[INFO] fetching crate strings 0.1.1...
[INFO] checking strings-0.1.1 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate strings 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate strings 0.1.1 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate strings 0.1.1
[INFO] finished tweaking crates.io crate strings 0.1.1
[INFO] tweaked toml for crates.io crate strings 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b293765d64a78f020bc98ff304a18ac1a349931622b7f51ef23eb461ee186b72
[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" "b293765d64a78f020bc98ff304a18ac1a349931622b7f51ef23eb461ee186b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b293765d64a78f020bc98ff304a18ac1a349931622b7f51ef23eb461ee186b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b293765d64a78f020bc98ff304a18ac1a349931622b7f51ef23eb461ee186b72", kill_on_drop: false }`
[INFO] [stdout] b293765d64a78f020bc98ff304a18ac1a349931622b7f51ef23eb461ee186b72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 803361e4d28dc542e7686aa1ced83cccbfe6bb5406f7283b081c155ec40ad5cb
[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" "803361e4d28dc542e7686aa1ced83cccbfe6bb5406f7283b081c155ec40ad5cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking strings v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/string_buffer.rs:196:13
[INFO] [stdout]     |
[INFO] [stdout] 196 |             try!(write!(fmt, "{}", node.data));
[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/string_buffer.rs:210:9
[INFO] [stdout]     |
[INFO] [stdout] 210 |         try!(write!(f, "StringBuffer[{:?}", self.first.data));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/string_buffer.rs:214:13
[INFO] [stdout]     |
[INFO] [stdout] 214 |             try!(write!(f, ", {:?}", next.data));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/rope.rs:240:17
[INFO] [stdout]     |
[INFO] [stdout] 240 |                 try!(write!(fmt,
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/rope.rs:259:17
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 try!(write!(fmt, "|"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/rope.rs:265:17
[INFO] [stdout]     |
[INFO] [stdout] 265 |                 try!(write!(fmt,
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/rope.rs:315:17
[INFO] [stdout]     |
[INFO] [stdout] 315 |                 try!(write!(fmt, "("));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/rope.rs:317:21
[INFO] [stdout]     |
[INFO] [stdout] 317 |                     try!(write!(fmt, "left: {:?}", &**left));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/rope.rs:319:21
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     try!(write!(fmt, "left: ()"));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/rope.rs:321:17
[INFO] [stdout]     |
[INFO] [stdout] 321 |                 try!(write!(fmt, ", "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/rope.rs:323:21
[INFO] [stdout]     |
[INFO] [stdout] 323 |                     try!(write!(fmt, "right: {:?}", &**right));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/rope.rs:325:21
[INFO] [stdout]     |
[INFO] [stdout] 325 |                     try!(write!(fmt, "right: ()"));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/src_rope.rs:284:17
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 try!(write!(fmt,
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/src_rope.rs:303:17
[INFO] [stdout]     |
[INFO] [stdout] 303 |                 try!(write!(fmt, "|"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/src_rope.rs:309:17
[INFO] [stdout]     |
[INFO] [stdout] 309 |                 try!(write!(fmt,
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/src_rope.rs:359:17
[INFO] [stdout]     |
[INFO] [stdout] 359 |                 try!(write!(fmt, "("));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/src_rope.rs:361:21
[INFO] [stdout]     |
[INFO] [stdout] 361 |                     try!(write!(fmt, "left: {:?}", &**left));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/src_rope.rs:363:21
[INFO] [stdout]     |
[INFO] [stdout] 363 |                     try!(write!(fmt, "left: ()"));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/src_rope.rs:365:17
[INFO] [stdout]     |
[INFO] [stdout] 365 |                 try!(write!(fmt, ", "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/src_rope.rs:367:21
[INFO] [stdout]     |
[INFO] [stdout] 367 |                     try!(write!(fmt, "right: {:?}", &**right));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/src_rope.rs:369:21
[INFO] [stdout]     |
[INFO] [stdout] 369 |                     try!(write!(fmt, "right: ()"));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/ropes/src_rope.rs:1017:13
[INFO] [stdout]      |
[INFO] [stdout] 1017 |             (src_loc as isize + self.src_offset)
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/string_buffer.rs:196:13
[INFO] [stdout]     |
[INFO] [stdout] 196 |             try!(write!(fmt, "{}", node.data));
[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/string_buffer.rs:210:9
[INFO] [stdout]     |
[INFO] [stdout] 210 |         try!(write!(f, "StringBuffer[{:?}", self.first.data));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/string_buffer.rs:214:13
[INFO] [stdout]     |
[INFO] [stdout] 214 |             try!(write!(f, ", {:?}", next.data));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/rope.rs:240:17
[INFO] [stdout]     |
[INFO] [stdout] 240 |                 try!(write!(fmt,
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/rope.rs:259:17
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 try!(write!(fmt, "|"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/rope.rs:265:17
[INFO] [stdout]     |
[INFO] [stdout] 265 |                 try!(write!(fmt,
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/rope.rs:315:17
[INFO] [stdout]     |
[INFO] [stdout] 315 |                 try!(write!(fmt, "("));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/rope.rs:317:21
[INFO] [stdout]     |
[INFO] [stdout] 317 |                     try!(write!(fmt, "left: {:?}", &**left));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/rope.rs:319:21
[INFO] [stdout]     |
[INFO] [stdout] 319 |                     try!(write!(fmt, "left: ()"));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/rope.rs:321:17
[INFO] [stdout]     |
[INFO] [stdout] 321 |                 try!(write!(fmt, ", "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/rope.rs:323:21
[INFO] [stdout]     |
[INFO] [stdout] 323 |                     try!(write!(fmt, "right: {:?}", &**right));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/rope.rs:325:21
[INFO] [stdout]     |
[INFO] [stdout] 325 |                     try!(write!(fmt, "right: ()"));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/src_rope.rs:284:17
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 try!(write!(fmt,
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/src_rope.rs:303:17
[INFO] [stdout]     |
[INFO] [stdout] 303 |                 try!(write!(fmt, "|"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/src_rope.rs:309:17
[INFO] [stdout]     |
[INFO] [stdout] 309 |                 try!(write!(fmt,
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/src_rope.rs:359:17
[INFO] [stdout]     |
[INFO] [stdout] 359 |                 try!(write!(fmt, "("));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/src_rope.rs:361:21
[INFO] [stdout]     |
[INFO] [stdout] 361 |                     try!(write!(fmt, "left: {:?}", &**left));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/src_rope.rs:363:21
[INFO] [stdout]     |
[INFO] [stdout] 363 |                     try!(write!(fmt, "left: ()"));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/src_rope.rs:365:17
[INFO] [stdout]     |
[INFO] [stdout] 365 |                 try!(write!(fmt, ", "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/src_rope.rs:367:21
[INFO] [stdout]     |
[INFO] [stdout] 367 |                     try!(write!(fmt, "right: {:?}", &**right));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ropes/src_rope.rs:369:21
[INFO] [stdout]     |
[INFO] [stdout] 369 |                     try!(write!(fmt, "right: ()"));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> src/ropes/src_rope.rs:1017:13
[INFO] [stdout]      |
[INFO] [stdout] 1017 |             (src_loc as isize + self.src_offset)
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.19s
[INFO] running `Command { std: "docker" "inspect" "803361e4d28dc542e7686aa1ced83cccbfe6bb5406f7283b081c155ec40ad5cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "803361e4d28dc542e7686aa1ced83cccbfe6bb5406f7283b081c155ec40ad5cb", kill_on_drop: false }`
[INFO] [stdout] 803361e4d28dc542e7686aa1ced83cccbfe6bb5406f7283b081c155ec40ad5cb