[INFO] cloning repository https://github.com/wonderwoman13/rustbridge-pittsburgh
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wonderwoman13/rustbridge-pittsburgh" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwonderwoman13%2Frustbridge-pittsburgh", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwonderwoman13%2Frustbridge-pittsburgh'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b65a22a680f03fd5d1640f3203bc6156e55a1c02
[INFO] documenting wonderwoman13/rustbridge-pittsburgh 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%2Fwonderwoman13%2Frustbridge-pittsburgh" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wonderwoman13/rustbridge-pittsburgh 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/wonderwoman13/rustbridge-pittsburgh
[INFO] finished tweaking git repo https://github.com/wonderwoman13/rustbridge-pittsburgh
[INFO] tweaked toml for git repo https://github.com/wonderwoman13/rustbridge-pittsburgh written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/wonderwoman13/rustbridge-pittsburgh 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] f40090730971f94ccdbc8a74d285339e42e2a78b19e6b3ee0582134c6bcbe3c8
[INFO] running `Command { std: "docker" "start" "-a" "f40090730971f94ccdbc8a74d285339e42e2a78b19e6b3ee0582134c6bcbe3c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f40090730971f94ccdbc8a74d285339e42e2a78b19e6b3ee0582134c6bcbe3c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f40090730971f94ccdbc8a74d285339e42e2a78b19e6b3ee0582134c6bcbe3c8", kill_on_drop: false }`
[INFO] [stdout] f40090730971f94ccdbc8a74d285339e42e2a78b19e6b3ee0582134c6bcbe3c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] b3da35f0b7d9a3eaf25ebaea23e2e6a4dfcc072daac27d7ecac0156731a5e21d
[INFO] running `Command { std: "docker" "start" "-a" "b3da35f0b7d9a3eaf25ebaea23e2e6a4dfcc072daac27d7ecac0156731a5e21d", kill_on_drop: false }`
[INFO] [stderr]  Documenting rustbridge-pittsburgh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]   --> src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | fn main() {
[INFO] [stdout]    | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 14 | fn main() {
[INFO] [stdout]    | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]   --> src/main.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | fn main() {
[INFO] [stdout]    | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 20 | fn main() {
[INFO] [stdout]    | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]   --> src/main.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | fn main() {
[INFO] [stdout]    | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 35 | fn main() {
[INFO] [stdout]    | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]   --> src/main.rs:50:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | fn main() {
[INFO] [stdout]    | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 50 | fn main () {
[INFO] [stdout]    | ^^^^^^^^^^ `main` redefined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]   --> src/main.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | fn main() {
[INFO] [stdout]    | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 58 | fn main() {
[INFO] [stdout]    | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]   --> src/main.rs:64:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | fn main() {
[INFO] [stdout]    | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 64 | fn main () {
[INFO] [stdout]    | ^^^^^^^^^^ `main` redefined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]   --> src/main.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | fn main() {
[INFO] [stdout]    | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 72 | fn main () {
[INFO] [stdout]    | ^^^^^^^^^^ `main` redefined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]   --> src/main.rs:81:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | fn main() {
[INFO] [stdout]    | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 81 | fn main () {
[INFO] [stdout]    | ^^^^^^^^^^ `main` redefined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]   --> src/main.rs:90:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | fn main() {
[INFO] [stdout]    | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 90 | fn main () {
[INFO] [stdout]    | ^^^^^^^^^^ `main` redefined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:111:1
[INFO] [stdout]     |
[INFO] [stdout] 3   | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 111 | fn main () {
[INFO] [stdout]     | ^^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:127:1
[INFO] [stdout]     |
[INFO] [stdout] 3   | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 127 | fn main () {
[INFO] [stdout]     | ^^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 3   | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 145 | fn main () {
[INFO] [stdout]     | ^^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:160:1
[INFO] [stdout]     |
[INFO] [stdout] 3   | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 160 | fn main () {
[INFO] [stdout]     | ^^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:173:1
[INFO] [stdout]     |
[INFO] [stdout] 3   | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 173 | fn main () {
[INFO] [stdout]     | ^^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:183:1
[INFO] [stdout]     |
[INFO] [stdout] 3   | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 183 | fn main () {
[INFO] [stdout]     | ^^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:198:1
[INFO] [stdout]     |
[INFO] [stdout] 3   | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 198 | fn main () {
[INFO] [stdout]     | ^^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:206:1
[INFO] [stdout]     |
[INFO] [stdout] 3   | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 206 | fn main() {
[INFO] [stdout]     | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:213:1
[INFO] [stdout]     |
[INFO] [stdout] 3   | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 213 | fn main() {
[INFO] [stdout]     | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:226:1
[INFO] [stdout]     |
[INFO] [stdout] 3   | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 226 | fn main() {
[INFO] [stdout]     | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `print_vec` is defined multiple times
[INFO] [stdout]    --> src/main.rs:231:1
[INFO] [stdout]     |
[INFO] [stdout] 220 | fn print_vec(v: Vec<i32>) {
[INFO] [stdout]     | ------------------------- previous definition of the value `print_vec` here
[INFO] [stdout] ...
[INFO] [stdout] 231 | fn print_vec(v: &[i32]) {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^ `print_vec` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `print_vec` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:237:1
[INFO] [stdout]     |
[INFO] [stdout] 3   | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 237 | fn main() {
[INFO] [stdout]     | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `main` is defined multiple times
[INFO] [stdout]    --> src/main.rs:249:1
[INFO] [stdout]     |
[INFO] [stdout] 3   | fn main() {
[INFO] [stdout]     | --------- previous definition of the value `main` here
[INFO] [stdout] ...
[INFO] [stdout] 249 | fn main() {
[INFO] [stdout]     | ^^^^^^^^^ `main` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `main` must be defined only once in the value namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 23 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0428`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `rustbridge-pittsburgh`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name rustbridge_pittsburgh src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "b3da35f0b7d9a3eaf25ebaea23e2e6a4dfcc072daac27d7ecac0156731a5e21d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3da35f0b7d9a3eaf25ebaea23e2e6a4dfcc072daac27d7ecac0156731a5e21d", kill_on_drop: false }`
[INFO] [stdout] b3da35f0b7d9a3eaf25ebaea23e2e6a4dfcc072daac27d7ecac0156731a5e21d