[INFO] fetching crate rootcause-backtrace 0.12.1...
[INFO] testing rootcause-backtrace-0.12.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate rootcause-backtrace 0.12.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rootcause-backtrace 0.12.1
[INFO] finished tweaking crates.io crate rootcause-backtrace 0.12.1
[INFO] tweaked toml for crates.io crate rootcause-backtrace 0.12.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rootcause-backtrace 0.12.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rootcause-backtrace 0.12.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rootcause-internals v0.12.1
[INFO] [stderr]   Downloaded cpp_demangle v0.5.1
[INFO] [stderr]   Downloaded rootcause v0.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d48a5e2edeaeae078c41fc5863585e101f3a3655b69031dad944617c0254f12
[INFO] running `Command { std: "docker" "start" "-a" "8d48a5e2edeaeae078c41fc5863585e101f3a3655b69031dad944617c0254f12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d48a5e2edeaeae078c41fc5863585e101f3a3655b69031dad944617c0254f12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d48a5e2edeaeae078c41fc5863585e101f3a3655b69031dad944617c0254f12", kill_on_drop: false }`
[INFO] [stdout] 8d48a5e2edeaeae078c41fc5863585e101f3a3655b69031dad944617c0254f12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efae953c8b614d5cf75b7dd41d95929dfd54c04596bccbbdf0863cb1f9c6bf74
[INFO] running `Command { std: "docker" "start" "-a" "efae953c8b614d5cf75b7dd41d95929dfd54c04596bccbbdf0863cb1f9c6bf74", kill_on_drop: false }`
[INFO] [stderr]    Compiling cpp_demangle v0.5.1
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling triomphe v0.1.15
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling regex-syntax v0.8.9
[INFO] [stderr]    Compiling rootcause-backtrace v0.12.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rustc-demangle v0.1.27
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling rootcause-internals v0.12.1
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling rootcause v0.12.1
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.33s
[INFO] running `Command { std: "docker" "inspect" "efae953c8b614d5cf75b7dd41d95929dfd54c04596bccbbdf0863cb1f9c6bf74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efae953c8b614d5cf75b7dd41d95929dfd54c04596bccbbdf0863cb1f9c6bf74", kill_on_drop: false }`
[INFO] [stdout] efae953c8b614d5cf75b7dd41d95929dfd54c04596bccbbdf0863cb1f9c6bf74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9fa97f8c71b1717ec1aaf3e3216e978ebf2e7511c8cde060fa4d2d5368d8881
[INFO] running `Command { std: "docker" "start" "-a" "d9fa97f8c71b1717ec1aaf3e3216e978ebf2e7511c8cde060fa4d2d5368d8881", kill_on_drop: false }`
[INFO] [stderr]    Compiling rootcause-backtrace v0.12.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "d9fa97f8c71b1717ec1aaf3e3216e978ebf2e7511c8cde060fa4d2d5368d8881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9fa97f8c71b1717ec1aaf3e3216e978ebf2e7511c8cde060fa4d2d5368d8881", kill_on_drop: false }`
[INFO] [stdout] d9fa97f8c71b1717ec1aaf3e3216e978ebf2e7511c8cde060fa4d2d5368d8881
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f21c465a56ca09fd9c572bab6264447e23741338f4903ba32fba3627e638c6f4
[INFO] running `Command { std: "docker" "start" "-a" "f21c465a56ca09fd9c572bab6264447e23741338f4903ba32fba3627e638c6f4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rootcause_backtrace-39a3dc2fe5cdf22c)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rootcause_backtrace
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/lib.rs - BacktraceFilter (line 447) ... ok
[INFO] [stdout] test src/lib.rs - BacktraceFilter (line 439) ... ok
[INFO] [stdout] test src/lib.rs - (line 119) ... ok
[INFO] [stdout] test src/lib.rs - BacktraceCollector (line 400) ... ok
[INFO] [stdout] test src/lib.rs - BacktraceCollector (line 388) ... ok
[INFO] [stdout] test src/lib.rs - BacktraceCollector::new_from_env (line 558) ... ok
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] test src/lib.rs - BacktraceExt (line 945) ... ok
[INFO] [stdout] test src/lib.rs - BacktraceExt (line 919) ... ok
[INFO] [stdout] test src/lib.rs - Backtrace (line 157) ... ok
[INFO] [stdout] test src/lib.rs - BacktraceExt::attach_backtrace (line 966) ... ok
[INFO] [stdout] test src/lib.rs - (line 63) ... ok
[INFO] [stdout] test src/lib.rs - BacktraceExt (line 930) ... ok
[INFO] [stdout] test src/lib.rs - BacktraceExt::attach_backtrace_with_filter (line 982) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.60s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 1.51s; merged doctests compilation took 0.89s
[INFO] running `Command { std: "docker" "inspect" "f21c465a56ca09fd9c572bab6264447e23741338f4903ba32fba3627e638c6f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f21c465a56ca09fd9c572bab6264447e23741338f4903ba32fba3627e638c6f4", kill_on_drop: false }`
[INFO] [stdout] f21c465a56ca09fd9c572bab6264447e23741338f4903ba32fba3627e638c6f4