[INFO] updating cached repository https://github.com/LevitatingOrange/circular-family-tree
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3b371aa50935cd9d0b4f2604683dd3ce856f5e78
[INFO] testing LevitatingOrange/circular-family-tree against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLevitatingOrange%2Fcircular-family-tree" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LevitatingOrange/circular-family-tree on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-7/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 `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4ab613841924cb70a42a392329ca0f2b09610a31633cc43ef65065c34dece0c1
[INFO] running `"docker" "start" "-a" "4ab613841924cb70a42a392329ca0f2b09610a31633cc43ef65065c34dece0c1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 bitflags v1.1.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling xmlparser v0.9.0
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling float-cmp v0.5.2
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]    Compiling typed-arena v1.5.0
[INFO] [stderr]    Compiling rctree v0.3.3
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling sw-composite v0.5.10
[INFO] [stderr]    Compiling unicode-script v0.3.0
[INFO] [stderr]    Compiling unicode-vo v0.1.0
[INFO] [stderr]    Compiling xmlwriter v0.1.0
[INFO] [stderr]    Compiling ttf-parser v0.2.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling rgb v0.8.14
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling svg v0.5.12
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling data-url v0.1.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling svgtypes v0.5.0
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling roxmltree v0.7.0
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling simplecss v0.2.0
[INFO] [stderr]    Compiling kurbo v0.2.3
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling quote v0.6.11
[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 atty v0.2.13
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling harfbuzz-sys v0.3.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling euclid v0.20.1
[INFO] [stderr]    Compiling png v0.15.0
[INFO] [stderr]    Compiling freetype v0.4.1
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling harfbuzz_rs v1.0.0
[INFO] [stderr]    Compiling lyon_geom v0.14.0
[INFO] [stderr]    Compiling usvg v0.8.0
[INFO] [stderr]    Compiling raqote v0.6.3
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling serde_derive v1.0.87
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[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] [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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 07s
[INFO] running `"docker" "inspect" "4ab613841924cb70a42a392329ca0f2b09610a31633cc43ef65065c34dece0c1"`
[INFO] running `"docker" "rm" "-f" "4ab613841924cb70a42a392329ca0f2b09610a31633cc43ef65065c34dece0c1"`
[INFO] [stdout] 4ab613841924cb70a42a392329ca0f2b09610a31633cc43ef65065c34dece0c1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7d7e567d5ccefdbf3b0d73e650ba2a9f4de1c618fee6e6f6aed85f573198af85
[INFO] running `"docker" "start" "-a" "7d7e567d5ccefdbf3b0d73e650ba2a9f4de1c618fee6e6f6aed85f573198af85"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling circular-binary-tree v0.1.0 (/opt/rustwide/workdir)
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `"docker" "inspect" "7d7e567d5ccefdbf3b0d73e650ba2a9f4de1c618fee6e6f6aed85f573198af85"`
[INFO] running `"docker" "rm" "-f" "7d7e567d5ccefdbf3b0d73e650ba2a9f4de1c618fee6e6f6aed85f573198af85"`
[INFO] [stdout] 7d7e567d5ccefdbf3b0d73e650ba2a9f4de1c618fee6e6f6aed85f573198af85
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dc43721661b94289046372c6c82271e7d555c20dfe31beaacd59eac7e51bef6a
[INFO] running `"docker" "start" "-a" "dc43721661b94289046372c6c82271e7d555c20dfe31beaacd59eac7e51bef6a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/circular_binary_tree-033a57b46f39d72f
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "dc43721661b94289046372c6c82271e7d555c20dfe31beaacd59eac7e51bef6a"`
[INFO] running `"docker" "rm" "-f" "dc43721661b94289046372c6c82271e7d555c20dfe31beaacd59eac7e51bef6a"`
[INFO] [stdout] dc43721661b94289046372c6c82271e7d555c20dfe31beaacd59eac7e51bef6a