[INFO] fetching crate persistent_rope 0.1.3...
[INFO] testing persistent_rope-0.1.3 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate persistent_rope 0.1.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate persistent_rope 0.1.3 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--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 ropey v1.2.0
[INFO] [stderr]   Downloaded bytecount v0.5.1
[INFO] [stderr]   Downloaded xi-rope v0.3.0
[INFO] [stderr]   Downloaded an-rope v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74e1c031b00eef62f5023b4278e83ea05a724116415471833574ba266351eed1
[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" "74e1c031b00eef62f5023b4278e83ea05a724116415471833574ba266351eed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74e1c031b00eef62f5023b4278e83ea05a724116415471833574ba266351eed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74e1c031b00eef62f5023b4278e83ea05a724116415471833574ba266351eed1", kill_on_drop: false }`
[INFO] [stdout] 74e1c031b00eef62f5023b4278e83ea05a724116415471833574ba266351eed1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2517b4c31308e95cfe2db3b8d3623a6e902815e833d306edbfda3d05c7cef84
[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" "d2517b4c31308e95cfe2db3b8d3623a6e902815e833d306edbfda3d05c7cef84", kill_on_drop: false }`
[INFO] [stderr]    Compiling persistent_rope v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "d2517b4c31308e95cfe2db3b8d3623a6e902815e833d306edbfda3d05c7cef84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2517b4c31308e95cfe2db3b8d3623a6e902815e833d306edbfda3d05c7cef84", kill_on_drop: false }`
[INFO] [stdout] d2517b4c31308e95cfe2db3b8d3623a6e902815e833d306edbfda3d05c7cef84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--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] 7c67c460780ea44eb69d4627155422e41598e41d9ff08b5ae1389d8369736140
[INFO] running `Command { std: "docker" "start" "-a" "7c67c460780ea44eb69d4627155422e41598e41d9ff08b5ae1389d8369736140", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling macro-attr v0.2.0
[INFO] [stderr]    Compiling bytecount v0.5.1
[INFO] [stderr]    Compiling ropey v1.2.0
[INFO] [stderr]    Compiling xi-rope v0.3.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling an-rope v0.3.1
[INFO] [stderr]    Compiling persistent_rope v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.67s
[INFO] running `Command { std: "docker" "inspect" "7c67c460780ea44eb69d4627155422e41598e41d9ff08b5ae1389d8369736140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c67c460780ea44eb69d4627155422e41598e41d9ff08b5ae1389d8369736140", kill_on_drop: false }`
[INFO] [stdout] 7c67c460780ea44eb69d4627155422e41598e41d9ff08b5ae1389d8369736140
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 950c5f0d899bc38080d24b96d1ae387affc3f51629ebc36596dbcf343aa1f04e
[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" "950c5f0d899bc38080d24b96d1ae387affc3f51629ebc36596dbcf343aa1f04e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/persistent_rope-0dfdd622ddf401c0
[INFO] [stderr]    Doc-tests persistent_rope
[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] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test src/rope.rs - rope::Rope::chars_len (line 59) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::add (line 600) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::chunks (line 478) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::chars (line 498) ... ok
[INFO] [stdout] test src/rope.rs - rope::&'a Rope::add (line 619) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::eq (line 703) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::bytes_len (line 46) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::count_lines (line 99) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::height (line 85) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::concat (line 421) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::insert (line 137) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::eq (line 689) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::char_at (line 464) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::bytes (line 488) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::eq (line 661) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::concat_char (line 444) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::is_empty (line 72) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::insert_char (line 225) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::insert_at_byte (line 123) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::insert_range_byte (line 151) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::len (line 36) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::insert_char_at_byte (line 193) ... 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::new (line 26) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::split_at_byte (line 352) ... 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::remove (line 320) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::to_string (line 635) ... 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_byte (line 260) ... ok
[INFO] [stdout] test src/rope.rs - rope::Rope::remove_range (line 276) ... ok
[INFO] [stdout] test src/utils.rs - utils::split_at_char_index (line 2) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 11.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "950c5f0d899bc38080d24b96d1ae387affc3f51629ebc36596dbcf343aa1f04e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "950c5f0d899bc38080d24b96d1ae387affc3f51629ebc36596dbcf343aa1f04e", kill_on_drop: false }`
[INFO] [stdout] 950c5f0d899bc38080d24b96d1ae387affc3f51629ebc36596dbcf343aa1f04e