[INFO] fetching crate revi-core 0.0.0-beta-0.6...
[INFO] testing revi-core-0.0.0-beta-0.6 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate revi-core 0.0.0-beta-0.6 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate revi-core 0.0.0-beta-0.6 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84bc3378fd0da8b5ec9f0aa685b762bf7071d5d341fc09f0d1d2cc7e17af5a08
[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" "84bc3378fd0da8b5ec9f0aa685b762bf7071d5d341fc09f0d1d2cc7e17af5a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84bc3378fd0da8b5ec9f0aa685b762bf7071d5d341fc09f0d1d2cc7e17af5a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84bc3378fd0da8b5ec9f0aa685b762bf7071d5d341fc09f0d1d2cc7e17af5a08", kill_on_drop: false }`
[INFO] [stdout] 84bc3378fd0da8b5ec9f0aa685b762bf7071d5d341fc09f0d1d2cc7e17af5a08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9193f2bd07090696779d19023d81df5746d01a7dfcec2365c9904d895f494b08
[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" "9193f2bd07090696779d19023d81df5746d01a7dfcec2365c9904d895f494b08", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling ropey v1.3.1
[INFO] [stderr]    Compiling luajit-src v210.2.0+resty5f13855
[INFO] [stderr]    Compiling lua-src v543.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling mlua v0.6.2
[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 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 25.92s
[INFO] running `Command { std: "docker" "inspect" "9193f2bd07090696779d19023d81df5746d01a7dfcec2365c9904d895f494b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9193f2bd07090696779d19023d81df5746d01a7dfcec2365c9904d895f494b08", kill_on_drop: false }`
[INFO] [stdout] 9193f2bd07090696779d19023d81df5746d01a7dfcec2365c9904d895f494b08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87cc4b9f0bf31302baacf6ce9ac78e820a1ddb615daab7fb3b1c0a807b908c9f
[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" "87cc4b9f0bf31302baacf6ce9ac78e820a1ddb615daab7fb3b1c0a807b908c9f", 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 1.59s
[INFO] running `Command { std: "docker" "inspect" "87cc4b9f0bf31302baacf6ce9ac78e820a1ddb615daab7fb3b1c0a807b908c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87cc4b9f0bf31302baacf6ce9ac78e820a1ddb615daab7fb3b1c0a807b908c9f", kill_on_drop: false }`
[INFO] [stdout] 87cc4b9f0bf31302baacf6ce9ac78e820a1ddb615daab7fb3b1c0a807b908c9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 0a7ed78231e9d229b3e8c519b65d0e240b4b9ec2c89d754d10304333c56fe174
[INFO] running `Command { std: "docker" "start" "-a" "0a7ed78231e9d229b3e8c519b65d0e240b4b9ec2c89d754d10304333c56fe174", 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 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/revi_core-8cc67ff97c450749)
[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] [stderr]      Running tests/buffer.rs (/opt/rustwide/target/debug/deps/buffer-5a68da79a2fc1178)
[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] [stderr]    Doc-tests revi-core
[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" "0a7ed78231e9d229b3e8c519b65d0e240b4b9ec2c89d754d10304333c56fe174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a7ed78231e9d229b3e8c519b65d0e240b4b9ec2c89d754d10304333c56fe174", kill_on_drop: false }`
[INFO] [stdout] 0a7ed78231e9d229b3e8c519b65d0e240b4b9ec2c89d754d10304333c56fe174