[INFO] fetching crate coverm 0.5.0...
[INFO] documenting coverm-0.5.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate coverm 0.5.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate coverm 0.5.0 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 coverm 0.5.0
[INFO] finished tweaking crates.io crate coverm 0.5.0
[INFO] tweaked toml for crates.io crate coverm 0.5.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate coverm 0.5.0 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 bird_tool_utils v0.2.0
[INFO] [stderr]   Downloaded rust-htslib v0.32.0
[INFO] [stderr]   Downloaded capnp v0.9.5
[INFO] [stderr]   Downloaded finch v0.3.0
[INFO] [stderr]   Downloaded version-compare v0.0.11
[INFO] [stderr]   Downloaded needletail v0.4.0
[INFO] [stderr]   Downloaded fs-utils v1.1.4
[INFO] [stderr]   Downloaded bio v0.32.0
[INFO] [stderr]   Downloaded partitions v0.2.4
[INFO] [stderr]   Downloaded galah v0.2.0
[INFO] [stderr]   Downloaded checkm v0.1.0
[INFO] [stderr]   Downloaded hts-sys v1.10.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b93d1db9a97900f9e40c88d6271f5f39a014c5a88b74411399ab493214758fb2
[INFO] running `Command { std: "docker" "start" "-a" "b93d1db9a97900f9e40c88d6271f5f39a014c5a88b74411399ab493214758fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b93d1db9a97900f9e40c88d6271f5f39a014c5a88b74411399ab493214758fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b93d1db9a97900f9e40c88d6271f5f39a014c5a88b74411399ab493214758fb2", kill_on_drop: false }`
[INFO] [stdout] b93d1db9a97900f9e40c88d6271f5f39a014c5a88b74411399ab493214758fb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0aa72f90f24136faa950d14453c66cf80db4268173117fbcddddabe23b2d324d
[INFO] running `Command { std: "docker" "start" "-a" "0aa72f90f24136faa950d14453c66cf80db4268173117fbcddddabe23b2d324d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking roff v0.1.0
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]    Compiling bio v0.32.0
[INFO] [stderr]     Checking murmurhash3 v0.0.5
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking version-compare v0.0.10
[INFO] [stderr]     Checking linear-map v1.2.0
[INFO] [stderr]     Checking triple_accel v0.3.2
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]     Checking version-compare v0.0.11
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling fs-utils v1.1.4
[INFO] [stderr]    Compiling bv v0.11.1
[INFO] [stderr]     Checking bird_tool_utils-man v0.4.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking capnp v0.9.5
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling snafu-derive v0.6.8
[INFO] [stderr]    Compiling getset v0.0.9
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking enum-map v0.6.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rayon-core v1.8.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking snafu v0.6.8
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]     Checking rayon v1.4.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking statrs v0.12.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling lzma-sys v0.1.16
[INFO] [stderr]    Compiling libz-sys v1.1.0
[INFO] [stderr]    Compiling hts-sys v1.10.3
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking needletail v0.3.2
[INFO] [stderr]     Checking needletail v0.4.0
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking partitions v0.2.4
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking bio-types v0.7.0
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking multimap v0.8.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rust-htslib v0.32.0
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking checkm v0.1.0
[INFO] [stderr]     Checking bird_tool_utils v0.2.0
[INFO] [stderr]     Checking finch v0.3.0
[INFO] [stderr]     Checking galah v0.2.0
[INFO] [stderr]     Checking coverm v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting coverm v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `Command { std: "docker" "inspect" "0aa72f90f24136faa950d14453c66cf80db4268173117fbcddddabe23b2d324d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aa72f90f24136faa950d14453c66cf80db4268173117fbcddddabe23b2d324d", kill_on_drop: false }`
[INFO] [stdout] 0aa72f90f24136faa950d14453c66cf80db4268173117fbcddddabe23b2d324d