[INFO] cloning repository https://github.com/KerrMetric/virtue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KerrMetric/virtue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKerrMetric%2Fvirtue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKerrMetric%2Fvirtue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ace5e07cabfea2cf22f43e6e7c984e77ac9a8443
[INFO] checking KerrMetric/virtue against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKerrMetric%2Fvirtue" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KerrMetric/virtue on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/KerrMetric/virtue
[INFO] finished tweaking git repo https://github.com/KerrMetric/virtue
[INFO] tweaked toml for git repo https://github.com/KerrMetric/virtue written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/KerrMetric/virtue already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/ink`
[INFO] [stderr] warning: skipping duplicate package `erc20` found at `/workspace/cargo-home/git/checkouts/ink-1add513eda8f5a89/e5d0326/examples/lang/erc20`
[INFO] [stderr] warning: skipping duplicate package `erc20` found at `/workspace/cargo-home/git/checkouts/ink-1add513eda8f5a89/e5d0326/examples/model/erc20`
[INFO] [stderr]     Updating git repository `https://github.com/type-metadata/type-metadata.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tiny-keccak v1.5.0
[INFO] [stderr]   Downloaded parity-scale-codec-derive v1.0.3
[INFO] [stderr]   Downloaded byte-slice-cast v0.3.2
[INFO] [stderr]   Downloaded bitvec v0.14.0
[INFO] [stderr]   Downloaded parity-scale-codec v1.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb32b5eccd334f668706e831881d521b8104d7b9626ab80d5a8f59cc90ff8bbc
[INFO] running `Command { std: "docker" "start" "-a" "eb32b5eccd334f668706e831881d521b8104d7b9626ab80d5a8f59cc90ff8bbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb32b5eccd334f668706e831881d521b8104d7b9626ab80d5a8f59cc90ff8bbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb32b5eccd334f668706e831881d521b8104d7b9626ab80d5a8f59cc90ff8bbc", kill_on_drop: false }`
[INFO] [stdout] eb32b5eccd334f668706e831881d521b8104d7b9626ab80d5a8f59cc90ff8bbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5acd4840bb1f17ff890ceb270521b72829a62eadaba87f68855d6bc8c64cf608
[INFO] running `Command { std: "docker" "start" "-a" "5acd4840bb1f17ff890ceb270521b72829a62eadaba87f68855d6bc8c64cf608", kill_on_drop: false }`
[INFO] [stderr] warning: skipping duplicate package `erc20` found at `/opt/rustwide/cargo-home/git/checkouts/ink-1add513eda8f5a89/e5d0326/examples/lang/erc20`
[INFO] [stderr] warning: skipping duplicate package `erc20` found at `/opt/rustwide/cargo-home/git/checkouts/ink-1add513eda8f5a89/e5d0326/examples/model/erc20`
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling memory_units v0.4.0
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling bitvec v0.14.0
[INFO] [stderr]    Compiling byte-slice-cast v0.3.2
[INFO] [stderr]    Compiling ink_alloc v0.1.0 (https://github.com/paritytech/ink#e5d03264)
[INFO] [stderr]    Compiling ink_utils v0.1.0 (https://github.com/paritytech/ink#e5d03264)
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/smallvec-0.6.10/lib.rs:33:40
[INFO] [stdout]    |
[INFO] [stdout] 33 | #![cfg_attr(feature = "union", feature(untagged_unions))]
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `smallvec` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5acd4840bb1f17ff890ceb270521b72829a62eadaba87f68855d6bc8c64cf608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5acd4840bb1f17ff890ceb270521b72829a62eadaba87f68855d6bc8c64cf608", kill_on_drop: false }`
[INFO] [stdout] 5acd4840bb1f17ff890ceb270521b72829a62eadaba87f68855d6bc8c64cf608
