[INFO] fetching crate mlc 0.13.4...
[INFO] documenting mlc-0.13.4 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate mlc 0.13.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mlc 0.13.4 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mlc 0.13.4
[INFO] finished tweaking crates.io crate mlc 0.13.4
[INFO] tweaked toml for crates.io crate mlc 0.13.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate mlc 0.13.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ntest_proc_macro_helper v0.7.1
[INFO] [stderr]   Downloaded ntest_test_cases v0.7.1
[INFO] [stderr]   Downloaded ntest v0.7.1
[INFO] [stderr]   Downloaded ntest_timeout v0.7.1
[INFO] [stderr]   Downloaded wildmatch v1.0.11
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 852561434ae5494418f7d8b560e7681c923ed9e84ba8d2a246668a058295a7cf
[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" "852561434ae5494418f7d8b560e7681c923ed9e84ba8d2a246668a058295a7cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "852561434ae5494418f7d8b560e7681c923ed9e84ba8d2a246668a058295a7cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "852561434ae5494418f7d8b560e7681c923ed9e84ba8d2a246668a058295a7cf", kill_on_drop: false }`
[INFO] [stdout] 852561434ae5494418f7d8b560e7681c923ed9e84ba8d2a246668a058295a7cf
[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" "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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66c308fcb177ddea3fa955da31a3395281b3a2bd5b15f74e4a78061dbc55fe02
[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" "66c308fcb177ddea3fa955da31a3395281b3a2bd5b15f74e4a78061dbc55fe02", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking parking v1.0.4
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking fastrand v1.3.3
[INFO] [stderr]     Checking wildmatch v1.0.11
[INFO] [stderr]    Compiling openssl-src v111.6.0+1.1.1d
[INFO] [stderr]     Checking concurrent-queue v1.1.1
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking simplelog v0.6.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking blocking v0.4.6
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking async-std v1.6.2
[INFO] [stderr]     Checking hyper v0.13.5
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.6
[INFO] [stderr]  Documenting mlc v0.13.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 36s
[INFO] running `Command { std: "docker" "inspect" "66c308fcb177ddea3fa955da31a3395281b3a2bd5b15f74e4a78061dbc55fe02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66c308fcb177ddea3fa955da31a3395281b3a2bd5b15f74e4a78061dbc55fe02", kill_on_drop: false }`
[INFO] [stdout] 66c308fcb177ddea3fa955da31a3395281b3a2bd5b15f74e4a78061dbc55fe02