rs:129:6 [INFO] [stderr] | [INFO] [stderr] 129 | fn set(&mut self, i: usize, v: Value) { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: `undo-vm` (lib) generated 5 warnings [INFO] [stderr] warning: `undo-vm` (lib test) generated 5 warnings (5 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.97s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/lib-2db9c9fe788fadae) [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/bin-7e2379360ade68bf) [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] Doc-tests lib [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] running `Command { std: "docker" "inspect" "574b218d959ee6496a684d12e176236e2b7b3225996070ef1f3af77cab990fd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "574b218d959ee6496a684d12e176236e2b7b3225996070ef1f3af77cab990fd0", kill_on_drop: false }` [INFO] [stdout] 574b218d959ee6496a684d12e176236e2b7b3225996070ef1f3af77cab990fd0