[INFO] fetching crate rust2pickle 0.0.2...
[INFO] checking rust2pickle-0.0.2 against beta for pr-78714
[INFO] extracting crate rust2pickle 0.0.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate rust2pickle 0.0.2 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 rust2pickle 0.0.2
[INFO] finished tweaking crates.io crate rust2pickle 0.0.2
[INFO] tweaked toml for crates.io crate rust2pickle 0.0.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate rust2pickle 0.0.2 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] b7be3fe4cc77124b6ba95d57ceb0441057926704f75d4a89924e39f809262ee9
[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" "b7be3fe4cc77124b6ba95d57ceb0441057926704f75d4a89924e39f809262ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7be3fe4cc77124b6ba95d57ceb0441057926704f75d4a89924e39f809262ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7be3fe4cc77124b6ba95d57ceb0441057926704f75d4a89924e39f809262ee9", kill_on_drop: false }`
[INFO] [stdout] b7be3fe4cc77124b6ba95d57ceb0441057926704f75d4a89924e39f809262ee9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 88f3374fad6c23122f04284576da6afb81888c47cf08fa4a1bf9aa6218eb81b4
[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" "88f3374fad6c23122f04284576da6afb81888c47cf08fa4a1bf9aa6218eb81b4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]     Checking iter-read v0.2.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling structopt-derive v0.4.11
[INFO] [stderr]     Checking structopt v0.3.18
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking syn-serde v0.2.0
[INFO] [stderr]     Checking serde-pickle v0.6.1
[INFO] [stderr]     Checking rust2pickle v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.91s
[INFO] running `Command { std: "docker" "inspect" "88f3374fad6c23122f04284576da6afb81888c47cf08fa4a1bf9aa6218eb81b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88f3374fad6c23122f04284576da6afb81888c47cf08fa4a1bf9aa6218eb81b4", kill_on_drop: false }`
[INFO] [stdout] 88f3374fad6c23122f04284576da6afb81888c47cf08fa4a1bf9aa6218eb81b4