[INFO] fetching crate cpython 0.5.1...
[INFO] checking cpython-0.5.1 against beta for pr-78714
[INFO] extracting crate cpython 0.5.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate cpython 0.5.1 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 cpython 0.5.1
[INFO] finished tweaking crates.io crate cpython 0.5.1
[INFO] tweaked toml for crates.io crate cpython 0.5.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate cpython 0.5.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 6a0227e0b6904bc748848dc46ddbf597628b489ab3a48c5f2d438a790748999e
[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" "6a0227e0b6904bc748848dc46ddbf597628b489ab3a48c5f2d438a790748999e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a0227e0b6904bc748848dc46ddbf597628b489ab3a48c5f2d438a790748999e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a0227e0b6904bc748848dc46ddbf597628b489ab3a48c5f2d438a790748999e", kill_on_drop: false }`
[INFO] [stdout] 6a0227e0b6904bc748848dc46ddbf597628b489ab3a48c5f2d438a790748999e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 4730c87c94f09f78215e306f8aff606e1bc8d2f851b9040aa2fe3e807860de58
[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" "4730c87c94f09f78215e306f8aff606e1bc8d2f851b9040aa2fe3e807860de58", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling cpython v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling paste-impl v0.1.17
[INFO] [stderr]     Checking paste v0.1.17
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling python3-sys v0.5.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.29s
[INFO] running `Command { std: "docker" "inspect" "4730c87c94f09f78215e306f8aff606e1bc8d2f851b9040aa2fe3e807860de58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4730c87c94f09f78215e306f8aff606e1bc8d2f851b9040aa2fe3e807860de58", kill_on_drop: false }`
[INFO] [stdout] 4730c87c94f09f78215e306f8aff606e1bc8d2f851b9040aa2fe3e807860de58