[INFO] fetching crate tree-graphviz 0.2.0...
[INFO] testing tree-graphviz-0.2.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate tree-graphviz 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate tree-graphviz 0.2.0
[INFO] finished tweaking crates.io crate tree-graphviz 0.2.0
[INFO] tweaked toml for crates.io crate tree-graphviz 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tree-graphviz 0.2.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c79c0daacdd7c229a79734a49f156ef14a201addf2de5f6da28e6dfd9bd0fcf5
[INFO] running `Command { std: "docker" "start" "-a" "c79c0daacdd7c229a79734a49f156ef14a201addf2de5f6da28e6dfd9bd0fcf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c79c0daacdd7c229a79734a49f156ef14a201addf2de5f6da28e6dfd9bd0fcf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c79c0daacdd7c229a79734a49f156ef14a201addf2de5f6da28e6dfd9bd0fcf5", kill_on_drop: false }`
[INFO] [stdout] c79c0daacdd7c229a79734a49f156ef14a201addf2de5f6da28e6dfd9bd0fcf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ca623551941ef5c4f0acf0179be317039ffb7167df64ce80ddab07a025a4357
[INFO] running `Command { std: "docker" "start" "-a" "8ca623551941ef5c4f0acf0179be317039ffb7167df64ce80ddab07a025a4357", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree-graphviz v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "8ca623551941ef5c4f0acf0179be317039ffb7167df64ce80ddab07a025a4357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ca623551941ef5c4f0acf0179be317039ffb7167df64ce80ddab07a025a4357", kill_on_drop: false }`
[INFO] [stdout] 8ca623551941ef5c4f0acf0179be317039ffb7167df64ce80ddab07a025a4357
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bd834ad8186ee6418aa0b34cc607dec8a7e9f80fafc39fccf6a2c6f5bdf9217
[INFO] running `Command { std: "docker" "start" "-a" "9bd834ad8186ee6418aa0b34cc607dec8a7e9f80fafc39fccf6a2c6f5bdf9217", kill_on_drop: false }`
[INFO] [stderr]    Compiling tree-graphviz v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "9bd834ad8186ee6418aa0b34cc607dec8a7e9f80fafc39fccf6a2c6f5bdf9217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bd834ad8186ee6418aa0b34cc607dec8a7e9f80fafc39fccf6a2c6f5bdf9217", kill_on_drop: false }`
[INFO] [stdout] 9bd834ad8186ee6418aa0b34cc607dec8a7e9f80fafc39fccf6a2c6f5bdf9217
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7ed3053e2da0660f3e007ef27d3c10c0f5a2af7ba6c69dac02acc1f0a2947486
[INFO] running `Command { std: "docker" "start" "-a" "7ed3053e2da0660f3e007ef27d3c10c0f5a2af7ba6c69dac02acc1f0a2947486", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tree_graphviz-6bad3049bb558bf3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::sync_correctness ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tree_graphviz
[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" "7ed3053e2da0660f3e007ef27d3c10c0f5a2af7ba6c69dac02acc1f0a2947486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ed3053e2da0660f3e007ef27d3c10c0f5a2af7ba6c69dac02acc1f0a2947486", kill_on_drop: false }`
[INFO] [stdout] 7ed3053e2da0660f3e007ef27d3c10c0f5a2af7ba6c69dac02acc1f0a2947486