[INFO] cloning repository https://github.com/zesterer/fuckvm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zesterer/fuckvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzesterer%2Ffuckvm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzesterer%2Ffuckvm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cf2751673cba6fe0eba6495ce0585958097add51 [INFO] testing zesterer/fuckvm against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzesterer%2Ffuckvm" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zesterer/fuckvm on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zesterer/fuckvm [INFO] finished tweaking git repo https://github.com/zesterer/fuckvm [INFO] tweaked toml for git repo https://github.com/zesterer/fuckvm written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/zesterer/fuckvm already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6106c6583f3e5c385e611a7599f8661ce909b0e9383e0555d3969a9fd4b68a1b [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" "6106c6583f3e5c385e611a7599f8661ce909b0e9383e0555d3969a9fd4b68a1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6106c6583f3e5c385e611a7599f8661ce909b0e9383e0555d3969a9fd4b68a1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6106c6583f3e5c385e611a7599f8661ce909b0e9383e0555d3969a9fd4b68a1b", kill_on_drop: false }` [INFO] [stdout] 6106c6583f3e5c385e611a7599f8661ce909b0e9383e0555d3969a9fd4b68a1b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ab344519a4d32f3a33bb95a29fcffb6f21cba1c3ecaad47d1f65ebfea6b92ad7 [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" "ab344519a4d32f3a33bb95a29fcffb6f21cba1c3ecaad47d1f65ebfea6b92ad7", kill_on_drop: false }` [INFO] [stderr] Compiling fuckvm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/bf/bfir.rs:113:17 [INFO] [stdout] | [INFO] [stdout] 113 | _ => unimplemented!(), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/ir/lir.rs:165:21 [INFO] [stdout] | [INFO] [stdout] 165 | _ => unimplemented!(), [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack_size` [INFO] [stdout] --> src/bf/bfir.rs:111:37 [INFO] [stdout] | [INFO] [stdout] 111 | lir::Branch::Return(stack_size) => [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack_size` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `SCRATCH_3` [INFO] [stdout] --> src/bf/bfir.rs:165:1 [INFO] [stdout] | [INFO] [stdout] 165 | const SCRATCH_3: usize = 9; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `sub_byte_zeroing` [INFO] [stdout] --> src/bf/bfir.rs:189:4 [INFO] [stdout] | [INFO] [stdout] 189 | fn sub_byte_zeroing(from: usize, to: usize) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/test.rs:69:5 [INFO] [stdout] | [INFO] [stdout] 69 | vm.exec(&bf); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.10s [INFO] running `Command { std: "docker" "inspect" "ab344519a4d32f3a33bb95a29fcffb6f21cba1c3ecaad47d1f65ebfea6b92ad7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab344519a4d32f3a33bb95a29fcffb6f21cba1c3ecaad47d1f65ebfea6b92ad7", kill_on_drop: false }` [INFO] [stdout] ab344519a4d32f3a33bb95a29fcffb6f21cba1c3ecaad47d1f65ebfea6b92ad7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3dfb169dc4cc0c82515b965b466d0220627402dcd485a54e37c7c3d82e11e95c [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" "3dfb169dc4cc0c82515b965b466d0220627402dcd485a54e37c7c3d82e11e95c", kill_on_drop: false }` [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/bf/bfir.rs:113:17 [INFO] [stdout] | [INFO] [stdout] 113 | _ => unimplemented!(), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling fuckvm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/ir/lir.rs:165:21 [INFO] [stdout] | [INFO] [stdout] 165 | _ => unimplemented!(), [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack_size` [INFO] [stdout] --> src/bf/bfir.rs:111:37 [INFO] [stdout] | [INFO] [stdout] 111 | lir::Branch::Return(stack_size) => [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack_size` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `SCRATCH_3` [INFO] [stdout] --> src/bf/bfir.rs:165:1 [INFO] [stdout] | [INFO] [stdout] 165 | const SCRATCH_3: usize = 9; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `sub_byte_zeroing` [INFO] [stdout] --> src/bf/bfir.rs:189:4 [INFO] [stdout] | [INFO] [stdout] 189 | fn sub_byte_zeroing(from: usize, to: usize) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/test.rs:69:5 [INFO] [stdout] | [INFO] [stdout] 69 | vm.exec(&bf); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/bf/bfir.rs:113:17 [INFO] [stdout] | [INFO] [stdout] 113 | _ => unimplemented!(), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/ir/lir.rs:165:21 [INFO] [stdout] | [INFO] [stdout] 165 | _ => unimplemented!(), [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stack_size` [INFO] [stdout] --> src/bf/bfir.rs:111:37 [INFO] [stdout] | [INFO] [stdout] 111 | lir::Branch::Return(stack_size) => [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack_size` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `SCRATCH_3` [INFO] [stdout] --> src/bf/bfir.rs:165:1 [INFO] [stdout] | [INFO] [stdout] 165 | const SCRATCH_3: usize = 9; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `sub_byte_zeroing` [INFO] [stdout] --> src/bf/bfir.rs:189:4 [INFO] [stdout] | [INFO] [stdout] 189 | fn sub_byte_zeroing(from: usize, to: usize) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.68s [INFO] running `Command { std: "docker" "inspect" "3dfb169dc4cc0c82515b965b466d0220627402dcd485a54e37c7c3d82e11e95c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3dfb169dc4cc0c82515b965b466d0220627402dcd485a54e37c7c3d82e11e95c", kill_on_drop: false }` [INFO] [stdout] 3dfb169dc4cc0c82515b965b466d0220627402dcd485a54e37c7c3d82e11e95c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 91cefab31b7617b7e94aeb33ea919e39a59366e06ca8ecaecf2c92ee9a4c43f2 [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" "91cefab31b7617b7e94aeb33ea919e39a59366e06ca8ecaecf2c92ee9a4c43f2", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/bf/bfir.rs:113:17 [INFO] [stderr] | [INFO] [stderr] 113 | _ => unimplemented!(), [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/ir/lir.rs:165:21 [INFO] [stderr] | [INFO] [stderr] 165 | _ => unimplemented!(), [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `stack_size` [INFO] [stderr] --> src/bf/bfir.rs:111:37 [INFO] [stderr] | [INFO] [stderr] 111 | lir::Branch::Return(stack_size) => [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stack_size` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `SCRATCH_3` [INFO] [stderr] --> src/bf/bfir.rs:165:1 [INFO] [stderr] | [INFO] [stderr] 165 | const SCRATCH_3: usize = 9; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sub_byte_zeroing` [INFO] [stderr] --> src/bf/bfir.rs:189:4 [INFO] [stderr] | [INFO] [stderr] 189 | fn sub_byte_zeroing(from: usize, to: usize) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `fuckvm` (lib) generated 5 warnings [INFO] [stderr] warning: `fuckvm` (lib test) generated 5 warnings (5 duplicates) [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/bin/test.rs:69:5 [INFO] [stderr] | [INFO] [stderr] 69 | vm.exec(&bf); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `fuckvm` (bin "test" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/fuckvm-34205af534c53a15) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/test-870467fbb215a40f) [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/vm-7a84cc3faa57b5a8) [INFO] [stdout] [INFO] [stderr] Doc-tests fuckvm [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] [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" "91cefab31b7617b7e94aeb33ea919e39a59366e06ca8ecaecf2c92ee9a4c43f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91cefab31b7617b7e94aeb33ea919e39a59366e06ca8ecaecf2c92ee9a4c43f2", kill_on_drop: false }` [INFO] [stdout] 91cefab31b7617b7e94aeb33ea919e39a59366e06ca8ecaecf2c92ee9a4c43f2