[INFO] cloning repository https://github.com/johnabs/stegr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnabs/stegr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnabs%2Fstegr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnabs%2Fstegr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed9038006ccd611454ec09bf87f852ef97fff761
[INFO] documenting johnabs/stegr against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnabs%2Fstegr" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johnabs/stegr on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/johnabs/stegr
[INFO] finished tweaking git repo https://github.com/johnabs/stegr
[INFO] tweaked toml for git repo https://github.com/johnabs/stegr written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/johnabs/stegr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.47.0" "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] 87c85631fc86191a4ea906e5c2ff4ec8526ec586c3666690eccaf20e8ffa25b6
[INFO] running `Command { std: "docker" "start" "-a" "87c85631fc86191a4ea906e5c2ff4ec8526ec586c3666690eccaf20e8ffa25b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87c85631fc86191a4ea906e5c2ff4ec8526ec586c3666690eccaf20e8ffa25b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c85631fc86191a4ea906e5c2ff4ec8526ec586c3666690eccaf20e8ffa25b6", kill_on_drop: false }`
[INFO] [stdout] 87c85631fc86191a4ea906e5c2ff4ec8526ec586c3666690eccaf20e8ffa25b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 786544cb3f4a0dbe9b56c915aecf6bc085dea0073b59ed0e0f393c7ebb5b6014
[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" "786544cb3f4a0dbe9b56c915aecf6bc085dea0073b59ed0e0f393c7ebb5b6014", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking base64 v0.2.1
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking twofish v0.2.0
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling hex-literal-impl v0.2.1
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]  Documenting stegr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unknown format trait `u8`
[INFO] [stdout]   --> src/encode.rs:83:29
[INFO] [stdout]    |
[INFO] [stdout] 83 |         outstr = format!("{:u8}",) ;
[INFO] [stdout]    |                             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the only appropriate formatting traits are:
[INFO] [stdout]            - ``, which uses the `Display` trait
[INFO] [stdout]            - `?`, which uses the `Debug` trait
[INFO] [stdout]            - `e`, which uses the `LowerExp` trait
[INFO] [stdout]            - `E`, which uses the `UpperExp` trait
[INFO] [stdout]            - `o`, which uses the `Octal` trait
[INFO] [stdout]            - `p`, which uses the `Pointer` trait
[INFO] [stdout]            - `b`, which uses the `Binary` trait
[INFO] [stdout]            - `x`, which uses the `LowerHex` trait
[INFO] [stdout]            - `X`, which uses the `UpperHex` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 1 positional argument in format string, but no arguments were given
[INFO] [stdout]   --> src/encode.rs:83:27
[INFO] [stdout]    |
[INFO] [stdout] 83 |         outstr = format!("{:u8}",) ;
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `stegr`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name stegr 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 aes=/opt/rustwide/target/debug/deps/libaes-51418564330e6d39.rmeta --extern base64=/opt/rustwide/target/debug/deps/libbase64-eb7be9ed78910129.rmeta --extern block_modes=/opt/rustwide/target/debug/deps/libblock_modes-c4ae7354c4ae0b74.rmeta --extern hex_literal=/opt/rustwide/target/debug/deps/libhex_literal-e6b8fd38ba4fe088.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-5bf71a5b0be60a81.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-d288794cab9d8a22.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-ac7b165a0b713937.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-223f816818934cd9.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-5fe9ce69b0555c56.rmeta --extern twofish=/opt/rustwide/target/debug/deps/libtwofish-3e037809f5be994a.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "786544cb3f4a0dbe9b56c915aecf6bc085dea0073b59ed0e0f393c7ebb5b6014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "786544cb3f4a0dbe9b56c915aecf6bc085dea0073b59ed0e0f393c7ebb5b6014", kill_on_drop: false }`
[INFO] [stdout] 786544cb3f4a0dbe9b56c915aecf6bc085dea0073b59ed0e0f393c7ebb5b6014
