[INFO] fetching crate ball-tree 0.3.0...
[INFO] testing ball-tree-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ball-tree 0.3.0 into /workspace/builds/worker-103/source
[INFO] validating manifest of crates.io crate ball-tree 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ball-tree 0.3.0
[INFO] finished tweaking crates.io crate ball-tree 0.3.0
[INFO] tweaked toml for crates.io crate ball-tree 0.3.0 written to /workspace/builds/worker-103/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7f0424208b7d1eb712b40db692afdff29118be34b7968a02b260be1f2aa4a6b
[INFO] running `Command { std: "docker" "start" "-a" "b7f0424208b7d1eb712b40db692afdff29118be34b7968a02b260be1f2aa4a6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7f0424208b7d1eb712b40db692afdff29118be34b7968a02b260be1f2aa4a6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7f0424208b7d1eb712b40db692afdff29118be34b7968a02b260be1f2aa4a6b", kill_on_drop: false }`
[INFO] [stdout] b7f0424208b7d1eb712b40db692afdff29118be34b7968a02b260be1f2aa4a6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 904a14f5f81fa76540f12dc31c13ffda44aebbfd6219419b4bdc011bea8a9e32
[INFO] running `Command { std: "docker" "start" "-a" "904a14f5f81fa76540f12dc31c13ffda44aebbfd6219419b4bdc011bea8a9e32", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ball-tree v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "904a14f5f81fa76540f12dc31c13ffda44aebbfd6219419b4bdc011bea8a9e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "904a14f5f81fa76540f12dc31c13ffda44aebbfd6219419b4bdc011bea8a9e32", kill_on_drop: false }`
[INFO] [stdout] 904a14f5f81fa76540f12dc31c13ffda44aebbfd6219419b4bdc011bea8a9e32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fb23c80e25115ed910bdc7cf5d910c9378cd12c5fb8eb96415d58478a6de88d
[INFO] running `Command { std: "docker" "start" "-a" "5fb23c80e25115ed910bdc7cf5d910c9378cd12c5fb8eb96415d58478a6de88d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling ball-tree v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.27s
[INFO] running `Command { std: "docker" "inspect" "5fb23c80e25115ed910bdc7cf5d910c9378cd12c5fb8eb96415d58478a6de88d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fb23c80e25115ed910bdc7cf5d910c9378cd12c5fb8eb96415d58478a6de88d", kill_on_drop: false }`
[INFO] [stdout] 5fb23c80e25115ed910bdc7cf5d910c9378cd12c5fb8eb96415d58478a6de88d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 745b2a018eb75f6824d3861d74f94e8c8795714cf91fbc14877a988f864adb4b
[INFO] running `Command { std: "docker" "start" "-a" "745b2a018eb75f6824d3861d74f94e8c8795714cf91fbc14877a988f864adb4b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ball_tree-68a8c2e9c3efce43)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_point_array_impls ... ok
[INFO] [stderr]    Doc-tests ball-tree
[INFO] [stdout] test tests::test_3d_points ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 11.86s
[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" "745b2a018eb75f6824d3861d74f94e8c8795714cf91fbc14877a988f864adb4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "745b2a018eb75f6824d3861d74f94e8c8795714cf91fbc14877a988f864adb4b", kill_on_drop: false }`
[INFO] [stdout] 745b2a018eb75f6824d3861d74f94e8c8795714cf91fbc14877a988f864adb4b