[INFO] fetching crate filearco 0.1.0...
[INFO] checking filearco-0.1.0 against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] extracting crate filearco 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate filearco 0.1.0 on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate filearco 0.1.0
[INFO] finished tweaking crates.io crate filearco 0.1.0
[INFO] tweaked toml for crates.io crate filearco 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memmap v0.5.2
[INFO] [stderr]   Downloaded page_size v0.4.2
[INFO] [stderr]   Downloaded build_const v0.2.1
[INFO] [stderr]   Downloaded bincode v0.8.0
[INFO] [stderr]   Downloaded crc v1.8.1
[INFO] [stderr]   Downloaded memadvise v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1544cc484c554176ad3f5df59b69c101e770a8e96a28ebb57fdd0a25bc0b2ce9
[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" "1544cc484c554176ad3f5df59b69c101e770a8e96a28ebb57fdd0a25bc0b2ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1544cc484c554176ad3f5df59b69c101e770a8e96a28ebb57fdd0a25bc0b2ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1544cc484c554176ad3f5df59b69c101e770a8e96a28ebb57fdd0a25bc0b2ce9", kill_on_drop: false }`
[INFO] [stdout] 1544cc484c554176ad3f5df59b69c101e770a8e96a28ebb57fdd0a25bc0b2ce9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7034363c6765c376a0ba5524df744b925eade00464e43d727862e3ea453ac349
[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" "7034363c6765c376a0ba5524df744b925eade00464e43d727862e3ea453ac349", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking same-file v0.1.3
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking walkdir v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking page_size v0.4.2
[INFO] [stderr]     Checking memmap v0.5.2
[INFO] [stderr]     Checking memadvise v0.1.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking bincode v0.8.0
[INFO] [stderr]     Checking filearco v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/file_data.rs:164:32
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn cause(&self) -> Option<&error::Error> { None }
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/v1.rs:506:32
[INFO] [stdout]     |
[INFO] [stdout] 506 |     fn cause(&self) -> Option<&error::Error> { None }
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/file_data.rs:164:32
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn cause(&self) -> Option<&error::Error> { None }
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/v1.rs:506:32
[INFO] [stdout]     |
[INFO] [stdout] 506 |     fn cause(&self) -> Option<&error::Error> { None }
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:95:32
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:95:32
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:87:40
[INFO] [stdout]    |
[INFO] [stdout] 87 |             &Error::Io(ref err) => err.description(),
[INFO] [stdout]    |                                        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:88:42
[INFO] [stdout]    |
[INFO] [stdout] 88 |             &Error::Utf8(ref err) => err.description(),
[INFO] [stdout]    |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:89:45
[INFO] [stdout]    |
[INFO] [stdout] 89 |             &Error::Walkdir(ref err) => err.description(),
[INFO] [stdout]    |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:90:48
[INFO] [stdout]    |
[INFO] [stdout] 90 |             &Error::FileArcoV1(ref err) => err.description(),
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:91:46
[INFO] [stdout]    |
[INFO] [stdout] 91 |             &Error::FileData(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/lib.rs:97:40
[INFO] [stdout]    |
[INFO] [stdout] 97 |             &Error::Io(ref err) => err.cause(),
[INFO] [stdout]    |                                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/lib.rs:98:42
[INFO] [stdout]    |
[INFO] [stdout] 98 |             &Error::Utf8(ref err) => err.cause(),
[INFO] [stdout]    |                                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/lib.rs:99:45
[INFO] [stdout]    |
[INFO] [stdout] 99 |             &Error::Walkdir(ref err) => err.cause(),
[INFO] [stdout]    |                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:100:48
[INFO] [stdout]     |
[INFO] [stdout] 100 |             &Error::FileArcoV1(ref err) => err.cause(),
[INFO] [stdout]     |                                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:101:46
[INFO] [stdout]     |
[INFO] [stdout] 101 |             &Error::FileData(ref err) => err.cause(),
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:87:40
[INFO] [stdout]    |
[INFO] [stdout] 87 |             &Error::Io(ref err) => err.description(),
[INFO] [stdout]    |                                        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:88:42
[INFO] [stdout]    |
[INFO] [stdout] 88 |             &Error::Utf8(ref err) => err.description(),
[INFO] [stdout]    |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:89:45
[INFO] [stdout]    |
[INFO] [stdout] 89 |             &Error::Walkdir(ref err) => err.description(),
[INFO] [stdout]    |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:90:48
[INFO] [stdout]    |
[INFO] [stdout] 90 |             &Error::FileArcoV1(ref err) => err.description(),
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:91:46
[INFO] [stdout]    |
[INFO] [stdout] 91 |             &Error::FileData(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/lib.rs:97:40
[INFO] [stdout]    |
[INFO] [stdout] 97 |             &Error::Io(ref err) => err.cause(),
[INFO] [stdout]    |                                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/lib.rs:98:42
[INFO] [stdout]    |
[INFO] [stdout] 98 |             &Error::Utf8(ref err) => err.cause(),
[INFO] [stdout]    |                                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/lib.rs:99:45
[INFO] [stdout]    |
[INFO] [stdout] 99 |             &Error::Walkdir(ref err) => err.cause(),
[INFO] [stdout]    |                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:100:48
[INFO] [stdout]     |
[INFO] [stdout] 100 |             &Error::FileArcoV1(ref err) => err.cause(),
[INFO] [stdout]     |                                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/lib.rs:101:46
[INFO] [stdout]     |
[INFO] [stdout] 101 |             &Error::FileData(ref err) => err.cause(),
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.60s
[INFO] running `Command { std: "docker" "inspect" "7034363c6765c376a0ba5524df744b925eade00464e43d727862e3ea453ac349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7034363c6765c376a0ba5524df744b925eade00464e43d727862e3ea453ac349", kill_on_drop: false }`
[INFO] [stdout] 7034363c6765c376a0ba5524df744b925eade00464e43d727862e3ea453ac349
