[INFO] crate filearco 0.1.0 is already in cache
[INFO] extracting crate filearco 0.1.0 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/filearco/0.1.0
[INFO] extracting crate filearco 0.1.0 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/filearco/0.1.0
[INFO] validating manifest of filearco-0.1.0 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of filearco-0.1.0 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing filearco-0.1.0
[INFO] finished frobbing filearco-0.1.0
[INFO] frobbed toml for filearco-0.1.0 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/filearco/0.1.0/Cargo.toml
[INFO] started frobbing filearco-0.1.0
[INFO] finished frobbing filearco-0.1.0
[INFO] frobbed toml for filearco-0.1.0 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/filearco/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking filearco-0.1.0 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-2/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/filearco/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3cdc42d3ec703b973c788cc6447034f39517ca0fd1d8d76492bd30517c7436a4
[INFO] running `"docker" "start" "-a" "3cdc42d3ec703b973c788cc6447034f39517ca0fd1d8d76492bd30517c7436a4"`
[INFO] [stderr]     Checking same-file v0.1.3
[INFO] [stderr]     Checking page_size v0.4.1
[INFO] [stderr]     Checking memmap v0.5.2
[INFO] [stderr]     Checking bincode v0.8.0
[INFO] [stderr]     Checking memadvise v0.1.2
[INFO] [stderr]     Checking walkdir v1.0.7
[INFO] [stderr]     Checking filearco v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/file_data.rs:164:32
[INFO] [stderr]     |
[INFO] [stderr] 164 |     fn cause(&self) -> Option<&error::Error> { None }
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/v1.rs:506:32
[INFO] [stderr]     |
[INFO] [stderr] 506 |     fn cause(&self) -> Option<&error::Error> { None }
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:95:32
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/file_data.rs:164:32
[INFO] [stderr]     |
[INFO] [stderr] 164 |     fn cause(&self) -> Option<&error::Error> { None }
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/v1.rs:506:32
[INFO] [stderr]     |
[INFO] [stderr] 506 |     fn cause(&self) -> Option<&error::Error> { None }
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:95:32
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:97:40
[INFO] [stderr]    |
[INFO] [stderr] 97 |             &Error::Io(ref err) => err.cause(),
[INFO] [stderr]    |                                        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:98:42
[INFO] [stderr]    |
[INFO] [stderr] 98 |             &Error::Utf8(ref err) => err.cause(),
[INFO] [stderr]    |                                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:99:45
[INFO] [stderr]    |
[INFO] [stderr] 99 |             &Error::Walkdir(ref err) => err.cause(),
[INFO] [stderr]    |                                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:100:48
[INFO] [stderr]     |
[INFO] [stderr] 100 |             &Error::FileArcoV1(ref err) => err.cause(),
[INFO] [stderr]     |                                                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:101:46
[INFO] [stderr]     |
[INFO] [stderr] 101 |             &Error::FileData(ref err) => err.cause(),
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:97:40
[INFO] [stderr]    |
[INFO] [stderr] 97 |             &Error::Io(ref err) => err.cause(),
[INFO] [stderr]    |                                        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:98:42
[INFO] [stderr]    |
[INFO] [stderr] 98 |             &Error::Utf8(ref err) => err.cause(),
[INFO] [stderr]    |                                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:99:45
[INFO] [stderr]    |
[INFO] [stderr] 99 |             &Error::Walkdir(ref err) => err.cause(),
[INFO] [stderr]    |                                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:100:48
[INFO] [stderr]     |
[INFO] [stderr] 100 |             &Error::FileArcoV1(ref err) => err.cause(),
[INFO] [stderr]     |                                                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:101:46
[INFO] [stderr]     |
[INFO] [stderr] 101 |             &Error::FileData(ref err) => err.cause(),
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `"docker" "inspect" "3cdc42d3ec703b973c788cc6447034f39517ca0fd1d8d76492bd30517c7436a4"`
[INFO] running `"docker" "rm" "-f" "3cdc42d3ec703b973c788cc6447034f39517ca0fd1d8d76492bd30517c7436a4"`
[INFO] [stdout] 3cdc42d3ec703b973c788cc6447034f39517ca0fd1d8d76492bd30517c7436a4