[INFO] fetching crate matrix-send 0.1.0...
[INFO] testing matrix-send-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate matrix-send 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate matrix-send 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate matrix-send 0.1.0
[INFO] finished tweaking crates.io crate matrix-send 0.1.0
[INFO] tweaked toml for crates.io crate matrix-send 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate matrix-send 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab637087037b5cff0afe23ff8c3dbd16d01b05a131dc876181bde022cce90c1b
[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" "ab637087037b5cff0afe23ff8c3dbd16d01b05a131dc876181bde022cce90c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab637087037b5cff0afe23ff8c3dbd16d01b05a131dc876181bde022cce90c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab637087037b5cff0afe23ff8c3dbd16d01b05a131dc876181bde022cce90c1b", kill_on_drop: false }`
[INFO] [stdout] ab637087037b5cff0afe23ff8c3dbd16d01b05a131dc876181bde022cce90c1b
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d41a5f3326a5d726984b92251bb387352a1036ba2dad236466f5897d6005560
[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" "1d41a5f3326a5d726984b92251bb387352a1036ba2dad236466f5897d6005560", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.67
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.67
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling send_wrapper v0.4.0
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling tracing-core v0.1.15
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling directories v3.0.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling instant v0.1.6
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling ruma-events-macros v0.21.3
[INFO] [stderr]    Compiling ruma-api-macros v0.16.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling async-trait v0.1.40
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling structopt v0.3.17
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling tracing v0.1.19
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling js_int v0.1.9
[INFO] [stderr]    Compiling ruma-identifiers v0.16.2
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling ruma-serde v0.2.3
[INFO] [stderr]    Compiling hyper v0.13.7
[INFO] [stderr]    Compiling ruma-common v0.1.3
[INFO] [stderr]    Compiling ruma-api v0.16.1
[INFO] [stderr]    Compiling js-sys v0.3.44
[INFO] [stderr]    Compiling ruma-events v0.21.3
[INFO] [stderr]    Compiling web-sys v0.3.44
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling reqwest v0.10.8
[INFO] [stderr]    Compiling gloo-timers v0.2.1
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling ruma-client-api v0.9.0
[INFO] [stderr]    Compiling matrix-sdk-common v0.1.0
[INFO] [stderr]    Compiling matrix-sdk-base v0.1.0
[INFO] [stderr]    Compiling matrix-sdk v0.1.0
[INFO] [stderr] error: could not compile `ruma-client-api`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ruma_client_api --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ruma-client-api-0.9.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=73ccab7b8eaff729 -C extra-filename=-73ccab7b8eaff729 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern http=/opt/rustwide/target/debug/deps/libhttp-69eb81db368187d7.rmeta --extern js_int=/opt/rustwide/target/debug/deps/libjs_int-f9b18ad8ba6e5223.rmeta --extern ruma_api=/opt/rustwide/target/debug/deps/libruma_api-db6ff7899a1da685.rmeta --extern ruma_common=/opt/rustwide/target/debug/deps/libruma_common-23a6549484c2b0da.rmeta --extern ruma_events=/opt/rustwide/target/debug/deps/libruma_events-006fc7b19ce1e246.rmeta --extern ruma_identifiers=/opt/rustwide/target/debug/deps/libruma_identifiers-e9958ee5ea2303e7.rmeta --extern ruma_serde=/opt/rustwide/target/debug/deps/libruma_serde-0247ad0bcfbd8174.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-40de51a975d69ba8.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-d1a57aac1d1347c7.rmeta --extern strum=/opt/rustwide/target/debug/deps/libstrum-2436d65579ed17fa.rmeta --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" "1d41a5f3326a5d726984b92251bb387352a1036ba2dad236466f5897d6005560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d41a5f3326a5d726984b92251bb387352a1036ba2dad236466f5897d6005560", kill_on_drop: false }`
[INFO] [stdout] 1d41a5f3326a5d726984b92251bb387352a1036ba2dad236466f5897d6005560