[INFO] fetching crate sub-batch 0.3.0...
[INFO] checking sub-batch-0.3.0 against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] extracting crate sub-batch 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate sub-batch 0.3.0 on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "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-1/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" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c50ce14d352284bdbe37841794bb4c4f263981d5930c60053bb820b97e33729d
[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" "c50ce14d352284bdbe37841794bb4c4f263981d5930c60053bb820b97e33729d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c50ce14d352284bdbe37841794bb4c4f263981d5930c60053bb820b97e33729d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c50ce14d352284bdbe37841794bb4c4f263981d5930c60053bb820b97e33729d", kill_on_drop: false }`
[INFO] [stdout] c50ce14d352284bdbe37841794bb4c4f263981d5930c60053bb820b97e33729d
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "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] e9ba11cf17fdb1572a9dedead36338788393eade80b601c8326c1df342f71d0f
[INFO] running `Command { std: "docker" "start" "-a" "e9ba11cf17fdb1572a9dedead36338788393eade80b601c8326c1df342f71d0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking rustc-demangle v0.1.17
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]     Checking anyhow v1.0.33
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rayon-core v1.8.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking assert_cmd v1.0.1
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.53
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking vobsub v0.2.3
[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 37.99s
[INFO] running `Command { std: "docker" "inspect" "e9ba11cf17fdb1572a9dedead36338788393eade80b601c8326c1df342f71d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9ba11cf17fdb1572a9dedead36338788393eade80b601c8326c1df342f71d0f", kill_on_drop: false }`
[INFO] [stdout] e9ba11cf17fdb1572a9dedead36338788393eade80b601c8326c1df342f71d0f