[INFO] updating cached repository Epsylon42/c2bs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Epsylon42/c2bs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Epsylon42/c2bs" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/Epsylon42/c2bs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/Epsylon42/c2bs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Epsylon42/c2bs" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/Epsylon42/c2bs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/Epsylon42/c2bs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ede52424920bac70d887f8a98ab1a71c46e610e1
[INFO] sha for GitHub repo Epsylon42/c2bs: ede52424920bac70d887f8a98ab1a71c46e610e1
[INFO] validating manifest of Epsylon42/c2bs on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Epsylon42/c2bs on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Epsylon42/c2bs
[INFO] finished frobbing Epsylon42/c2bs
[INFO] frobbed toml for Epsylon42/c2bs written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/Epsylon42/c2bs/Cargo.toml
[INFO] started frobbing Epsylon42/c2bs
[INFO] finished frobbing Epsylon42/c2bs
[INFO] frobbed toml for Epsylon42/c2bs written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/Epsylon42/c2bs/Cargo.toml
[INFO] crate Epsylon42/c2bs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Epsylon42/c2bs against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-4/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/Epsylon42/c2bs:/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7463bc20b24f824d260a37d5bc18a4320900ea345353d518f6733370f0d23b67
[INFO] running `"docker" "start" "-a" "7463bc20b24f824d260a37d5bc18a4320900ea345353d518f6733370f0d23b67"`
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking nom v3.2.0
[INFO] [stderr]     Checking c2bs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / error_chain! {
[INFO] [stderr] 8  | |     types {
[INFO] [stderr] 9  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] 10 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 21 | |     }
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this error 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/lib.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / error_chain! {
[INFO] [stderr] 8  | |     types {
[INFO] [stderr] 9  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] 10 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 21 | |     }
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error 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/lib.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / error_chain! {
[INFO] [stderr] 8  | |     types {
[INFO] [stderr] 9  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] 10 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 21 | |     }
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this error 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/lib.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / error_chain! {
[INFO] [stderr] 8  | |     types {
[INFO] [stderr] 9  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] 10 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 21 | |     }
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error 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 5.92s
[INFO] running `"docker" "inspect" "7463bc20b24f824d260a37d5bc18a4320900ea345353d518f6733370f0d23b67"`
[INFO] running `"docker" "rm" "-f" "7463bc20b24f824d260a37d5bc18a4320900ea345353d518f6733370f0d23b67"`
[INFO] [stdout] 7463bc20b24f824d260a37d5bc18a4320900ea345353d518f6733370f0d23b67