[INFO] cloning repository https://github.com/petrctl/terman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/petrctl/terman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpetrctl%2Fterman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpetrctl%2Fterman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4688301ead66a7ab9b245130f69a7e457de4f24
[INFO] documenting petrctl/terman against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpetrctl%2Fterman" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/petrctl/terman on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/petrctl/terman
[INFO] finished tweaking git repo https://github.com/petrctl/terman
[INFO] tweaked toml for git repo https://github.com/petrctl/terman written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/petrctl/terman already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pty v0.2.2
[INFO] [stderr]   Downloaded vte v0.8.0
[INFO] [stderr]   Downloaded flagset v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-08-01" "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] 596c3f27188bdaae576ba2e54dd6bea116d0414a926341e4cf92f86965fe3108
[INFO] running `Command { std: "docker" "start" "-a" "596c3f27188bdaae576ba2e54dd6bea116d0414a926341e4cf92f86965fe3108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "596c3f27188bdaae576ba2e54dd6bea116d0414a926341e4cf92f86965fe3108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "596c3f27188bdaae576ba2e54dd6bea116d0414a926341e4cf92f86965fe3108", kill_on_drop: false }`
[INFO] [stdout] 596c3f27188bdaae576ba2e54dd6bea116d0414a926341e4cf92f86965fe3108
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 946be473ec96b6539f1fb3ffe563761cd7b44542e8485d2fe3db07196cad4855
[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" "946be473ec96b6539f1fb3ffe563761cd7b44542e8485d2fe3db07196cad4855", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking flagset v0.3.0
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking errno v0.1.8
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]     Checking simple-logging v2.0.2
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking pty v0.2.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking vte v0.8.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]  Documenting terman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_index_methods)]
[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 `terman`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name terman src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-ef928f5d6a425caf.rmeta --extern base64=/opt/rustwide/target/debug/deps/libbase64-ea7559d52c89b04b.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-7925d1bf53c9b12a.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-be6cb9a7be86933c.rmeta --extern flagset=/opt/rustwide/target/debug/deps/libflagset-527f67e448758beb.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-5531b137f00bb057.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-06746b9dc13c29fa.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-28e9d5e8055afcd0.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-bf063f2f69b69a45.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-08c02c0500d67e6e.rmeta --extern pty=/opt/rustwide/target/debug/deps/libpty-25cbf001d6aa8588.rmeta --extern simple_logging=/opt/rustwide/target/debug/deps/libsimple_logging-bf8dc466b8a86bb5.rmeta --extern termios=/opt/rustwide/target/debug/deps/libtermios-cb89391604c8783a.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-bcbe4c1309581692.rmeta --extern vte=/opt/rustwide/target/debug/deps/libvte-f579edf471e6cdaf.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "946be473ec96b6539f1fb3ffe563761cd7b44542e8485d2fe3db07196cad4855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "946be473ec96b6539f1fb3ffe563761cd7b44542e8485d2fe3db07196cad4855", kill_on_drop: false }`
[INFO] [stdout] 946be473ec96b6539f1fb3ffe563761cd7b44542e8485d2fe3db07196cad4855
