[INFO] fetching crate strings 0.1.1...
[INFO] checking strings-0.1.1 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate strings 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate strings 0.1.1 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e78f0016e1dd8dc49c22b4c4a39d1e4b5b5fa9bf9593919402aad40812b0298
[INFO] running `Command { std: "docker" "start" "-a" "8e78f0016e1dd8dc49c22b4c4a39d1e4b5b5fa9bf9593919402aad40812b0298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e78f0016e1dd8dc49c22b4c4a39d1e4b5b5fa9bf9593919402aad40812b0298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e78f0016e1dd8dc49c22b4c4a39d1e4b5b5fa9bf9593919402aad40812b0298", kill_on_drop: false }`
[INFO] [stdout] 8e78f0016e1dd8dc49c22b4c4a39d1e4b5b5fa9bf9593919402aad40812b0298
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddd3bf93dbff8c02d8a7a9232e62bcaf5116a41bee40552668e10aaff4eb9e80
[INFO] running `Command { std: "docker" "start" "-a" "ddd3bf93dbff8c02d8a7a9232e62bcaf5116a41bee40552668e10aaff4eb9e80", 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: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: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: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: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: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: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]      |             ^                                  ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1017 -             (src_loc as isize + self.src_offset)
[INFO] [stdout] 1017 +             src_loc as isize + self.src_offset
[INFO] [stdout]      |
[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: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: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: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: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: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: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]      |             ^                                  ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1017 -             (src_loc as isize + self.src_offset)
[INFO] [stdout] 1017 +             src_loc as isize + self.src_offset
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/string_buffer.rs:264:17
[INFO] [stdout]     |
[INFO] [stdout] 264 |             let mut last = &mut *result.first;
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/string_buffer.rs:264:17
[INFO] [stdout]     |
[INFO] [stdout] 264 |             let mut last = &mut *result.first;
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "ddd3bf93dbff8c02d8a7a9232e62bcaf5116a41bee40552668e10aaff4eb9e80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddd3bf93dbff8c02d8a7a9232e62bcaf5116a41bee40552668e10aaff4eb9e80", kill_on_drop: false }`
[INFO] [stdout] ddd3bf93dbff8c02d8a7a9232e62bcaf5116a41bee40552668e10aaff4eb9e80
[INFO] checking strings-0.1.1 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate strings 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate strings 0.1.1 on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57ac5adeccb23c310024b19a9afd4f1225c0ae5c7787770798708d3c265166ae
[INFO] running `Command { std: "docker" "start" "-a" "57ac5adeccb23c310024b19a9afd4f1225c0ae5c7787770798708d3c265166ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57ac5adeccb23c310024b19a9afd4f1225c0ae5c7787770798708d3c265166ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57ac5adeccb23c310024b19a9afd4f1225c0ae5c7787770798708d3c265166ae", kill_on_drop: false }`
[INFO] [stdout] 57ac5adeccb23c310024b19a9afd4f1225c0ae5c7787770798708d3c265166ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff65f9be43663c66ab92c7e09652fe88a28ec5d173827ba60303569235d6de36
[INFO] running `Command { std: "docker" "start" "-a" "ff65f9be43663c66ab92c7e09652fe88a28ec5d173827ba60303569235d6de36", 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: usage of `Range` range syntax
[INFO] [stdout]   --> src/ropes/macros.rs:84:28
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 self.slice(0..self.len)
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/ropes/rope.rs:57:1
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl_rope!(Rope);
[INFO] [stdout]    | ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout]    = note: this warning originates in the macro `impl_rope` (in Nightly builds, run with -Z macro-backtrace for more info)
[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: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: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: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: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/ropes/rope.rs:583:47
[INFO] [stdout]     |
[INFO] [stdout] 583 |                 right.replace(start, &new_str[offset..]);
[INFO] [stdout]     |                                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/ropes/macros.rs:84:28
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 self.slice(0..self.len)
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/ropes/src_rope.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl_rope!(Rope);
[INFO] [stdout]    | ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_rope` (in Nightly builds, run with -Z macro-backtrace for more info)
[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: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: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: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: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/ropes/src_rope.rs:842:47
[INFO] [stdout]     |
[INFO] [stdout] 842 |                 right.replace(start, &new_str[offset..]);
[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]      |             ^                                  ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1017 -             (src_loc as isize + self.src_offset)
[INFO] [stdout] 1017 +             src_loc as isize + self.src_offset
[INFO] [stdout]      |
[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: usage of `Range` range syntax
[INFO] [stdout]   --> src/ropes/macros.rs:84:28
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 self.slice(0..self.len)
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/ropes/rope.rs:57:1
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl_rope!(Rope);
[INFO] [stdout]    | ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout]    = note: this warning originates in the macro `impl_rope` (in Nightly builds, run with -Z macro-backtrace for more info)
[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: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: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: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: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/ropes/rope.rs:583:47
[INFO] [stdout]     |
[INFO] [stdout] 583 |                 right.replace(start, &new_str[offset..]);
[INFO] [stdout]     |                                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ropes/rope.rs:726:25
[INFO] [stdout]     |
[INFO] [stdout] 726 |         assert!(r.slice(2..8).to_string() == "oHello");
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ropes/rope.rs:731:25
[INFO] [stdout]     |
[INFO] [stdout] 731 |         assert!(r.slice(2..8).to_string() == "llo wo");
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ropes/rope.rs:736:25
[INFO] [stdout]     |
[INFO] [stdout] 736 |         assert!(r.slice(2..8).to_string() == "llofoo");
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ropes/rope.rs:744:25
[INFO] [stdout]     |
[INFO] [stdout] 744 |         assert!(r.slice(2..8).to_string() == "llo wo");
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ropes/rope.rs:756:25
[INFO] [stdout]     |
[INFO] [stdout] 756 |         assert!(r.slice(0..10).to_string() == "Hellofoರ");
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ropes/rope.rs:757:25
[INFO] [stdout]     |
[INFO] [stdout] 757 |         assert!(r.slice(5..10).to_string() == "foರ");
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ropes/rope.rs:758:25
[INFO] [stdout]     |
[INFO] [stdout] 758 |         assert!(r.slice(10..15).to_string() == "rlர");
[INFO] [stdout]     |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ropes/rope.rs:774:33
[INFO] [stdout]     |
[INFO] [stdout] 774 |         let mut slice = r.slice(3..8).iter_chars();
[INFO] [stdout]     |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ropes/rope.rs:790:33
[INFO] [stdout]     |
[INFO] [stdout] 790 |         let mut slice = r.slice(0..6).iter_chars();
[INFO] [stdout]     |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ropes/rope.rs:805:33
[INFO] [stdout]     |
[INFO] [stdout] 805 |         let mut slice = r.slice(3..8).iter_chars();
[INFO] [stdout]     |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ropes/rope.rs:819:33
[INFO] [stdout]     |
[INFO] [stdout] 819 |         let mut slice = r.slice(3..8).iter_chars();
[INFO] [stdout]     |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ropes/rope.rs:834:33
[INFO] [stdout]     |
[INFO] [stdout] 834 |         let mut slice = r.slice(3..8).iter_chars();
[INFO] [stdout]     |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ropes/rope.rs:847:33
[INFO] [stdout]     |
[INFO] [stdout] 847 |         let mut slice = r.slice(1..3).iter_chars();
[INFO] [stdout]     |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ropes/rope.rs:858:33
[INFO] [stdout]     |
[INFO] [stdout] 858 |         let mut slice = r.slice(0..1).iter_chars();
[INFO] [stdout]     |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/ropes/macros.rs:84:28
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 self.slice(0..self.len)
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/ropes/src_rope.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl_rope!(Rope);
[INFO] [stdout]    | ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_rope` (in Nightly builds, run with -Z macro-backtrace for more info)
[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: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: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: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: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/ropes/src_rope.rs:842:47
[INFO] [stdout]     |
[INFO] [stdout] 842 |                 right.replace(start, &new_str[offset..]);
[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]      |             ^                                  ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1017 -             (src_loc as isize + self.src_offset)
[INFO] [stdout] 1017 +             src_loc as isize + self.src_offset
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/ropes/src_rope.rs:1122:29
[INFO] [stdout]      |
[INFO] [stdout] 1122 |         assert!(r.src_slice(0..5).to_string() == "");
[INFO] [stdout]      |                             ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/ropes/src_rope.rs:1123:29
[INFO] [stdout]      |
[INFO] [stdout] 1123 |         assert!(r.src_slice(10..12).to_string() == "d!");
[INFO] [stdout]      |                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/ropes/src_rope.rs:1137:29
[INFO] [stdout]      |
[INFO] [stdout] 1137 |         assert!(r.src_slice(9..12).to_string() == "d!");
[INFO] [stdout]      |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/ropes/src_rope.rs:1145:25
[INFO] [stdout]      |
[INFO] [stdout] 1145 |         assert!(r.slice(2..8).to_string() == "oHello");
[INFO] [stdout]      |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/ropes/src_rope.rs:1150:25
[INFO] [stdout]      |
[INFO] [stdout] 1150 |         assert!(r.slice(2..8).to_string() == "llo wo");
[INFO] [stdout]      |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/ropes/src_rope.rs:1155:25
[INFO] [stdout]      |
[INFO] [stdout] 1155 |         assert!(r.slice(2..8).to_string() == "llofoo");
[INFO] [stdout]      |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/ropes/src_rope.rs:1163:25
[INFO] [stdout]      |
[INFO] [stdout] 1163 |         assert!(r.slice(2..8).to_string() == "llo wo");
[INFO] [stdout]      |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/ropes/src_rope.rs:1175:25
[INFO] [stdout]      |
[INFO] [stdout] 1175 |         assert!(r.slice(0..10).to_string() == "Hellofoರ");
[INFO] [stdout]      |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/ropes/src_rope.rs:1176:25
[INFO] [stdout]      |
[INFO] [stdout] 1176 |         assert!(r.slice(5..10).to_string() == "foರ");
[INFO] [stdout]      |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/ropes/src_rope.rs:1177:25
[INFO] [stdout]      |
[INFO] [stdout] 1177 |         assert!(r.slice(10..15).to_string() == "rlர");
[INFO] [stdout]      |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/ropes/src_rope.rs:1208:18
[INFO] [stdout]      |
[INFO] [stdout] 1208 |         for i in 0..13 {
[INFO] [stdout]      |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/ropes/src_rope.rs:1233:33
[INFO] [stdout]      |
[INFO] [stdout] 1233 |         let mut slice = r.slice(3..8).iter_chars();
[INFO] [stdout]      |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/ropes/src_rope.rs:1249:33
[INFO] [stdout]      |
[INFO] [stdout] 1249 |         let mut slice = r.slice(0..6).iter_chars();
[INFO] [stdout]      |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/ropes/src_rope.rs:1264:33
[INFO] [stdout]      |
[INFO] [stdout] 1264 |         let mut slice = r.slice(3..8).iter_chars();
[INFO] [stdout]      |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/ropes/src_rope.rs:1278:33
[INFO] [stdout]      |
[INFO] [stdout] 1278 |         let mut slice = r.slice(3..8).iter_chars();
[INFO] [stdout]      |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/ropes/src_rope.rs:1293:33
[INFO] [stdout]      |
[INFO] [stdout] 1293 |         let mut slice = r.slice(3..8).iter_chars();
[INFO] [stdout]      |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/ropes/src_rope.rs:1306:33
[INFO] [stdout]      |
[INFO] [stdout] 1306 |         let mut slice = r.slice(1..3).iter_chars();
[INFO] [stdout]      |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/ropes/src_rope.rs:1317:33
[INFO] [stdout]      |
[INFO] [stdout] 1317 |         let mut slice = r.slice(0..1).iter_chars();
[INFO] [stdout]      |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/string_buffer.rs:264:17
[INFO] [stdout]     |
[INFO] [stdout] 264 |             let mut last = &mut *result.first;
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: explicit usage of `Range` type in public function
[INFO] [stdout]   --> src/ropes/macros.rs:68:55
[INFO] [stdout]    |
[INFO] [stdout] 68 |             pub fn slice(&self, Range { start, end }: Range<usize>) -> RopeSlice {
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/ropes/rope.rs:57:1
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl_rope!(Rope);
[INFO] [stdout]    | ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D explicit-range`
[INFO] [stdout]    = note: this error originates in the macro `impl_rope` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: explicit usage of `Range` type in public function
[INFO] [stdout]   --> src/ropes/macros.rs:68:55
[INFO] [stdout]    |
[INFO] [stdout] 68 |             pub fn slice(&self, Range { start, end }: Range<usize>) -> RopeSlice {
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/ropes/src_rope.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl_rope!(Rope);
[INFO] [stdout]    | ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `impl_rope` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: explicit usage of `Range` type in public function
[INFO] [stdout]    --> src/ropes/src_rope.rs:150:51
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn src_slice(&self, Range { start, end }: Range<usize>) -> RopeSlice {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/string_buffer.rs:264:17
[INFO] [stdout]     |
[INFO] [stdout] 264 |             let mut last = &mut *result.first;
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `strings` (lib) due to 4 previous errors; 27 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 59 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff65f9be43663c66ab92c7e09652fe88a28ec5d173827ba60303569235d6de36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff65f9be43663c66ab92c7e09652fe88a28ec5d173827ba60303569235d6de36", kill_on_drop: false }`
[INFO] [stdout] ff65f9be43663c66ab92c7e09652fe88a28ec5d173827ba60303569235d6de36
