[INFO] fetching crate ribboned 0.1.0...
[INFO] testing ribboned-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate ribboned 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate ribboned 0.1.0 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 crates.io crate ribboned 0.1.0
[INFO] finished tweaking crates.io crate ribboned 0.1.0
[INFO] tweaked toml for crates.io crate ribboned 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate ribboned 0.1.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded svgfilters v0.3.0
[INFO] [stderr]   Downloaded rgb v0.8.27
[INFO] [stderr]   Downloaded data-url v0.1.0
[INFO] [stderr]   Downloaded unicode-general-category v0.2.0
[INFO] [stderr]   Downloaded svgtypes v0.5.0
[INFO] [stderr]   Downloaded usvg v0.15.0
[INFO] [stderr]   Downloaded svg2appicon v0.1.2
[INFO] [stderr]   Downloaded unicode-script v0.5.3
[INFO] [stderr]   Downloaded ttf-parser v0.9.0
[INFO] [stderr]   Downloaded fontdb v0.5.4
[INFO] [stderr]   Downloaded tiny-skia v0.5.1
[INFO] [stderr]   Downloaded kurbo v0.8.0
[INFO] [stderr]   Downloaded rustybuzz v0.3.0
[INFO] [stderr]   Downloaded resvg v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4529bd4db9139b48c11c309c63bb489729664a95ea11c04fb34d09c58b70b708
[INFO] running `Command { std: "docker" "start" "-a" "4529bd4db9139b48c11c309c63bb489729664a95ea11c04fb34d09c58b70b708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4529bd4db9139b48c11c309c63bb489729664a95ea11c04fb34d09c58b70b708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4529bd4db9139b48c11c309c63bb489729664a95ea11c04fb34d09c58b70b708", kill_on_drop: false }`
[INFO] [stdout] 4529bd4db9139b48c11c309c63bb489729664a95ea11c04fb34d09c58b70b708
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fccb60e30dc583df7db34a9856ec604ce3207bc0a1fea654dace8a69825a9d4
[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" "4fccb60e30dc583df7db34a9856ec604ce3207bc0a1fea654dace8a69825a9d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling unicode-general-category v0.2.0
[INFO] [stderr]    Compiling float-cmp v0.5.3
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling unicode-script v0.5.3
[INFO] [stderr]    Compiling ttf-parser v0.9.0
[INFO] [stderr]    Compiling unicode-ccc v0.1.2
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling unicode-bidi-mirroring v0.1.0
[INFO] [stderr]    Compiling ttf-parser v0.12.3
[INFO] [stderr]    Compiling xmlwriter v0.1.0
[INFO] [stderr]    Compiling rctree v0.3.3
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling unicode-vo v0.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling data-url v0.1.0
[INFO] [stderr]    Compiling roxmltree v0.14.1
[INFO] [stderr]    Compiling svgtypes v0.5.0
[INFO] [stderr]    Compiling memmap2 v0.2.3
[INFO] [stderr]    Compiling simplecss v0.2.1
[INFO] [stderr]    Compiling rgb v0.8.27
[INFO] [stderr]    Compiling safe_arch v0.5.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling kurbo v0.8.0
[INFO] [stderr]    Compiling svgfilters v0.3.0
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling fontdb v0.5.4
[INFO] [stderr]    Compiling tiny-skia v0.5.1
[INFO] [stderr]    Compiling rustybuzz v0.3.0
[INFO] [stderr]    Compiling usvg v0.15.0
[INFO] [stderr]    Compiling resvg v0.15.0
[INFO] [stderr]    Compiling svg2appicon v0.1.2
[INFO] [stderr]    Compiling ribboned v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "4fccb60e30dc583df7db34a9856ec604ce3207bc0a1fea654dace8a69825a9d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fccb60e30dc583df7db34a9856ec604ce3207bc0a1fea654dace8a69825a9d4", kill_on_drop: false }`
[INFO] [stdout] 4fccb60e30dc583df7db34a9856ec604ce3207bc0a1fea654dace8a69825a9d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c504ee0dd2f46e3433b4bcdda53499e6fd5c1c8b5393b3c34a60789b7ffe3197
[INFO] running `Command { std: "docker" "start" "-a" "c504ee0dd2f46e3433b4bcdda53499e6fd5c1c8b5393b3c34a60789b7ffe3197", kill_on_drop: false }`
[INFO] [stderr]    Compiling ribboned v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "c504ee0dd2f46e3433b4bcdda53499e6fd5c1c8b5393b3c34a60789b7ffe3197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c504ee0dd2f46e3433b4bcdda53499e6fd5c1c8b5393b3c34a60789b7ffe3197", kill_on_drop: false }`
[INFO] [stdout] c504ee0dd2f46e3433b4bcdda53499e6fd5c1c8b5393b3c34a60789b7ffe3197
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e13a73cb7102fc0ae78f33722f88a17e2c1708dc34fee13865d4ffe89fc47b0b
[INFO] running `Command { std: "docker" "start" "-a" "e13a73cb7102fc0ae78f33722f88a17e2c1708dc34fee13865d4ffe89fc47b0b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ribboned-1cd5aaa91cb44ce0)
[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" "e13a73cb7102fc0ae78f33722f88a17e2c1708dc34fee13865d4ffe89fc47b0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e13a73cb7102fc0ae78f33722f88a17e2c1708dc34fee13865d4ffe89fc47b0b", kill_on_drop: false }`
[INFO] [stdout] e13a73cb7102fc0ae78f33722f88a17e2c1708dc34fee13865d4ffe89fc47b0b