[INFO] crate backtrace 0.3.15 is already in cache
[INFO] extracting crate backtrace 0.3.15 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/backtrace/0.3.15
[INFO] extracting crate backtrace 0.3.15 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/backtrace/0.3.15
[INFO] validating manifest of backtrace-0.3.15 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of backtrace-0.3.15 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-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-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/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-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/backtrace/0.3.15/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking backtrace-0.3.15 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-6/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 167d2bd5b4d3771956437e20e858e113719d5582710ca02529519ac06ce522b6
[INFO] running `"docker" "start" "-a" "167d2bd5b4d3771956437e20e858e113719d5582710ca02529519ac06ce522b6"`
[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] 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 4.37s
[INFO] running `"docker" "inspect" "167d2bd5b4d3771956437e20e858e113719d5582710ca02529519ac06ce522b6"`
[INFO] running `"docker" "rm" "-f" "167d2bd5b4d3771956437e20e858e113719d5582710ca02529519ac06ce522b6"`
[INFO] [stdout] 167d2bd5b4d3771956437e20e858e113719d5582710ca02529519ac06ce522b6