[INFO] fetching crate persistent_rope 0.1.3...
[INFO] testing persistent_rope-0.1.3 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate persistent_rope 0.1.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate persistent_rope 0.1.3 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate persistent_rope 0.1.3
[INFO] finished tweaking crates.io crate persistent_rope 0.1.3
[INFO] tweaked toml for crates.io crate persistent_rope 0.1.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xi-rope v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef34657d483b190b1619ce9c433477957145eeb21392ea06a5f58fa98faff820
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ef34657d483b190b1619ce9c433477957145eeb21392ea06a5f58fa98faff820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef34657d483b190b1619ce9c433477957145eeb21392ea06a5f58fa98faff820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef34657d483b190b1619ce9c433477957145eeb21392ea06a5f58fa98faff820", kill_on_drop: false }`
[INFO] [stdout] ef34657d483b190b1619ce9c433477957145eeb21392ea06a5f58fa98faff820
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6555ca43b1430ca23a148eeb65c8a0a0ae11e18e3c93310a43b000b02f1d2c2f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6555ca43b1430ca23a148eeb65c8a0a0ae11e18e3c93310a43b000b02f1d2c2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling persistent_rope v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "6555ca43b1430ca23a148eeb65c8a0a0ae11e18e3c93310a43b000b02f1d2c2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6555ca43b1430ca23a148eeb65c8a0a0ae11e18e3c93310a43b000b02f1d2c2f", kill_on_drop: false }`
[INFO] [stdout] 6555ca43b1430ca23a148eeb65c8a0a0ae11e18e3c93310a43b000b02f1d2c2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32b2410e32c541c315aace1a994897386439b6633fe48b7444346347bbec1a6e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "32b2410e32c541c315aace1a994897386439b6633fe48b7444346347bbec1a6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling smallvec v1.4.1
[INFO] [stderr]    Compiling bytecount v0.5.1
[INFO] [stderr]    Compiling macro-attr v0.2.0
[INFO] [stderr]    Compiling an-rope v0.3.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling ropey v1.2.0
[INFO] [stderr]    Compiling xi-rope v0.3.0
[INFO] [stderr]    Compiling persistent_rope v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.36s
[INFO] running `Command { std: "docker" "inspect" "32b2410e32c541c315aace1a994897386439b6633fe48b7444346347bbec1a6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32b2410e32c541c315aace1a994897386439b6633fe48b7444346347bbec1a6e", kill_on_drop: false }`
[INFO] [stdout] 32b2410e32c541c315aace1a994897386439b6633fe48b7444346347bbec1a6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3c5b0615374f24e1061a7f854e569850fdf2a03c1d6a75527b6339d5d2ef9ad7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3c5b0615374f24e1061a7f854e569850fdf2a03c1d6a75527b6339d5d2ef9ad7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/persistent_rope-1e3777e4eb7b06e6
[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] [stderr]    Doc-tests persistent_rope
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test src/rope.rs - rope::Rope::chunks (line 478) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::chars_len (line 59) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::bytes_len (line 46) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::chars (line 498) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::concat_char (line 444) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::eq (line 689) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::eq (line 703) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::add (line 600) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::eq (line 661) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::count_lines (line 99) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::bytes (line 488) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::char_at (line 464) ... ok
[INFO] [stdout] test src/rope.rs - rope::&'a Rope::add (line 619) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::concat (line 421) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::height (line 85) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::insert_at_byte (line 123) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::new (line 26) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::len (line 36) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::insert_char (line 225) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::insert_char_at_byte (line 193) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::is_empty (line 72) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::insert (line 137) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::remove_range_byte (line 260) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::insert_range_byte (line 151) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::insert_range (line 172) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::lines (line 508) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::remove_at_byte (line 292) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::remove_range (line 276) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::remove (line 320) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::split_at_byte (line 352) ... ok
[INFO] [stdout] test src/utils.rs - utils::split_at_char_index (line 2) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::split (line 390) ... ok
[INFO] [stdout] test src/utils.rs - utils::char_to_byte_index (line 15) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::to_string (line 635) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3c5b0615374f24e1061a7f854e569850fdf2a03c1d6a75527b6339d5d2ef9ad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c5b0615374f24e1061a7f854e569850fdf2a03c1d6a75527b6339d5d2ef9ad7", kill_on_drop: false }`
[INFO] [stdout] 3c5b0615374f24e1061a7f854e569850fdf2a03c1d6a75527b6339d5d2ef9ad7