[INFO] fetching crate strings 0.1.1...
[INFO] checking strings-0.1.1 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate strings 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate strings 0.1.1 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", 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] 69367b7da0be4195f44da0702396b6e59762906da8963583641c7fd0da8f75fc
[INFO] running `Command { std: "docker" "start" "-a" "69367b7da0be4195f44da0702396b6e59762906da8963583641c7fd0da8f75fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69367b7da0be4195f44da0702396b6e59762906da8963583641c7fd0da8f75fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69367b7da0be4195f44da0702396b6e59762906da8963583641c7fd0da8f75fc", kill_on_drop: false }`
[INFO] [stdout] 69367b7da0be4195f44da0702396b6e59762906da8963583641c7fd0da8f75fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e3b4309645d724f6b3a9e6f82c086d92ea76b9d0c26654ead51bf1f5675b6d7
[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" "0e3b4309645d724f6b3a9e6f82c086d92ea76b9d0c26654ead51bf1f5675b6d7", kill_on_drop: false }`
[INFO] [stderr]     Checking strings v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 macro `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 1.36s
[INFO] running `Command { std: "docker" "inspect" "0e3b4309645d724f6b3a9e6f82c086d92ea76b9d0c26654ead51bf1f5675b6d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e3b4309645d724f6b3a9e6f82c086d92ea76b9d0c26654ead51bf1f5675b6d7", kill_on_drop: false }`
[INFO] [stdout] 0e3b4309645d724f6b3a9e6f82c086d92ea76b9d0c26654ead51bf1f5675b6d7