[INFO] fetching crate scryer-prolog 0.8.127...
[INFO] testing scryer-prolog-0.8.127 against 1.52.1 for beta-1.52-2
[INFO] extracting crate scryer-prolog 0.8.127 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate scryer-prolog 0.8.127 on toolchain 1.52.1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scryer-prolog 0.8.127
[INFO] finished tweaking crates.io crate scryer-prolog 0.8.127
[INFO] tweaked toml for crates.io crate scryer-prolog 0.8.127 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate scryer-prolog 0.8.127 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4cd529d2dab73cec6e234c89f82514c688b01db3f8708e932e451b66aed8076
[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" "e4cd529d2dab73cec6e234c89f82514c688b01db3f8708e932e451b66aed8076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4cd529d2dab73cec6e234c89f82514c688b01db3f8708e932e451b66aed8076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4cd529d2dab73cec6e234c89f82514c688b01db3f8708e932e451b66aed8076", kill_on_drop: false }`
[INFO] [stdout] e4cd529d2dab73cec6e234c89f82514c688b01db3f8708e932e451b66aed8076
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "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] c33e9d9c5aea4f7b21109650b099973078f0ee00491cd4e40734656a109cdbed
[INFO] running `Command { std: "docker" "start" "-a" "c33e9d9c5aea4f7b21109650b099973078f0ee00491cd4e40734656a109cdbed", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.113
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.2.2
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling rug v1.8.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling az v0.3.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling xmlparser v0.13.2
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling ref_thread_local v0.0.0
[INFO] [stderr]    Compiling divrem v0.1.0
[INFO] [stderr]    Compiling downcast v0.10.0
[INFO] [stderr]    Compiling openssl-src v111.9.0+1.1.1g
[INFO] [stderr]    Compiling libsodium-sys v0.2.6
[INFO] [stderr]    Compiling ring v0.16.13
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling roxmltree v0.11.0
[INFO] [stderr]    Compiling scryer-prolog v0.8.127 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling unicode_reader v1.0.0
[INFO] [stderr]    Compiling tendril v0.4.1
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling ordered-float v0.5.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling blake2 v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling ripemd160 v0.8.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling cpu-time v1.0.0
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling lexical v2.2.2
[INFO] [stderr]    Compiling signal-hook v0.1.13
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling crossterm v0.16.0
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling rustyline v6.1.2
[INFO] [stderr]    Compiling git-version-macro v0.3.4
[INFO] [stderr]    Compiling html5ever v0.23.0
[INFO] [stderr]    Compiling git-version v0.3.4
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling select v0.4.3
[INFO] [stderr]    Compiling sodiumoxide v0.2.6
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "c33e9d9c5aea4f7b21109650b099973078f0ee00491cd4e40734656a109cdbed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c33e9d9c5aea4f7b21109650b099973078f0ee00491cd4e40734656a109cdbed", kill_on_drop: false }`
[INFO] [stdout] c33e9d9c5aea4f7b21109650b099973078f0ee00491cd4e40734656a109cdbed