[INFO] fetching crate yultsur 0.1.0...
[INFO] checking yultsur-0.1.0 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate yultsur 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate yultsur 0.1.0 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate yultsur 0.1.0
[INFO] finished tweaking crates.io crate yultsur 0.1.0
[INFO] tweaked toml for crates.io crate yultsur 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0b8dc97516aeaa1fe45f9716c533b197a39e20d28c800fd9a8157bf3cea0f984
[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" "0b8dc97516aeaa1fe45f9716c533b197a39e20d28c800fd9a8157bf3cea0f984"`
[INFO] [stderr]     Checking yultsur v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |         try!(write!(f, "{}", self.literal));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:159:9
[INFO] [stderr]     |
[INFO] [stderr] 159 |         try!(write!(f, "{}", self.identifier));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:170:9
[INFO] [stderr]     |
[INFO] [stderr] 170 |         try!(write!(f, "{}(", self.identifier));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 |         try!(write!(
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:186:9
[INFO] [stderr]     |
[INFO] [stderr] 186 |         try!(write!(f, "function {}(", self.name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:187:9
[INFO] [stderr]     |
[INFO] [stderr] 187 |         try!(write!(
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 196 |         try!(write!(f, ")"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:198:13
[INFO] [stderr]     |
[INFO] [stderr] 198 |             try!(write!(f, " -> "));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:199:13
[INFO] [stderr]     |
[INFO] [stderr] 199 |             try!(write!(
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |         try!(write!(f, "let "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:220:9
[INFO] [stderr]     |
[INFO] [stderr] 220 |         try!(write!(
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:243:9
[INFO] [stderr]     |
[INFO] [stderr] 243 |         try!(write!(
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:288:9
[INFO] [stderr]     |
[INFO] [stderr] 288 |         try!(write!(f, "switch {} ", self.expression));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:290:13
[INFO] [stderr]     |
[INFO] [stderr] 290 |             try!(write!(f, "{} ", case));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:327:9
[INFO] [stderr]     |
[INFO] [stderr] 327 |         try!(write!(f, "{{"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:329:13
[INFO] [stderr]     |
[INFO] [stderr] 329 |             try!(write!(f, " {}", statement));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `custom`
[INFO] [stderr]   --> src/validator.rs:11:30
[INFO] [stderr]    |
[INFO] [stderr] 11 |             Type::Custom(ref custom) => Ok(()),
[INFO] [stderr]    |                              ^^^^^^ help: consider prefixing with an underscore: `_custom`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `typed`
[INFO] [stderr]  --> src/validator.rs:8:24
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn validate(&self, typed: bool) -> Result<(), String> {
[INFO] [stderr]   |                        ^^^^^ help: consider prefixing with an underscore: `_typed`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |         try!(write!(f, "{}", self.literal));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:159:9
[INFO] [stderr]     |
[INFO] [stderr] 159 |         try!(write!(f, "{}", self.identifier));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:170:9
[INFO] [stderr]     |
[INFO] [stderr] 170 |         try!(write!(f, "{}(", self.identifier));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 |         try!(write!(
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:186:9
[INFO] [stderr]     |
[INFO] [stderr] 186 |         try!(write!(f, "function {}(", self.name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:187:9
[INFO] [stderr]     |
[INFO] [stderr] 187 |         try!(write!(
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 196 |         try!(write!(f, ")"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:198:13
[INFO] [stderr]     |
[INFO] [stderr] 198 |             try!(write!(f, " -> "));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:199:13
[INFO] [stderr]     |
[INFO] [stderr] 199 |             try!(write!(
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |         try!(write!(f, "let "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:220:9
[INFO] [stderr]     |
[INFO] [stderr] 220 |         try!(write!(
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:243:9
[INFO] [stderr]     |
[INFO] [stderr] 243 |         try!(write!(
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:288:9
[INFO] [stderr]     |
[INFO] [stderr] 288 |         try!(write!(f, "switch {} ", self.expression));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:290:13
[INFO] [stderr]     |
[INFO] [stderr] 290 |             try!(write!(f, "{} ", case));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:327:9
[INFO] [stderr]     |
[INFO] [stderr] 327 |         try!(write!(f, "{{"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/yul.rs:329:13
[INFO] [stderr]     |
[INFO] [stderr] 329 |             try!(write!(f, " {}", statement));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `custom`
[INFO] [stderr]   --> src/validator.rs:11:30
[INFO] [stderr]    |
[INFO] [stderr] 11 |             Type::Custom(ref custom) => Ok(()),
[INFO] [stderr]    |                              ^^^^^^ help: consider prefixing with an underscore: `_custom`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `typed`
[INFO] [stderr]  --> src/validator.rs:8:24
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn validate(&self, typed: bool) -> Result<(), String> {
[INFO] [stderr]   |                        ^^^^^ help: consider prefixing with an underscore: `_typed`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "0b8dc97516aeaa1fe45f9716c533b197a39e20d28c800fd9a8157bf3cea0f984"`
[INFO] running `"docker" "rm" "-f" "0b8dc97516aeaa1fe45f9716c533b197a39e20d28c800fd9a8157bf3cea0f984"`
[INFO] [stdout] 0b8dc97516aeaa1fe45f9716c533b197a39e20d28c800fd9a8157bf3cea0f984