[INFO] fetching crate rootcause-backtrace 0.12.1...
[INFO] testing rootcause-backtrace-0.12.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate rootcause-backtrace 0.12.1 into /workspace/builds/worker-7-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rootcause-backtrace 0.12.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0110f2ffcb9d88385c9449bc950eec48c09a7ef08125455da0b42ca614981b34
[INFO] running `Command { std: "docker" "start" "-a" "0110f2ffcb9d88385c9449bc950eec48c09a7ef08125455da0b42ca614981b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0110f2ffcb9d88385c9449bc950eec48c09a7ef08125455da0b42ca614981b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0110f2ffcb9d88385c9449bc950eec48c09a7ef08125455da0b42ca614981b34", kill_on_drop: false }`
[INFO] [stdout] 0110f2ffcb9d88385c9449bc950eec48c09a7ef08125455da0b42ca614981b34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc29ce22f571b133aef8adb7a95398d247436b4a3c3cf9622b6754b2370b2db2
[INFO] running `Command { std: "docker" "start" "-a" "fc29ce22f571b133aef8adb7a95398d247436b4a3c3cf9622b6754b2370b2db2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling cpp_demangle v0.5.1
[INFO] [stderr]    Compiling triomphe v0.1.15
[INFO] [stderr]    Compiling regex-syntax v0.8.9
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.27
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling rootcause-backtrace v0.12.1 (/opt/rustwide/workdir)
[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 12.65s
[INFO] running `Command { std: "docker" "inspect" "fc29ce22f571b133aef8adb7a95398d247436b4a3c3cf9622b6754b2370b2db2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc29ce22f571b133aef8adb7a95398d247436b4a3c3cf9622b6754b2370b2db2", kill_on_drop: false }`
[INFO] [stdout] fc29ce22f571b133aef8adb7a95398d247436b4a3c3cf9622b6754b2370b2db2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 872b8235b4f5fc3371824ef5b9ef99c4479f3f4d56f466ef516cbd763ba7184b
[INFO] running `Command { std: "docker" "start" "-a" "872b8235b4f5fc3371824ef5b9ef99c4479f3f4d56f466ef516cbd763ba7184b", 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 0.42s
[INFO] running `Command { std: "docker" "inspect" "872b8235b4f5fc3371824ef5b9ef99c4479f3f4d56f466ef516cbd763ba7184b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "872b8235b4f5fc3371824ef5b9ef99c4479f3f4d56f466ef516cbd763ba7184b", kill_on_drop: false }`
[INFO] [stdout] 872b8235b4f5fc3371824ef5b9ef99c4479f3f4d56f466ef516cbd763ba7184b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 447976f93f841594315e49c7ff5b9e125af495b06c91630af26c508ac81d5dfb
[INFO] running `Command { std: "docker" "start" "-a" "447976f93f841594315e49c7ff5b9e125af495b06c91630af26c508ac81d5dfb", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rootcause_backtrace-39a3dc2fe5cdf22c)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests rootcause_backtrace
[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] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/lib.rs - (line 119) ... ok
[INFO] [stdout] test src/lib.rs - BacktraceFilter (line 447) ... 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 - BacktraceFilter (line 439) ... ok
[INFO] [stdout] test src/lib.rs - BacktraceCollector::new_from_env (line 558) ... ok
[INFO] [stdout] test src/lib.rs - BacktraceExt (line 919) ... ok
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] test src/lib.rs - BacktraceExt::attach_backtrace (line 966) ... ok
[INFO] [stdout] test src/lib.rs - BacktraceExt (line 945) ... ok
[INFO] [stdout] test src/lib.rs - Backtrace (line 157) ... ok
[INFO] [stdout] test src/lib.rs - BacktraceExt::attach_backtrace_with_filter (line 982) ... ok
[INFO] [stdout] test src/lib.rs - BacktraceExt (line 930) ... ok
[INFO] [stdout] test src/lib.rs - (line 63) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.78s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 1.70s; merged doctests compilation took 0.90s
[INFO] running `Command { std: "docker" "inspect" "447976f93f841594315e49c7ff5b9e125af495b06c91630af26c508ac81d5dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "447976f93f841594315e49c7ff5b9e125af495b06c91630af26c508ac81d5dfb", kill_on_drop: false }`
[INFO] [stdout] 447976f93f841594315e49c7ff5b9e125af495b06c91630af26c508ac81d5dfb