[INFO] fetching crate backtrace 0.3.15...
[INFO] extracting crate backtrace 0.3.15 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/backtrace/0.3.15
[INFO] extracting crate backtrace 0.3.15 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/backtrace/0.3.15
[INFO] validating manifest of backtrace-0.3.15 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of backtrace-0.3.15 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing backtrace-0.3.15
[INFO] removed 2 missing examples
[INFO] removed 3 missing tests
[INFO] finished frobbing backtrace-0.3.15
[INFO] frobbed toml for backtrace-0.3.15 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/backtrace/0.3.15/Cargo.toml
[INFO] started frobbing backtrace-0.3.15
[INFO] removed 2 missing examples
[INFO] removed 3 missing tests
[INFO] finished frobbing backtrace-0.3.15
[INFO] frobbed toml for backtrace-0.3.15 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/backtrace/0.3.15/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded addr2line v0.7.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing backtrace-0.3.15 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/backtrace/0.3.15:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 23e88f554b8f3027d53944c06dacd9f7586dcee963f39755b3be4ec38bd7ee9e
[INFO] running `"docker" "start" "-a" "23e88f554b8f3027d53944c06dacd9f7586dcee963f39755b3be4ec38bd7ee9e"`
[INFO] [stderr]    Compiling backtrace v0.3.15 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backtrace/libunwind.rs:51:34
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub unsafe fn trace(mut cb: &mut FnMut(&super::Frame) -> bool) {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&super::Frame) -> bool`
[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/backtrace/libunwind.rs:56:51
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let cb = unsafe { &mut *(arg as *mut &mut FnMut(&super::Frame) -> bool) };
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&super::Frame) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/symbolize/libbacktrace.rs:122:32
[INFO] [stderr]     |
[INFO] [stderr] 122 |     let cb = data as *mut &mut FnMut(&super::Symbol);
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&super::Symbol)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/symbolize/libbacktrace.rs:163:58
[INFO] [stderr]     |
[INFO] [stderr] 163 | pub unsafe fn resolve(symaddr: *mut c_void, mut cb: &mut FnMut(&super::Symbol))
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&super::Symbol)`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `"docker" "inspect" "23e88f554b8f3027d53944c06dacd9f7586dcee963f39755b3be4ec38bd7ee9e"`
[INFO] running `"docker" "rm" "-f" "23e88f554b8f3027d53944c06dacd9f7586dcee963f39755b3be4ec38bd7ee9e"`
[INFO] [stdout] 23e88f554b8f3027d53944c06dacd9f7586dcee963f39755b3be4ec38bd7ee9e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/backtrace/0.3.15:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] b4b8a3ff46d1a536f5c5a080f52ec0be79718e2869523cc0266b37b6e29bc45d
[INFO] running `"docker" "start" "-a" "b4b8a3ff46d1a536f5c5a080f52ec0be79718e2869523cc0266b37b6e29bc45d"`
[INFO] [stderr]    Compiling backtrace v0.3.15 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backtrace/libunwind.rs:51:34
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub unsafe fn trace(mut cb: &mut FnMut(&super::Frame) -> bool) {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&super::Frame) -> bool`
[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/backtrace/libunwind.rs:56:51
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let cb = unsafe { &mut *(arg as *mut &mut FnMut(&super::Frame) -> bool) };
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&super::Frame) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/symbolize/libbacktrace.rs:122:32
[INFO] [stderr]     |
[INFO] [stderr] 122 |     let cb = data as *mut &mut FnMut(&super::Symbol);
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&super::Symbol)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/symbolize/libbacktrace.rs:163:58
[INFO] [stderr]     |
[INFO] [stderr] 163 | pub unsafe fn resolve(symaddr: *mut c_void, mut cb: &mut FnMut(&super::Symbol))
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&super::Symbol)`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `"docker" "inspect" "b4b8a3ff46d1a536f5c5a080f52ec0be79718e2869523cc0266b37b6e29bc45d"`
[INFO] running `"docker" "rm" "-f" "b4b8a3ff46d1a536f5c5a080f52ec0be79718e2869523cc0266b37b6e29bc45d"`
[INFO] [stdout] b4b8a3ff46d1a536f5c5a080f52ec0be79718e2869523cc0266b37b6e29bc45d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/backtrace/0.3.15:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] a61e1929eb54c01b48074be8eeab98d19b267b65a0d2196ac4177ad6734dd0c7
[INFO] running `"docker" "start" "-a" "a61e1929eb54c01b48074be8eeab98d19b267b65a0d2196ac4177ad6734dd0c7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/backtrace-65983f23e94690b6
[INFO] [stderr]      Running /opt/crater/target/debug/deps/long_fn_name-7a67e13ff1ef5739
[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 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/skip_inner_frames-20639da822b0110b
[INFO] [stderr]      Running /opt/crater/target/debug/deps/smoke-9e17b6576b21b649
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test backtrace_new_should_start_with_call_site_trace ... ignored
[INFO] [stdout] test backtrace_new_unresolved_should_start_with_call_site_trace ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test smoke_test_frames ... ok
[INFO] [stdout] test many_threads ... ok
[INFO] [stderr]    Doc-tests backtrace
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/symbolize/mod.rs - symbolize::resolve (line 33) ... ok
[INFO] [stdout] test src/backtrace/mod.rs - backtrace::trace (line 32) ... ok
[INFO] [stdout] test src/capture.rs - capture::Backtrace::new_unresolved (line 86) ... ok
[INFO] [stdout] test src/capture.rs - capture::Backtrace::new (line 64) ... ok
[INFO] [stdout] test src/lib.rs -  (line 45) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a61e1929eb54c01b48074be8eeab98d19b267b65a0d2196ac4177ad6734dd0c7"`
[INFO] running `"docker" "rm" "-f" "a61e1929eb54c01b48074be8eeab98d19b267b65a0d2196ac4177ad6734dd0c7"`
[INFO] [stdout] a61e1929eb54c01b48074be8eeab98d19b267b65a0d2196ac4177ad6734dd0c7