[INFO] cloning repository https://github.com/makslevental/pg_dump_restore_tui
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/makslevental/pg_dump_restore_tui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmakslevental%2Fpg_dump_restore_tui", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmakslevental%2Fpg_dump_restore_tui'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd21f9e82e483083611a9fc4fd2475fc82060f27
[INFO] documenting makslevental/pg_dump_restore_tui against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmakslevental%2Fpg_dump_restore_tui" "/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/makslevental/pg_dump_restore_tui on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/makslevental/pg_dump_restore_tui
[INFO] finished tweaking git repo https://github.com/makslevental/pg_dump_restore_tui
[INFO] tweaked toml for git repo https://github.com/makslevental/pg_dump_restore_tui written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/makslevental/pg_dump_restore_tui already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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] 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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e65be6761d7c39538a32588a7828e5872b240a115c966afa3f5c1473bc47c111
[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" "e65be6761d7c39538a32588a7828e5872b240a115c966afa3f5c1473bc47c111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e65be6761d7c39538a32588a7828e5872b240a115c966afa3f5c1473bc47c111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e65be6761d7c39538a32588a7828e5872b240a115c966afa3f5c1473bc47c111", kill_on_drop: false }`
[INFO] [stdout] e65be6761d7c39538a32588a7828e5872b240a115c966afa3f5c1473bc47c111
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 426fa04111d62686ed6a54ba599bcf8443d6ee780bf8c92483b545568ae8eaf1
[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" "426fa04111d62686ed6a54ba599bcf8443d6ee780bf8c92483b545568ae8eaf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling pkg-config v0.3.12
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]     Checking crossbeam-utils v0.4.1
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]     Checking array-macro v1.0.2
[INFO] [stderr]     Checking reexport-proc-macro v1.0.5
[INFO] [stderr]     Checking arc-swap v0.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]     Checking xi-unicode v0.1.0
[INFO] [stderr]     Checking maplit v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]     Checking rand v0.5.4
[INFO] [stderr]     Checking smallvec v0.6.3
[INFO] [stderr]     Checking signal-hook v0.1.2
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking aho-corasick v0.6.6
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]    Compiling ncurses v5.93.0
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking crossbeam-epoch v0.5.1
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking crossbeam-channel v0.2.3
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking enumset v0.3.11
[INFO] [stderr]     Checking chrono v0.4.5
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling enum-map-derive v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking enum-map v0.4.1
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking cursive v0.9.0
[INFO] [stderr]  Documenting tui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(try_trait)]
[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 `tui`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name tui 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 chrono=/opt/rustwide/target/debug/deps/libchrono-7fe12b4f3ff97005.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-f7bdb3a7ac8c2ce7.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-ff9017201a5b4e88.rmeta --extern cursive=/opt/rustwide/target/debug/deps/libcursive-df7a3959fcb5dde7.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-bd0087544095cdce.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-aa821bede0e4e1c9.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-477163df84742557.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-fd0455bae8900ea7.so --extern toml=/opt/rustwide/target/debug/deps/libtoml-26ff285f27910bc0.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "426fa04111d62686ed6a54ba599bcf8443d6ee780bf8c92483b545568ae8eaf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "426fa04111d62686ed6a54ba599bcf8443d6ee780bf8c92483b545568ae8eaf1", kill_on_drop: false }`
[INFO] [stdout] 426fa04111d62686ed6a54ba599bcf8443d6ee780bf8c92483b545568ae8eaf1