[INFO] fetching crate polk 1.1.3...
[INFO] extracting crate polk 1.1.3 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/polk/1.1.3
[INFO] extracting crate polk 1.1.3 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/polk/1.1.3
[INFO] validating manifest of polk-1.1.3 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of polk-1.1.3 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing polk-1.1.3
[INFO] finished frobbing polk-1.1.3
[INFO] frobbed toml for polk-1.1.3 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/polk/1.1.3/Cargo.toml
[INFO] started frobbing polk-1.1.3
[INFO] finished frobbing polk-1.1.3
[INFO] frobbed toml for polk-1.1.3 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/polk/1.1.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing polk-1.1.3 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/polk/1.1.3:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 8c62ad05d7bc1966bb02b3e40e3e725a3ad3581747f37e83a4eb2e9905f8d23f
[INFO] running `"docker" "start" "-a" "8c62ad05d7bc1966bb02b3e40e3e725a3ad3581747f37e83a4eb2e9905f8d23f"`
[INFO] [stderr]    Compiling symlink v0.1.0
[INFO] [stderr]    Compiling git2 v0.7.5
[INFO] [stderr]    Compiling polk v1.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cache.rs:294:66
[INFO] [stderr]     |
[INFO] [stderr] 294 |     fn open_manifest_backend(&self) -> Result<(UserManifest, Box<Backend>), Error> {
[INFO] [stderr]     |                                                                  ^^^^^^^ help: use `dyn`: `dyn Backend`
[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/backend/mod.rs:13:55
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn setup<S>(dest: &Path, source: S) -> Result<Box<Backend>, Error>
[INFO] [stderr]    |                                                       ^^^^^^^ help: use `dyn`: `dyn Backend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/mod.rs:21:54
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn open<S>(path: &Path, source: S) -> Result<Box<Backend>, Error>
[INFO] [stderr]    |                                                      ^^^^^^^ help: use `dyn`: `dyn Backend`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]  --> src/util.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |         env::home_dir().expect("user does not have home directory")
[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/errors.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / error_chain! {
[INFO] [stderr] 2  | |     types {
[INFO] [stderr] 3  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] 4  | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 12 | |     }
[INFO] [stderr] 13 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.79s
[INFO] running `"docker" "inspect" "8c62ad05d7bc1966bb02b3e40e3e725a3ad3581747f37e83a4eb2e9905f8d23f"`
[INFO] running `"docker" "rm" "-f" "8c62ad05d7bc1966bb02b3e40e3e725a3ad3581747f37e83a4eb2e9905f8d23f"`
[INFO] [stdout] 8c62ad05d7bc1966bb02b3e40e3e725a3ad3581747f37e83a4eb2e9905f8d23f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/polk/1.1.3:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] d5468e661cf2895df7a60edfb7d874294a89286816f7654306c7e03987cef369
[INFO] running `"docker" "start" "-a" "d5468e661cf2895df7a60edfb7d874294a89286816f7654306c7e03987cef369"`
[INFO] [stderr]    Compiling polk v1.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cache.rs:294:66
[INFO] [stderr]     |
[INFO] [stderr] 294 |     fn open_manifest_backend(&self) -> Result<(UserManifest, Box<Backend>), Error> {
[INFO] [stderr]     |                                                                  ^^^^^^^ help: use `dyn`: `dyn Backend`
[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/backend/mod.rs:13:55
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn setup<S>(dest: &Path, source: S) -> Result<Box<Backend>, Error>
[INFO] [stderr]    |                                                       ^^^^^^^ help: use `dyn`: `dyn Backend`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/mod.rs:21:54
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn open<S>(path: &Path, source: S) -> Result<Box<Backend>, Error>
[INFO] [stderr]    |                                                      ^^^^^^^ help: use `dyn`: `dyn Backend`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / error_chain! {
[INFO] [stderr] 2  | |     types {
[INFO] [stderr] 3  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] 4  | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 12 | |     }
[INFO] [stderr] 13 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / error_chain! {
[INFO] [stderr] 2  | |     types {
[INFO] [stderr] 3  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] 4  | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 12 | |     }
[INFO] [stderr] 13 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.42s
[INFO] running `"docker" "inspect" "d5468e661cf2895df7a60edfb7d874294a89286816f7654306c7e03987cef369"`
[INFO] running `"docker" "rm" "-f" "d5468e661cf2895df7a60edfb7d874294a89286816f7654306c7e03987cef369"`
[INFO] [stdout] d5468e661cf2895df7a60edfb7d874294a89286816f7654306c7e03987cef369
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/polk/1.1.3:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 4f5ae02b04d654d4cf16768a8426f22d164beb3e11ad71a20ebd0644aa618833
[INFO] running `"docker" "start" "-a" "4f5ae02b04d654d4cf16768a8426f22d164beb3e11ad71a20ebd0644aa618833"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/polk-ef201b8184aee408
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test feature::test::substitute_enabled_features_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4f5ae02b04d654d4cf16768a8426f22d164beb3e11ad71a20ebd0644aa618833"`
[INFO] running `"docker" "rm" "-f" "4f5ae02b04d654d4cf16768a8426f22d164beb3e11ad71a20ebd0644aa618833"`
[INFO] [stdout] 4f5ae02b04d654d4cf16768a8426f22d164beb3e11ad71a20ebd0644aa618833