[INFO] updating cached repository dylanmckay/polk
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dylanmckay/polk
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dylanmckay/polk" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/dylanmckay/polk"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/dylanmckay/polk'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dylanmckay/polk" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/dylanmckay/polk"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/dylanmckay/polk'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aba5cef736725c59342938661f8808883b15370b
[INFO] sha for GitHub repo dylanmckay/polk: aba5cef736725c59342938661f8808883b15370b
[INFO] validating manifest of dylanmckay/polk on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dylanmckay/polk on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dylanmckay/polk
[INFO] finished frobbing dylanmckay/polk
[INFO] frobbed toml for dylanmckay/polk written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/dylanmckay/polk/Cargo.toml
[INFO] started frobbing dylanmckay/polk
[INFO] finished frobbing dylanmckay/polk
[INFO] frobbed toml for dylanmckay/polk written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/dylanmckay/polk/Cargo.toml
[INFO] crate dylanmckay/polk already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking dylanmckay/polk against master#efe2f32a6b8217425f361ec7c206910c611c03ee for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-6/master#efe2f32a6b8217425f361ec7c206910c611c03ee:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/dylanmckay/polk:/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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9c49360dc1eb40fe9049a3d499246610d68bbf1ed60b889a524103e13d2eba52
[INFO] running `"docker" "start" "-a" "9c49360dc1eb40fe9049a3d499246610d68bbf1ed60b889a524103e13d2eba52"`
[INFO] [stderr]     Checking symlink v0.1.0
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking git2 v0.7.1
[INFO] [stderr]     Checking polk v1.1.3 (/opt/crater/workdir)
[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 7.18s
[INFO] running `"docker" "inspect" "9c49360dc1eb40fe9049a3d499246610d68bbf1ed60b889a524103e13d2eba52"`
[INFO] running `"docker" "rm" "-f" "9c49360dc1eb40fe9049a3d499246610d68bbf1ed60b889a524103e13d2eba52"`
[INFO] [stdout] 9c49360dc1eb40fe9049a3d499246610d68bbf1ed60b889a524103e13d2eba52