[INFO] cloning repository https://github.com/Lymia/th_dnh_archiver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lymia/th_dnh_archiver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLymia%2Fth_dnh_archiver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLymia%2Fth_dnh_archiver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3edf70755257e1c0f1d193304f2ce36bd8016d5a
[INFO] documenting Lymia/th_dnh_archiver against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLymia%2Fth_dnh_archiver" "/workspace/builds/worker-59/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-59/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lymia/th_dnh_archiver on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lymia/th_dnh_archiver
[INFO] finished tweaking git repo https://github.com/Lymia/th_dnh_archiver
[INFO] tweaked toml for git repo https://github.com/Lymia/th_dnh_archiver written to /workspace/builds/worker-59/source/Cargo.toml
[INFO] crate git repo https://github.com/Lymia/th_dnh_archiver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b2e6d331ae2452ceea9ed4d29bbd4b53da18acac8e17041aee148c82f24fa48
[INFO] running `Command { std: "docker" "start" "-a" "6b2e6d331ae2452ceea9ed4d29bbd4b53da18acac8e17041aee148c82f24fa48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b2e6d331ae2452ceea9ed4d29bbd4b53da18acac8e17041aee148c82f24fa48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b2e6d331ae2452ceea9ed4d29bbd4b53da18acac8e17041aee148c82f24fa48", kill_on_drop: false }`
[INFO] [stdout] 6b2e6d331ae2452ceea9ed4d29bbd4b53da18acac8e17041aee148c82f24fa48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08ecebb90fcfc796710cc24759fbe71353f22cd926f92aa57f528c82ad873a5b
[INFO] running `Command { std: "docker" "start" "-a" "08ecebb90fcfc796710cc24759fbe71353f22cd926f92aa57f528c82ad873a5b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking rustc-demangle v0.1.8
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking libflate v0.1.14
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking backtrace v0.3.7
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]  Documenting th_dnh_archiver v3.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(nll)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `th_dnh_archiver`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name th_dnh_archiver 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 byteorder=/opt/rustwide/target/debug/deps/libbyteorder-7d732e3ac5dcc3a0.rmeta --extern encoding=/opt/rustwide/target/debug/deps/libencoding-0b10d2f9eabc9d07.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-2142561b92cc665b.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-4b2a5971e089374b.rmeta --extern libflate=/opt/rustwide/target/debug/deps/liblibflate-33684e90ac97bcc0.rmeta --cap-lints=warn --crate-version 3.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "08ecebb90fcfc796710cc24759fbe71353f22cd926f92aa57f528c82ad873a5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08ecebb90fcfc796710cc24759fbe71353f22cd926f92aa57f528c82ad873a5b", kill_on_drop: false }`
[INFO] [stdout] 08ecebb90fcfc796710cc24759fbe71353f22cd926f92aa57f528c82ad873a5b
