[INFO] fetching crate rls-vfs 0.8.0...
[INFO] testing rls-vfs-0.8.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate rls-vfs 0.8.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate rls-vfs 0.8.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4cf92b73ecbc47287e5dbe2c3781c3370723d9edfbcc4f366595c3f4a5ffa6bf
[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" "4cf92b73ecbc47287e5dbe2c3781c3370723d9edfbcc4f366595c3f4a5ffa6bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cf92b73ecbc47287e5dbe2c3781c3370723d9edfbcc4f366595c3f4a5ffa6bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cf92b73ecbc47287e5dbe2c3781c3370723d9edfbcc4f366595c3f4a5ffa6bf", kill_on_drop: false }`
[INFO] [stdout] 4cf92b73ecbc47287e5dbe2c3781c3370723d9edfbcc4f366595c3f4a5ffa6bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5f158dfd67ad0a2aa98dabba7ae88075ec9eadef2fc46a9c84b33e1bf0544b3
[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" "e5f158dfd67ad0a2aa98dabba7ae88075ec9eadef2fc46a9c84b33e1bf0544b3", kill_on_drop: false }`
[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:148:30
[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:166:70
[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 2.19s
[INFO] running `Command { std: "docker" "inspect" "e5f158dfd67ad0a2aa98dabba7ae88075ec9eadef2fc46a9c84b33e1bf0544b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5f158dfd67ad0a2aa98dabba7ae88075ec9eadef2fc46a9c84b33e1bf0544b3", kill_on_drop: false }`
[INFO] [stdout] e5f158dfd67ad0a2aa98dabba7ae88075ec9eadef2fc46a9c84b33e1bf0544b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac7fe2058575941b11abbf2c5131a1501fef6397dbfa4c55b1dab5f163ca99c9
[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" "ac7fe2058575941b11abbf2c5131a1501fef6397dbfa4c55b1dab5f163ca99c9", 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:148:30
[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:166:70
[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:148:30
[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:166:70
[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 2.62s
[INFO] running `Command { std: "docker" "inspect" "ac7fe2058575941b11abbf2c5131a1501fef6397dbfa4c55b1dab5f163ca99c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac7fe2058575941b11abbf2c5131a1501fef6397dbfa4c55b1dab5f163ca99c9", kill_on_drop: false }`
[INFO] [stdout] ac7fe2058575941b11abbf2c5131a1501fef6397dbfa4c55b1dab5f163ca99c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9ad29b2a366dbc4564cda2b5284b779b9e616d8ad2a8164e9c2d432fab189531
[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" "9ad29b2a366dbc4564cda2b5284b779b9e616d8ad2a8164e9c2d432fab189531", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:148:30
[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:166:70
[INFO] [stderr]     |
[INFO] [stderr] 166 |             | Error::BadFileKind => f.write_str(::std::error::Error::description(self)),
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rls-vfs` (lib) generated 2 warnings
[INFO] [stderr] warning: `rls-vfs` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rls_vfs-8292279846979f1f)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test test::test_cached_files ... ok
[INFO] [stdout] test test::test_change_add_file ... ok
[INFO] [stdout] test test::test_changes_without_len ... ok
[INFO] [stdout] test test::test_write_without_len ... ok
[INFO] [stdout] test test::test_flush_file ... ok
[INFO] [stdout] test test::test_write_with_len ... ok
[INFO] [stdout] test test::test_user_data_without_len ... ok
[INFO] [stdout] test test::test_wide_utf8 ... ok
[INFO] [stdout] test test::test_changes_with_len ... ok
[INFO] [stdout] test test::test_wide_utf16 ... ok
[INFO] [stdout] test tests::byte_in_str_utf16 ... ok
[INFO] [stdout] test test::test_clear ... ok
[INFO] [stdout] test test::test_user_data_with_len ... ok
[INFO] [stdout] test test::test_has_changes_with_len ... ok
[INFO] [stdout] test test::test_has_changes_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" "9ad29b2a366dbc4564cda2b5284b779b9e616d8ad2a8164e9c2d432fab189531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ad29b2a366dbc4564cda2b5284b779b9e616d8ad2a8164e9c2d432fab189531", kill_on_drop: false }`
[INFO] [stdout] 9ad29b2a366dbc4564cda2b5284b779b9e616d8ad2a8164e9c2d432fab189531