[INFO] fetching crate sylt-typechecker 0.1.0... [INFO] checking sylt-typechecker-0.1.0 against master#f21fbac535ab2c3bc50db20547f4d48477357103 for pr-143193 [INFO] extracting crate sylt-typechecker 0.1.0 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate sylt-typechecker 0.1.0 [INFO] finished tweaking crates.io crate sylt-typechecker 0.1.0 [INFO] tweaked toml for crates.io crate sylt-typechecker 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate sylt-typechecker 0.1.0 on toolchain f21fbac535ab2c3bc50db20547f4d48477357103 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 17 packages to latest compatible versions [INFO] [stderr] Adding owo-colors v2.1.0 (available: v4.2.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded sylt-macro v0.1.0 [INFO] [stderr] Downloaded sylt-common v0.1.0 [INFO] [stderr] Downloaded sylt-tokenizer v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 16b80071b9904c9579e071a8e2eeaf5b58e5fdbbac01e8b5a8888cd9147c4d8e [INFO] running `Command { std: "docker" "start" "-a" "16b80071b9904c9579e071a8e2eeaf5b58e5fdbbac01e8b5a8888cd9147c4d8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "16b80071b9904c9579e071a8e2eeaf5b58e5fdbbac01e8b5a8888cd9147c4d8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16b80071b9904c9579e071a8e2eeaf5b58e5fdbbac01e8b5a8888cd9147c4d8e", kill_on_drop: false }` [INFO] [stdout] 16b80071b9904c9579e071a8e2eeaf5b58e5fdbbac01e8b5a8888cd9147c4d8e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 819daa610c4866b73889fdf0e60962b5c22a27e1852121ac41d3ec1247430994 [INFO] running `Command { std: "docker" "start" "-a" "819daa610c4866b73889fdf0e60962b5c22a27e1852121ac41d3ec1247430994", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling beef v0.5.2 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Checking owo-colors v2.1.0 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling logos-derive v0.12.1 [INFO] [stderr] Compiling sylt-macro v0.1.0 [INFO] [stderr] Checking logos v0.12.1 [INFO] [stderr] Checking sylt-tokenizer v0.1.0 [INFO] [stderr] Checking sylt-common v0.1.0 [INFO] [stderr] Checking sylt-typechecker v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trailing semicolon in macro used in expression position [INFO] [stdout] --> src/typechecker.rs:11:46 [INFO] [stdout] | [INFO] [stdout] 11 | return Err($thing.error($kind, None)); [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 823 | error!(self, RuntimeError::TypeError(op, vec![a.into()])) [INFO] [stdout] | --------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79813 [INFO] [stdout] = note: macro invocations at the end of a block are treated as expressions [INFO] [stdout] = note: to ignore the value produced by the macro, add a semicolon after the invocation of `error` [INFO] [stdout] = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default [INFO] [stdout] = note: this warning originates in the macro `error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trailing semicolon in macro used in expression position [INFO] [stdout] --> src/typechecker.rs:11:46 [INFO] [stdout] | [INFO] [stdout] 11 | return Err($thing.error($kind, None)); [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 823 | error!(self, RuntimeError::TypeError(op, vec![a.into()])) [INFO] [stdout] | --------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79813 [INFO] [stdout] = note: macro invocations at the end of a block are treated as expressions [INFO] [stdout] = note: to ignore the value produced by the macro, add a semicolon after the invocation of `error` [INFO] [stdout] = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default [INFO] [stdout] = note: this warning originates in the macro `error` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/typechecker.rs:325:24 [INFO] [stdout] | [INFO] [stdout] 325 | fn stack_from_base(&self, base: usize) -> Cow<[Value]> { [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] 325 | fn stack_from_base(&self, base: usize) -> Cow<'_, [Value]> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/typechecker.rs:325:24 [INFO] [stdout] | [INFO] [stdout] 325 | fn stack_from_base(&self, base: usize) -> Cow<[Value]> { [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] 325 | fn stack_from_base(&self, base: usize) -> Cow<'_, [Value]> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.16s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: sylt-typechecker v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "819daa610c4866b73889fdf0e60962b5c22a27e1852121ac41d3ec1247430994", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "819daa610c4866b73889fdf0e60962b5c22a27e1852121ac41d3ec1247430994", kill_on_drop: false }` [INFO] [stdout] 819daa610c4866b73889fdf0e60962b5c22a27e1852121ac41d3ec1247430994