[INFO] fetching crate asciitool 0.1.0...
[INFO] documenting asciitool-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate asciitool 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate asciitool 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] started tweaking crates.io crate asciitool 0.1.0
[INFO] finished tweaking crates.io crate asciitool 0.1.0
[INFO] tweaked toml for crates.io crate asciitool 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate asciitool 0.1.0 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 roff v0.1.0
[INFO] [stderr]   Downloaded man v0.3.0
[INFO] [stderr]   Downloaded clt v0.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 21b7336841c4c640d20e4c5d04147004261f9f0d620ee73e004f4d2063d3b646
[INFO] running `Command { std: "docker" "start" "-a" "21b7336841c4c640d20e4c5d04147004261f9f0d620ee73e004f4d2063d3b646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21b7336841c4c640d20e4c5d04147004261f9f0d620ee73e004f4d2063d3b646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21b7336841c4c640d20e4c5d04147004261f9f0d620ee73e004f4d2063d3b646", kill_on_drop: false }`
[INFO] [stdout] 21b7336841c4c640d20e4c5d04147004261f9f0d620ee73e004f4d2063d3b646
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 5fab6c20b372fbe4ae255088e8150444e02324d166d3c9187f39a7be5f0e14df
[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" "5fab6c20b372fbe4ae255088e8150444e02324d166d3c9187f39a7be5f0e14df", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking roff v0.1.0
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.10
[INFO] [stderr]     Checking man v0.3.0
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking clt v0.0.6
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking config v0.9.3
[INFO] [stderr]  Documenting asciitool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.68s
[INFO] running `Command { std: "docker" "inspect" "5fab6c20b372fbe4ae255088e8150444e02324d166d3c9187f39a7be5f0e14df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fab6c20b372fbe4ae255088e8150444e02324d166d3c9187f39a7be5f0e14df", kill_on_drop: false }`
[INFO] [stdout] 5fab6c20b372fbe4ae255088e8150444e02324d166d3c9187f39a7be5f0e14df