[INFO] fetching crate batbox 0.6.0-alpha.2...
[INFO] checking batbox-0.6.0-alpha.2 against beta for pr-78714
[INFO] extracting crate batbox 0.6.0-alpha.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate batbox 0.6.0-alpha.2 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 batbox 0.6.0-alpha.2
[INFO] finished tweaking crates.io crate batbox 0.6.0-alpha.2
[INFO] tweaked toml for crates.io crate batbox 0.6.0-alpha.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e35dc33841a7d476e44247ff138da014b472be71026f55336577c7fd389aafa
[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" "6e35dc33841a7d476e44247ff138da014b472be71026f55336577c7fd389aafa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e35dc33841a7d476e44247ff138da014b472be71026f55336577c7fd389aafa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e35dc33841a7d476e44247ff138da014b472be71026f55336577c7fd389aafa", kill_on_drop: false }`
[INFO] [stdout] 6e35dc33841a7d476e44247ff138da014b472be71026f55336577c7fd389aafa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44ec9a060f63690f59363a5461d1468155d03e2c47ba6c4e7778e35d1d7dbad4
[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" "44ec9a060f63690f59363a5461d1468155d03e2c47ba6c4e7778e35d1d7dbad4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking dyn-clone v1.0.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tinyfiledialogs v3.3.10
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking stderrlog v0.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling trans-derive v0.4.0-alpha.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling batbox-derive v0.6.0-alpha.0
[INFO] [stderr]     Checking ron v0.6.2
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]     Checking trans v0.4.0-alpha.1
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking batbox v0.6.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.13s
[INFO] running `Command { std: "docker" "inspect" "44ec9a060f63690f59363a5461d1468155d03e2c47ba6c4e7778e35d1d7dbad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44ec9a060f63690f59363a5461d1468155d03e2c47ba6c4e7778e35d1d7dbad4", kill_on_drop: false }`
[INFO] [stdout] 44ec9a060f63690f59363a5461d1468155d03e2c47ba6c4e7778e35d1d7dbad4