[INFO] fetching crate panic 0.0.0...
[INFO] testing panic-0.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate panic 0.0.0 into /workspace/builds/worker-109/source
[INFO] validating manifest of crates.io crate panic 0.0.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate panic 0.0.0
[INFO] finished tweaking crates.io crate panic 0.0.0
[INFO] tweaked toml for crates.io crate panic 0.0.0 written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa05c4818f32a7d1b9d3a5d854973d60358527c9699b022adfe19ae033d07723
[INFO] running `Command { std: "docker" "start" "-a" "aa05c4818f32a7d1b9d3a5d854973d60358527c9699b022adfe19ae033d07723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa05c4818f32a7d1b9d3a5d854973d60358527c9699b022adfe19ae033d07723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa05c4818f32a7d1b9d3a5d854973d60358527c9699b022adfe19ae033d07723", kill_on_drop: false }`
[INFO] [stdout] aa05c4818f32a7d1b9d3a5d854973d60358527c9699b022adfe19ae033d07723
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3b344ec8f7ebf6460b148a2089533985e51492dab0e1f97e18adf19afb1917e
[INFO] running `Command { std: "docker" "start" "-a" "a3b344ec8f7ebf6460b148a2089533985e51492dab0e1f97e18adf19afb1917e", kill_on_drop: false }`
[INFO] [stderr]    Compiling panic v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "a3b344ec8f7ebf6460b148a2089533985e51492dab0e1f97e18adf19afb1917e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3b344ec8f7ebf6460b148a2089533985e51492dab0e1f97e18adf19afb1917e", kill_on_drop: false }`
[INFO] [stdout] a3b344ec8f7ebf6460b148a2089533985e51492dab0e1f97e18adf19afb1917e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6e810ab997ec966e2f104a33885948008275fb6e3bafa98b04539d11ac50759
[INFO] running `Command { std: "docker" "start" "-a" "a6e810ab997ec966e2f104a33885948008275fb6e3bafa98b04539d11ac50759", kill_on_drop: false }`
[INFO] [stderr]    Compiling panic v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "a6e810ab997ec966e2f104a33885948008275fb6e3bafa98b04539d11ac50759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6e810ab997ec966e2f104a33885948008275fb6e3bafa98b04539d11ac50759", kill_on_drop: false }`
[INFO] [stdout] a6e810ab997ec966e2f104a33885948008275fb6e3bafa98b04539d11ac50759
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 291d476976f7cd116b0dca4cee9e0abde2c6cfaf6a223aac747cf1c29e5f8aae
[INFO] running `Command { std: "docker" "start" "-a" "291d476976f7cd116b0dca4cee9e0abde2c6cfaf6a223aac747cf1c29e5f8aae", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/panic-802ef6153eaffd61)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests panic
[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 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] running `Command { std: "docker" "inspect" "291d476976f7cd116b0dca4cee9e0abde2c6cfaf6a223aac747cf1c29e5f8aae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "291d476976f7cd116b0dca4cee9e0abde2c6cfaf6a223aac747cf1c29e5f8aae", kill_on_drop: false }`
[INFO] [stdout] 291d476976f7cd116b0dca4cee9e0abde2c6cfaf6a223aac747cf1c29e5f8aae