[INFO] crate polly 0.1.2 is already in cache
[INFO] checking polly-0.1.2 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] extracting crate polly 0.1.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate polly 0.1.2 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate polly 0.1.2
[INFO] finished tweaking crates.io crate polly 0.1.2
[INFO] tweaked toml for crates.io crate polly 0.1.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 84442407fd739b2fba02588ee43bc9e70d0fa73c7226f979084f3f43dba01370
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "84442407fd739b2fba02588ee43bc9e70d0fa73c7226f979084f3f43dba01370"`
[INFO] [stderr]     Checking clap v2.33.0
[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:189:60
[INFO] [stderr]     |
[INFO] [stderr] 189 | ...                   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: unused label
[INFO] [stderr]    --> src/compiler/parser.rs:224:9
[INFO] [stderr]     |
[INFO] [stderr] 224 |         'element: while let Some(token) = self.take() {
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_labels)]` 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<Fn(BTreeMap<String, ArgValue>, &Rc<RefCell<Template>>)
[INFO] [stderr]    |  ________________________^
[INFO] [stderr] 15 | |                           -> Result<String, String>>;
[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<dyn Fn(BTreeMap<String, ArgValue>, &Rc<RefCell<Template>>)
[INFO] [stderr] 15 |                           -> Result<String, String>>;
[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:189:60
[INFO] [stderr]     |
[INFO] [stderr] 189 | ...                   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: unused label
[INFO] [stderr]    --> src/compiler/parser.rs:224:9
[INFO] [stderr]     |
[INFO] [stderr] 224 |         'element: while let Some(token) = self.take() {
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_labels)]` 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<Fn(BTreeMap<String, ArgValue>, &Rc<RefCell<Template>>)
[INFO] [stderr]    |  ________________________^
[INFO] [stderr] 15 | |                           -> Result<String, String>>;
[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<dyn Fn(BTreeMap<String, ArgValue>, &Rc<RefCell<Template>>)
[INFO] [stderr] 15 |                           -> Result<String, String>>;
[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:275:49
[INFO] [stderr]     |
[INFO] [stderr] 15  |         return Err(UnexpectedEof($token));
[INFO] [stderr]     |         --------------------------------- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 275 |                                                 return unexpected_eof!(Symbol(index, Equals));
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/compiler/parser.rs:285:45
[INFO] [stderr]     |
[INFO] [stderr] 15  |         return Err(UnexpectedEof($token));
[INFO] [stderr]     |         --------------------------------- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 285 |                                     None => return unexpected_eof!(Word(index, key)),
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/compiler/codegen.rs:293:42
[INFO] [stderr]     |
[INFO] [stderr] 293 |             AstError(ref error) => error.description(),
[INFO] [stderr]     |                                          ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/compiler/codegen.rs:297:47
[INFO] [stderr]     |
[INFO] [stderr] 297 |             FromUtf8Error(ref error) => error.description(),
[INFO] [stderr]     |                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/compiler/codegen.rs:299:41
[INFO] [stderr]     |
[INFO] [stderr] 299 |             IoError(ref error) => error.description(),
[INFO] [stderr]     |                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/compiler/codegen.rs:315:71
[INFO] [stderr]     |
[INFO] [stderr] 315 |             CompPassedToComp(ref name) => format!("{} NAME: {}", self.description(), name),
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/compiler/codegen.rs:317:70
[INFO] [stderr]     |
[INFO] [stderr] 317 |             FunctionError(ref error) => format!("{} ERROR: {}", self.description(), error),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/compiler/codegen.rs:320:45
[INFO] [stderr]     |
[INFO] [stderr] 320 |                 format!("{} NAME: {}", self.description(), name)
[INFO] [stderr]     |                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/compiler/codegen.rs:324:30
[INFO] [stderr]     |
[INFO] [stderr] 324 |                         self.description(),
[INFO] [stderr]     |                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/compiler/tokens/ast.rs:101:48
[INFO] [stderr]     |
[INFO] [stderr] 101 |             Eof => return write!(f, "{}", self.description()),
[INFO] [stderr]     |                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/compiler/tokens/ast.rs:113:45
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 return write!(f, "{}", self.description())
[INFO] [stderr]     |                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/compiler/tokens/ast.rs:117:39
[INFO] [stderr]     |
[INFO] [stderr] 117 |         write!(f, "{}, Got: {}", self.description(), lexeme)
[INFO] [stderr]     |                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/compiler/parser.rs:275:49
[INFO] [stderr]     |
[INFO] [stderr] 15  |         return Err(UnexpectedEof($token));
[INFO] [stderr]     |         --------------------------------- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 275 |                                                 return unexpected_eof!(Symbol(index, Equals));
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/compiler/parser.rs:285:45
[INFO] [stderr]     |
[INFO] [stderr] 15  |         return Err(UnexpectedEof($token));
[INFO] [stderr]     |         --------------------------------- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 285 |                                     None => return unexpected_eof!(Word(index, key)),
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/compiler/codegen.rs:293:42
[INFO] [stderr]     |
[INFO] [stderr] 293 |             AstError(ref error) => error.description(),
[INFO] [stderr]     |                                          ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/compiler/codegen.rs:297:47
[INFO] [stderr]     |
[INFO] [stderr] 297 |             FromUtf8Error(ref error) => error.description(),
[INFO] [stderr]     |                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/compiler/codegen.rs:299:41
[INFO] [stderr]     |
[INFO] [stderr] 299 |             IoError(ref error) => error.description(),
[INFO] [stderr]     |                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/compiler/codegen.rs:315:71
[INFO] [stderr]     |
[INFO] [stderr] 315 |             CompPassedToComp(ref name) => format!("{} NAME: {}", self.description(), name),
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/compiler/codegen.rs:317:70
[INFO] [stderr]     |
[INFO] [stderr] 317 |             FunctionError(ref error) => format!("{} ERROR: {}", self.description(), error),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/compiler/codegen.rs:320:45
[INFO] [stderr]     |
[INFO] [stderr] 320 |                 format!("{} NAME: {}", self.description(), name)
[INFO] [stderr]     |                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/compiler/codegen.rs:324:30
[INFO] [stderr]     |
[INFO] [stderr] 324 |                         self.description(),
[INFO] [stderr]     |                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/compiler/tokens/ast.rs:101:48
[INFO] [stderr]     |
[INFO] [stderr] 101 |             Eof => return write!(f, "{}", self.description()),
[INFO] [stderr]     |                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/compiler/tokens/ast.rs:113:45
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 return write!(f, "{}", self.description())
[INFO] [stderr]     |                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/compiler/tokens/ast.rs:117:39
[INFO] [stderr]     |
[INFO] [stderr] 117 |         write!(f, "{}, Got: {}", self.description(), lexeme)
[INFO] [stderr]     |                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.97s
[INFO] running `"docker" "inspect" "84442407fd739b2fba02588ee43bc9e70d0fa73c7226f979084f3f43dba01370"`
[INFO] running `"docker" "rm" "-f" "84442407fd739b2fba02588ee43bc9e70d0fa73c7226f979084f3f43dba01370"`
[INFO] [stdout] 84442407fd739b2fba02588ee43bc9e70d0fa73c7226f979084f3f43dba01370