[INFO] fetching crate slash-formatter 3.1.1...
[INFO] testing slash-formatter-3.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate slash-formatter 3.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate slash-formatter 3.1.1 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 slash-formatter 3.1.1
[INFO] finished tweaking crates.io crate slash-formatter 3.1.1
[INFO] tweaked toml for crates.io crate slash-formatter 3.1.1 written to /workspace/builds/worker-4/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d79ce7c44bcc9bce9e07f0294f773027c2b3fdabc77f6bf3b65f9906198042dd
[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" "d79ce7c44bcc9bce9e07f0294f773027c2b3fdabc77f6bf3b65f9906198042dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d79ce7c44bcc9bce9e07f0294f773027c2b3fdabc77f6bf3b65f9906198042dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d79ce7c44bcc9bce9e07f0294f773027c2b3fdabc77f6bf3b65f9906198042dd", kill_on_drop: false }`
[INFO] [stdout] d79ce7c44bcc9bce9e07f0294f773027c2b3fdabc77f6bf3b65f9906198042dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 19a4fd19deaa94685e4121273aa65141a58694d7b27a7606e96457c21cbd8002
[INFO] running `Command { std: "docker" "start" "-a" "19a4fd19deaa94685e4121273aa65141a58694d7b27a7606e96457c21cbd8002", kill_on_drop: false }`
[INFO] [stderr]    Compiling slash-formatter v3.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling concat-with v0.2.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "19a4fd19deaa94685e4121273aa65141a58694d7b27a7606e96457c21cbd8002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19a4fd19deaa94685e4121273aa65141a58694d7b27a7606e96457c21cbd8002", kill_on_drop: false }`
[INFO] [stdout] 19a4fd19deaa94685e4121273aa65141a58694d7b27a7606e96457c21cbd8002
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 9fbf4eafe1b76d069d42d7fe002be2ea61432d59c0186b6fc8c5958ae6b90c03
[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" "9fbf4eafe1b76d069d42d7fe002be2ea61432d59c0186b6fc8c5958ae6b90c03", kill_on_drop: false }`
[INFO] [stderr]    Compiling slash-formatter v3.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "9fbf4eafe1b76d069d42d7fe002be2ea61432d59c0186b6fc8c5958ae6b90c03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fbf4eafe1b76d069d42d7fe002be2ea61432d59c0186b6fc8c5958ae6b90c03", kill_on_drop: false }`
[INFO] [stdout] 9fbf4eafe1b76d069d42d7fe002be2ea61432d59c0186b6fc8c5958ae6b90c03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] dbb9cde4a378635487d7e824850a5e50d01a8bdb39ca465a4b4558ddf19c2af9
[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" "dbb9cde4a378635487d7e824850a5e50d01a8bdb39ca465a4b4558ddf19c2af9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/slash_formatter-e6e57b7a11b647d3
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slash-formatter
[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 53 tests
[INFO] [stdout] test src/file_separator.rs - concat_with_file_separator (line 342) ... ok
[INFO] [stdout] test src/backslash.rs - backslash_in_place (line 227) ... ok
[INFO] [stdout] test src/file_separator.rs - file_separator (line 254) ... ok
[INFO] [stdout] test src/backslash.rs - backslash::add_start_backslash (line 88) ... ok
[INFO] [stdout] test src/backslash.rs - backslash::delete_start_backslash (line 48) ... ok
[INFO] [stdout] test src/backslash.rs - backslash::concat_with_backslash_in_place (line 176) ... ok
[INFO] [stdout] test src/backslash.rs - backslash::delete_end_backslash (line 6) ... ok
[INFO] [stdout] test src/backslash.rs - backslash::add_start_backslash_in_place (line 106) ... ok
[INFO] [stdout] test src/backslash.rs - backslash::delete_start_backslash_in_place (line 68) ... ok
[INFO] [stdout] test src/backslash.rs - concat_with_backslash (line 252) ... ok
[INFO] [stdout] test src/backslash.rs - backslash::add_end_backslash (line 124) ... ok
[INFO] [stdout] test src/backslash.rs - backslash::delete_end_backslash_in_place (line 26) ... ok
[INFO] [stdout] test src/file_separator.rs - file_separator::add_end_file_separator (line 153) ... ok
[INFO] [stdout] test src/backslash.rs - backslash::add_end_backslash_in_place (line 142) ... ok
[INFO] [stdout] test src/backslash.rs - backslash::concat_with_backslash (line 160) ... ok
[INFO] [stdout] test src/backslash.rs - backslash (line 194) ... ok
[INFO] [stdout] test src/file_separator.rs - file_separator::delete_end_file_separator (line 6) ... ok
[INFO] [stdout] test src/file_separator_build.rs - concat_with_file_separator_debug_release (line 379) ... ok
[INFO] [stdout] test src/file_separator.rs - file_separator::concat_with_file_separator (line 200) ... ok
[INFO] [stdout] test src/file_separator.rs - file_separator::add_start_file_separator (line 106) ... ok
[INFO] [stdout] test src/file_separator.rs - file_separator::add_start_file_separator_in_place (line 129) ... ok
[INFO] [stdout] test src/file_separator.rs - file_separator::delete_end_file_separator_in_place (line 32) ... ok
[INFO] [stdout] test src/file_separator.rs - file_separator_in_place (line 300) ... ok
[INFO] [stdout] test src/file_separator.rs - file_separator::delete_start_file_separator (line 56) ... ok
[INFO] [stdout] test src/file_separator.rs - file_separator::delete_start_file_separator_in_place (line 82) ... ok
[INFO] [stdout] test src/file_separator_build.rs - concat_with_file_separator_build (line 345) ... ok
[INFO] [stdout] test src/file_separator.rs - file_separator::add_end_file_separator_in_place (line 176) ... ok
[INFO] [stdout] test src/file_separator_build.rs - file_separator_build::add_end_file_separator_build (line 153) ... ok
[INFO] [stdout] test src/file_separator.rs - file_separator::concat_with_file_separator_in_place (line 226) ... ok
[INFO] [stdout] test src/file_separator_build.rs - file_separator_build::add_end_file_separator_build_in_place (line 176) ... ok
[INFO] [stdout] test src/file_separator_build.rs - file_separator_build (line 257) ... ok
[INFO] [stdout] test src/file_separator_build.rs - file_separator_build::add_start_file_separator_build (line 106) ... ok
[INFO] [stdout] test src/file_separator_build.rs - file_separator_build::add_start_file_separator_build_in_place (line 129) ... ok
[INFO] [stdout] test src/file_separator_build.rs - file_separator_build::delete_end_file_separator_build (line 6) ... ok
[INFO] [stdout] test src/file_separator_build.rs - file_separator_build::concat_with_file_separator_build (line 200) ... ok
[INFO] [stdout] test src/file_separator_build.rs - file_separator_build::delete_end_file_separator_build_in_place (line 32) ... ok
[INFO] [stdout] test src/file_separator_build.rs - file_separator_build::delete_start_file_separator_build (line 56) ... ok
[INFO] [stdout] test src/file_separator_build.rs - file_separator_build::concat_with_file_separator_build_in_place (line 229) ... ok
[INFO] [stdout] test src/file_separator_build.rs - file_separator_build::delete_start_file_separator_build_in_place (line 82) ... ok
[INFO] [stdout] test src/slash.rs - slash (line 194) ... ok
[INFO] [stdout] test src/slash.rs - concat_with_slash (line 252) ... ok
[INFO] [stdout] test src/slash.rs - slash::add_end_slash (line 124) ... ok
[INFO] [stdout] test src/slash.rs - slash::add_start_slash (line 88) ... ok
[INFO] [stdout] test src/file_separator_build.rs - file_separator_build_in_place (line 303) ... ok
[INFO] [stdout] test src/slash.rs - slash::delete_end_slash (line 6) ... ok
[INFO] [stdout] test src/slash.rs - slash::add_end_slash_in_place (line 142) ... ok
[INFO] [stdout] test src/slash.rs - slash::add_start_slash_in_place (line 106) ... ok
[INFO] [stdout] test src/slash.rs - slash::delete_start_slash (line 48) ... ok
[INFO] [stdout] test src/slash.rs - slash::concat_with_slash_in_place (line 176) ... ok
[INFO] [stdout] test src/slash.rs - slash::concat_with_slash (line 160) ... ok
[INFO] [stdout] test src/slash.rs - slash::delete_end_slash_in_place (line 26) ... ok
[INFO] [stdout] test src/slash.rs - slash::delete_start_slash_in_place (line 68) ... ok
[INFO] [stdout] test src/slash.rs - slash_in_place (line 227) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 53 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 15.80s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dbb9cde4a378635487d7e824850a5e50d01a8bdb39ca465a4b4558ddf19c2af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbb9cde4a378635487d7e824850a5e50d01a8bdb39ca465a4b4558ddf19c2af9", kill_on_drop: false }`
[INFO] [stdout] dbb9cde4a378635487d7e824850a5e50d01a8bdb39ca465a4b4558ddf19c2af9