[INFO] fetching crate rls-vfs 0.8.0...
[INFO] testing rls-vfs-0.8.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate rls-vfs 0.8.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rls-vfs 0.8.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rls-vfs 0.8.0
[INFO] finished tweaking crates.io crate rls-vfs 0.8.0
[INFO] tweaked toml for crates.io crate rls-vfs 0.8.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54fcc514cf5a21f721338605b5e503ae3ee38b634612afce94ea235d4673d7b1
[INFO] running `Command { std: "docker" "start" "-a" "54fcc514cf5a21f721338605b5e503ae3ee38b634612afce94ea235d4673d7b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54fcc514cf5a21f721338605b5e503ae3ee38b634612afce94ea235d4673d7b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54fcc514cf5a21f721338605b5e503ae3ee38b634612afce94ea235d4673d7b1", kill_on_drop: false }`
[INFO] [stdout] 54fcc514cf5a21f721338605b5e503ae3ee38b634612afce94ea235d4673d7b1
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d78157f45296785ffe89b5dfe03ee89544a5b01b162f2c245c4bb440324dc31e
[INFO] running `Command { std: "docker" "start" "-a" "d78157f45296785ffe89b5dfe03ee89544a5b01b162f2c245c4bb440324dc31e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling rls-span v0.5.4
[INFO] [stderr]    Compiling rls-vfs v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         ::std::error::Error::description(&self).to_owned()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:166:49
[INFO] [stdout]     |
[INFO] [stdout] 166 |             | Error::BadFileKind => f.write_str(::std::error::Error::description(self)),
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.61s
[INFO] running `Command { std: "docker" "inspect" "d78157f45296785ffe89b5dfe03ee89544a5b01b162f2c245c4bb440324dc31e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d78157f45296785ffe89b5dfe03ee89544a5b01b162f2c245c4bb440324dc31e", kill_on_drop: false }`
[INFO] [stdout] d78157f45296785ffe89b5dfe03ee89544a5b01b162f2c245c4bb440324dc31e
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdecb59c2fd35e1c05b8f62be09daa4785cc407e5d1a6844dbcdce1b41c6e2f3
[INFO] running `Command { std: "docker" "start" "-a" "cdecb59c2fd35e1c05b8f62be09daa4785cc407e5d1a6844dbcdce1b41c6e2f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rls-vfs v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         ::std::error::Error::description(&self).to_owned()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:166:49
[INFO] [stdout]     |
[INFO] [stdout] 166 |             | Error::BadFileKind => f.write_str(::std::error::Error::description(self)),
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         ::std::error::Error::description(&self).to_owned()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:166:49
[INFO] [stdout]     |
[INFO] [stdout] 166 |             | Error::BadFileKind => f.write_str(::std::error::Error::description(self)),
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "cdecb59c2fd35e1c05b8f62be09daa4785cc407e5d1a6844dbcdce1b41c6e2f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdecb59c2fd35e1c05b8f62be09daa4785cc407e5d1a6844dbcdce1b41c6e2f3", kill_on_drop: false }`
[INFO] [stdout] cdecb59c2fd35e1c05b8f62be09daa4785cc407e5d1a6844dbcdce1b41c6e2f3
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 502ad38f68ed6129040712372afa1a5d96c6eaa830ab62216b91b5a2d596b548
[INFO] running `Command { std: "docker" "start" "-a" "502ad38f68ed6129040712372afa1a5d96c6eaa830ab62216b91b5a2d596b548", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |         ::std::error::Error::description(&self).to_owned()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:166:49
[INFO] [stderr]     |
[INFO] [stderr] 166 |             | Error::BadFileKind => f.write_str(::std::error::Error::description(self)),
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |         ::std::error::Error::description(&self).to_owned()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:166:49
[INFO] [stderr]     |
[INFO] [stderr] 166 |             | Error::BadFileKind => f.write_str(::std::error::Error::description(self)),
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rls_vfs-6c9da2667108116d)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test test::test_cached_files ... ok
[INFO] [stdout] test test::test_changes_without_len ... ok
[INFO] [stdout] test test::test_changes_with_len ... ok
[INFO] [stdout] test test::test_change_add_file ... ok
[INFO] [stdout] test test::test_has_changes_with_len ... ok
[INFO] [stdout] test test::test_write_with_len ... ok
[INFO] [stdout] test test::test_wide_utf16 ... ok
[INFO] [stdout] test test::test_user_data_without_len ... ok
[INFO] [stdout] test test::test_wide_utf8 ... ok
[INFO] [stdout] test test::test_flush_file ... ok
[INFO] [stdout] test test::test_clear ... ok
[INFO] [stdout] test test::test_has_changes_without_len ... ok
[INFO] [stdout] test tests::byte_in_str_utf16 ... ok
[INFO] [stdout] test test::test_user_data_with_len ... ok
[INFO] [stdout] test test::test_write_without_len ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rls-vfs
[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" "502ad38f68ed6129040712372afa1a5d96c6eaa830ab62216b91b5a2d596b548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "502ad38f68ed6129040712372afa1a5d96c6eaa830ab62216b91b5a2d596b548", kill_on_drop: false }`
[INFO] [stdout] 502ad38f68ed6129040712372afa1a5d96c6eaa830ab62216b91b5a2d596b548