[INFO] fetching crate centerline 0.6.1...
[INFO] testing centerline-0.6.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate centerline 0.6.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate centerline 0.6.1 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 centerline 0.6.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate centerline 0.6.1
[INFO] tweaked toml for crates.io crate centerline 0.6.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate centerline 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cpp_map v0.1.1
[INFO] [stderr]   Downloaded yabf v0.2.0
[INFO] [stderr]   Downloaded fltk v1.1.16
[INFO] [stderr]   Downloaded fltk-derive v1.1.16
[INFO] [stderr]   Downloaded linestring v0.7.0
[INFO] [stderr]   Downloaded obj-rs v0.6.3
[INFO] [stderr]   Downloaded fltk-sys v1.1.16
[INFO] [stderr]   Downloaded boostvoronoi v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 182a77e2b531d1074f30c4bce94a61987ae548b789b5f1d6ee878091dd51dbb5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "182a77e2b531d1074f30c4bce94a61987ae548b789b5f1d6ee878091dd51dbb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "182a77e2b531d1074f30c4bce94a61987ae548b789b5f1d6ee878091dd51dbb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "182a77e2b531d1074f30c4bce94a61987ae548b789b5f1d6ee878091dd51dbb5", kill_on_drop: false }`
[INFO] [stdout] 182a77e2b531d1074f30c4bce94a61987ae548b789b5f1d6ee878091dd51dbb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 453e80a58adbba87d1952e5a4df4a3bdf86227fb14418505ae9926bea7eb20b8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "453e80a58adbba87d1952e5a4df4a3bdf86227fb14418505ae9926bea7eb20b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling cgmath v0.18.0
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling linestring v0.7.0
[INFO] [stderr]    Compiling boostvoronoi v0.9.2
[INFO] [stderr]    Compiling centerline v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling yabf v0.2.0
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling approx v0.5.0
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling ordered-float v2.8.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling cpp_map v0.1.1
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.08s
[INFO] running `Command { std: "docker" "inspect" "453e80a58adbba87d1952e5a4df4a3bdf86227fb14418505ae9926bea7eb20b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "453e80a58adbba87d1952e5a4df4a3bdf86227fb14418505ae9926bea7eb20b8", kill_on_drop: false }`
[INFO] [stdout] 453e80a58adbba87d1952e5a4df4a3bdf86227fb14418505ae9926bea7eb20b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] ac45a2e4f1a09dbe53f7e7b0d808eb1057a2e2aa26563e40308c0c2945c24de2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ac45a2e4f1a09dbe53f7e7b0d808eb1057a2e2aa26563e40308c0c2945c24de2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling fltk-derive v1.1.16
[INFO] [stderr]    Compiling fltk-sys v1.1.16
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling fltk v1.1.16
[INFO] [stderr]    Compiling centerline v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2m 22s
[INFO] running `Command { std: "docker" "inspect" "ac45a2e4f1a09dbe53f7e7b0d808eb1057a2e2aa26563e40308c0c2945c24de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac45a2e4f1a09dbe53f7e7b0d808eb1057a2e2aa26563e40308c0c2945c24de2", kill_on_drop: false }`
[INFO] [stdout] ac45a2e4f1a09dbe53f7e7b0d808eb1057a2e2aa26563e40308c0c2945c24de2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 084f0d65310cb0a5831e4ef2a6e91244457fefc3c9120e0a64a1fbe551b15ea0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "084f0d65310cb0a5831e4ef2a6e91244457fefc3c9120e0a64a1fbe551b15ea0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/centerline-d519593502cbad6d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests centerline
[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] [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" "084f0d65310cb0a5831e4ef2a6e91244457fefc3c9120e0a64a1fbe551b15ea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "084f0d65310cb0a5831e4ef2a6e91244457fefc3c9120e0a64a1fbe551b15ea0", kill_on_drop: false }`
[INFO] [stdout] 084f0d65310cb0a5831e4ef2a6e91244457fefc3c9120e0a64a1fbe551b15ea0