[INFO] fetching crate term_fb 0.0.1...
[INFO] documenting term_fb-0.0.1 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate term_fb 0.0.1 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate term_fb 0.0.1 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 crates.io crate term_fb 0.0.1
[INFO] finished tweaking crates.io crate term_fb 0.0.1
[INFO] tweaked toml for crates.io crate term_fb 0.0.1 written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--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-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] [stdout] 122c9f90dc7a5a6c530db16d95f900c861b887481b5d7c94440880dbfd3f8882
[INFO] running `Command { std: "docker" "start" "-a" "122c9f90dc7a5a6c530db16d95f900c861b887481b5d7c94440880dbfd3f8882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "122c9f90dc7a5a6c530db16d95f900c861b887481b5d7c94440880dbfd3f8882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "122c9f90dc7a5a6c530db16d95f900c861b887481b5d7c94440880dbfd3f8882", kill_on_drop: false }`
[INFO] [stdout] 122c9f90dc7a5a6c530db16d95f900c861b887481b5d7c94440880dbfd3f8882
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] d1997e65081349e17eb911cb3e59b65b29530264ec44426a9ca29e7f7f37b032
[INFO] running `Command { std: "docker" "start" "-a" "d1997e65081349e17eb911cb3e59b65b29530264ec44426a9ca29e7f7f37b032", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]     Checking spin_sleep v0.3.7
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]  Documenting term_fb v0.0.1 (/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(duration_float)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(range_contains)]
[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] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `term_fb`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name term_fb 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 crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-4355e0ce6615b706.rmeta --extern itoa=/opt/rustwide/target/debug/deps/libitoa-a327e6296b20b37e.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-34f3b748d9af774b.rmeta --extern ryu=/opt/rustwide/target/debug/deps/libryu-6e3a6c9fbf41efa3.rmeta --extern spin_sleep=/opt/rustwide/target/debug/deps/libspin_sleep-98758562224e3716.rmeta --extern termios=/opt/rustwide/target/debug/deps/libtermios-4e01a677905602a6.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-e9779f261159561f.rmeta --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d1997e65081349e17eb911cb3e59b65b29530264ec44426a9ca29e7f7f37b032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1997e65081349e17eb911cb3e59b65b29530264ec44426a9ca29e7f7f37b032", kill_on_drop: false }`
[INFO] [stdout] d1997e65081349e17eb911cb3e59b65b29530264ec44426a9ca29e7f7f37b032
