[INFO] fetching crate rightscrapex 0.3.0...
[INFO] checking rightscrapex-0.3.0 against beta for pr-78714
[INFO] extracting crate rightscrapex 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rightscrapex 0.3.0 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 rightscrapex 0.3.0
[INFO] finished tweaking crates.io crate rightscrapex 0.3.0
[INFO] tweaked toml for crates.io crate rightscrapex 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate rightscrapex 0.3.0 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] cdd09e635f9e5cfe301a884203f2b8af804557a67a115a3188de6d71b21e7314
[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" "cdd09e635f9e5cfe301a884203f2b8af804557a67a115a3188de6d71b21e7314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdd09e635f9e5cfe301a884203f2b8af804557a67a115a3188de6d71b21e7314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdd09e635f9e5cfe301a884203f2b8af804557a67a115a3188de6d71b21e7314", kill_on_drop: false }`
[INFO] [stdout] cdd09e635f9e5cfe301a884203f2b8af804557a67a115a3188de6d71b21e7314
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 3f5c460e833047943809e621ce4231808a8486b7cbbba00bd0739b500aa2d1e1
[INFO] running `Command { std: "docker" "start" "-a" "3f5c460e833047943809e621ce4231808a8486b7cbbba00bd0739b500aa2d1e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking chunked_transfer v1.0.0
[INFO] [stderr]     Checking stdinix v0.1.0
[INFO] [stderr]     Checking oops v0.1.0
[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking ureq v0.11.4
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling html5ever v0.23.0
[INFO] [stderr]    Compiling proc-macro-error v0.4.8
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.8
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]     Checking structopt v0.3.9
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.47
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr]     Checking select v0.4.3
[INFO] [stderr]     Checking rightscrapex v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "3f5c460e833047943809e621ce4231808a8486b7cbbba00bd0739b500aa2d1e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f5c460e833047943809e621ce4231808a8486b7cbbba00bd0739b500aa2d1e1", kill_on_drop: false }`
[INFO] [stdout] 3f5c460e833047943809e621ce4231808a8486b7cbbba00bd0739b500aa2d1e1