[INFO] fetching crate image 0.23.11...
[INFO] checking image-0.23.11 against beta for pr-78714
[INFO] extracting crate image 0.23.11 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate image 0.23.11 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 image 0.23.11
[INFO] finished tweaking crates.io crate image 0.23.11
[INFO] tweaked toml for crates.io crate image 0.23.11 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate image 0.23.11 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 39a9092c3515dc63c7b1b2678254c7cbd605092bf4eed34ca4f4ee886f8c406a
[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" "39a9092c3515dc63c7b1b2678254c7cbd605092bf4eed34ca4f4ee886f8c406a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39a9092c3515dc63c7b1b2678254c7cbd605092bf4eed34ca4f4ee886f8c406a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39a9092c3515dc63c7b1b2678254c7cbd605092bf4eed34ca4f4ee886f8c406a", kill_on_drop: false }`
[INFO] [stdout] 39a9092c3515dc63c7b1b2678254c7cbd605092bf4eed34ca4f4ee886f8c406a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 694ad70e0d27104d6e5cd7cc555c9798da45382581034d1ca39bc1bf5b7c54ff
[INFO] running `Command { std: "docker" "start" "-a" "694ad70e0d27104d6e5cd7cc555c9798da45382581034d1ca39bc1bf5b7c54ff", 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] [stderr]    Compiling rayon-core v1.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking weezl v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking png v0.16.5
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.0.3
[INFO] [stderr]     Checking plotters v0.2.12
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking num-iter v0.1.40
[INFO] [stderr]     Checking num-rational v0.3.0
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking tiff v0.6.0
[INFO] [stderr]     Checking image v0.23.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.59s
[INFO] running `Command { std: "docker" "inspect" "694ad70e0d27104d6e5cd7cc555c9798da45382581034d1ca39bc1bf5b7c54ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "694ad70e0d27104d6e5cd7cc555c9798da45382581034d1ca39bc1bf5b7c54ff", kill_on_drop: false }`
[INFO] [stdout] 694ad70e0d27104d6e5cd7cc555c9798da45382581034d1ca39bc1bf5b7c54ff