[INFO] cloning repository https://github.com/sts10/medic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sts10/medic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsts10%2Fmedic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsts10%2Fmedic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b43e6fd7328709588d8befb4b4fedf01f32b763
[INFO] documenting sts10/medic against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsts10%2Fmedic" "/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/sts10/medic on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sts10/medic
[INFO] finished tweaking git repo https://github.com/sts10/medic
[INFO] tweaked toml for git repo https://github.com/sts10/medic written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/sts10/medic already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39dc2f27c3eac2fdeeacece841f1740bf1bd8d000560796071939f1c36e0240d
[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" "39dc2f27c3eac2fdeeacece841f1740bf1bd8d000560796071939f1c36e0240d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39dc2f27c3eac2fdeeacece841f1740bf1bd8d000560796071939f1c36e0240d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39dc2f27c3eac2fdeeacece841f1740bf1bd8d000560796071939f1c36e0240d", kill_on_drop: false }`
[INFO] [stdout] 39dc2f27c3eac2fdeeacece841f1740bf1bd8d000560796071939f1c36e0240d
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72191fca1efd3dd823907056e8a2150edd147f2b028001ea1395f9d53fd352a7
[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" "72191fca1efd3dd823907056e8a2150edd147f2b028001ea1395f9d53fd352a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking tracing-core v0.1.12
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking xml-rs v0.6.1
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking crc32fast v1.1.2
[INFO] [stderr]     Checking encoding_rs v0.8.14
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking serde_json v1.0.36
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking miniz-sys v0.1.11
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking secstr v0.3.1
[INFO] [stderr]     Checking rpassword v4.0.5
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking mime v0.3.13
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking flate2 v1.0.8
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking tracing v0.1.18
[INFO] [stderr]     Checking fancy-regex v0.3.5
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking salsa20-core v0.2.2
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stderr]     Checking twofish v0.2.0
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking mime_guess v2.0.3
[INFO] [stderr]     Checking salsa20 v0.3.0
[INFO] [stderr]     Checking chacha20 v0.2.3
[INFO] [stderr]     Checking rust-argon2 v0.8.2
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.7
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling hex-literal-impl v0.2.0
[INFO] [stderr]     Checking hex-literal v0.2.0
[INFO] [stderr]     Checking keepass v0.4.6
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking zxcvbn v2.0.1
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]  Documenting medic v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "72191fca1efd3dd823907056e8a2150edd147f2b028001ea1395f9d53fd352a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72191fca1efd3dd823907056e8a2150edd147f2b028001ea1395f9d53fd352a7", kill_on_drop: false }`
[INFO] [stdout] 72191fca1efd3dd823907056e8a2150edd147f2b028001ea1395f9d53fd352a7