[INFO] crate know-thy-shell 0.1.12 is already in cache
[INFO] testing know-thy-shell-0.1.12 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate know-thy-shell 0.1.12 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate know-thy-shell 0.1.12 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate know-thy-shell 0.1.12
[INFO] finished tweaking crates.io crate know-thy-shell 0.1.12
[INFO] tweaked toml for crates.io crate know-thy-shell 0.1.12 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate know-thy-shell 0.1.12 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4024437b71a0a910128c95e4717319c99722a06186163a51d71337455e54f378
[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" "4024437b71a0a910128c95e4717319c99722a06186163a51d71337455e54f378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4024437b71a0a910128c95e4717319c99722a06186163a51d71337455e54f378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4024437b71a0a910128c95e4717319c99722a06186163a51d71337455e54f378", kill_on_drop: false }`
[INFO] [stdout] 4024437b71a0a910128c95e4717319c99722a06186163a51d71337455e54f378
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--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] 8b0bf1f4676427db13e981544f7cb85ed4bfe2f1d9e4f3e5309473968d879c15
[INFO] running `Command { std: "docker" "start" "-a" "8b0bf1f4676427db13e981544f7cb85ed4bfe2f1d9e4f3e5309473968d879c15", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling alloc-no-stdlib v1.3.0
[INFO] [stderr]    Compiling integer-encoding v1.0.7
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]    Compiling parquet v0.14.0
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling walkdir v2.2.8
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.8
[INFO] [stderr]    Compiling flatbuffers v0.5.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling brotli-decompressor v1.3.1
[INFO] [stderr]    Compiling packed_simd v0.3.3
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling regex-automata v0.1.7
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling snap v0.2.5
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/packed_simd-0.3.3/src/lib.rs:202:1
[INFO] [stdout]     |
[INFO] [stdout] 202 | / #![feature(
[INFO] [stdout] 203 | |     repr_simd,
[INFO] [stdout] 204 | |     const_fn,
[INFO] [stdout] 205 | |     platform_intrinsics,
[INFO] [stdout] ...   |
[INFO] [stdout] 215 | |     custom_inner_attributes
[INFO] [stdout] 216 | | )]
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling thrift v0.0.4
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling brotli v2.5.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling ordered-float v0.5.2
[INFO] [stderr]    Compiling parquet-format v2.5.0
[INFO] [stderr]    Compiling rustyline v4.1.0
[INFO] [stderr] error: could not compile `packed_simd`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name packed_simd --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/packed_simd-0.3.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=cec573e972ff3c8d -C extra-filename=-cec573e972ff3c8d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-dc9c1f3ab4e75cf1.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" "8b0bf1f4676427db13e981544f7cb85ed4bfe2f1d9e4f3e5309473968d879c15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b0bf1f4676427db13e981544f7cb85ed4bfe2f1d9e4f3e5309473968d879c15", kill_on_drop: false }`
[INFO] [stdout] 8b0bf1f4676427db13e981544f7cb85ed4bfe2f1d9e4f3e5309473968d879c15