[INFO] fetching crate sub-batch 0.1.1...
[INFO] documenting sub-batch-0.1.1 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate sub-batch 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sub-batch 0.1.1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sub-batch 0.1.1
[INFO] finished tweaking crates.io crate sub-batch 0.1.1
[INFO] tweaked toml for crates.io crate sub-batch 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate sub-batch 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c3374731f4987f497266ac1d93e49710e7dd07e06073ff178cd6400a44e2258
[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" "5c3374731f4987f497266ac1d93e49710e7dd07e06073ff178cd6400a44e2258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c3374731f4987f497266ac1d93e49710e7dd07e06073ff178cd6400a44e2258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c3374731f4987f497266ac1d93e49710e7dd07e06073ff178cd6400a44e2258", kill_on_drop: false }`
[INFO] [stdout] 5c3374731f4987f497266ac1d93e49710e7dd07e06073ff178cd6400a44e2258
[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" "RUSTDOCFLAGS=--cap-lints=warn" "-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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] b93642e0f253864659a28ed5416d531e728011abd380390bf099f658f59ba32a
[INFO] running `Command { std: "docker" "start" "-a" "b93642e0f253864659a28ed5416d531e728011abd380390bf099f658f59ba32a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]     Checking futures-core v0.3.6
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking futures-sink v0.3.6
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]     Checking nom v2.1.0
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking openssl-sys v0.9.58
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking vobsub v0.2.3
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking subparse v0.6.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]  Documenting sub-batch v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "b93642e0f253864659a28ed5416d531e728011abd380390bf099f658f59ba32a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b93642e0f253864659a28ed5416d531e728011abd380390bf099f658f59ba32a", kill_on_drop: false }`
[INFO] [stdout] b93642e0f253864659a28ed5416d531e728011abd380390bf099f658f59ba32a
