[INFO] fetching crate snare 0.4.0...
[INFO] documenting snare-0.4.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate snare 0.4.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate snare 0.4.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snare 0.4.0
[INFO] finished tweaking crates.io crate snare 0.4.0
[INFO] tweaked toml for crates.io crate snare 0.4.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate snare 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bb0360cb0a7b433843ae652ec68811d6e00baecbe38fdec2f772dd8e2f2a3ea
[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" "9bb0360cb0a7b433843ae652ec68811d6e00baecbe38fdec2f772dd8e2f2a3ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bb0360cb0a7b433843ae652ec68811d6e00baecbe38fdec2f772dd8e2f2a3ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bb0360cb0a7b433843ae652ec68811d6e00baecbe38fdec2f772dd8e2f2a3ea", kill_on_drop: false }`
[INFO] [stdout] 9bb0360cb0a7b433843ae652ec68811d6e00baecbe38fdec2f772dd8e2f2a3ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d4db25afe88aa6b1ff86b971f64f44765c37c1990c496afa3a5ecaf63a1c5ad
[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" "9d4db25afe88aa6b1ff86b971f64f44765c37c1990c496afa3a5ecaf63a1c5ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling macro-attr v0.2.0
[INFO] [stderr]    Compiling cactus v1.0.5
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling bstr v0.2.12
[INFO] [stderr]    Compiling vob v2.0.4
[INFO] [stderr]    Compiling rmp v0.8.9
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]    Compiling globset v0.4.5
[INFO] [stderr]    Compiling ignore v0.4.14
[INFO] [stderr]    Compiling rerun_except v0.1.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking filetime v0.2.9
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking secstr v0.4.0
[INFO] [stderr]     Checking users v0.10.0
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling vergen v3.1.0
[INFO] [stderr]    Compiling lrpar v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling typename_derive v0.1.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.9
[INFO] [stderr]    Compiling typename v0.1.2
[INFO] [stderr]     Checking tokio v0.2.20
[INFO] [stderr]     Checking pin-project v0.4.9
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.4
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking hyper v0.13.5
[INFO] [stderr]    Compiling packedvec v1.2.2
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling rmp-serde v0.14.3
[INFO] [stderr]    Compiling cfgrammar v0.7.0
[INFO] [stderr]    Compiling sparsevec v0.1.3
[INFO] [stderr]    Compiling lrtable v0.7.0
[INFO] [stderr]    Compiling lrlex v0.7.0
[INFO] [stderr]    Compiling snare v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting snare v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 42s
[INFO] running `Command { std: "docker" "inspect" "9d4db25afe88aa6b1ff86b971f64f44765c37c1990c496afa3a5ecaf63a1c5ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d4db25afe88aa6b1ff86b971f64f44765c37c1990c496afa3a5ecaf63a1c5ad", kill_on_drop: false }`
[INFO] [stdout] 9d4db25afe88aa6b1ff86b971f64f44765c37c1990c496afa3a5ecaf63a1c5ad