[INFO] cloning repository https://github.com/radix/safelisprs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/radix/safelisprs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fradix%2Fsafelisprs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fradix%2Fsafelisprs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15d26349bd0f1c8f0731be2b35b548c79a4ccd90
[INFO] documenting radix/safelisprs 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%2Fradix%2Fsafelisprs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/radix/safelisprs 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/radix/safelisprs
[INFO] finished tweaking git repo https://github.com/radix/safelisprs
[INFO] tweaked toml for git repo https://github.com/radix/safelisprs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/radix/safelisprs 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 unescape v0.1.0
[INFO] [stderr]   Downloaded serde_yaml v0.8.1
[INFO] [stderr]   Downloaded atoms v2.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 1ecc23845012976e91dd9880554820760100804a51a34466c2b76ae287b270fd
[INFO] running `Command { std: "docker" "start" "-a" "1ecc23845012976e91dd9880554820760100804a51a34466c2b76ae287b270fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ecc23845012976e91dd9880554820760100804a51a34466c2b76ae287b270fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ecc23845012976e91dd9880554820760100804a51a34466c2b76ae287b270fd", kill_on_drop: false }`
[INFO] [stdout] 1ecc23845012976e91dd9880554820760100804a51a34466c2b76ae287b270fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 4e2b30a269279f9724c10c9eb1359e232f24ab3946b415a86343c50308d3b4ec
[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" "4e2b30a269279f9724c10c9eb1359e232f24ab3946b415a86343c50308d3b4ec", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.13
[INFO] [stderr]    Compiling cc v1.0.23
[INFO] [stderr]    Compiling serde v1.0.75
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking unescape v0.1.0
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking maplit v1.0.1
[INFO] [stderr]     Checking atoms v2.2.3
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.75
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]     Checking serde_yaml v0.8.1
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking safelisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting safelisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `parser` is imported redundantly
[INFO] [stdout]    --> src/compiler.rs:395:7
[INFO] [stdout]     |
[INFO] [stdout] 3   | use parser::{self, Identifier, AST};
[INFO] [stdout]     |              ---- the item `parser` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 395 |   use parser;
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.45s
[INFO] running `Command { std: "docker" "inspect" "4e2b30a269279f9724c10c9eb1359e232f24ab3946b415a86343c50308d3b4ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e2b30a269279f9724c10c9eb1359e232f24ab3946b415a86343c50308d3b4ec", kill_on_drop: false }`
[INFO] [stdout] 4e2b30a269279f9724c10c9eb1359e232f24ab3946b415a86343c50308d3b4ec