[INFO] cloning repository https://github.com/mambisi/escanor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mambisi/escanor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmambisi%2Fescanor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmambisi%2Fescanor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4441569adb2d76f5bd8144004a3d4cda5b3033ec
[INFO] documenting mambisi/escanor 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%2Fmambisi%2Fescanor" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mambisi/escanor 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/mambisi/escanor
[INFO] finished tweaking git repo https://github.com/mambisi/escanor
[INFO] tweaked toml for git repo https://github.com/mambisi/escanor written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mambisi/escanor 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] e927141cbf8de6666394445601e3657517c1702e42cbf9d1b1fb2da6db7aecee
[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" "e927141cbf8de6666394445601e3657517c1702e42cbf9d1b1fb2da6db7aecee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e927141cbf8de6666394445601e3657517c1702e42cbf9d1b1fb2da6db7aecee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e927141cbf8de6666394445601e3657517c1702e42cbf9d1b1fb2da6db7aecee", kill_on_drop: false }`
[INFO] [stdout] e927141cbf8de6666394445601e3657517c1702e42cbf9d1b1fb2da6db7aecee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] e1a12b28b88a03b79a634ae521cc27b9746ebcf2ef50ae3a9cf6c8d546af4eec
[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" "e1a12b28b88a03b79a634ae521cc27b9746ebcf2ef50ae3a9cf6c8d546af4eec", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling crc16 v0.3.4
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking hashbag v0.1.2
[INFO] [stderr]     Checking cookie-factory v0.2.4
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking pdqselect v0.1.0
[INFO] [stderr]     Checking array_tool v1.0.3
[INFO] [stderr]     Checking resp v0.3.7
[INFO] [stderr]     Checking cookie-factory v0.3.1
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking app_dirs2 v2.0.4
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking evmap v9.0.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]    Compiling lexical-core v0.6.2
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking geo-types v0.4.3
[INFO] [stderr]     Checking rstar v0.7.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking nanoid v0.3.0
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking console v0.10.0
[INFO] [stderr]     Checking smallstr v0.1.0
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking backtrace v0.3.41
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.3.2
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]     Checking redis-protocol v1.0.0 (https://github.com/kevinmo13/redis-protocol.rs.git#70a1ef13)
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling terminfo v0.6.1
[INFO] [stderr]     Checking tungstenite v0.10.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking mortal v0.2.1
[INFO] [stderr]     Checking tokio v0.2.15
[INFO] [stderr]     Checking linefeed v0.6.0
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking geohash v0.9.0
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking multimap v0.8.1
[INFO] [stderr]     Checking dashmap v3.11.0
[INFO] [stderr]     Checking rmp-serde v0.14.3
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking json_dotpath v1.0.2
[INFO] [stderr]     Checking colored_json v2.1.0
[INFO] [stderr]     Checking jsonpath_lib v0.2.4
[INFO] [stderr]     Checking escanor v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting escanor v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `next_char` is never read
[INFO] [stdout]   --> src/common/parser.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut next_char = '\0';
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prev_char` is never read
[INFO] [stdout]   --> src/common/parser.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut prev_char = '\0';
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `Command { std: "docker" "inspect" "e1a12b28b88a03b79a634ae521cc27b9746ebcf2ef50ae3a9cf6c8d546af4eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1a12b28b88a03b79a634ae521cc27b9746ebcf2ef50ae3a9cf6c8d546af4eec", kill_on_drop: false }`
[INFO] [stdout] e1a12b28b88a03b79a634ae521cc27b9746ebcf2ef50ae3a9cf6c8d546af4eec