[INFO] fetching crate rstack-self 0.3.0...
[INFO] checking rstack-self-0.3.0 against beta for pr-78714
[INFO] extracting crate rstack-self 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rstack-self 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 rstack-self 0.3.0
[INFO] finished tweaking crates.io crate rstack-self 0.3.0
[INFO] tweaked toml for crates.io crate rstack-self 0.3.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate rstack-self 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 5e4492bf214371bc854b525268c03000c8b3d1341b48156ef5dbb14051a7ece7
[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" "5e4492bf214371bc854b525268c03000c8b3d1341b48156ef5dbb14051a7ece7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e4492bf214371bc854b525268c03000c8b3d1341b48156ef5dbb14051a7ece7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e4492bf214371bc854b525268c03000c8b3d1341b48156ef5dbb14051a7ece7", kill_on_drop: false }`
[INFO] [stdout] 5e4492bf214371bc854b525268c03000c8b3d1341b48156ef5dbb14051a7ece7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 7ef5b77a4d59fa014452295a911fea40804e42504d90413e2fb5a25300c1a57f
[INFO] running `Command { std: "docker" "start" "-a" "7ef5b77a4d59fa014452295a911fea40804e42504d90413e2fb5a25300c1a57f", kill_on_drop: false }`
[INFO] [stderr]    Compiling unwind v0.3.0
[INFO] [stderr]     Checking foreign-types-shared v0.3.0
[INFO] [stderr]    Compiling unwind-sys v0.1.1
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]    Compiling foreign-types-macros v0.2.0
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking backtrace-sys v0.1.31
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]     Checking foreign-types v0.5.0
[INFO] [stderr]     Checking rstack v0.3.0
[INFO] [stderr]     Checking rstack-self v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.39s
[INFO] running `Command { std: "docker" "inspect" "7ef5b77a4d59fa014452295a911fea40804e42504d90413e2fb5a25300c1a57f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ef5b77a4d59fa014452295a911fea40804e42504d90413e2fb5a25300c1a57f", kill_on_drop: false }`
[INFO] [stdout] 7ef5b77a4d59fa014452295a911fea40804e42504d90413e2fb5a25300c1a57f