[INFO] updating cached repository dalance/ptags
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dalance/ptags
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dalance/ptags" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/dalance/ptags"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/dalance/ptags'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dalance/ptags" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/dalance/ptags"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/dalance/ptags'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 82ad4095e42fd75aedb374749d6f60f677563c0e
[INFO] sha for GitHub repo dalance/ptags: 82ad4095e42fd75aedb374749d6f60f677563c0e
[INFO] validating manifest of dalance/ptags 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 dalance/ptags 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 dalance/ptags
[INFO] finished frobbing dalance/ptags
[INFO] frobbed toml for dalance/ptags written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/dalance/ptags/Cargo.toml
[INFO] started frobbing dalance/ptags
[INFO] finished frobbing dalance/ptags
[INFO] frobbed toml for dalance/ptags written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/dalance/ptags/Cargo.toml
[INFO] crate dalance/ptags 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 dalance/ptags against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-1/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/dalance/ptags:/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] ff9ceb567d5de05280643e8e73adb9f7e1e0c656e0af570b6d02fb12ffe61f4c
[INFO] running `"docker" "start" "-a" "ff9ceb567d5de05280643e8e73adb9f7e1e0c656e0af570b6d02fb12ffe61f4c"`
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]     Checking nix v0.10.0
[INFO] [stderr]    Compiling structopt-derive v0.2.5
[INFO] [stderr]    Compiling structopt-toml-derive v0.2.4
[INFO] [stderr]     Checking structopt v0.2.5
[INFO] [stderr]     Checking structopt-toml v0.2.4
[INFO] [stderr]     Checking ptags v0.2.2-pre (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[macro_use]
[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/bin.rs:120:1
[INFO] [stderr]     |
[INFO] [stderr] 120 | / error_chain! {
[INFO] [stderr] 121 | |     links {
[INFO] [stderr] 122 | |         Git(super::cmd_git::Error, super::cmd_git::ErrorKind);
[INFO] [stderr] 123 | |         Ctags(super::cmd_ctags::Error, super::cmd_ctags::ErrorKind);
[INFO] [stderr] ...   |
[INFO] [stderr] 130 | |     }
[INFO] [stderr] 131 | | }
[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/bin.rs:120:1
[INFO] [stderr]     |
[INFO] [stderr] 120 | / error_chain! {
[INFO] [stderr] 121 | |     links {
[INFO] [stderr] 122 | |         Git(super::cmd_git::Error, super::cmd_git::ErrorKind);
[INFO] [stderr] 123 | |         Ctags(super::cmd_ctags::Error, super::cmd_ctags::ErrorKind);
[INFO] [stderr] ...   |
[INFO] [stderr] 130 | |     }
[INFO] [stderr] 131 | | }
[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/cmd_ctags.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | / error_chain! {
[INFO] [stderr] 21 | |     foreign_links {
[INFO] [stderr] 22 | |         Io(::std::io::Error);
[INFO] [stderr] 23 | |         Utf8(::std::str::Utf8Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |     }
[INFO] [stderr] 41 | | }
[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/cmd_git.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / error_chain! {
[INFO] [stderr] 10 | |     foreign_links {
[INFO] [stderr] 11 | |         Io(::std::io::Error);
[INFO] [stderr] 12 | |         Utf8(::std::str::Utf8Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     }
[INFO] [stderr] 28 | | }
[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/bin.rs:120:1
[INFO] [stderr]     |
[INFO] [stderr] 120 | / error_chain! {
[INFO] [stderr] 121 | |     links {
[INFO] [stderr] 122 | |         Git(super::cmd_git::Error, super::cmd_git::ErrorKind);
[INFO] [stderr] 123 | |         Ctags(super::cmd_ctags::Error, super::cmd_ctags::ErrorKind);
[INFO] [stderr] ...   |
[INFO] [stderr] 130 | |     }
[INFO] [stderr] 131 | | }
[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/bin.rs:120:1
[INFO] [stderr]     |
[INFO] [stderr] 120 | / error_chain! {
[INFO] [stderr] 121 | |     links {
[INFO] [stderr] 122 | |         Git(super::cmd_git::Error, super::cmd_git::ErrorKind);
[INFO] [stderr] 123 | |         Ctags(super::cmd_ctags::Error, super::cmd_ctags::ErrorKind);
[INFO] [stderr] ...   |
[INFO] [stderr] 130 | |     }
[INFO] [stderr] 131 | | }
[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/cmd_ctags.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | / error_chain! {
[INFO] [stderr] 21 | |     foreign_links {
[INFO] [stderr] 22 | |         Io(::std::io::Error);
[INFO] [stderr] 23 | |         Utf8(::std::str::Utf8Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |     }
[INFO] [stderr] 41 | | }
[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/cmd_git.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / error_chain! {
[INFO] [stderr] 10 | |     foreign_links {
[INFO] [stderr] 11 | |         Io(::std::io::Error);
[INFO] [stderr] 12 | |         Utf8(::std::str::Utf8Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     }
[INFO] [stderr] 28 | | }
[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 24.37s
[INFO] running `"docker" "inspect" "ff9ceb567d5de05280643e8e73adb9f7e1e0c656e0af570b6d02fb12ffe61f4c"`
[INFO] running `"docker" "rm" "-f" "ff9ceb567d5de05280643e8e73adb9f7e1e0c656e0af570b6d02fb12ffe61f4c"`
[INFO] [stdout] ff9ceb567d5de05280643e8e73adb9f7e1e0c656e0af570b6d02fb12ffe61f4c