[INFO] updating cached repository https://github.com/Polly-lang/Polly [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d04e656dddb3e39cb8aacf26000cf33896f0ed52 [INFO] checking Polly-lang/Polly against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FPolly-lang%2FPolly" "work/builds/worker-4/source"` [INFO] [stderr] Cloning into 'work/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Polly-lang/Polly on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/Polly-lang/Polly [INFO] finished tweaking git repo https://github.com/Polly-lang/Polly [INFO] tweaked toml for git repo https://github.com/Polly-lang/Polly written to work/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/Polly-lang/Polly already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/crater/work/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] cfa2b8b28285d45d808a906edf37b5c6b2f616199c0ee6c866cc3ccd6ed3ca08 [INFO] running `"docker" "start" "-a" "cfa2b8b28285d45d808a906edf37b5c6b2f616199c0ee6c866cc3ccd6ed3ca08"` [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking serde v0.6.15 [INFO] [stderr] Checking serde_json v0.6.1 [INFO] [stderr] Checking polly v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/compiler/parser.rs:190:60 [INFO] [stderr] | [INFO] [stderr] 190 | ... return Ok(CompCall((ComponentCall::from_component(component)))); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the item `Value` is imported redundantly [INFO] [stderr] --> src/compiler/codegen.rs:335:9 [INFO] [stderr] | [INFO] [stderr] 9 | use serde_json::Value; [INFO] [stderr] | ----------------- the item `Value` is already imported here [INFO] [stderr] ... [INFO] [stderr] 335 | use serde_json::Value; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/template.rs:14:24 [INFO] [stderr] | [INFO] [stderr] 14 | pub type PollyFn = Box, &Rc>) [INFO] [stderr] | ________________________^ [INFO] [stderr] 15 | | -> Result>; [INFO] [stderr] | |___________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 14 | pub type PollyFn = Box, &Rc>) [INFO] [stderr] 15 | -> Result>; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: the item `Value` is imported redundantly [INFO] [stderr] --> src/template.rs:162:9 [INFO] [stderr] | [INFO] [stderr] 9 | use serde_json::Value; [INFO] [stderr] | ----------------- the item `Value` is already imported here [INFO] [stderr] ... [INFO] [stderr] 162 | use serde_json::Value; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/compiler/parser.rs:190:60 [INFO] [stderr] | [INFO] [stderr] 190 | ... return Ok(CompCall((ComponentCall::from_component(component)))); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the item `Value` is imported redundantly [INFO] [stderr] --> src/compiler/codegen.rs:335:9 [INFO] [stderr] | [INFO] [stderr] 9 | use serde_json::Value; [INFO] [stderr] | ----------------- the item `Value` is already imported here [INFO] [stderr] ... [INFO] [stderr] 335 | use serde_json::Value; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/template.rs:14:24 [INFO] [stderr] | [INFO] [stderr] 14 | pub type PollyFn = Box, &Rc>) [INFO] [stderr] | ________________________^ [INFO] [stderr] 15 | | -> Result>; [INFO] [stderr] | |___________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 14 | pub type PollyFn = Box, &Rc>) [INFO] [stderr] 15 | -> Result>; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: the item `Value` is imported redundantly [INFO] [stderr] --> src/template.rs:162:9 [INFO] [stderr] | [INFO] [stderr] 9 | use serde_json::Value; [INFO] [stderr] | ----------------- the item `Value` is already imported here [INFO] [stderr] ... [INFO] [stderr] 162 | use serde_json::Value; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/compiler/parser.rs:276:49 [INFO] [stderr] | [INFO] [stderr] 276 | ... return unexpected_eof!(Symbol(index, Equals)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/compiler/parser.rs:286:45 [INFO] [stderr] | [INFO] [stderr] 286 | ... None => return unexpected_eof!(Word(index, key)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/compiler/parser.rs:276:49 [INFO] [stderr] | [INFO] [stderr] 276 | ... return unexpected_eof!(Symbol(index, Equals)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/compiler/parser.rs:286:45 [INFO] [stderr] | [INFO] [stderr] 286 | ... None => return unexpected_eof!(Word(index, key)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.47s [INFO] running `"docker" "inspect" "cfa2b8b28285d45d808a906edf37b5c6b2f616199c0ee6c866cc3ccd6ed3ca08"` [INFO] running `"docker" "rm" "-f" "cfa2b8b28285d45d808a906edf37b5c6b2f616199c0ee6c866cc3ccd6ed3ca08"` [INFO] [stdout] cfa2b8b28285d45d808a906edf37b5c6b2f616199c0ee6c866cc3ccd6ed3ca08