[INFO] fetching crate ola-lang 0.1.1... [INFO] checking ola-lang-0.1.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate ola-lang 0.1.1 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate ola-lang 0.1.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ola-lang 0.1.1 [INFO] finished tweaking crates.io crate ola-lang 0.1.1 [INFO] tweaked toml for crates.io crate ola-lang 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate ola-lang 0.1.1 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crossbeam-epoch v0.9.17 [INFO] [stderr] Downloaded inkwell_internals v0.8.0 [INFO] [stderr] Downloaded crossbeam-deque v0.8.4 [INFO] [stderr] Downloaded key-node-list v0.0.5 [INFO] [stderr] Downloaded predicates v3.0.4 [INFO] [stderr] Downloaded assert_cmd v2.0.12 [INFO] [stderr] Downloaded ola-parser v1.0.1 [INFO] [stderr] Downloaded llvm-sys v150.1.2 [INFO] [stderr] Downloaded semver v1.0.20 [INFO] [stderr] Downloaded crossbeam-utils v0.8.18 [INFO] [stderr] Downloaded color-backtrace v0.5.1 [INFO] [stderr] Downloaded inkwell v0.2.0 [INFO] [stderr] Downloaded regex v1.10.1 [INFO] [stderr] Downloaded regex-automata v0.4.2 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8e510734594c105a5b01266adb97b1aed7fb91ef4ec5624a98e5d0b3d9840b39 [INFO] running `Command { std: "docker" "start" "-a" "8e510734594c105a5b01266adb97b1aed7fb91ef4ec5624a98e5d0b3d9840b39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8e510734594c105a5b01266adb97b1aed7fb91ef4ec5624a98e5d0b3d9840b39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e510734594c105a5b01266adb97b1aed7fb91ef4ec5624a98e5d0b3d9840b39", kill_on_drop: false }` [INFO] [stdout] 8e510734594c105a5b01266adb97b1aed7fb91ef4ec5624a98e5d0b3d9840b39 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 473f28a3323c8cb1235601755730926f2445f042e1d01f75d5d923e33ba5e93b [INFO] running `Command { std: "docker" "start" "-a" "473f28a3323c8cb1235601755730926f2445f042e1d01f75d5d923e33ba5e93b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling memchr v2.7.1 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling rustix v0.38.19 [INFO] [stderr] Compiling semver v1.0.20 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling smallvec v1.11.1 [INFO] [stderr] Compiling hashbrown v0.14.1 [INFO] 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insta v1.34.0 [INFO] [stderr] Checking predicates v3.0.4 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling regex v1.10.1 [INFO] [stderr] Checking bstr v1.9.0 [INFO] [stderr] Checking lalrpop-util v0.19.12 [INFO] [stderr] Checking env_logger v0.10.0 [INFO] [stderr] Checking color-backtrace v0.5.1 [INFO] [stderr] Compiling lalrpop v0.19.12 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking assert_cmd v2.0.12 [INFO] [stderr] Compiling llvm-sys v150.1.2 [INFO] [stderr] Compiling ola-parser v1.0.1 [INFO] [stderr] Checking ola-lang v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/sema/external_functions.rs:118:22 [INFO] [stdout] | [INFO] [stdout] 118 | for e in exprs { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 118 | while let Some(e) = exprs { [INFO] [stdout] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 118 | if let Some(e) = exprs { [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/irgen.rs:57:16 [INFO] [stdout] | [INFO] [stdout] 57 | BeginCheck(usize, String), [INFO] [stdout] | ---------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Test` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 57 | BeginCheck((), String), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> tests/irgen.rs:58:19 [INFO] [stdout] | [INFO] [stdout] 58 | Check(String, usize, String), [INFO] [stdout] | ----- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Test` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 58 | Check(String, (), String), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> tests/irgen.rs:59:25 [INFO] [stdout] | [INFO] [stdout] 59 | CheckAbsent(String, usize, String), [INFO] [stdout] | ----------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Test` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 59 | CheckAbsent(String, (), String), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> tests/irgen.rs:60:22 [INFO] [stdout] | [INFO] [stdout] 60 | NotCheck(String, usize, String), [INFO] [stdout] | -------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Test` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 60 | NotCheck(String, (), String), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/codegen.rs:48:11 [INFO] [stdout] | [INFO] [stdout] 48 | Check(usize, String), [INFO] [stdout] | ----- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Test` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 48 | Check((), String), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/codegen.rs:49:17 [INFO] [stdout] | [INFO] [stdout] 49 | CheckAbsent(usize, String), [INFO] [stdout] | ----------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Test` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 49 | CheckAbsent((), String), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/codegen.rs:50:14 [INFO] [stdout] | [INFO] [stdout] 50 | NotCheck(usize, String), [INFO] [stdout] | -------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Test` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 50 | NotCheck((), String), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/codegen.rs:51:12 [INFO] [stdout] | [INFO] [stdout] 51 | Rewind(usize), [INFO] [stdout] | ------ ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Test` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 51 | Rewind(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/sema/external_functions.rs:118:22 [INFO] [stdout] | [INFO] [stdout] 118 | for e in exprs { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 118 | while let Some(e) = exprs { [INFO] [stdout] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 118 | if let Some(e) = exprs { [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 06s [INFO] running `Command { std: "docker" "inspect" "473f28a3323c8cb1235601755730926f2445f042e1d01f75d5d923e33ba5e93b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "473f28a3323c8cb1235601755730926f2445f042e1d01f75d5d923e33ba5e93b", kill_on_drop: false }` [INFO] [stdout] 473f28a3323c8cb1235601755730926f2445f042e1d01f75d5d923e33ba5e93b