[INFO] fetching crate sub-batch 0.3.0...
[INFO] checking sub-batch-0.3.0 against beta for pr-78714
[INFO] extracting crate sub-batch 0.3.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate sub-batch 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 sub-batch 0.3.0
[INFO] finished tweaking crates.io crate sub-batch 0.3.0
[INFO] tweaked toml for crates.io crate sub-batch 0.3.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate sub-batch 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]  Downloading crates ...
[INFO] [stderr]   Downloaded rayon-core v1.8.1
[INFO] [stderr]   Downloaded rayon v1.4.1
[INFO] [stderr]   Downloaded backtrace v0.3.53
[INFO] [stderr]   Downloaded object v0.21.1
[INFO] [stderr]   Downloaded syn v1.0.44
[INFO] [stderr]   Downloaded which v4.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 3e37ed72b28b6d456f8ba1a97b5fc3526be06a33986cc3e8687cafab70554e3e
[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" "3e37ed72b28b6d456f8ba1a97b5fc3526be06a33986cc3e8687cafab70554e3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e37ed72b28b6d456f8ba1a97b5fc3526be06a33986cc3e8687cafab70554e3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e37ed72b28b6d456f8ba1a97b5fc3526be06a33986cc3e8687cafab70554e3e", kill_on_drop: false }`
[INFO] [stdout] 3e37ed72b28b6d456f8ba1a97b5fc3526be06a33986cc3e8687cafab70554e3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 016a6d4dcf4b1cbea909296a531d7007b8f5b56a87dad9b3f13baa7f3ad83183
[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" "016a6d4dcf4b1cbea909296a531d7007b8f5b56a87dad9b3f13baa7f3ad83183", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]     Checking rustc-demangle v0.1.17
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rayon-core v1.8.1
[INFO] [stderr]     Checking backtrace v0.3.53
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking assert_cmd v1.0.1
[INFO] [stderr]     Checking rayon v1.4.1
[INFO] [stderr]     Checking vobsub v0.2.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking subparse v0.6.2
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking which v4.0.2
[INFO] [stderr]     Checking sub-batch v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.38s
[INFO] running `Command { std: "docker" "inspect" "016a6d4dcf4b1cbea909296a531d7007b8f5b56a87dad9b3f13baa7f3ad83183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "016a6d4dcf4b1cbea909296a531d7007b8f5b56a87dad9b3f13baa7f3ad83183", kill_on_drop: false }`
[INFO] [stdout] 016a6d4dcf4b1cbea909296a531d7007b8f5b56a87dad9b3f13baa7f3ad83183