[INFO] fetching crate floof 0.1.0...
[INFO] checking floof-0.1.0 against beta for pr-78714
[INFO] extracting crate floof 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate floof 0.1.0 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 crates.io crate floof 0.1.0
[INFO] finished tweaking crates.io crate floof 0.1.0
[INFO] tweaked toml for crates.io crate floof 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate floof 0.1.0 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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] e697f0386adf70f4f9f5be549795ea5ee0f47cdf6d78b3484cf7382421e900d9
[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" "e697f0386adf70f4f9f5be549795ea5ee0f47cdf6d78b3484cf7382421e900d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e697f0386adf70f4f9f5be549795ea5ee0f47cdf6d78b3484cf7382421e900d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e697f0386adf70f4f9f5be549795ea5ee0f47cdf6d78b3484cf7382421e900d9", kill_on_drop: false }`
[INFO] [stdout] e697f0386adf70f4f9f5be549795ea5ee0f47cdf6d78b3484cf7382421e900d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] e48f373c377cba3da2047ab306a79648167b287ea915b4d81c92433cfc4bfe15
[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" "e48f373c377cba3da2047ab306a79648167b287ea915b4d81c92433cfc4bfe15", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking spinning_top v0.2.2
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling bunt-macros v0.2.0
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking inotify v0.8.3
[INFO] [stderr]     Checking notify v5.0.0-pre.3
[INFO] [stderr]     Checking bunt v0.2.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking tokio-tungstenite v0.11.0
[INFO] [stderr]     Checking flume v0.8.4
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stderr]     Checking floof v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "e48f373c377cba3da2047ab306a79648167b287ea915b4d81c92433cfc4bfe15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e48f373c377cba3da2047ab306a79648167b287ea915b4d81c92433cfc4bfe15", kill_on_drop: false }`
[INFO] [stdout] e48f373c377cba3da2047ab306a79648167b287ea915b4d81c92433cfc4bfe15