[INFO] fetching crate yultsur 0.1.0...
[INFO] checking yultsur-0.1.0 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate yultsur 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate yultsur 0.1.0 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d4d9ff5c6a24aa8750de3151be6f9484c18078eed775955362391c131805e47
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5d4d9ff5c6a24aa8750de3151be6f9484c18078eed775955362391c131805e47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d4d9ff5c6a24aa8750de3151be6f9484c18078eed775955362391c131805e47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d4d9ff5c6a24aa8750de3151be6f9484c18078eed775955362391c131805e47", kill_on_drop: false }`
[INFO] [stdout] 5d4d9ff5c6a24aa8750de3151be6f9484c18078eed775955362391c131805e47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2192b9dfbca71ff523fcd34916c92d24b788f9a9f0ae8963ff0157af4b6dec59
[INFO] running `Command { std: "docker" "start" "-a" "2192b9dfbca71ff523fcd34916c92d24b788f9a9f0ae8963ff0157af4b6dec59", kill_on_drop: false }`
[INFO] [stderr]     Checking yultsur v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         try!(write!(f, "{}", self.literal));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         try!(write!(f, "{}", self.identifier));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |         try!(write!(f, "{}(", self.identifier));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         try!(write!(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |         try!(write!(f, "function {}(", self.name));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |         try!(write!(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |         try!(write!(f, ")"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:198:13
[INFO] [stdout]     |
[INFO] [stdout] 198 |             try!(write!(f, " -> "));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |             try!(write!(
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         try!(write!(f, "let "));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:220:9
[INFO] [stdout]     |
[INFO] [stdout] 220 |         try!(write!(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 |         try!(write!(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:288:9
[INFO] [stdout]     |
[INFO] [stdout] 288 |         try!(write!(f, "switch {} ", self.expression));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:290:13
[INFO] [stdout]     |
[INFO] [stdout] 290 |             try!(write!(f, "{} ", case));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 |         try!(write!(f, "{{"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:329:13
[INFO] [stdout]     |
[INFO] [stdout] 329 |             try!(write!(f, " {}", statement));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         try!(write!(f, "{}", self.literal));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         try!(write!(f, "{}", self.identifier));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |         try!(write!(f, "{}(", self.identifier));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         try!(write!(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |         try!(write!(f, "function {}(", self.name));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |         try!(write!(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |         try!(write!(f, ")"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:198:13
[INFO] [stdout]     |
[INFO] [stdout] 198 |             try!(write!(f, " -> "));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:199:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |             try!(write!(
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         try!(write!(f, "let "));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:220:9
[INFO] [stdout]     |
[INFO] [stdout] 220 |         try!(write!(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 |         try!(write!(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:288:9
[INFO] [stdout]     |
[INFO] [stdout] 288 |         try!(write!(f, "switch {} ", self.expression));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:290:13
[INFO] [stdout]     |
[INFO] [stdout] 290 |             try!(write!(f, "{} ", case));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 |         try!(write!(f, "{{"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/yul.rs:329:13
[INFO] [stdout]     |
[INFO] [stdout] 329 |             try!(write!(f, " {}", statement));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `custom`
[INFO] [stdout]   --> src/validator.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 |             Type::Custom(ref custom) => Ok(()),
[INFO] [stdout]    |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_custom`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `typed`
[INFO] [stdout]  --> src/validator.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn validate(&self, typed: bool) -> Result<(), String> {
[INFO] [stdout]   |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_typed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `custom`
[INFO] [stdout]   --> src/validator.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 |             Type::Custom(ref custom) => Ok(()),
[INFO] [stdout]    |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_custom`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `typed`
[INFO] [stdout]  --> src/validator.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn validate(&self, typed: bool) -> Result<(), String> {
[INFO] [stdout]   |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_typed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "2192b9dfbca71ff523fcd34916c92d24b788f9a9f0ae8963ff0157af4b6dec59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2192b9dfbca71ff523fcd34916c92d24b788f9a9f0ae8963ff0157af4b6dec59", kill_on_drop: false }`
[INFO] [stdout] 2192b9dfbca71ff523fcd34916c92d24b788f9a9f0ae8963ff0157af4b6dec59