[INFO] fetching crate backtracer_core 0.0.3...
[INFO] testing backtracer_core-0.0.3 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate backtracer_core 0.0.3 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate backtracer_core 0.0.3 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate backtracer_core 0.0.3
[INFO] finished tweaking crates.io crate backtracer_core 0.0.3
[INFO] tweaked toml for crates.io crate backtracer_core 0.0.3 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13a34bad68269970e39ccc0dc2fdaaa9fadcd7f4ac0d4357a12be9213f6ece8d
[INFO] running `Command { std: "docker" "start" "-a" "13a34bad68269970e39ccc0dc2fdaaa9fadcd7f4ac0d4357a12be9213f6ece8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13a34bad68269970e39ccc0dc2fdaaa9fadcd7f4ac0d4357a12be9213f6ece8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13a34bad68269970e39ccc0dc2fdaaa9fadcd7f4ac0d4357a12be9213f6ece8d", kill_on_drop: false }`
[INFO] [stdout] 13a34bad68269970e39ccc0dc2fdaaa9fadcd7f4ac0d4357a12be9213f6ece8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a57275d68825ed65415747b47ce2f7110ec637dd18938f40f4289845faaea81c
[INFO] running `Command { std: "docker" "start" "-a" "a57275d68825ed65415747b47ce2f7110ec637dd18938f40f4289845faaea81c", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling x86 v0.37.0
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling raw-cpuid v9.1.1
[INFO] [stderr]    Compiling addr2line v0.15.2
[INFO] [stderr]    Compiling backtracer_core v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.94s
[INFO] running `Command { std: "docker" "inspect" "a57275d68825ed65415747b47ce2f7110ec637dd18938f40f4289845faaea81c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a57275d68825ed65415747b47ce2f7110ec637dd18938f40f4289845faaea81c", kill_on_drop: false }`
[INFO] [stdout] a57275d68825ed65415747b47ce2f7110ec637dd18938f40f4289845faaea81c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b374340551cee9f2fe876405643d9ce595e8ee754e5962d28dbcb10d7df402d
[INFO] running `Command { std: "docker" "start" "-a" "6b374340551cee9f2fe876405643d9ce595e8ee754e5962d28dbcb10d7df402d", kill_on_drop: false }`
[INFO] [stderr]    Compiling backtracer_core v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "6b374340551cee9f2fe876405643d9ce595e8ee754e5962d28dbcb10d7df402d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b374340551cee9f2fe876405643d9ce595e8ee754e5962d28dbcb10d7df402d", kill_on_drop: false }`
[INFO] [stdout] 6b374340551cee9f2fe876405643d9ce595e8ee754e5962d28dbcb10d7df402d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 933a9c6a9a6a186e99f3877bab7464867671c7a679aa4f16d8b463f614495b85
[INFO] running `Command { std: "docker" "start" "-a" "933a9c6a9a6a186e99f3877bab7464867671c7a679aa4f16d8b463f614495b85", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/backtracer_core-49b9f9d1106472f5)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests backtracer_core
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/backtrace/mod.rs - backtrace::trace (line 26) ... FAILED
[INFO] [stdout] test src/symbolize/mod.rs - symbolize::resolve (line 27) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/backtrace/mod.rs - backtrace::trace (line 26) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `backtracer`
[INFO] [stdout]  --> src/backtrace/mod.rs:27:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate backtracer;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/symbolize/mod.rs - symbolize::resolve (line 27) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `backtrace`
[INFO] [stdout]  --> src/symbolize/mod.rs:28:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate backtrace;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/backtrace/mod.rs - backtrace::trace (line 26)
[INFO] [stdout]     src/symbolize/mod.rs - symbolize::resolve (line 27)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "933a9c6a9a6a186e99f3877bab7464867671c7a679aa4f16d8b463f614495b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "933a9c6a9a6a186e99f3877bab7464867671c7a679aa4f16d8b463f614495b85", kill_on_drop: false }`
[INFO] [stdout] 933a9c6a9a6a186e99f3877bab7464867671c7a679aa4f16d8b463f614495b85