[INFO] fetching crate morty 0.5.0...
[INFO] testing morty-0.5.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate morty 0.5.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate morty 0.5.0 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 crates.io crate morty 0.5.0
[INFO] finished tweaking crates.io crate morty 0.5.0
[INFO] tweaked toml for crates.io crate morty 0.5.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate morty 0.5.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 7bc5db089ef0d9e56590204fb09b2c30e9f7f60e941b2b922b17b22c82bc1cef
[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" "7bc5db089ef0d9e56590204fb09b2c30e9f7f60e941b2b922b17b22c82bc1cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bc5db089ef0d9e56590204fb09b2c30e9f7f60e941b2b922b17b22c82bc1cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bc5db089ef0d9e56590204fb09b2c30e9f7f60e941b2b922b17b22c82bc1cef", kill_on_drop: false }`
[INFO] [stdout] 7bc5db089ef0d9e56590204fb09b2c30e9f7f60e941b2b922b17b22c82bc1cef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 0b55b639d30b69325b72ae4ad22214d87bdc6a9f8d294e636aaff961b984e02d
[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" "0b55b639d30b69325b72ae4ad22214d87bdc6a9f8d294e636aaff961b984e02d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling static_assertions v0.3.4
[INFO] [stderr]    Compiling bytecount v0.6.0
[INFO] [stderr]    Compiling bytecount v0.3.2
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling str-concat v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling pulldown-cmark v0.7.0
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling sv-parser-syntaxtree v0.7.0
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling simple_logger v1.6.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling backtrace v0.3.41
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling nom_locate v1.0.0
[INFO] [stderr]    Compiling nom_locate v2.0.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling nom-greedyerror v0.2.0
[INFO] [stderr]    Compiling nom-tracable-macros v0.5.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.14
[INFO] [stderr]    Compiling nom-packrat-macros v0.4.0
[INFO] [stderr]    Compiling sv-parser-macros v0.7.0
[INFO] [stderr]    Compiling nom-recursive-macros v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling nom-tracable v0.5.2
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling nom-recursive v0.2.0
[INFO] [stderr]    Compiling thiserror v1.0.14
[INFO] [stderr]    Compiling sv-parser-error v0.7.0
[INFO] [stderr]    Compiling nom-packrat v0.4.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling sv-parser-parser v0.7.0
[INFO] [stderr] error: could not compile `sv-parser-syntaxtree`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name sv_parser_syntaxtree --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sv-parser-syntaxtree-0.7.0/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=530c0b4cb2495141 -C extra-filename=-530c0b4cb2495141 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern sv_parser_macros=/opt/rustwide/target/debug/deps/libsv_parser_macros-62fcbc5e1b99db2f.so --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" "0b55b639d30b69325b72ae4ad22214d87bdc6a9f8d294e636aaff961b984e02d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b55b639d30b69325b72ae4ad22214d87bdc6a9f8d294e636aaff961b984e02d", kill_on_drop: false }`
[INFO] [stdout] 0b55b639d30b69325b72ae4ad22214d87bdc6a9f8d294e636aaff961b984e02d