[INFO] cloning repository https://github.com/mthom/rusty-wam
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mthom/rusty-wam" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmthom%2Frusty-wam", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmthom%2Frusty-wam'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c55de17ca8c711c0bd8db538a7aaeac5591d2830
[INFO] checking mthom/rusty-wam against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmthom%2Frusty-wam" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mthom/rusty-wam on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mthom/rusty-wam
[INFO] finished tweaking git repo https://github.com/mthom/rusty-wam
[INFO] tweaked toml for git repo https://github.com/mthom/rusty-wam written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mthom/rusty-wam already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d01428d1b1508b12c86dc294519fdcc02baad2cba444b1a144e3e688307f81d3
[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" "d01428d1b1508b12c86dc294519fdcc02baad2cba444b1a144e3e688307f81d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d01428d1b1508b12c86dc294519fdcc02baad2cba444b1a144e3e688307f81d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d01428d1b1508b12c86dc294519fdcc02baad2cba444b1a144e3e688307f81d3", kill_on_drop: false }`
[INFO] [stdout] d01428d1b1508b12c86dc294519fdcc02baad2cba444b1a144e3e688307f81d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3040378cbf79df056a035945da7a55af8709e25c7d45a99e21eb6ebfaee732bc
[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" "3040378cbf79df056a035945da7a55af8709e25c7d45a99e21eb6ebfaee732bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.2.2
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling rug v1.8.0
[INFO] [stderr]     Checking az v0.3.1
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking ref_thread_local v0.0.0
[INFO] [stderr]     Checking divrem v0.1.0
[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]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking roxmltree v0.11.0
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking cpu-time v1.0.0
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling scryer-prolog v0.8.127 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking unicode_reader v1.0.0
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]     Checking lexical v2.2.2
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]     Checking crossterm v0.16.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling phf_generator v0.7.24
[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]     Checking rustyline v6.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.113
[INFO] [stderr]    Compiling git-version-macro v0.3.4
[INFO] [stderr]     Checking git-version v0.3.4
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking html5ever v0.23.0
[INFO] [stderr]     Checking select v0.4.3
[INFO] [stderr]     Checking sodiumoxide v0.2.6
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "3040378cbf79df056a035945da7a55af8709e25c7d45a99e21eb6ebfaee732bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3040378cbf79df056a035945da7a55af8709e25c7d45a99e21eb6ebfaee732bc", kill_on_drop: false }`
[INFO] [stdout] 3040378cbf79df056a035945da7a55af8709e25c7d45a99e21eb6ebfaee732bc