[INFO] cloning repository https://github.com/klausi/mastodon-twitter-sync
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/klausi/mastodon-twitter-sync" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklausi%2Fmastodon-twitter-sync", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklausi%2Fmastodon-twitter-sync'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76e34936b01a7dce37a85bc1e2ae3c3d65ae9fa0
[INFO] testing klausi/mastodon-twitter-sync against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklausi%2Fmastodon-twitter-sync" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/klausi/mastodon-twitter-sync on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/klausi/mastodon-twitter-sync
[INFO] finished tweaking git repo https://github.com/klausi/mastodon-twitter-sync
[INFO] tweaked toml for git repo https://github.com/klausi/mastodon-twitter-sync written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/klausi/mastodon-twitter-sync already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 14c40e98a34108f8f4b031ec32444c72cdd799e223a7fb74615f27ae19be4218
[INFO] running `Command { std: "docker" "start" "-a" "14c40e98a34108f8f4b031ec32444c72cdd799e223a7fb74615f27ae19be4218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14c40e98a34108f8f4b031ec32444c72cdd799e223a7fb74615f27ae19be4218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14c40e98a34108f8f4b031ec32444c72cdd799e223a7fb74615f27ae19be4218", kill_on_drop: false }`
[INFO] [stdout] 14c40e98a34108f8f4b031ec32444c72cdd799e223a7fb74615f27ae19be4218
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f829dc9194d29cf489875ad674b69234d2ae5e72aa9decfb15564a82a94ee7d
[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" "4f829dc9194d29cf489875ad674b69234d2ae5e72aa9decfb15564a82a94ee7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]    Compiling data-encoding v2.3.1
[INFO] [stderr]    Compiling tap-reader v1.0.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling pin-project-internal v1.0.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling hyper-old-types v0.11.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling hmac v0.8.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling isolang v1.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling cargo_metadata v0.10.0
[INFO] [stderr] error: could not compile `derive_more`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name derive_more --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/derive_more-0.99.11/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="add"' --cfg 'feature="add_assign"' --cfg 'feature="as_mut"' --cfg 'feature="as_ref"' --cfg 'feature="constructor"' --cfg 'feature="default"' --cfg 'feature="deref"' --cfg 'feature="deref_mut"' --cfg 'feature="display"' --cfg 'feature="error"' --cfg 'feature="from"' --cfg 'feature="from_str"' --cfg 'feature="index"' --cfg 'feature="index_mut"' --cfg 'feature="into"' --cfg 'feature="into_iterator"' --cfg 'feature="iterator"' --cfg 'feature="mul"' --cfg 'feature="mul_assign"' --cfg 'feature="not"' --cfg 'feature="sum"' --cfg 'feature="try_into"' -C metadata=ea127e01548e6b1c -C extra-filename=-ea127e01548e6b1c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b8449736663a1660.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-4ff43fa145cc0264.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-26b40f8e4604ca28.rlib --extern proc_macro --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4f829dc9194d29cf489875ad674b69234d2ae5e72aa9decfb15564a82a94ee7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f829dc9194d29cf489875ad674b69234d2ae5e72aa9decfb15564a82a94ee7d", kill_on_drop: false }`
[INFO] [stdout] 4f829dc9194d29cf489875ad674b69234d2ae5e72aa9decfb15564a82a94ee7d