[INFO] fetching crate visualizer 0.1.1...
[INFO] testing visualizer-0.1.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate visualizer 0.1.1 into /workspace/builds/worker-62/source
[INFO] validating manifest of crates.io crate visualizer 0.1.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate visualizer 0.1.1
[INFO] finished tweaking crates.io crate visualizer 0.1.1
[INFO] tweaked toml for crates.io crate visualizer 0.1.1 written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab19e0c05ee8551c3abd8ece50089498b2d4ffc06278634f54b071771e0ecdf3
[INFO] running `Command { std: "docker" "start" "-a" "ab19e0c05ee8551c3abd8ece50089498b2d4ffc06278634f54b071771e0ecdf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab19e0c05ee8551c3abd8ece50089498b2d4ffc06278634f54b071771e0ecdf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab19e0c05ee8551c3abd8ece50089498b2d4ffc06278634f54b071771e0ecdf3", kill_on_drop: false }`
[INFO] [stdout] ab19e0c05ee8551c3abd8ece50089498b2d4ffc06278634f54b071771e0ecdf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7edcd4eb11211df50235766128bdc76fff8bbd1bf5b3923d3c3d212746567a3f
[INFO] running `Command { std: "docker" "start" "-a" "7edcd4eb11211df50235766128bdc76fff8bbd1bf5b3923d3c3d212746567a3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling visualizer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.59s
[INFO] running `Command { std: "docker" "inspect" "7edcd4eb11211df50235766128bdc76fff8bbd1bf5b3923d3c3d212746567a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7edcd4eb11211df50235766128bdc76fff8bbd1bf5b3923d3c3d212746567a3f", kill_on_drop: false }`
[INFO] [stdout] 7edcd4eb11211df50235766128bdc76fff8bbd1bf5b3923d3c3d212746567a3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 109fedcb28a36231fab80425d7c9855e7fa4121332e10b0c6b122e5adde7c2db
[INFO] running `Command { std: "docker" "start" "-a" "109fedcb28a36231fab80425d7c9855e7fa4121332e10b0c6b122e5adde7c2db", kill_on_drop: false }`
[INFO] [stderr]    Compiling visualizer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "109fedcb28a36231fab80425d7c9855e7fa4121332e10b0c6b122e5adde7c2db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "109fedcb28a36231fab80425d7c9855e7fa4121332e10b0c6b122e5adde7c2db", kill_on_drop: false }`
[INFO] [stdout] 109fedcb28a36231fab80425d7c9855e7fa4121332e10b0c6b122e5adde7c2db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fffad6ec2ab83eef64dab517ccb79a3d26bdf16e0bfdc61f00219305239734bd
[INFO] running `Command { std: "docker" "start" "-a" "fffad6ec2ab83eef64dab517ccb79a3d26bdf16e0bfdc61f00219305239734bd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/visualizer-b641ccc086f2ee45)
[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 visualizer
[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" "fffad6ec2ab83eef64dab517ccb79a3d26bdf16e0bfdc61f00219305239734bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fffad6ec2ab83eef64dab517ccb79a3d26bdf16e0bfdc61f00219305239734bd", kill_on_drop: false }`
[INFO] [stdout] fffad6ec2ab83eef64dab517ccb79a3d26bdf16e0bfdc61f00219305239734bd