[INFO] fetching crate polk 1.1.3...
[INFO] checking polk-1.1.3 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate polk 1.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate polk 1.1.3 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate polk 1.1.3
[INFO] finished tweaking crates.io crate polk 1.1.3
[INFO] tweaked toml for crates.io crate polk 1.1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e4d8bab1f26e31c5350ed851113d63392772c1e1d4e68bfd8b58a392f8dd63c4
[INFO] running `"docker" "start" "-a" "e4d8bab1f26e31c5350ed851113d63392772c1e1d4e68bfd8b58a392f8dd63c4"`
[INFO] [stderr]     Checking symlink v0.1.0
[INFO] [stderr]     Checking polk v1.1.3 (/opt/rustwide/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: 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: `#[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] 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 3.28s
[INFO] running `"docker" "inspect" "e4d8bab1f26e31c5350ed851113d63392772c1e1d4e68bfd8b58a392f8dd63c4"`
[INFO] running `"docker" "rm" "-f" "e4d8bab1f26e31c5350ed851113d63392772c1e1d4e68bfd8b58a392f8dd63c4"`
[INFO] [stdout] e4d8bab1f26e31c5350ed851113d63392772c1e1d4e68bfd8b58a392f8dd63c4