[INFO] fetching crate alaybey 0.0.1... [INFO] checking alaybey-0.0.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate alaybey 0.0.1 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate alaybey 0.0.1 [INFO] finished tweaking crates.io crate alaybey 0.0.1 [INFO] tweaked toml for crates.io crate alaybey 0.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate alaybey 0.0.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate alaybey 0.0.1 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d866cadba8db63bd040461b58c01da9fbc12e6d01d651bf533909775239bb756 [INFO] running `Command { std: "docker" "start" "-a" "d866cadba8db63bd040461b58c01da9fbc12e6d01d651bf533909775239bb756", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d866cadba8db63bd040461b58c01da9fbc12e6d01d651bf533909775239bb756", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d866cadba8db63bd040461b58c01da9fbc12e6d01d651bf533909775239bb756", kill_on_drop: false }` [INFO] [stdout] d866cadba8db63bd040461b58c01da9fbc12e6d01d651bf533909775239bb756 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8cbd15c81c5cb3564aedd093b7a204693e1f9ed662777ca4b311dee833069ad3 [INFO] running `Command { std: "docker" "start" "-a" "8cbd15c81c5cb3564aedd093b7a204693e1f9ed662777ca4b311dee833069ad3", kill_on_drop: false }` [INFO] [stderr] Checking alaybey v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | pub mod lib; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib/compiler/mod.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | / &lexers[1..lexers.len() - 1] [INFO] [stdout] 19 | | .iter() [INFO] [stdout] 20 | | .filter(|val| { [INFO] [stdout] 21 | | let semi_colon = &val [INFO] [stdout] ... | [INFO] [stdout] 135 | | }) [INFO] [stdout] 136 | | .count(); [INFO] [stdout] | |________________________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 18 | let _ = &lexers[1..lexers.len() - 1] [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib/vm/mod.rs:113:16 [INFO] [stdout] | [INFO] [stdout] 113 | pub fn run(&mut self) -> VMResult<()> { [INFO] [stdout] | ^^^^^^^^^ ------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 113 | pub fn run(&mut self) -> VMResult<'_, ()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib/vm/mod.rs:136:14 [INFO] [stdout] | [INFO] [stdout] 136 | fn fetch(&mut self) -> VMResult<()> { [INFO] [stdout] | ^^^^^^^^^ ------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 136 | fn fetch(&mut self) -> VMResult<'_, ()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib/vm/mod.rs:202:15 [INFO] [stdout] | [INFO] [stdout] 202 | fn decode(&mut self) -> VMResult<()> { [INFO] [stdout] | ^^^^^^^^^ ------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 202 | fn decode(&mut self) -> VMResult<'_, ()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib/vm/mod.rs:222:13 [INFO] [stdout] | [INFO] [stdout] 222 | fn exec(&mut self) -> VMResult<()> { [INFO] [stdout] | ^^^^^^^^^ ------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 222 | fn exec(&mut self) -> VMResult<'_, ()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib/vm/mod.rs:255:25 [INFO] [stdout] | [INFO] [stdout] 255 | fn stack_opearation(&mut self) -> VMResult<()> { [INFO] [stdout] | ^^^^^^^^^ ------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 255 | fn stack_opearation(&mut self) -> VMResult<'_, ()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib/vm/mod.rs:314:16 [INFO] [stdout] | [INFO] [stdout] 314 | fn operate(&mut self, opcode: OpCode) -> VMResult<()> { [INFO] [stdout] | ^^^^^^^^^ ------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 314 | fn operate(&mut self, opcode: OpCode) -> VMResult<'_, ()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s [INFO] running `Command { std: "docker" "inspect" "8cbd15c81c5cb3564aedd093b7a204693e1f9ed662777ca4b311dee833069ad3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8cbd15c81c5cb3564aedd093b7a204693e1f9ed662777ca4b311dee833069ad3", kill_on_drop: false }` [INFO] [stdout] 8cbd15c81c5cb3564aedd093b7a204693e1f9ed662777ca4b311dee833069ad3