[INFO] fetching crate factom 2.1.1...
[INFO] testing factom-2.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate factom 2.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate factom 2.1.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate factom 2.1.1
[INFO] finished tweaking crates.io crate factom 2.1.1
[INFO] tweaked toml for crates.io crate factom 2.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate factom 2.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] efd9d4aba71eac16ce3e9e34bc639f3bf08f122067148feaeed662a980ad8494
[INFO] running `Command { std: "docker" "start" "-a" "efd9d4aba71eac16ce3e9e34bc639f3bf08f122067148feaeed662a980ad8494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efd9d4aba71eac16ce3e9e34bc639f3bf08f122067148feaeed662a980ad8494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efd9d4aba71eac16ce3e9e34bc639f3bf08f122067148feaeed662a980ad8494", kill_on_drop: false }`
[INFO] [stdout] efd9d4aba71eac16ce3e9e34bc639f3bf08f122067148feaeed662a980ad8494
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4dcad24a987d04b4e0d7b14942d090b3705998dc3fb46fc53f5378416e8553c
[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" "c4dcad24a987d04b4e0d7b14942d090b3705998dc3fb46fc53f5378416e8553c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling bytes v0.5.2
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling http v0.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]    Compiling tokio-executor v0.2.0-alpha.6
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling http-body v0.3.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling tokio v0.2.4
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling pin-project v0.4.6
[INFO] [stderr]    Compiling futures-util v0.3.1
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling tokio-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.2.1
[INFO] [stderr]    Compiling futures-executor v0.3.1
[INFO] [stderr]    Compiling futures v0.3.1
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling hyper v0.13.0
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling hyper-tls v0.4.0
[INFO] [stderr]    Compiling factom v2.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `Command { std: "docker" "inspect" "c4dcad24a987d04b4e0d7b14942d090b3705998dc3fb46fc53f5378416e8553c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4dcad24a987d04b4e0d7b14942d090b3705998dc3fb46fc53f5378416e8553c", kill_on_drop: false }`
[INFO] [stdout] c4dcad24a987d04b4e0d7b14942d090b3705998dc3fb46fc53f5378416e8553c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 425bf441d7066bd09a9f138033411bea5c2c374fe58df1ac7487dc6846b036bc
[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" "425bf441d7066bd09a9f138033411bea5c2c374fe58df1ac7487dc6846b036bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling bs58 v0.2.5
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling tinytemplate v1.0.2
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling crossbeam-queue v0.2.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand_os v0.2.2
[INFO] [stderr]    Compiling rand_xoshiro v0.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling criterion-plot v0.4.0
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling rayon v1.2.1
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling criterion v0.3.0
[INFO] [stderr]    Compiling factom v2.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `factom`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name mod --edition=2018 tests/mod.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="tokio"' --cfg 'feature="tokio-executor"' -C metadata=5775bb41e18baa13 -C extra-filename=-5775bb41e18baa13 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bs58=/opt/rustwide/target/debug/deps/libbs58-b5a83818b0724f54.rlib --extern bytes=/opt/rustwide/target/debug/deps/libbytes-58ae0d0d339e0aa3.rlib --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-130f9724f87b2350.rlib --extern factom=/opt/rustwide/target/debug/deps/libfactom-540738d7367b6e29.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-49f080f9e6d4237c.rlib --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-5dfef3249606633e.rlib --extern hex=/opt/rustwide/target/debug/deps/libhex-41c620fbf3a53d29.rlib --extern http=/opt/rustwide/target/debug/deps/libhttp-baaff8ea57b15346.rlib --extern hyper=/opt/rustwide/target/debug/deps/libhyper-157385b99fc84a02.rlib --extern hyper_tls=/opt/rustwide/target/debug/deps/libhyper_tls-046cdd7f1275e7ec.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-d716111c6041e823.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-e97896e1bb689244.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-d67cb38ae97821f4.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-c6526435a3dd24b0.rlib --extern sha2=/opt/rustwide/target/debug/deps/libsha2-e4d52ba804e55e94.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-58688cce890be045.rlib --extern tokio_executor=/opt/rustwide/target/debug/deps/libtokio_executor-4420f15f373faabe.rlib --extern url=/opt/rustwide/target/debug/deps/liburl-b5baa5f9ff49b924.rlib --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" "425bf441d7066bd09a9f138033411bea5c2c374fe58df1ac7487dc6846b036bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "425bf441d7066bd09a9f138033411bea5c2c374fe58df1ac7487dc6846b036bc", kill_on_drop: false }`
[INFO] [stdout] 425bf441d7066bd09a9f138033411bea5c2c374fe58df1ac7487dc6846b036bc