[INFO] fetching crate revi-core 0.0.0-beta-0.6...
[INFO] testing revi-core-0.0.0-beta-0.6 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate revi-core 0.0.0-beta-0.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate revi-core 0.0.0-beta-0.6 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate revi-core 0.0.0-beta-0.6
[INFO] finished tweaking crates.io crate revi-core 0.0.0-beta-0.6
[INFO] tweaked toml for crates.io crate revi-core 0.0.0-beta-0.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mlua v0.6.2
[INFO] [stderr]   Downloaded luajit-src v210.2.0+resty5f13855
[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 778f3e2830e392115e53bfc1a8f840133a97561e964966474bd3b841ae7a7ec6
[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" "778f3e2830e392115e53bfc1a8f840133a97561e964966474bd3b841ae7a7ec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "778f3e2830e392115e53bfc1a8f840133a97561e964966474bd3b841ae7a7ec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "778f3e2830e392115e53bfc1a8f840133a97561e964966474bd3b841ae7a7ec6", kill_on_drop: false }`
[INFO] [stdout] 778f3e2830e392115e53bfc1a8f840133a97561e964966474bd3b841ae7a7ec6
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8500b4eee37b1b038590fdbf80f7149a8043cab26c9ccbcd6d7dcdc84841f8a0
[INFO] running `Command { std: "docker" "start" "-a" "8500b4eee37b1b038590fdbf80f7149a8043cab26c9ccbcd6d7dcdc84841f8a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling luajit-src v210.2.0+resty5f13855
[INFO] [stderr]    Compiling lua-src v543.0.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling ropey v1.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling mlua v0.6.2
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.1
[INFO] [stderr]    Compiling crossterm v0.20.0
[INFO] [stderr]    Compiling revi-ui v0.0.0-beta-0.6
[INFO] [stderr]    Compiling revi-core v0.0.0-beta-0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `unicode_segmentation::*`
[INFO] [stdout]  --> src/buffer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use unicode_segmentation::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.84s
[INFO] running `Command { std: "docker" "inspect" "8500b4eee37b1b038590fdbf80f7149a8043cab26c9ccbcd6d7dcdc84841f8a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8500b4eee37b1b038590fdbf80f7149a8043cab26c9ccbcd6d7dcdc84841f8a0", kill_on_drop: false }`
[INFO] [stdout] 8500b4eee37b1b038590fdbf80f7149a8043cab26c9ccbcd6d7dcdc84841f8a0
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 121fd7f6a603d3bdeff63864f02a4c626665bb0cb37a2d9ee06f9d4156918ac9
[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" "121fd7f6a603d3bdeff63864f02a4c626665bb0cb37a2d9ee06f9d4156918ac9", kill_on_drop: false }`
[INFO] [stderr]    Compiling revi-core v0.0.0-beta-0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `unicode_segmentation::*`
[INFO] [stdout]  --> src/buffer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use unicode_segmentation::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `unicode_segmentation::*`
[INFO] [stdout]  --> src/buffer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use unicode_segmentation::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "121fd7f6a603d3bdeff63864f02a4c626665bb0cb37a2d9ee06f9d4156918ac9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "121fd7f6a603d3bdeff63864f02a4c626665bb0cb37a2d9ee06f9d4156918ac9", kill_on_drop: false }`
[INFO] [stdout] 121fd7f6a603d3bdeff63864f02a4c626665bb0cb37a2d9ee06f9d4156918ac9
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f00ec7abc0750cd3ab6bc0ea579ff245c1e3c7450cbfaee2882a63a975224f4d
[INFO] running `Command { std: "docker" "start" "-a" "f00ec7abc0750cd3ab6bc0ea579ff245c1e3c7450cbfaee2882a63a975224f4d", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `unicode_segmentation::*`
[INFO] [stderr]  --> src/buffer.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use unicode_segmentation::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `unicode_segmentation::*`
[INFO] [stderr]  --> src/buffer.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use unicode_segmentation::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/revi_core-8cc67ff97c450749)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/buffer.rs (/opt/rustwide/target/debug/deps/buffer-5a68da79a2fc1178)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests revi-core
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_next_jump_idx ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f00ec7abc0750cd3ab6bc0ea579ff245c1e3c7450cbfaee2882a63a975224f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f00ec7abc0750cd3ab6bc0ea579ff245c1e3c7450cbfaee2882a63a975224f4d", kill_on_drop: false }`
[INFO] [stdout] f00ec7abc0750cd3ab6bc0ea579ff245c1e3c7450cbfaee2882a63a975224f4d