[INFO] cloning repository https://github.com/Vest/synacor-vm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vest/synacor-vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVest%2Fsynacor-vm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVest%2Fsynacor-vm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d2b21aef896049dc13de8599c72781788c21fd36 [INFO] checking Vest/synacor-vm against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVest%2Fsynacor-vm" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Vest/synacor-vm on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Vest/synacor-vm [INFO] finished tweaking git repo https://github.com/Vest/synacor-vm [INFO] tweaked toml for git repo https://github.com/Vest/synacor-vm written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/Vest/synacor-vm already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e96a3ae283977349b1c809c8ce46a73447402bb15c4f5c5ba11ffbad41bfff02 [INFO] running `Command { std: "docker" "start" "-a" "e96a3ae283977349b1c809c8ce46a73447402bb15c4f5c5ba11ffbad41bfff02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e96a3ae283977349b1c809c8ce46a73447402bb15c4f5c5ba11ffbad41bfff02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e96a3ae283977349b1c809c8ce46a73447402bb15c4f5c5ba11ffbad41bfff02", kill_on_drop: false }` [INFO] [stdout] e96a3ae283977349b1c809c8ce46a73447402bb15c4f5c5ba11ffbad41bfff02 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 904c57bb61b4f95c7cc805ab7aefcf599794df59ed83267151387fa818519efc [INFO] running `Command { std: "docker" "start" "-a" "904c57bb61b4f95c7cc805ab7aefcf599794df59ed83267151387fa818519efc", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking thread_local v1.1.2 [INFO] [stderr] Checking log v0.4.13 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking env_logger v0.8.2 [INFO] [stderr] Checking synacor-vm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `set_value` [INFO] [stdout] --> src/mem.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn set_value(&mut self, address: u16, value: u16) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/cpu.rs:430:13 [INFO] [stdout] | [INFO] [stdout] 430 | self.set_value_in_address(raw_a, c as u16); [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: unused `Result` that must be used [INFO] [stdout] --> src/cpu.rs:432:13 [INFO] [stdout] | [INFO] [stdout] 432 | self.set_value_in_address(raw_a, 0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/cpu.rs:430:13 [INFO] [stdout] | [INFO] [stdout] 430 | self.set_value_in_address(raw_a, c as u16); [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: unused `Result` that must be used [INFO] [stdout] --> src/cpu.rs:432:13 [INFO] [stdout] | [INFO] [stdout] 432 | self.set_value_in_address(raw_a, 0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.24s [INFO] running `Command { std: "docker" "inspect" "904c57bb61b4f95c7cc805ab7aefcf599794df59ed83267151387fa818519efc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "904c57bb61b4f95c7cc805ab7aefcf599794df59ed83267151387fa818519efc", kill_on_drop: false }` [INFO] [stdout] 904c57bb61b4f95c7cc805ab7aefcf599794df59ed83267151387fa818519efc