[INFO] crate yultsur 0.1.0 is already in cache
[INFO] testing yultsur-0.1.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate yultsur 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate yultsur 0.1.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0201fc6b46dbc43cd8b1fae5c8b93864bc1f5a07df9aca7cdb78cb35f4e2d0f
[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" "b0201fc6b46dbc43cd8b1fae5c8b93864bc1f5a07df9aca7cdb78cb35f4e2d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0201fc6b46dbc43cd8b1fae5c8b93864bc1f5a07df9aca7cdb78cb35f4e2d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0201fc6b46dbc43cd8b1fae5c8b93864bc1f5a07df9aca7cdb78cb35f4e2d0f", kill_on_drop: false }`
[INFO] [stdout] b0201fc6b46dbc43cd8b1fae5c8b93864bc1f5a07df9aca7cdb78cb35f4e2d0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 304ad6475642c76087e5a183eeb4318ccccb8e9bb79f5a0d64df6c2505c38c07
[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" "304ad6475642c76087e5a183eeb4318ccccb8e9bb79f5a0d64df6c2505c38c07", kill_on_drop: false }`
[INFO] [stderr]    Compiling yultsur v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "304ad6475642c76087e5a183eeb4318ccccb8e9bb79f5a0d64df6c2505c38c07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "304ad6475642c76087e5a183eeb4318ccccb8e9bb79f5a0d64df6c2505c38c07", kill_on_drop: false }`
[INFO] [stdout] 304ad6475642c76087e5a183eeb4318ccccb8e9bb79f5a0d64df6c2505c38c07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e30eeabd32b2d3c28fe515defb5ece4589ba66f649b0baf518cb308ff1297d0
[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" "0e30eeabd32b2d3c28fe515defb5ece4589ba66f649b0baf518cb308ff1297d0", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated item '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] [stderr]    Compiling yultsur v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "0e30eeabd32b2d3c28fe515defb5ece4589ba66f649b0baf518cb308ff1297d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e30eeabd32b2d3c28fe515defb5ece4589ba66f649b0baf518cb308ff1297d0", kill_on_drop: false }`
[INFO] [stdout] 0e30eeabd32b2d3c28fe515defb5ece4589ba66f649b0baf518cb308ff1297d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 59ad5f41bee6815b695bd54082c51e7608165470331701790a90b640edba1589
[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" "59ad5f41bee6815b695bd54082c51e7608165470331701790a90b640edba1589", kill_on_drop: false }`
[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:11:26
[INFO] [stderr]    |
[INFO] [stderr] 11 |             Type::Custom(ref custom) => Ok(()),
[INFO] [stderr]    |                          ^^^^^^^^^^ help: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_typed`
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout] running 31 tests
[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:11:26
[INFO] [stderr]    |
[INFO] [stderr] 11 |             Type::Custom(ref custom) => Ok(()),
[INFO] [stderr]    |                          ^^^^^^^^^^ help: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_typed`
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/yultsur-b2bc72300abdf926
[INFO] [stdout] test validator::tests::untyped_literal ... ok
[INFO] [stdout] test yul::tests::assignment_multi ... ok
[INFO] [stdout] test yul::tests::functioncall ... ok
[INFO] [stdout] test yul::tests::forloop ... ok
[INFO] [stdout] test yul::tests::functiondefinition_multi ... ok
[INFO] [stdout] test validator::tests::basic_type ... ok
[INFO] [stdout] test yul::tests::identifier_typed ... ok
[INFO] [stdout] test yul::tests::functiondefinition_single_ret ... ok
[INFO] [stdout] test yul::tests::functiondefinition_single_arg ... ok
[INFO] [stdout] test validator::tests::complex_example ... ok
[INFO] [stdout] test yul::tests::if_statement ... ok
[INFO] [stdout] test yul::tests::identifierr_custom_typed ... ok
[INFO] [stdout] test yul::tests::literal_custom_typed ... ok
[INFO] [stdout] test yul::tests::literal ... ok
[INFO] [stdout] test yul::tests::literal_typed ... ok
[INFO] [stdout] test yul::tests::variabledeclaration_multi ... ok
[INFO] [stdout] test yul::tests::variabledeclaration_single ... ok
[INFO] [stdout] test validator::tests::typed_literal ... ok
[INFO] [stdout] test yul::tests::functiondefinition_basic ... ok
[INFO] [stdout] test validator::tests::custom_type ... ok
[INFO] [stdout] test yul::tests::switch ... ok
[INFO] [stdout] test yul::tests::assignment_single ... ok
[INFO] [stdout] test yul::tests::case_default ... ok
[INFO] [stdout] test yul::tests::block_nested ... ok
[INFO] [stdout] test yul::tests::case ... ok
[INFO] [stdout] test validator::tests::invalid_custom_type ... ok
[INFO] [stdout] test yul::tests::variabledeclaration_empty ... ok
[INFO] [stdout] test validator::tests::case_invalid_default ... ok
[INFO] [stdout] test yul::tests::identifier ... ok
[INFO] [stdout] test yul::tests::block_empty ... ok
[INFO] [stdout] test yul::tests::block_literal ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests yultsur
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "59ad5f41bee6815b695bd54082c51e7608165470331701790a90b640edba1589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59ad5f41bee6815b695bd54082c51e7608165470331701790a90b640edba1589", kill_on_drop: false }`
[INFO] [stdout] 59ad5f41bee6815b695bd54082c51e7608165470331701790a90b640edba1589