[INFO] fetching crate piz 0.3.1...
[INFO] checking piz-0.3.1 against beta for pr-78714
[INFO] extracting crate piz 0.3.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate piz 0.3.1 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 piz 0.3.1
[INFO] finished tweaking crates.io crate piz 0.3.1
[INFO] tweaked toml for crates.io crate piz 0.3.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate piz 0.3.1 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c098275a09dc7c4716cdf4a4c91b4ada9df836dddffdec054475023fa1114d22
[INFO] running `Command { std: "docker" "start" "-a" "c098275a09dc7c4716cdf4a4c91b4ada9df836dddffdec054475023fa1114d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c098275a09dc7c4716cdf4a4c91b4ada9df836dddffdec054475023fa1114d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c098275a09dc7c4716cdf4a4c91b4ada9df836dddffdec054475023fa1114d22", kill_on_drop: false }`
[INFO] [stdout] c098275a09dc7c4716cdf4a4c91b4ada9df836dddffdec054475023fa1114d22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] c09e5175d8a1050904a5463e39c97e4b9f1bdda9327b65735396186904f8e614
[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" "c09e5175d8a1050904a5463e39c97e4b9f1bdda9327b65735396186904f8e614", kill_on_drop: false }`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]     Checking twoway v0.2.1
[INFO] [stderr]     Checking crossbeam-utils v0.8.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking flate2 v1.0.18
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]    Compiling codepage-437 v0.1.0
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]     Checking env_logger v0.8.1
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking piz v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.88s
[INFO] running `Command { std: "docker" "inspect" "c09e5175d8a1050904a5463e39c97e4b9f1bdda9327b65735396186904f8e614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c09e5175d8a1050904a5463e39c97e4b9f1bdda9327b65735396186904f8e614", kill_on_drop: false }`
[INFO] [stdout] c09e5175d8a1050904a5463e39c97e4b9f1bdda9327b65735396186904f8e614