[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 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fundo-lang%2Fvm" "/workspace/builds/worker-101/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-101/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/undo-lang/vm on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-101/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", 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] Downloading crates ... [INFO] [stderr] Downloaded serde_derive v1.0.100 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dddceb8e4496c208bebb27e02b773db0964738e9369eced97eaa8b0c4a801c53 [INFO] running `Command { std: "docker" "start" "-a" "dddceb8e4496c208bebb27e02b773db0964738e9369eced97eaa8b0c4a801c53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dddceb8e4496c208bebb27e02b773db0964738e9369eced97eaa8b0c4a801c53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dddceb8e4496c208bebb27e02b773db0964738e9369eced97eaa8b0c4a801c53", kill_on_drop: false }` [INFO] [stdout] dddceb8e4496c208bebb27e02b773db0964738e9369eced97eaa8b0c4a801c53 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 138943dad582fb169d09fffe4a71ed267cf4f5214ec9078a1dca60f577f182cf [INFO] running `Command { std: "docker" "start" "-a" "138943dad582fb169d09fffe4a71ed267cf4f5214ec9078a1dca60f577f182cf", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.3 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling itoa v0.3.4 [INFO] [stderr] Compiling num-traits v0.1.40 [INFO] [stderr] Compiling dtoa v0.4.2 [INFO] [stderr] Compiling quote v1.0.2 [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 1m 09s [INFO] running `Command { std: "docker" "inspect" "138943dad582fb169d09fffe4a71ed267cf4f5214ec9078a1dca60f577f182cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "138943dad582fb169d09fffe4a71ed267cf4f5214ec9078a1dca60f577f182cf", kill_on_drop: false }` [INFO] [stdout] 138943dad582fb169d09fffe4a71ed267cf4f5214ec9078a1dca60f577f182cf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ae107d7e44f5d3a5e75aeec9b40e361feee5f22476c71ade048e0da09f5cd86 [INFO] running `Command { std: "docker" "start" "-a" "3ae107d7e44f5d3a5e75aeec9b40e361feee5f22476c71ade048e0da09f5cd86", kill_on_drop: false }` [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] [stderr] Compiling undo-vm v0.1.0 (/opt/rustwide/workdir) [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 0.74s [INFO] running `Command { std: "docker" "inspect" "3ae107d7e44f5d3a5e75aeec9b40e361feee5f22476c71ade048e0da09f5cd86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ae107d7e44f5d3a5e75aeec9b40e361feee5f22476c71ade048e0da09f5cd86", kill_on_drop: false }` [INFO] [stdout] 3ae107d7e44f5d3a5e75aeec9b40e361feee5f22476c71ade048e0da09f5cd86 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 59726b6592a9a5420f864081d435bb9c8f663b1546f70874b35b28efe684ab82 [INFO] running `Command { std: "docker" "start" "-a" "59726b6592a9a5420f864081d435bb9c8f663b1546f70874b35b28efe684ab82", 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 0.62s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/lib-c582e8d3ffa8bd84) [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/bin-4361a8d6a3ea81e0) [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] 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] running `Command { std: "docker" "inspect" "59726b6592a9a5420f864081d435bb9c8f663b1546f70874b35b28efe684ab82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59726b6592a9a5420f864081d435bb9c8f663b1546f70874b35b28efe684ab82", kill_on_drop: false }` [INFO] [stdout] 59726b6592a9a5420f864081d435bb9c8f663b1546f70874b35b28efe684ab82