[INFO] crate strings 0.1.1 is already in cache
[INFO] testing strings-0.1.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate strings 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate strings 0.1.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0ce9082307fa0cbf4f55a5036acae3d6c0b3635f5035298074745ee3f75731e7
[INFO] running `"docker" "start" "-a" "0ce9082307fa0cbf4f55a5036acae3d6c0b3635f5035298074745ee3f75731e7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling strings v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/string_buffer.rs:196:13
[INFO] [stderr]     |
[INFO] [stderr] 196 |             try!(write!(fmt, "{}", node.data));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/string_buffer.rs:210:9
[INFO] [stderr]     |
[INFO] [stderr] 210 |         try!(write!(f, "StringBuffer[{:?}", self.first.data));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/string_buffer.rs:214:13
[INFO] [stderr]     |
[INFO] [stderr] 214 |             try!(write!(f, ", {:?}", next.data));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:240:17
[INFO] [stderr]     |
[INFO] [stderr] 240 |                 try!(write!(fmt,
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:259:17
[INFO] [stderr]     |
[INFO] [stderr] 259 |                 try!(write!(fmt, "|"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:265:17
[INFO] [stderr]     |
[INFO] [stderr] 265 |                 try!(write!(fmt,
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:315:17
[INFO] [stderr]     |
[INFO] [stderr] 315 |                 try!(write!(fmt, "("));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:317:21
[INFO] [stderr]     |
[INFO] [stderr] 317 |                     try!(write!(fmt, "left: {:?}", &**left));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:319:21
[INFO] [stderr]     |
[INFO] [stderr] 319 |                     try!(write!(fmt, "left: ()"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:321:17
[INFO] [stderr]     |
[INFO] [stderr] 321 |                 try!(write!(fmt, ", "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:323:21
[INFO] [stderr]     |
[INFO] [stderr] 323 |                     try!(write!(fmt, "right: {:?}", &**right));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:325:21
[INFO] [stderr]     |
[INFO] [stderr] 325 |                     try!(write!(fmt, "right: ()"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:284:17
[INFO] [stderr]     |
[INFO] [stderr] 284 |                 try!(write!(fmt,
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:303:17
[INFO] [stderr]     |
[INFO] [stderr] 303 |                 try!(write!(fmt, "|"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:309:17
[INFO] [stderr]     |
[INFO] [stderr] 309 |                 try!(write!(fmt,
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:359:17
[INFO] [stderr]     |
[INFO] [stderr] 359 |                 try!(write!(fmt, "("));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:361:21
[INFO] [stderr]     |
[INFO] [stderr] 361 |                     try!(write!(fmt, "left: {:?}", &**left));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:363:21
[INFO] [stderr]     |
[INFO] [stderr] 363 |                     try!(write!(fmt, "left: ()"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:365:17
[INFO] [stderr]     |
[INFO] [stderr] 365 |                 try!(write!(fmt, ", "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:367:21
[INFO] [stderr]     |
[INFO] [stderr] 367 |                     try!(write!(fmt, "right: {:?}", &**right));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:369:21
[INFO] [stderr]     |
[INFO] [stderr] 369 |                     try!(write!(fmt, "right: ()"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> src/ropes/src_rope.rs:1017:13
[INFO] [stderr]      |
[INFO] [stderr] 1017 |             (src_loc as isize + self.src_offset)
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 22 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `"docker" "inspect" "0ce9082307fa0cbf4f55a5036acae3d6c0b3635f5035298074745ee3f75731e7"`
[INFO] running `"docker" "rm" "-f" "0ce9082307fa0cbf4f55a5036acae3d6c0b3635f5035298074745ee3f75731e7"`
[INFO] [stdout] 0ce9082307fa0cbf4f55a5036acae3d6c0b3635f5035298074745ee3f75731e7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1ef5f58a0d9883763b5387777e8a19ee3a82b279323fe3f2065e5459f14f91b4
[INFO] running `"docker" "start" "-a" "1ef5f58a0d9883763b5387777e8a19ee3a82b279323fe3f2065e5459f14f91b4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling strings v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/string_buffer.rs:196:13
[INFO] [stderr]     |
[INFO] [stderr] 196 |             try!(write!(fmt, "{}", node.data));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/string_buffer.rs:210:9
[INFO] [stderr]     |
[INFO] [stderr] 210 |         try!(write!(f, "StringBuffer[{:?}", self.first.data));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/string_buffer.rs:214:13
[INFO] [stderr]     |
[INFO] [stderr] 214 |             try!(write!(f, ", {:?}", next.data));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:240:17
[INFO] [stderr]     |
[INFO] [stderr] 240 |                 try!(write!(fmt,
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:259:17
[INFO] [stderr]     |
[INFO] [stderr] 259 |                 try!(write!(fmt, "|"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:265:17
[INFO] [stderr]     |
[INFO] [stderr] 265 |                 try!(write!(fmt,
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:315:17
[INFO] [stderr]     |
[INFO] [stderr] 315 |                 try!(write!(fmt, "("));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:317:21
[INFO] [stderr]     |
[INFO] [stderr] 317 |                     try!(write!(fmt, "left: {:?}", &**left));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:319:21
[INFO] [stderr]     |
[INFO] [stderr] 319 |                     try!(write!(fmt, "left: ()"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:321:17
[INFO] [stderr]     |
[INFO] [stderr] 321 |                 try!(write!(fmt, ", "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:323:21
[INFO] [stderr]     |
[INFO] [stderr] 323 |                     try!(write!(fmt, "right: {:?}", &**right));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:325:21
[INFO] [stderr]     |
[INFO] [stderr] 325 |                     try!(write!(fmt, "right: ()"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:284:17
[INFO] [stderr]     |
[INFO] [stderr] 284 |                 try!(write!(fmt,
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:303:17
[INFO] [stderr]     |
[INFO] [stderr] 303 |                 try!(write!(fmt, "|"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:309:17
[INFO] [stderr]     |
[INFO] [stderr] 309 |                 try!(write!(fmt,
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:359:17
[INFO] [stderr]     |
[INFO] [stderr] 359 |                 try!(write!(fmt, "("));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:361:21
[INFO] [stderr]     |
[INFO] [stderr] 361 |                     try!(write!(fmt, "left: {:?}", &**left));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:363:21
[INFO] [stderr]     |
[INFO] [stderr] 363 |                     try!(write!(fmt, "left: ()"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:365:17
[INFO] [stderr]     |
[INFO] [stderr] 365 |                 try!(write!(fmt, ", "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:367:21
[INFO] [stderr]     |
[INFO] [stderr] 367 |                     try!(write!(fmt, "right: {:?}", &**right));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:369:21
[INFO] [stderr]     |
[INFO] [stderr] 369 |                     try!(write!(fmt, "right: ()"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> src/ropes/src_rope.rs:1017:13
[INFO] [stderr]      |
[INFO] [stderr] 1017 |             (src_loc as isize + self.src_offset)
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 22 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/string_buffer.rs:196:13
[INFO] [stderr]     |
[INFO] [stderr] 196 |             try!(write!(fmt, "{}", node.data));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/string_buffer.rs:210:9
[INFO] [stderr]     |
[INFO] [stderr] 210 |         try!(write!(f, "StringBuffer[{:?}", self.first.data));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/string_buffer.rs:214:13
[INFO] [stderr]     |
[INFO] [stderr] 214 |             try!(write!(f, ", {:?}", next.data));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:240:17
[INFO] [stderr]     |
[INFO] [stderr] 240 |                 try!(write!(fmt,
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:259:17
[INFO] [stderr]     |
[INFO] [stderr] 259 |                 try!(write!(fmt, "|"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:265:17
[INFO] [stderr]     |
[INFO] [stderr] 265 |                 try!(write!(fmt,
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:315:17
[INFO] [stderr]     |
[INFO] [stderr] 315 |                 try!(write!(fmt, "("));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:317:21
[INFO] [stderr]     |
[INFO] [stderr] 317 |                     try!(write!(fmt, "left: {:?}", &**left));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:319:21
[INFO] [stderr]     |
[INFO] [stderr] 319 |                     try!(write!(fmt, "left: ()"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:321:17
[INFO] [stderr]     |
[INFO] [stderr] 321 |                 try!(write!(fmt, ", "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:323:21
[INFO] [stderr]     |
[INFO] [stderr] 323 |                     try!(write!(fmt, "right: {:?}", &**right));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:325:21
[INFO] [stderr]     |
[INFO] [stderr] 325 |                     try!(write!(fmt, "right: ()"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:284:17
[INFO] [stderr]     |
[INFO] [stderr] 284 |                 try!(write!(fmt,
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:303:17
[INFO] [stderr]     |
[INFO] [stderr] 303 |                 try!(write!(fmt, "|"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:309:17
[INFO] [stderr]     |
[INFO] [stderr] 309 |                 try!(write!(fmt,
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:359:17
[INFO] [stderr]     |
[INFO] [stderr] 359 |                 try!(write!(fmt, "("));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:361:21
[INFO] [stderr]     |
[INFO] [stderr] 361 |                     try!(write!(fmt, "left: {:?}", &**left));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:363:21
[INFO] [stderr]     |
[INFO] [stderr] 363 |                     try!(write!(fmt, "left: ()"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:365:17
[INFO] [stderr]     |
[INFO] [stderr] 365 |                 try!(write!(fmt, ", "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:367:21
[INFO] [stderr]     |
[INFO] [stderr] 367 |                     try!(write!(fmt, "right: {:?}", &**right));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:369:21
[INFO] [stderr]     |
[INFO] [stderr] 369 |                     try!(write!(fmt, "right: ()"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> src/ropes/src_rope.rs:1017:13
[INFO] [stderr]      |
[INFO] [stderr] 1017 |             (src_loc as isize + self.src_offset)
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 22 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `"docker" "inspect" "1ef5f58a0d9883763b5387777e8a19ee3a82b279323fe3f2065e5459f14f91b4"`
[INFO] running `"docker" "rm" "-f" "1ef5f58a0d9883763b5387777e8a19ee3a82b279323fe3f2065e5459f14f91b4"`
[INFO] [stdout] 1ef5f58a0d9883763b5387777e8a19ee3a82b279323fe3f2065e5459f14f91b4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] 7dddd998aaa5178e0646349e8ce30b422daf73034396456022134c0e615e5b74
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7dddd998aaa5178e0646349e8ce30b422daf73034396456022134c0e615e5b74"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/string_buffer.rs:196:13
[INFO] [stderr]     |
[INFO] [stderr] 196 |             try!(write!(fmt, "{}", node.data));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/string_buffer.rs:196:13
[INFO] [stderr]     |
[INFO] [stderr] 196 |             try!(write!(fmt, "{}", node.data));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/string_buffer.rs:210:9
[INFO] [stderr]     |
[INFO] [stderr] 210 |         try!(write!(f, "StringBuffer[{:?}", self.first.data));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/string_buffer.rs:214:13
[INFO] [stderr]     |
[INFO] [stderr] 214 |             try!(write!(f, ", {:?}", next.data));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:240:17
[INFO] [stderr]     |
[INFO] [stderr] 240 |                 try!(write!(fmt,
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/string_buffer.rs:210:9
[INFO] [stderr]     |
[INFO] [stderr] 210 |         try!(write!(f, "StringBuffer[{:?}", self.first.data));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:259:17
[INFO] [stderr]     |
[INFO] [stderr] 259 |                 try!(write!(fmt, "|"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:265:17
[INFO] [stderr]     |
[INFO] [stderr] 265 |                 try!(write!(fmt,
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/string_buffer.rs:214:13
[INFO] [stderr]     |
[INFO] [stderr] 214 |             try!(write!(f, ", {:?}", next.data));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:315:17
[INFO] [stderr]     |
[INFO] [stderr] 315 |                 try!(write!(fmt, "("));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:317:21
[INFO] [stderr]     |
[INFO] [stderr] 317 |                     try!(write!(fmt, "left: {:?}", &**left));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:240:17
[INFO] [stderr]     |
[INFO] [stderr] 240 |                 try!(write!(fmt,
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:319:21
[INFO] [stderr]     |
[INFO] [stderr] 319 |                     try!(write!(fmt, "left: ()"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:259:17
[INFO] [stderr]     |
[INFO] [stderr] 259 |                 try!(write!(fmt, "|"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:265:17
[INFO] [stderr]     |
[INFO] [stderr] 265 |                 try!(write!(fmt,
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:315:17
[INFO] [stderr]     |
[INFO] [stderr] 315 |                 try!(write!(fmt, "("));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:317:21
[INFO] [stderr]     |
[INFO] [stderr] 317 |                     try!(write!(fmt, "left: {:?}", &**left));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:319:21
[INFO] [stderr]     |
[INFO] [stderr] 319 |                     try!(write!(fmt, "left: ()"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:321:17
[INFO] [stderr]     |
[INFO] [stderr] 321 |                 try!(write!(fmt, ", "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:323:21
[INFO] [stderr]     |
[INFO] [stderr] 323 |                     try!(write!(fmt, "right: {:?}", &**right));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:325:21
[INFO] [stderr]     |
[INFO] [stderr] 325 |                     try!(write!(fmt, "right: ()"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:284:17
[INFO] [stderr]     |
[INFO] [stderr] 284 |                 try!(write!(fmt,
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:303:17
[INFO] [stderr]     |
[INFO] [stderr] 303 |                 try!(write!(fmt, "|"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:309:17
[INFO] [stderr]     |
[INFO] [stderr] 309 |                 try!(write!(fmt,
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:359:17
[INFO] [stderr]     |
[INFO] [stderr] 359 |                 try!(write!(fmt, "("));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:361:21
[INFO] [stderr]     |
[INFO] [stderr] 361 |                     try!(write!(fmt, "left: {:?}", &**left));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:363:21
[INFO] [stderr]     |
[INFO] [stderr] 363 |                     try!(write!(fmt, "left: ()"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:365:17
[INFO] [stderr]     |
[INFO] [stderr] 365 |                 try!(write!(fmt, ", "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:367:21
[INFO] [stderr]     |
[INFO] [stderr] 367 |                     try!(write!(fmt, "right: {:?}", &**right));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:369:21
[INFO] [stderr]     |
[INFO] [stderr] 369 |                     try!(write!(fmt, "right: ()"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> src/ropes/src_rope.rs:1017:13
[INFO] [stderr]      |
[INFO] [stderr] 1017 |             (src_loc as isize + self.src_offset)
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 22 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:321:17
[INFO] [stderr]     |
[INFO] [stderr] 321 |                 try!(write!(fmt, ", "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:323:21
[INFO] [stderr]     |
[INFO] [stderr] 323 |                     try!(write!(fmt, "right: {:?}", &**right));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/rope.rs:325:21
[INFO] [stderr]     |
[INFO] [stderr] 325 |                     try!(write!(fmt, "right: ()"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:284:17
[INFO] [stderr]     |
[INFO] [stderr] 284 |                 try!(write!(fmt,
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:303:17
[INFO] [stderr]     |
[INFO] [stderr] 303 |                 try!(write!(fmt, "|"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:309:17
[INFO] [stderr]     |
[INFO] [stderr] 309 |                 try!(write!(fmt,
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:359:17
[INFO] [stderr]     |
[INFO] [stderr] 359 |                 try!(write!(fmt, "("));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:361:21
[INFO] [stderr]     |
[INFO] [stderr] 361 |                     try!(write!(fmt, "left: {:?}", &**left));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:363:21
[INFO] [stderr]     |
[INFO] [stderr] 363 |                     try!(write!(fmt, "left: ()"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:365:17
[INFO] [stderr]     |
[INFO] [stderr] 365 |                 try!(write!(fmt, ", "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:367:21
[INFO] [stderr]     |
[INFO] [stderr] 367 |                     try!(write!(fmt, "right: {:?}", &**right));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/ropes/src_rope.rs:369:21
[INFO] [stderr]     |
[INFO] [stderr] 369 |                     try!(write!(fmt, "right: ()"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> src/ropes/src_rope.rs:1017:13
[INFO] [stderr]      |
[INFO] [stderr] 1017 |             (src_loc as isize + self.src_offset)
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 22 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/strings-8900d4ec621ad17b
[INFO] [stdout] 
[INFO] [stdout] running 47 tests
[INFO] [stdout] test ropes::rope::test::test_insert_copy ... ok
[INFO] [stdout] test ropes::rope::test::test_remove ... ok
[INFO] [stdout] test ropes::rope::test::test_slice_iter ... ok
[INFO] [stdout] test ropes::rope::test::test_slice_empty_rope ... ok
[INFO] [stdout] test ropes::rope::test::test_slice_iter_no_split ... ok
[INFO] [stdout] test ropes::rope::test::test_slice_from_start ... ok
[INFO] [stdout] test ropes::rope::test::test_small_slice_start_single_node ... ok
[INFO] [stdout] test ropes::rope::test::test_slice_iter_special_chars_split ... ok
[INFO] [stdout] test ropes::src_rope::test::test_from_string ... ok
[INFO] [stdout] test ropes::rope::test::test_small_slice_single_node ... ok
[INFO] [stdout] test ropes::src_rope::test::test_new ... ok
[INFO] [stdout] test ropes::src_rope::test::test_insert_copy ... ok
[INFO] [stdout] test ropes::src_rope::test::test_insert_replace ... ok
[INFO] [stdout] test ropes::src_rope::test::test_slice_from_start ... ok
[INFO] [stdout] test ropes::src_rope::test::test_minz ... ok
[INFO] [stdout] test ropes::src_rope::test::test_push_copy ... ok
[INFO] [stdout] test ropes::src_rope::test::test_slice_iter_special_chars ... ok
[INFO] [stdout] test ropes::src_rope::test::test_slice_empty_rope ... ok
[INFO] [stdout] test ropes::rope::test::test_from_string ... ok
[INFO] [stdout] test ropes::src_rope::test::test_remove ... ok
[INFO] [stdout] test ropes::src_rope::test::test_slice_iter ... ok
[INFO] [stdout] test ropes::src_rope::test::test_slice_iter_no_split ... ok
[INFO] [stdout] test ropes::src_rope::test::test_slice_iter_special_chars_split ... ok
[INFO] [stdout] test ropes::rope::test::test_slice_iter_special_chars ... ok
[INFO] [stdout] test ropes::rope::test::test_insert_replace ... ok
[INFO] [stdout] test ropes::rope::test::test_new ... ok
[INFO] [stdout] test string_buffer::test::test_cur_offset_middle ... ok
[INFO] [stdout] test string_buffer::test::test_cur_offset_no_newlines ... ok
[INFO] [stdout] test ropes::src_rope::test::test_small_slice_single_node ... ok
[INFO] [stdout] test string_buffer::test::test_from_str ... ok
[INFO] [stdout] test string_buffer::test::test_push_str_multi ... ok
[INFO] [stdout] test string_buffer::test::test_truncate ... ok
[INFO] [stdout] test string_buffer::test::test_truncate_multi ... ok
[INFO] [stdout] test string_buffer::test::test_push_str ... ok
[INFO] [stdout] test string_buffer::test::test_truncate_short ... ok
[INFO] [stdout] test string_buffer::test::test_new ... ok
[INFO] [stdout] test string_buffer::test::test_cur_offset_after_truncate ... ok
[INFO] [stdout] test string_buffer::test::test_eq ... ok
[INFO] [stdout] test ropes::src_rope::test::test_small_slice_start_single_node ... ok
[INFO] [stdout] test string_buffer::test::test_cur_offset_short ... ok
[INFO] [stdout] test ropes::src_rope::test::test_src_insert_remove_col_for_src_loc ... ok
[INFO] [stdout] test string_buffer::test::test_cur_offset ... ok
[INFO] [stdout] test string_buffer::test::test_clone ... ok
[INFO] [stdout] test ropes::src_rope::test::test_src_insert ... ok
[INFO] [stdout] test ropes::rope::test::test_push_copy ... ok
[INFO] [stdout] test string_buffer::test::test_truncate_noop ... ok
[INFO] [stdout] test string_buffer::test::test_neq ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 47 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests strings
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7dddd998aaa5178e0646349e8ce30b422daf73034396456022134c0e615e5b74"`
[INFO] running `"docker" "rm" "-f" "7dddd998aaa5178e0646349e8ce30b422daf73034396456022134c0e615e5b74"`
[INFO] [stdout] 7dddd998aaa5178e0646349e8ce30b422daf73034396456022134c0e615e5b74