[INFO] cloning repository https://github.com/LevitatingOrange/circular-family-tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LevitatingOrange/circular-family-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLevitatingOrange%2Fcircular-family-tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLevitatingOrange%2Fcircular-family-tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b371aa50935cd9d0b4f2604683dd3ce856f5e78
[INFO] testing LevitatingOrange/circular-family-tree against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLevitatingOrange%2Fcircular-family-tree" "/workspace/builds/worker-106/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-106/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LevitatingOrange/circular-family-tree on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LevitatingOrange/circular-family-tree
[INFO] finished tweaking git repo https://github.com/LevitatingOrange/circular-family-tree
[INFO] tweaked toml for git repo https://github.com/LevitatingOrange/circular-family-tree written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate git repo https://github.com/LevitatingOrange/circular-family-tree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-vo v0.1.0
[INFO] [stderr]   Downloaded structopt-derive v0.3.0
[INFO] [stderr]   Downloaded rctree v0.3.3
[INFO] [stderr]   Downloaded simplecss v0.2.0
[INFO] [stderr]   Downloaded rgb v0.8.14
[INFO] [stderr]   Downloaded euclid v0.20.1
[INFO] [stderr]   Downloaded xmlparser v0.9.0
[INFO] [stderr]   Downloaded sw-composite v0.5.10
[INFO] [stderr]   Downloaded kurbo v0.2.3
[INFO] [stderr]   Downloaded roxmltree v0.7.0
[INFO] [stderr]   Downloaded usvg v0.8.0
[INFO] [stderr]   Downloaded resvg v0.8.0
[INFO] [stderr]   Downloaded structopt v0.3.0
[INFO] [stderr]   Downloaded unicode-script v0.3.0
[INFO] [stderr]   Downloaded typed-arena v1.5.0
[INFO] [stderr]   Downloaded xmlwriter v0.1.0
[INFO] [stderr]   Downloaded svg v0.5.12
[INFO] [stderr]   Downloaded lyon_geom v0.14.0
[INFO] [stderr]   Downloaded data-url v0.1.0
[INFO] [stderr]   Downloaded core-text v13.3.0
[INFO] [stderr]   Downloaded harfbuzz-sys v0.3.2
[INFO] [stderr]   Downloaded raqote v0.6.3
[INFO] [stderr]   Downloaded harfbuzz_rs v1.0.0
[INFO] [stderr]   Downloaded float-cmp v0.5.2
[INFO] [stderr]   Downloaded ttf-parser v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 541e787d799459bce2102cd0e516920e8bcdfb02e362c6d30dc16c138919eca2
[INFO] running `Command { std: "docker" "start" "-a" "541e787d799459bce2102cd0e516920e8bcdfb02e362c6d30dc16c138919eca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "541e787d799459bce2102cd0e516920e8bcdfb02e362c6d30dc16c138919eca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "541e787d799459bce2102cd0e516920e8bcdfb02e362c6d30dc16c138919eca2", kill_on_drop: false }`
[INFO] [stdout] 541e787d799459bce2102cd0e516920e8bcdfb02e362c6d30dc16c138919eca2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0790d98033703f8a44ba9ff4f2d97855ef3cf20bf96f840e2b6bacb563fd65b0
[INFO] running `Command { std: "docker" "start" "-a" "0790d98033703f8a44ba9ff4f2d97855ef3cf20bf96f840e2b6bacb563fd65b0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling xmlparser v0.9.0
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling float-cmp v0.5.2
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling typed-arena v1.5.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]    Compiling xmlwriter v0.1.0
[INFO] [stderr]    Compiling sw-composite v0.5.10
[INFO] [stderr]    Compiling ttf-parser v0.2.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling rctree v0.3.3
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling unicode-script v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]    Compiling unicode-vo v0.1.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling rgb v0.8.14
[INFO] [stderr]    Compiling svg v0.5.12
[INFO] [stderr]    Compiling data-url v0.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling svgtypes v0.5.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling roxmltree v0.7.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling simplecss v0.2.0
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.16
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling harfbuzz-sys v0.3.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling kurbo v0.2.3
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling png v0.15.0
[INFO] [stderr]    Compiling freetype v0.4.1
[INFO] [stderr]    Compiling euclid v0.20.1
[INFO] [stderr]    Compiling harfbuzz_rs v1.0.0
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling usvg v0.8.0
[INFO] [stderr]    Compiling lyon_geom v0.14.0
[INFO] [stderr]    Compiling raqote v0.6.3
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.87
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling resvg v0.8.0
[INFO] [stderr]    Compiling structopt-derive v0.3.0
[INFO] [stderr]    Compiling structopt v0.3.0
[INFO] [stderr]    Compiling circular-binary-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `resvg::prelude::*`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use resvg::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.83s
[INFO] running `Command { std: "docker" "inspect" "0790d98033703f8a44ba9ff4f2d97855ef3cf20bf96f840e2b6bacb563fd65b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0790d98033703f8a44ba9ff4f2d97855ef3cf20bf96f840e2b6bacb563fd65b0", kill_on_drop: false }`
[INFO] [stdout] 0790d98033703f8a44ba9ff4f2d97855ef3cf20bf96f840e2b6bacb563fd65b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56e841e6c8529dda0163579cc12877bc08287fe676b3c77a4eccdf9386a0f07d
[INFO] running `Command { std: "docker" "start" "-a" "56e841e6c8529dda0163579cc12877bc08287fe676b3c77a4eccdf9386a0f07d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling circular-binary-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `resvg::prelude::*`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use resvg::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.99s
[INFO] running `Command { std: "docker" "inspect" "56e841e6c8529dda0163579cc12877bc08287fe676b3c77a4eccdf9386a0f07d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56e841e6c8529dda0163579cc12877bc08287fe676b3c77a4eccdf9386a0f07d", kill_on_drop: false }`
[INFO] [stdout] 56e841e6c8529dda0163579cc12877bc08287fe676b3c77a4eccdf9386a0f07d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8377c0edc2f74d405b00c60259edb58a0add62de74b79028315c01daf98ad269
[INFO] running `Command { std: "docker" "start" "-a" "8377c0edc2f74d405b00c60259edb58a0add62de74b79028315c01daf98ad269", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `resvg::prelude::*`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use resvg::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `circular-binary-tree` (bin "circular-binary-tree" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.31s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/circular_binary_tree-3e0a3f92bfd134ac)
[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" "8377c0edc2f74d405b00c60259edb58a0add62de74b79028315c01daf98ad269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8377c0edc2f74d405b00c60259edb58a0add62de74b79028315c01daf98ad269", kill_on_drop: false }`
[INFO] [stdout] 8377c0edc2f74d405b00c60259edb58a0add62de74b79028315c01daf98ad269