[INFO] fetching crate pea2pea 0.28.0...
[INFO] testing pea2pea-0.28.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate pea2pea 0.28.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate pea2pea 0.28.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pea2pea 0.28.0
[INFO] finished tweaking crates.io crate pea2pea 0.28.0
[INFO] tweaked toml for crates.io crate pea2pea 0.28.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate pea2pea 0.28.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chacha20 v0.7.2
[INFO] [stderr]   Downloaded aead v0.4.2
[INFO] [stderr]   Downloaded blake2 v0.9.1
[INFO] [stderr]   Downloaded serde_derive v1.0.128
[INFO] [stderr]   Downloaded ghash v0.4.3
[INFO] [stderr]   Downloaded circular-queue v0.2.6
[INFO] [stderr]   Downloaded serde v1.0.128
[INFO] [stderr]   Downloaded polyval v0.5.2
[INFO] [stderr]   Downloaded snow v0.8.0
[INFO] [stderr]   Downloaded peak_alloc v0.1.0
[INFO] [stderr]   Downloaded chacha20poly1305 v0.8.1
[INFO] [stderr]   Downloaded aes-gcm v0.9.3
[INFO] [stderr]   Downloaded poly1305 v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 446a188bf494689abcd057d85c5d14fa2f32c3da37579d220d3b439513b682e8
[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" "446a188bf494689abcd057d85c5d14fa2f32c3da37579d220d3b439513b682e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "446a188bf494689abcd057d85c5d14fa2f32c3da37579d220d3b439513b682e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "446a188bf494689abcd057d85c5d14fa2f32c3da37579d220d3b439513b682e8", kill_on_drop: false }`
[INFO] [stdout] 446a188bf494689abcd057d85c5d14fa2f32c3da37579d220d3b439513b682e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd68d2171b7f3b6b96a7297aedca5c4b4bb1b251744f2bf601c9848547a491df
[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" "dd68d2171b7f3b6b96a7297aedca5c4b4bb1b251744f2bf601c9848547a491df", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling pea2pea v0.28.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.79s
[INFO] running `Command { std: "docker" "inspect" "dd68d2171b7f3b6b96a7297aedca5c4b4bb1b251744f2bf601c9848547a491df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd68d2171b7f3b6b96a7297aedca5c4b4bb1b251744f2bf601c9848547a491df", kill_on_drop: false }`
[INFO] [stdout] dd68d2171b7f3b6b96a7297aedca5c4b4bb1b251744f2bf601c9848547a491df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "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] c9c65414151b9d9933006b2cdaa277c8525d9199ba8d1111215b8312891c134f
[INFO] running `Command { std: "docker" "start" "-a" "c9c65414151b9d9933006b2cdaa277c8525d9199ba8d1111215b8312891c134f", kill_on_drop: false }`
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling cpufeatures v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.128
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]    Compiling peak_alloc v0.1.0
[INFO] [stderr]    Compiling circular-queue v0.2.6
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling aead v0.4.2
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling sha2 v0.9.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling universal-hash v0.4.1
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling aes v0.7.4
[INFO] [stderr]    Compiling ctr v0.8.0
[INFO] [stderr]    Compiling snow v0.8.0
[INFO] [stderr]    Compiling blake2 v0.9.1
[INFO] [stderr]    Compiling polyval v0.5.2
[INFO] [stderr]    Compiling poly1305 v0.7.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ghash v0.4.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling aes-gcm v0.9.3
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling tracing-subscriber v0.2.20
[INFO] [stderr]    Compiling zeroize v1.3.0
[INFO] [stderr]    Compiling curve25519-dalek v3.2.0
[INFO] [stderr]    Compiling chacha20 v0.7.2
[INFO] [stderr]    Compiling chacha20poly1305 v0.8.1
[INFO] [stderr]    Compiling x25519-dalek v1.1.1
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling pea2pea v0.28.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `pea2pea`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name hapsburgs_plan_b --edition=2018 examples/hapsburgs_plan_b.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=26e18427f906423e -C extra-filename=-26e18427f906423e --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-50e15bb3889c183b.so --extern bincode=/opt/rustwide/target/debug/deps/libbincode-5a346733a6fb5774.rlib --extern bytes=/opt/rustwide/target/debug/deps/libbytes-e6eec5aeecffa8a4.rlib --extern circular_queue=/opt/rustwide/target/debug/deps/libcircular_queue-114b6931bde2b25d.rlib --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-2b5a2a02e3a765be.rlib --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-2cb56f25a87e3f18.rlib --extern pea2pea=/opt/rustwide/target/debug/deps/libpea2pea-8e9a28674eb9b9e8.rlib --extern peak_alloc=/opt/rustwide/target/debug/deps/libpeak_alloc-b116cad79289c0e7.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-cebd146e75b63a3d.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-b681673e6774c311.rlib --extern snow=/opt/rustwide/target/debug/deps/libsnow-70ea0df194ec4772.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-7efc845c94822caf.rlib --extern tracing=/opt/rustwide/target/debug/deps/libtracing-73537ad3164303ec.rlib --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-1e943153d2d80164.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" "c9c65414151b9d9933006b2cdaa277c8525d9199ba8d1111215b8312891c134f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9c65414151b9d9933006b2cdaa277c8525d9199ba8d1111215b8312891c134f", kill_on_drop: false }`
[INFO] [stdout] c9c65414151b9d9933006b2cdaa277c8525d9199ba8d1111215b8312891c134f