[INFO] cloning repository https://github.com/tonyastolfi/libflate_panic_bug_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tonyastolfi/libflate_panic_bug_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonyastolfi%2Flibflate_panic_bug_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonyastolfi%2Flibflate_panic_bug_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34793a757dd51ed527a78bc08a4cd57f0a81db55
[INFO] documenting tonyastolfi/libflate_panic_bug_example 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%2Ftonyastolfi%2Flibflate_panic_bug_example" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tonyastolfi/libflate_panic_bug_example 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/tonyastolfi/libflate_panic_bug_example
[INFO] finished tweaking git repo https://github.com/tonyastolfi/libflate_panic_bug_example
[INFO] tweaked toml for git repo https://github.com/tonyastolfi/libflate_panic_bug_example written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/tonyastolfi/libflate_panic_bug_example 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 libflate_lz77 v1.0.0
[INFO] [stderr]   Downloaded libflate v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] fea58f487f68af3799554ad21cfb385e1a3a3eb2c11b8962de13c3d78f5bbce1
[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" "fea58f487f68af3799554ad21cfb385e1a3a3eb2c11b8962de13c3d78f5bbce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fea58f487f68af3799554ad21cfb385e1a3a3eb2c11b8962de13c3d78f5bbce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fea58f487f68af3799554ad21cfb385e1a3a3eb2c11b8962de13c3d78f5bbce1", kill_on_drop: false }`
[INFO] [stdout] fea58f487f68af3799554ad21cfb385e1a3a3eb2c11b8962de13c3d78f5bbce1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] ebf1d1c8901eb87b6a17ccac0bfa5e58e6882c0ab24ca6b43b7a6ad48dacb12e
[INFO] running `Command { std: "docker" "start" "-a" "ebf1d1c8901eb87b6a17ccac0bfa5e58e6882c0ab24ca6b43b7a6ad48dacb12e", kill_on_drop: false }`
[INFO] [stderr]     Checking libflate_lz77 v1.0.0
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking libflate v1.0.1
[INFO] [stderr]  Documenting bug_repro_case v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.34s
[INFO] running `Command { std: "docker" "inspect" "ebf1d1c8901eb87b6a17ccac0bfa5e58e6882c0ab24ca6b43b7a6ad48dacb12e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebf1d1c8901eb87b6a17ccac0bfa5e58e6882c0ab24ca6b43b7a6ad48dacb12e", kill_on_drop: false }`
[INFO] [stdout] ebf1d1c8901eb87b6a17ccac0bfa5e58e6882c0ab24ca6b43b7a6ad48dacb12e