[INFO] fetching crate async-h1 2.3.0...
[INFO] testing async-h1-2.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate async-h1 2.3.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate async-h1 2.3.0 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 async-h1 2.3.0
[INFO] finished tweaking crates.io crate async-h1 2.3.0
[INFO] tweaked toml for crates.io crate async-h1 2.3.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate async-h1 2.3.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 8e00c298cde6d0e0da2d95001a581459946ad09a25ad6cdb429f9c3edcc16b15
[INFO] running `Command { std: "docker" "start" "-a" "8e00c298cde6d0e0da2d95001a581459946ad09a25ad6cdb429f9c3edcc16b15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e00c298cde6d0e0da2d95001a581459946ad09a25ad6cdb429f9c3edcc16b15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e00c298cde6d0e0da2d95001a581459946ad09a25ad6cdb429f9c3edcc16b15", kill_on_drop: false }`
[INFO] [stdout] 8e00c298cde6d0e0da2d95001a581459946ad09a25ad6cdb429f9c3edcc16b15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 4feb4d7f57422327def7e33540d6aadbb60cb748fe40a9958c88669f97f144d6
[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" "4feb4d7f57422327def7e33540d6aadbb60cb748fe40a9958c88669f97f144d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling subtle v2.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]    Compiling data-encoding v2.3.1
[INFO] [stderr]    Compiling http-types v2.9.0
[INFO] [stderr]    Compiling infer v0.2.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling standback v0.2.13
[INFO] [stderr]    Compiling time v0.2.23
[INFO] [stderr]    Compiling cookie v0.14.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling simple-mutex v1.1.5
[INFO] [stderr]    Compiling futures-lite v1.11.2
[INFO] [stderr]    Compiling cipher v0.2.5
[INFO] [stderr]    Compiling universal-hash v0.4.0
[INFO] [stderr]    Compiling crypto-mac v0.10.0
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling async-dup v1.2.2
[INFO] [stderr]    Compiling sha2 v0.9.2
[INFO] [stderr]    Compiling hmac v0.10.1
[INFO] [stderr]    Compiling aes-soft v0.6.4
[INFO] [stderr]    Compiling ctr v0.6.0
[INFO] [stderr]    Compiling polyval v0.4.2
[INFO] [stderr]    Compiling hkdf v0.10.0
[INFO] [stderr]    Compiling ghash v0.3.0
[INFO] [stderr]    Compiling aes v0.6.0
[INFO] [stderr]    Compiling aes-gcm v0.8.0
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling async-io v1.3.1
[INFO] [stderr]    Compiling byte-pool v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling async-global-executor v1.4.3
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling async-std v1.7.0
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling serde_qs v0.7.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling async-h1 v2.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `Command { std: "docker" "inspect" "4feb4d7f57422327def7e33540d6aadbb60cb748fe40a9958c88669f97f144d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4feb4d7f57422327def7e33540d6aadbb60cb748fe40a9958c88669f97f144d6", kill_on_drop: false }`
[INFO] [stdout] 4feb4d7f57422327def7e33540d6aadbb60cb748fe40a9958c88669f97f144d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "test" "--frozen" "--no-run" "--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] 5c0e9b485dc61d6d058a578d21d82f4ce8ada680d08a37c552363f21da4b9753
[INFO] running `Command { std: "docker" "start" "-a" "5c0e9b485dc61d6d058a578d21d82f4ce8ada680d08a37c552363f21da4b9753", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-h1 v2.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `async-h1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name accept --edition=2018 tests/accept.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=0e6edcb3ea5cbb66 -C extra-filename=-0e6edcb3ea5cbb66 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern async_channel=/opt/rustwide/target/debug/deps/libasync_channel-ce38df29c7023a3e.rlib --extern async_dup=/opt/rustwide/target/debug/deps/libasync_dup-09bf102987f7c5f6.rlib --extern async_h1=/opt/rustwide/target/debug/deps/libasync_h1-71702743e0b86f49.rlib --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-1d675a7df139eaf2.rlib --extern byte_pool=/opt/rustwide/target/debug/deps/libbyte_pool-10e26ccd188d4d62.rlib --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-201e479cff1ea00b.rlib --extern http_types=/opt/rustwide/target/debug/deps/libhttp_types-e0b9977034dc3d7b.rlib --extern httparse=/opt/rustwide/target/debug/deps/libhttparse-70ee21a856a9db0a.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-7895c92c6d278491.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-b13bad4b715422ac.rlib --extern pin_project=/opt/rustwide/target/debug/deps/libpin_project-4db619c2185c30dc.rlib --extern pretty_assertions=/opt/rustwide/target/debug/deps/libpretty_assertions-5f40f5019e43dab8.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" "5c0e9b485dc61d6d058a578d21d82f4ce8ada680d08a37c552363f21da4b9753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c0e9b485dc61d6d058a578d21d82f4ce8ada680d08a37c552363f21da4b9753", kill_on_drop: false }`
[INFO] [stdout] 5c0e9b485dc61d6d058a578d21d82f4ce8ada680d08a37c552363f21da4b9753