[INFO] cloning repository https://github.com/H2CO3/rustbp_avocado
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/H2CO3/rustbp_avocado" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FH2CO3%2Frustbp_avocado", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FH2CO3%2Frustbp_avocado'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a396ab92281545a85cda4fabf8c53b3a9df60850
[INFO] documenting H2CO3/rustbp_avocado against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FH2CO3%2Frustbp_avocado" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/H2CO3/rustbp_avocado 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 git repo https://github.com/H2CO3/rustbp_avocado
[INFO] finished tweaking git repo https://github.com/H2CO3/rustbp_avocado
[INFO] tweaked toml for git repo https://github.com/H2CO3/rustbp_avocado written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/H2CO3/rustbp_avocado 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 magnet_schema v0.8.0
[INFO] [stderr]   Downloaded backtrace v0.3.14
[INFO] [stderr]   Downloaded constant_time_eq v0.1.3
[INFO] [stderr]   Downloaded syn v0.15.29
[INFO] [stderr]   Downloaded cfg-if v0.1.7
[INFO] [stderr]   Downloaded textnonce v0.6.4
[INFO] [stderr]   Downloaded avocado_derive v0.3.3
[INFO] [stderr]   Downloaded magnet_derive v0.8.0
[INFO] [stderr]   Downloaded serde_derive v1.0.89
[INFO] [stderr]   Downloaded avocado v0.3.3
[INFO] [stderr]   Downloaded cc v1.0.31
[INFO] [stderr]   Downloaded serde v1.0.89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] d69365adb5b947e2f44c17c6047da8040b7175169c16d416851f3ef7a4a04c07
[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" "d69365adb5b947e2f44c17c6047da8040b7175169c16d416851f3ef7a4a04c07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d69365adb5b947e2f44c17c6047da8040b7175169c16d416851f3ef7a4a04c07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d69365adb5b947e2f44c17c6047da8040b7175169c16d416851f3ef7a4a04c07", kill_on_drop: false }`
[INFO] [stdout] d69365adb5b947e2f44c17c6047da8040b7175169c16d416851f3ef7a4a04c07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] aef3bed28365cd01b48d090754199f8407073681915bca1f516422609dbbc49d
[INFO] running `Command { std: "docker" "start" "-a" "aef3bed28365cd01b48d090754199f8407073681915bca1f516422609dbbc49d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.6.2
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking md-5 v0.7.0
[INFO] [stderr]     Checking sha-1 v0.7.0
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking scan_fmt v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling avocado_derive v0.3.3
[INFO] [stderr]    Compiling magnet_derive v0.8.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking uuid v0.7.2
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking bson v0.13.0
[INFO] [stderr]     Checking magnet_schema v0.8.0
[INFO] [stderr]     Checking textnonce v0.6.4
[INFO] [stderr]     Checking mongodb v0.3.12
[INFO] [stderr]     Checking avocado v0.3.3
[INFO] [stderr]  Documenting rustbp_avocado v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "aef3bed28365cd01b48d090754199f8407073681915bca1f516422609dbbc49d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aef3bed28365cd01b48d090754199f8407073681915bca1f516422609dbbc49d", kill_on_drop: false }`
[INFO] [stdout] aef3bed28365cd01b48d090754199f8407073681915bca1f516422609dbbc49d