[INFO] crate journald 0.6.0 is already in cache
[INFO] testing journald-0.6.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate journald 0.6.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate journald 0.6.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate journald 0.6.0
[INFO] finished tweaking crates.io crate journald 0.6.0
[INFO] tweaked toml for crates.io crate journald 0.6.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 95d4f12d167d44016f53f9d814542f644bede78dee47466f9cc4d17b36b22ead
[INFO] running `"docker" "start" "-a" "95d4f12d167d44016f53f9d814542f644bede78dee47466f9cc4d17b36b22ead"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling utf8-cstr v0.1.6
[INFO] [stderr]    Compiling libsystemd-sys v0.2.2
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling cstr-argument v0.0.2
[INFO] [stderr]    Compiling journald v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/journal_reader.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         sd_try!(ffi::sd_journal_open(&mut journal.j, flags));
[INFO] [stderr]    |         ----------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/journal_reader.rs:93:15
[INFO] [stderr]    |
[INFO] [stderr] 93 |         while sd_try!(ffi::sd_journal_enumerate_data(self.j, &data, &mut sz)) > 0 {
[INFO] [stderr]    |               --------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:151:12
[INFO] [stderr]     |
[INFO] [stderr] 151 |         if sd_try!(ffi::sd_journal_next(self.j)) == 0 {
[INFO] [stderr]     |            ------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:161:12
[INFO] [stderr]     |
[INFO] [stderr] 161 |         if sd_try!(ffi::sd_journal_previous(self.j)) == 0 {
[INFO] [stderr]     |            ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:172:34
[INFO] [stderr]     |
[INFO] [stderr] 172 |             JournalSeek::Head => sd_try!(ffi::sd_journal_seek_head(self.j)),
[INFO] [stderr]     |                                  ------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:173:34
[INFO] [stderr]     |
[INFO] [stderr] 173 |             JournalSeek::Tail => sd_try!(ffi::sd_journal_seek_tail(self.j)),
[INFO] [stderr]     |                                  ------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:174:41
[INFO] [stderr]     |
[INFO] [stderr] 174 |             JournalSeek::Cursor(cur) => sd_try!(ffi::sd_journal_seek_cursor(self.j, ::std::ffi::CString::new(cur)?.as_ptr())),
[INFO] [stderr]     |                                         ------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |           try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |           sd_try!(
[INFO] [stderr]     |  _________-
[INFO] [stderr] 182 | |                 ffi::sd_journal_add_match(
[INFO] [stderr] 183 | |                         self.j,
[INFO] [stderr] 184 | |                         ::std::ffi::CString::new(filter)?.as_ptr() as *mut ::ffi::c_void,
[INFO] [stderr] 185 | |                         0));
[INFO] [stderr]     | |____________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/journal_writer.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     sd_try!(ffi::sd_journal_sendv(fields_iovec.as_ptr(), fields_iovec.len() as c_int));
[INFO] [stderr]    |     ----------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.96s
[INFO] running `"docker" "inspect" "95d4f12d167d44016f53f9d814542f644bede78dee47466f9cc4d17b36b22ead"`
[INFO] running `"docker" "rm" "-f" "95d4f12d167d44016f53f9d814542f644bede78dee47466f9cc4d17b36b22ead"`
[INFO] [stdout] 95d4f12d167d44016f53f9d814542f644bede78dee47466f9cc4d17b36b22ead
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6d8cdeadb02453fa1b3d6047f989009b82390f1d0778742a5db5b1aa2b98f9d7
[INFO] running `"docker" "start" "-a" "6d8cdeadb02453fa1b3d6047f989009b82390f1d0778742a5db5b1aa2b98f9d7"`
[INFO] [stderr]    Compiling journald v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/journal_reader.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         sd_try!(ffi::sd_journal_open(&mut journal.j, flags));
[INFO] [stderr]    |         ----------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/journal_reader.rs:93:15
[INFO] [stderr]    |
[INFO] [stderr] 93 |         while sd_try!(ffi::sd_journal_enumerate_data(self.j, &data, &mut sz)) > 0 {
[INFO] [stderr]    |               --------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:151:12
[INFO] [stderr]     |
[INFO] [stderr] 151 |         if sd_try!(ffi::sd_journal_next(self.j)) == 0 {
[INFO] [stderr]     |            ------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:161:12
[INFO] [stderr]     |
[INFO] [stderr] 161 |         if sd_try!(ffi::sd_journal_previous(self.j)) == 0 {
[INFO] [stderr]     |            ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:172:34
[INFO] [stderr]     |
[INFO] [stderr] 172 |             JournalSeek::Head => sd_try!(ffi::sd_journal_seek_head(self.j)),
[INFO] [stderr]     |                                  ------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:173:34
[INFO] [stderr]     |
[INFO] [stderr] 173 |             JournalSeek::Tail => sd_try!(ffi::sd_journal_seek_tail(self.j)),
[INFO] [stderr]     |                                  ------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:174:41
[INFO] [stderr]     |
[INFO] [stderr] 174 |             JournalSeek::Cursor(cur) => sd_try!(ffi::sd_journal_seek_cursor(self.j, ::std::ffi::CString::new(cur)?.as_ptr())),
[INFO] [stderr]     |                                         ------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |           try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |           sd_try!(
[INFO] [stderr]     |  _________-
[INFO] [stderr] 182 | |                 ffi::sd_journal_add_match(
[INFO] [stderr] 183 | |                         self.j,
[INFO] [stderr] 184 | |                         ::std::ffi::CString::new(filter)?.as_ptr() as *mut ::ffi::c_void,
[INFO] [stderr] 185 | |                         0));
[INFO] [stderr]     | |____________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/journal_writer.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     sd_try!(ffi::sd_journal_sendv(fields_iovec.as_ptr(), fields_iovec.len() as c_int));
[INFO] [stderr]    |     ----------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/journal_reader.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         sd_try!(ffi::sd_journal_open(&mut journal.j, flags));
[INFO] [stderr]    |         ----------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/journal_reader.rs:93:15
[INFO] [stderr]    |
[INFO] [stderr] 93 |         while sd_try!(ffi::sd_journal_enumerate_data(self.j, &data, &mut sz)) > 0 {
[INFO] [stderr]    |               --------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:151:12
[INFO] [stderr]     |
[INFO] [stderr] 151 |         if sd_try!(ffi::sd_journal_next(self.j)) == 0 {
[INFO] [stderr]     |            ------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:161:12
[INFO] [stderr]     |
[INFO] [stderr] 161 |         if sd_try!(ffi::sd_journal_previous(self.j)) == 0 {
[INFO] [stderr]     |            ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:172:34
[INFO] [stderr]     |
[INFO] [stderr] 172 |             JournalSeek::Head => sd_try!(ffi::sd_journal_seek_head(self.j)),
[INFO] [stderr]     |                                  ------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:173:34
[INFO] [stderr]     |
[INFO] [stderr] 173 |             JournalSeek::Tail => sd_try!(ffi::sd_journal_seek_tail(self.j)),
[INFO] [stderr]     |                                  ------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:174:41
[INFO] [stderr]     |
[INFO] [stderr] 174 |             JournalSeek::Cursor(cur) => sd_try!(ffi::sd_journal_seek_cursor(self.j, ::std::ffi::CString::new(cur)?.as_ptr())),
[INFO] [stderr]     |                                         ------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |           try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |           sd_try!(
[INFO] [stderr]     |  _________-
[INFO] [stderr] 182 | |                 ffi::sd_journal_add_match(
[INFO] [stderr] 183 | |                         self.j,
[INFO] [stderr] 184 | |                         ::std::ffi::CString::new(filter)?.as_ptr() as *mut ::ffi::c_void,
[INFO] [stderr] 185 | |                         0));
[INFO] [stderr]     | |____________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/journal_writer.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     sd_try!(ffi::sd_journal_sendv(fields_iovec.as_ptr(), fields_iovec.len() as c_int));
[INFO] [stderr]    |     ----------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `"docker" "inspect" "6d8cdeadb02453fa1b3d6047f989009b82390f1d0778742a5db5b1aa2b98f9d7"`
[INFO] running `"docker" "rm" "-f" "6d8cdeadb02453fa1b3d6047f989009b82390f1d0778742a5db5b1aa2b98f9d7"`
[INFO] [stdout] 6d8cdeadb02453fa1b3d6047f989009b82390f1d0778742a5db5b1aa2b98f9d7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 51d7bbdd706b7460853d6b122ca370c09664f7552bb37abbf59e1de6b822dd26
[INFO] running `"docker" "start" "-a" "51d7bbdd706b7460853d6b122ca370c09664f7552bb37abbf59e1de6b822dd26"`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/journal_reader.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         sd_try!(ffi::sd_journal_open(&mut journal.j, flags));
[INFO] [stderr]    |         ----------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/journal_reader.rs:93:15
[INFO] [stderr]    |
[INFO] [stderr] 93 |         while sd_try!(ffi::sd_journal_enumerate_data(self.j, &data, &mut sz)) > 0 {
[INFO] [stderr]    |               --------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:151:12
[INFO] [stderr]     |
[INFO] [stderr] 151 |         if sd_try!(ffi::sd_journal_next(self.j)) == 0 {
[INFO] [stderr]     |            ------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:161:12
[INFO] [stderr]     |
[INFO] [stderr] 161 |         if sd_try!(ffi::sd_journal_previous(self.j)) == 0 {
[INFO] [stderr]     |            ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:172:34
[INFO] [stderr]     |
[INFO] [stderr] 172 |             JournalSeek::Head => sd_try!(ffi::sd_journal_seek_head(self.j)),
[INFO] [stderr]     |                                  ------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:173:34
[INFO] [stderr]     |
[INFO] [stderr] 173 |             JournalSeek::Tail => sd_try!(ffi::sd_journal_seek_tail(self.j)),
[INFO] [stderr]     |                                  ------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:174:41
[INFO] [stderr]     |
[INFO] [stderr] 174 |             JournalSeek::Cursor(cur) => sd_try!(ffi::sd_journal_seek_cursor(self.j, ::std::ffi::CString::new(cur)?.as_ptr())),
[INFO] [stderr]     |                                         ------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |           try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |           sd_try!(
[INFO] [stderr]     |  _________-
[INFO] [stderr] 182 | |                 ffi::sd_journal_add_match(
[INFO] [stderr] 183 | |                         self.j,
[INFO] [stderr] 184 | |                         ::std::ffi::CString::new(filter)?.as_ptr() as *mut ::ffi::c_void,
[INFO] [stderr] 185 | |                         0));
[INFO] [stderr]     | |____________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/journal_writer.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     sd_try!(ffi::sd_journal_sendv(fields_iovec.as_ptr(), fields_iovec.len() as c_int));
[INFO] [stderr]    |     ----------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/journal_reader.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         sd_try!(ffi::sd_journal_open(&mut journal.j, flags));
[INFO] [stderr]    |         ----------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/journal_reader.rs:93:15
[INFO] [stderr]    |
[INFO] [stderr] 93 |         while sd_try!(ffi::sd_journal_enumerate_data(self.j, &data, &mut sz)) > 0 {
[INFO] [stderr]    |               --------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:151:12
[INFO] [stderr]     |
[INFO] [stderr] 151 |         if sd_try!(ffi::sd_journal_next(self.j)) == 0 {
[INFO] [stderr]     |            ------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:161:12
[INFO] [stderr]     |
[INFO] [stderr] 161 |         if sd_try!(ffi::sd_journal_previous(self.j)) == 0 {
[INFO] [stderr]     |            ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:172:34
[INFO] [stderr]     |
[INFO] [stderr] 172 |             JournalSeek::Head => sd_try!(ffi::sd_journal_seek_head(self.j)),
[INFO] [stderr]     |                                  ------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:173:34
[INFO] [stderr]     |
[INFO] [stderr] 173 |             JournalSeek::Tail => sd_try!(ffi::sd_journal_seek_tail(self.j)),
[INFO] [stderr]     |                                  ------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:174:41
[INFO] [stderr]     |
[INFO] [stderr] 174 |             JournalSeek::Cursor(cur) => sd_try!(ffi::sd_journal_seek_cursor(self.j, ::std::ffi::CString::new(cur)?.as_ptr())),
[INFO] [stderr]     |                                         ------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:27:9
[INFO] [stderr]     |
[INFO] [stderr] 27  |           try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/journal_reader.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |           sd_try!(
[INFO] [stderr]     |  _________-
[INFO] [stderr] 182 | |                 ffi::sd_journal_add_match(
[INFO] [stderr] 183 | |                         self.j,
[INFO] [stderr] 184 | |                         ::std::ffi::CString::new(filter)?.as_ptr() as *mut ::ffi::c_void,
[INFO] [stderr] 185 | |                         0));
[INFO] [stderr]     | |____________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         try!($crate::ffi_result(unsafe{ $e}))
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/journal_writer.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     sd_try!(ffi::sd_journal_sendv(fields_iovec.as_ptr(), fields_iovec.len() as c_int));
[INFO] [stderr]    |     ----------------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/journald-f341df5eabb54561
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/journal-72e345a858c3e3d0
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_reverse_walk ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_reverse_walk stdout ----
[INFO] [stdout] thread 'test_reverse_walk' panicked at 'called `Option::unwrap()` on a `None` value', tests/journal.rs:35:21
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x565193a165c4 - backtrace::backtrace::libunwind::trace::h61666fa4b9834a45
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x565193a165c4 - backtrace::backtrace::trace_unsynchronized::h01d3725fb5da8653
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x565193a165c4 - std::sys_common::backtrace::_print_fmt::h5c7c4751bc296f90
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x565193a165c4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7729313ad2d729c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x565193a3f46c - core::fmt::write::hb0049f6c12bdaffc
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stdout]    5:     0x5651939a7cb5 - std::io::Write::write_fmt::h5d052af13df32ea6
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/io/mod.rs:1504
[INFO] [stdout]    6:     0x565193a10b11 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h8fe8a9bdc421b4b6
[INFO] [stdout]                                at src/libstd/io/impls.rs:156
[INFO] [stdout]    7:     0x565193a18e95 - std::sys_common::backtrace::_print::ha087cac92e84a414
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x565193a18e95 - std::sys_common::backtrace::print::h6b013d3bfe6cbcb8
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x565193a18e95 - std::panicking::default_hook::{{closure}}::h016d7de02def2736
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x565193a18b7b - std::panicking::default_hook::h9386f7e484840463
[INFO] [stdout]                                at src/libstd/panicking.rs:215
[INFO] [stdout]   11:     0x565193a194f2 - std::panicking::rust_panic_with_hook::h3846eb1b2e5a9312
[INFO] [stdout]                                at src/libstd/panicking.rs:511
[INFO] [stdout]   12:     0x565193a190db - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:419
[INFO] [stdout]   13:     0x565193a3de91 - core::panicking::panic_fmt::hc5953a7331f9805c
[INFO] [stdout]                                at src/libcore/panicking.rs:111
[INFO] [stdout]   14:     0x565193a3dddd - core::panicking::panic::hbfb03ddd2cbb509e
[INFO] [stdout]                                at src/libcore/panicking.rs:54
[INFO] [stdout]   15:     0x5651939a512c - core::option::Option<T>::unwrap::h60242c012d86cb80
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/macros/mod.rs:34
[INFO] [stdout]   16:     0x5651939a4518 - journal::test_reverse_walk::hc3aa014e9b5ee23d
[INFO] [stdout]                                at tests/journal.rs:35
[INFO] [stdout]   17:     0x5651939a400a - journal::test_reverse_walk::{{closure}}::hd52c96ebda1f1337
[INFO] [stdout]                                at tests/journal.rs:9
[INFO] [stdout]   18:     0x5651939a698e - core::ops::function::FnOnce::call_once::h655df63fe9bcf5c7
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232
[INFO] [stdout]   19:     0x5651939b3baf - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h1f6ee40732e80908
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008
[INFO] [stdout]   20:     0x5651939cf1ae - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h85dff111be9c2dc6
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:318
[INFO] [stdout]   21:     0x5651939cf1ae - std::panicking::try::do_call::hee6f5a4bef67c840
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:331
[INFO] [stdout]   22:     0x5651939cf1ae - std::panicking::try::h3384d3b948e84dbc
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:274
[INFO] [stdout]   23:     0x5651939cf1ae - std::panic::catch_unwind::h5ae91218e578066d
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:394
[INFO] [stdout]   24:     0x5651939cf1ae - test::run_test_in_process::he37a49587889b910
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   25:     0x5651939cf1ae - test::run_test::run_test_inner::{{closure}}::h4f0d25136ca480c2
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   26:     0x5651939a7166 - std::sys_common::backtrace::__rust_begin_short_backtrace::h969eceda34247af3
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   27:     0x5651939ac4f5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h912007997cb04e92
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:475
[INFO] [stdout]   28:     0x5651939ac4f5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8795d8b7bd223988
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:318
[INFO] [stdout]   29:     0x5651939ac4f5 - std::panicking::try::do_call::hb29b86f86d4d722e
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:331
[INFO] [stdout]   30:     0x5651939ac4f5 - std::panicking::try::h4bfefb3eddc0d900
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panicking.rs:274
[INFO] [stdout]   31:     0x5651939ac4f5 - std::panic::catch_unwind::h774c24d4b38d5828
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/panic.rs:394
[INFO] [stdout]   32:     0x5651939ac4f5 - std::thread::Builder::spawn_unchecked::{{closure}}::ha50a32fa99413dde
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/thread/mod.rs:474
[INFO] [stdout]   33:     0x5651939ac4f5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9dacb8f28d699f86
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/ops/function.rs:232
[INFO] [stdout]   34:     0x565193a0cc3f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h7deaeeba480c6ce2
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008
[INFO] [stdout]   35:     0x565193a1fd23 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h968b1dfb87756523
[INFO] [stdout]                                at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/liballoc/boxed.rs:1008
[INFO] [stdout]   36:     0x565193a1fd23 - std::sys::unix::thread::Thread::new::thread_start::h2399addeb6370595
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   37:     0x7f36dfe086db - start_thread
[INFO] [stdout]   38:     0x7f36df91988f - __clone
[INFO] [stdout]   39:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_reverse_walk
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--test journal'
[INFO] running `"docker" "inspect" "51d7bbdd706b7460853d6b122ca370c09664f7552bb37abbf59e1de6b822dd26"`
[INFO] running `"docker" "rm" "-f" "51d7bbdd706b7460853d6b122ca370c09664f7552bb37abbf59e1de6b822dd26"`
[INFO] [stdout] 51d7bbdd706b7460853d6b122ca370c09664f7552bb37abbf59e1de6b822dd26