[INFO] fetching crate fritzlogger 0.1.0...
[INFO] documenting fritzlogger-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate fritzlogger 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate fritzlogger 0.1.0 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] removed /workspace/builds/worker-0/source/.cargo/config
[INFO] started tweaking crates.io crate fritzlogger 0.1.0
[INFO] finished tweaking crates.io crate fritzlogger 0.1.0
[INFO] tweaked toml for crates.io crate fritzlogger 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 want v0.2.0
[INFO] [stderr]   Downloaded http-body v0.1.0
[INFO] [stderr]   Downloaded string v0.2.1
[INFO] [stderr]   Downloaded cookie_store v0.7.0
[INFO] [stderr]   Downloaded publicsuffix v1.5.4
[INFO] [stderr]   Downloaded roxmltree v0.6.1
[INFO] [stderr]   Downloaded hyper-tls v0.3.2
[INFO] [stderr]   Downloaded serde_urlencoded v0.5.5
[INFO] [stderr]   Downloaded hyper v0.12.35
[INFO] [stderr]   Downloaded serde-hjson v0.8.2
[INFO] [stderr]   Downloaded config v0.9.3
[INFO] [stderr]   Downloaded h2 v0.1.26
[INFO] [stderr]   Downloaded xmlparser v0.9.0
[INFO] [stderr]   Downloaded reqwest v0.9.24
[INFO] [stderr]   Downloaded rust-ini v0.13.0
[INFO] [stderr]   Downloaded try_from v0.3.2
[INFO] [stderr]   Downloaded serde v0.8.23
[INFO] [stderr]   Downloaded linked-hash-map v0.3.0
[INFO] [stderr]   Downloaded tokio-buf v0.1.1
[INFO] [stderr]   Downloaded once_cell v0.2.4
[INFO] [stderr]   Downloaded serde_test v0.8.23
[INFO] [stderr]   Downloaded md5 v0.6.1
[INFO] [stderr]   Downloaded cookie v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] b38b873ea635c5d28eaf9edf2c7182a6b767b5c34207dd8cc45bea5e3603918a
[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" "b38b873ea635c5d28eaf9edf2c7182a6b767b5c34207dd8cc45bea5e3603918a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b38b873ea635c5d28eaf9edf2c7182a6b767b5c34207dd8cc45bea5e3603918a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b38b873ea635c5d28eaf9edf2c7182a6b767b5c34207dd8cc45bea5e3603918a", kill_on_drop: false }`
[INFO] [stdout] b38b873ea635c5d28eaf9edf2c7182a6b767b5c34207dd8cc45bea5e3603918a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 861a82e048f090db2239c8c3e5d054c70dbc597c1bb9160ffefb2084a58fbe38
[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" "861a82e048f090db2239c8c3e5d054c70dbc597c1bb9160ffefb2084a58fbe38", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking xmlparser v0.9.0
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking once_cell v0.2.4
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking roxmltree v0.6.1
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking config v0.9.3
[INFO] [stderr]  Documenting fritzlogger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.60s
[INFO] running `Command { std: "docker" "inspect" "861a82e048f090db2239c8c3e5d054c70dbc597c1bb9160ffefb2084a58fbe38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "861a82e048f090db2239c8c3e5d054c70dbc597c1bb9160ffefb2084a58fbe38", kill_on_drop: false }`
[INFO] [stdout] 861a82e048f090db2239c8c3e5d054c70dbc597c1bb9160ffefb2084a58fbe38