[INFO] cloning repository https://github.com/hxw/recorder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hxw/recorder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhxw%2Frecorder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhxw%2Frecorder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a044425866d20bc8c2e280763757902248494464
[INFO] checking hxw/recorder against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhxw%2Frecorder" "/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/hxw/recorder 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/hxw/recorder
[INFO] finished tweaking git repo https://github.com/hxw/recorder
[INFO] tweaked toml for git repo https://github.com/hxw/recorder written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/hxw/recorder 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] [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] 8ec8ee0e26e82e161a265e94c8b32b7737aaa2864f59882a3273e7fed502b086
[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" "8ec8ee0e26e82e161a265e94c8b32b7737aaa2864f59882a3273e7fed502b086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ec8ee0e26e82e161a265e94c8b32b7737aaa2864f59882a3273e7fed502b086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ec8ee0e26e82e161a265e94c8b32b7737aaa2864f59882a3273e7fed502b086", kill_on_drop: false }`
[INFO] [stdout] 8ec8ee0e26e82e161a265e94c8b32b7737aaa2864f59882a3273e7fed502b086
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6c3f7aef178fb9774c6c58dea7ddc464aaaee8133e67f003d19364fa53832d2a
[INFO] running `Command { std: "docker" "start" "-a" "6c3f7aef178fb9774c6c58dea7ddc464aaaee8133e67f003d19364fa53832d2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling bindgen v0.48.1
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]     Checking spmc v0.3.0
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking base64-serde v0.5.0
[INFO] [stderr]     Checking hex-serde v0.1.0
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]    Compiling regex v1.3.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.34
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling rlua v0.17.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling backtrace v0.3.45
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]     Checking serde-aux v0.6.1
[INFO] [stderr]     Checking log4rs v0.11.0
[INFO] [stderr]    Compiling argonautica v0.2.0
[INFO] [stderr]     Checking mt-recorder v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `Command { std: "docker" "inspect" "6c3f7aef178fb9774c6c58dea7ddc464aaaee8133e67f003d19364fa53832d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c3f7aef178fb9774c6c58dea7ddc464aaaee8133e67f003d19364fa53832d2a", kill_on_drop: false }`
[INFO] [stdout] 6c3f7aef178fb9774c6c58dea7ddc464aaaee8133e67f003d19364fa53832d2a