[INFO] fetching crate rust_vm 0.1.0... [INFO] testing rust_vm-0.1.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1 [INFO] extracting crate rust_vm 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate rust_vm 0.1.0 [INFO] finished tweaking crates.io crate rust_vm 0.1.0 [INFO] tweaked toml for crates.io crate rust_vm 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rust_vm 0.1.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate rust_vm 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 664c6edfcdb3dd95c8e6da0b3021cfafa6bdb4839e44f996d474c7327759b7a3 [INFO] running `Command { std: "docker" "start" "-a" "664c6edfcdb3dd95c8e6da0b3021cfafa6bdb4839e44f996d474c7327759b7a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "664c6edfcdb3dd95c8e6da0b3021cfafa6bdb4839e44f996d474c7327759b7a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "664c6edfcdb3dd95c8e6da0b3021cfafa6bdb4839e44f996d474c7327759b7a3", kill_on_drop: false }` [INFO] [stdout] 664c6edfcdb3dd95c8e6da0b3021cfafa6bdb4839e44f996d474c7327759b7a3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 99af248f9755c51f921038d9e293471758fc58611d56bb2d5dd1736644c67246 [INFO] running `Command { std: "docker" "start" "-a" "99af248f9755c51f921038d9e293471758fc58611d56bb2d5dd1736644c67246", kill_on_drop: false }` [INFO] [stderr] Compiling rust_vm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rust_vm::RustVM` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rust_vm::RustVM; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/rust_vm.rs:58:13 [INFO] [stdout] | [INFO] [stdout] 58 | let data = ins.data; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/rust_vm.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let mut ins = self.next_instruction(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `INSTRUCTION_BYTES` is never used [INFO] [stdout] --> src/rust_vm.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub static INSTRUCTION_BYTES:usize = 4; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `fmt` is never used [INFO] [stdout] --> src/rust_vm.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 13 | impl VMstate { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] 14 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `size` is never used [INFO] [stdout] --> src/rust_vm.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 30 | impl Instruction { [INFO] [stdout] | ---------------- associated function in this implementation [INFO] [stdout] 31 | pub fn size() -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `get_ip` and `get_instruction_length` are never used [INFO] [stdout] --> src/rust_vm.rs:71:12 [INFO] [stdout] | [INFO] [stdout] 45 | impl RustVM { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 71 | pub fn get_ip(&mut self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 75 | pub fn get_instruction_length() -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "99af248f9755c51f921038d9e293471758fc58611d56bb2d5dd1736644c67246", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99af248f9755c51f921038d9e293471758fc58611d56bb2d5dd1736644c67246", kill_on_drop: false }` [INFO] [stdout] 99af248f9755c51f921038d9e293471758fc58611d56bb2d5dd1736644c67246 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eaeb848d4644afcf0ec6f56023c74e4ed2fdb438df11541b33876d54075edd9d [INFO] running `Command { std: "docker" "start" "-a" "eaeb848d4644afcf0ec6f56023c74e4ed2fdb438df11541b33876d54075edd9d", kill_on_drop: false }` [INFO] [stderr] Compiling rust_vm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/rust_vm.rs:58:13 [INFO] [stdout] | [INFO] [stdout] 58 | let data = ins.data; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/rust_vm.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let mut ins = self.next_instruction(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `fmt` is never used [INFO] [stdout] --> src/rust_vm.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 13 | impl VMstate { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] 14 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s [INFO] running `Command { std: "docker" "inspect" "eaeb848d4644afcf0ec6f56023c74e4ed2fdb438df11541b33876d54075edd9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eaeb848d4644afcf0ec6f56023c74e4ed2fdb438df11541b33876d54075edd9d", kill_on_drop: false }` [INFO] [stdout] eaeb848d4644afcf0ec6f56023c74e4ed2fdb438df11541b33876d54075edd9d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4d1ebd3e1f96e327aff645041d0f1e4fa5065eac0cf22b17218e83482c03122f [INFO] running `Command { std: "docker" "start" "-a" "4d1ebd3e1f96e327aff645041d0f1e4fa5065eac0cf22b17218e83482c03122f", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `data` [INFO] [stdout] [INFO] [stderr] --> src/rust_vm.rs:58:13 [INFO] [stdout] running 3 tests [INFO] [stderr] | [INFO] [stdout] test test_instruction_length ... ok [INFO] [stderr] 58 | let data = ins.data; [INFO] [stdout] test test_ip_change ... ok [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] test test_init ... ok [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/rust_vm.rs:55:13 [INFO] [stderr] | [INFO] [stderr] 55 | let mut ins = self.next_instruction(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method `fmt` is never used [INFO] [stderr] --> src/rust_vm.rs:14:8 [INFO] [stderr] | [INFO] [stderr] 13 | impl VMstate { [INFO] [stderr] | ------------ method in this implementation [INFO] [stderr] 14 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `rust_vm` (bin "rust_vm" test) generated 3 warnings (run `cargo fix --bin "rust_vm" --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_vm-0e84493f6c41beda) [INFO] running `Command { std: "docker" "inspect" "4d1ebd3e1f96e327aff645041d0f1e4fa5065eac0cf22b17218e83482c03122f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d1ebd3e1f96e327aff645041d0f1e4fa5065eac0cf22b17218e83482c03122f", kill_on_drop: false }` [INFO] [stdout] 4d1ebd3e1f96e327aff645041d0f1e4fa5065eac0cf22b17218e83482c03122f