[INFO] fetching crate rectree2svg 2.10.3...
[INFO] testing rectree2svg-2.10.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rectree2svg 2.10.3 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate rectree2svg 2.10.3 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 rectree2svg 2.10.3
[INFO] finished tweaking crates.io crate rectree2svg 2.10.3
[INFO] tweaked toml for crates.io crate rectree2svg 2.10.3 written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] crate crates.io crate rectree2svg 2.10.3 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]     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-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 0a385c549067fae970ac767f6eb61554020d0dad6eae911349a467e38647dc9e
[INFO] running `Command { std: "docker" "start" "-a" "0a385c549067fae970ac767f6eb61554020d0dad6eae911349a467e38647dc9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a385c549067fae970ac767f6eb61554020d0dad6eae911349a467e38647dc9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a385c549067fae970ac767f6eb61554020d0dad6eae911349a467e38647dc9e", kill_on_drop: false }`
[INFO] [stdout] 0a385c549067fae970ac767f6eb61554020d0dad6eae911349a467e38647dc9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] c0f6dc9a147a8cae7b7157ecebe9da2a65c38facae990e9dcb2c75135f432499
[INFO] running `Command { std: "docker" "start" "-a" "c0f6dc9a147a8cae7b7157ecebe9da2a65c38facae990e9dcb2c75135f432499", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling xmlparser v0.13.3
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling svg v0.8.2
[INFO] [stderr]    Compiling getopt v1.1.0
[INFO] [stderr]    Compiling webbrowser v0.5.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling roxmltree v0.14.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling random_color v0.5.1
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling structopt v0.3.22
[INFO] [stderr]    Compiling light_phylogeny v0.21.3
[INFO] [stderr]    Compiling rectree2svg v2.10.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.41s
[INFO] running `Command { std: "docker" "inspect" "c0f6dc9a147a8cae7b7157ecebe9da2a65c38facae990e9dcb2c75135f432499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f6dc9a147a8cae7b7157ecebe9da2a65c38facae990e9dcb2c75135f432499", kill_on_drop: false }`
[INFO] [stdout] c0f6dc9a147a8cae7b7157ecebe9da2a65c38facae990e9dcb2c75135f432499
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] d415fb517e932e77574f70b415ef6d43e27636ed1a39a84502e087a057fd8e3b
[INFO] running `Command { std: "docker" "start" "-a" "d415fb517e932e77574f70b415ef6d43e27636ed1a39a84502e087a057fd8e3b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rectree2svg v2.10.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "d415fb517e932e77574f70b415ef6d43e27636ed1a39a84502e087a057fd8e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d415fb517e932e77574f70b415ef6d43e27636ed1a39a84502e087a057fd8e3b", kill_on_drop: false }`
[INFO] [stdout] d415fb517e932e77574f70b415ef6d43e27636ed1a39a84502e087a057fd8e3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 2088bb2345c3fbb8514f4c8dc105a9c3d41fb8be8bca1a2fc3f5604dbeeb9faf
[INFO] running `Command { std: "docker" "start" "-a" "2088bb2345c3fbb8514f4c8dc105a9c3d41fb8be8bca1a2fc3f5604dbeeb9faf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rectree2svg-865335158a747f68)
[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" "2088bb2345c3fbb8514f4c8dc105a9c3d41fb8be8bca1a2fc3f5604dbeeb9faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2088bb2345c3fbb8514f4c8dc105a9c3d41fb8be8bca1a2fc3f5604dbeeb9faf", kill_on_drop: false }`
[INFO] [stdout] 2088bb2345c3fbb8514f4c8dc105a9c3d41fb8be8bca1a2fc3f5604dbeeb9faf