[INFO] fetching crate cargo-tarpaulin 0.14.2...
[INFO] documenting cargo-tarpaulin-0.14.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate cargo-tarpaulin 0.14.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate cargo-tarpaulin 0.14.2 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 cargo-tarpaulin 0.14.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cargo-tarpaulin 0.14.2
[INFO] tweaked toml for crates.io crate cargo-tarpaulin 0.14.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate cargo-tarpaulin 0.14.2 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded coveralls-api v0.5.0
[INFO] [stderr]   Downloaded humantime-serde v1.0.0
[INFO] [stderr]   Downloaded wasmparser v0.57.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 41cf2f3a2fd2401322d4093b27baedb02dbf462bcf8e0536f2f948d1841e42ce
[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" "41cf2f3a2fd2401322d4093b27baedb02dbf462bcf8e0536f2f948d1841e42ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41cf2f3a2fd2401322d4093b27baedb02dbf462bcf8e0536f2f948d1841e42ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41cf2f3a2fd2401322d4093b27baedb02dbf462bcf8e0536f2f948d1841e42ce", kill_on_drop: false }`
[INFO] [stdout] 41cf2f3a2fd2401322d4093b27baedb02dbf462bcf8e0536f2f948d1841e42ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 90438b9b96783bceed6e612e645dccfbffbecafbb58d46a3d222fc85a1a5c151
[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" "90438b9b96783bceed6e612e645dccfbffbecafbb58d46a3d222fc85a1a5c151", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling curl v0.4.29
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking wasmparser v0.57.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking quick-xml v0.18.1
[INFO] [stderr]     Checking gzip-header v0.3.0
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling curl-sys v0.4.31+curl-7.70.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.17
[INFO] [stderr]    Compiling libgit2-sys v0.12.7+1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking git2 v0.13.6
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking humantime-serde v1.0.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking cargo_metadata v0.10.0
[INFO] [stderr]     Checking coveralls-api v0.5.0
[INFO] [stderr]    Compiling cargo-tarpaulin v0.14.2 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting cargo-tarpaulin v0.14.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 01s
[INFO] running `Command { std: "docker" "inspect" "90438b9b96783bceed6e612e645dccfbffbecafbb58d46a3d222fc85a1a5c151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90438b9b96783bceed6e612e645dccfbffbecafbb58d46a3d222fc85a1a5c151", kill_on_drop: false }`
[INFO] [stdout] 90438b9b96783bceed6e612e645dccfbffbecafbb58d46a3d222fc85a1a5c151