[INFO] cloning repository https://github.com/mrzombi3/rustlingspractice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrzombi3/rustlingspractice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrzombi3%2Frustlingspractice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrzombi3%2Frustlingspractice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40a52a65327db774f483d80ee25392db4540b860
[INFO] documenting mrzombi3/rustlingspractice against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrzombi3%2Frustlingspractice" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mrzombi3/rustlingspractice on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mrzombi3/rustlingspractice
[INFO] finished tweaking git repo https://github.com/mrzombi3/rustlingspractice
[INFO] tweaked toml for git repo https://github.com/mrzombi3/rustlingspractice written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mrzombi3/rustlingspractice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clicolors-control v0.2.0
[INFO] [stderr]   Downloaded notify v4.0.12
[INFO] [stderr]   Downloaded console v0.6.2
[INFO] [stderr]   Downloaded indicatif v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcf1cdfcd406fce0634822da9166b7f9cc6acad609ec9714823187e22cd00877
[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" "bcf1cdfcd406fce0634822da9166b7f9cc6acad609ec9714823187e22cd00877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcf1cdfcd406fce0634822da9166b7f9cc6acad609ec9714823187e22cd00877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcf1cdfcd406fce0634822da9166b7f9cc6acad609ec9714823187e22cd00877", kill_on_drop: false }`
[INFO] [stdout] bcf1cdfcd406fce0634822da9166b7f9cc6acad609ec9714823187e22cd00877
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b10c057c32dda7d1265b99d10f2a59abf6acd16634237faefb1bc71ae176a465
[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" "b10c057c32dda7d1265b99d10f2a59abf6acd16634237faefb1bc71ae176a465", kill_on_drop: false }`
[INFO] [stderr]     Checking clicolors-control v0.2.0
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking console v0.7.5
[INFO] [stderr]     Checking console v0.6.2
[INFO] [stderr]     Checking notify v4.0.12
[INFO] [stderr]     Checking indicatif v0.9.0
[INFO] [stderr]  Documenting rustlings v1.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read src/main.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rustlings`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name rustlings 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 --extern clap=/opt/rustwide/target/debug/deps/libclap-e484c35e31e1311c.rmeta --extern console=/opt/rustwide/target/debug/deps/libconsole-d1af8e9cfacb8855.rmeta --extern indicatif=/opt/rustwide/target/debug/deps/libindicatif-3dd495367554f496.rmeta --extern notify=/opt/rustwide/target/debug/deps/libnotify-85ed6913fdf7fed4.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-9723b649bae9fc6a.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-7c67b960422c459e.rmeta --cap-lints=warn --crate-version 1.4.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "b10c057c32dda7d1265b99d10f2a59abf6acd16634237faefb1bc71ae176a465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b10c057c32dda7d1265b99d10f2a59abf6acd16634237faefb1bc71ae176a465", kill_on_drop: false }`
[INFO] [stdout] b10c057c32dda7d1265b99d10f2a59abf6acd16634237faefb1bc71ae176a465
