[INFO] cloning repository https://github.com/GabbeHags/json-parser-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GabbeHags/json-parser-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabbeHags%2Fjson-parser-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabbeHags%2Fjson-parser-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce115f00c902915fc1bccd90124550423fdf20e8
[INFO] documenting GabbeHags/json-parser-rust against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGabbeHags%2Fjson-parser-rust" "/workspace/builds/worker-33/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GabbeHags/json-parser-rust on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GabbeHags/json-parser-rust
[INFO] finished tweaking git repo https://github.com/GabbeHags/json-parser-rust
[INFO] tweaked toml for git repo https://github.com/GabbeHags/json-parser-rust written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] crate git repo https://github.com/GabbeHags/json-parser-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f40c969e3520ee39a3209edaa0571f4f4e020ee9839e844a966c20f8a821b62
[INFO] running `Command { std: "docker" "start" "-a" "4f40c969e3520ee39a3209edaa0571f4f4e020ee9839e844a966c20f8a821b62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f40c969e3520ee39a3209edaa0571f4f4e020ee9839e844a966c20f8a821b62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f40c969e3520ee39a3209edaa0571f4f4e020ee9839e844a966c20f8a821b62", kill_on_drop: false }`
[INFO] [stdout] 4f40c969e3520ee39a3209edaa0571f4f4e020ee9839e844a966c20f8a821b62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0de6df416725c27db67af3c139b5d316029dfbca78ce9861535cd7e0329da24
[INFO] running `Command { std: "docker" "start" "-a" "b0de6df416725c27db67af3c139b5d316029dfbca78ce9861535cd7e0329da24", kill_on_drop: false }`
[INFO] [stderr]  Documenting json-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `err` should have an upper camel case name
[INFO] [stdout]   --> src/parser.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     err,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case: `Err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` 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 1.07s
[INFO] running `Command { std: "docker" "inspect" "b0de6df416725c27db67af3c139b5d316029dfbca78ce9861535cd7e0329da24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0de6df416725c27db67af3c139b5d316029dfbca78ce9861535cd7e0329da24", kill_on_drop: false }`
[INFO] [stdout] b0de6df416725c27db67af3c139b5d316029dfbca78ce9861535cd7e0329da24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] f3fdd243ab6954e45c1665b192637dfdb94f189fc62fe4734cf6b95bdbc00ee6
[INFO] running `Command { std: "docker" "start" "-a" "f3fdd243ab6954e45c1665b192637dfdb94f189fc62fe4734cf6b95bdbc00ee6", kill_on_drop: false }`
[INFO] [stderr]  Documenting json-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `err` should have an upper camel case name
[INFO] [stdout]   --> src/parser.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     err,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case: `Err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` 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 0.80s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "f3fdd243ab6954e45c1665b192637dfdb94f189fc62fe4734cf6b95bdbc00ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3fdd243ab6954e45c1665b192637dfdb94f189fc62fe4734cf6b95bdbc00ee6", kill_on_drop: false }`
[INFO] [stdout] f3fdd243ab6954e45c1665b192637dfdb94f189fc62fe4734cf6b95bdbc00ee6