[INFO] cloning repository https://github.com/CircuitCoder/stammer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CircuitCoder/stammer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCircuitCoder%2Fstammer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCircuitCoder%2Fstammer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3a1d5dc7ad3e2cc6aa56b6c2bf524a62bd488ed
[INFO] documenting CircuitCoder/stammer against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCircuitCoder%2Fstammer" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CircuitCoder/stammer on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CircuitCoder/stammer
[INFO] disabled cargo feature 'default-run' from git repo https://github.com/CircuitCoder/stammer
[INFO] finished tweaking git repo https://github.com/CircuitCoder/stammer
[INFO] tweaked toml for git repo https://github.com/CircuitCoder/stammer written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/CircuitCoder/stammer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 003f8785e4693e94c392acf8e83b416f45dae9ee0f17aa0522c16d65abe2cba0
[INFO] running `Command { std: "docker" "start" "-a" "003f8785e4693e94c392acf8e83b416f45dae9ee0f17aa0522c16d65abe2cba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "003f8785e4693e94c392acf8e83b416f45dae9ee0f17aa0522c16d65abe2cba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "003f8785e4693e94c392acf8e83b416f45dae9ee0f17aa0522c16d65abe2cba0", kill_on_drop: false }`
[INFO] [stdout] 003f8785e4693e94c392acf8e83b416f45dae9ee0f17aa0522c16d65abe2cba0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ba95c01427544778b95a1f573a1c8b8de5f2aa4058aebb9f1928e9d59430ccc
[INFO] running `Command { std: "docker" "start" "-a" "4ba95c01427544778b95a1f573a1c8b8de5f2aa4058aebb9f1928e9d59430ccc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.31
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking pinyin v0.5.0
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling jieba-rs v0.2.6
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking hashbrown v0.2.1
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking stammer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting stammer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/bin/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(custom_attribute)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/bin/trainer.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(custom_attribute)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/bin/trainer.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_blocks)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/bin/trainer.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(custom_attribute)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/bin/tester.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_blocks)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[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] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `stammer`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name tester src/bin/tester.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=ceda82fc96e9945a -L dependency=/opt/rustwide/target/debug/deps --extern failure=/opt/rustwide/target/debug/deps/libfailure-a1896fd901c460f3.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-cddc6b0e7a63e369.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-0a1479e859b3412a.rmeta --extern jieba_rs=/opt/rustwide/target/debug/deps/libjieba_rs-14dfa390a27799de.rmeta --extern pinyin=/opt/rustwide/target/debug/deps/libpinyin-95bf8c0fdcb5e00c.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-c7faff55cf04bbc8.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-9c1ca418fde43785.rmeta --extern stammer=/opt/rustwide/target/debug/deps/libstammer-ce453df2dae6fbf0.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-3cdae0e365866fd2.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not document `stammer`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name trainer src/bin/trainer.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=1f222b53f9a8fab4 -L dependency=/opt/rustwide/target/debug/deps --extern failure=/opt/rustwide/target/debug/deps/libfailure-a1896fd901c460f3.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-cddc6b0e7a63e369.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-0a1479e859b3412a.rmeta --extern jieba_rs=/opt/rustwide/target/debug/deps/libjieba_rs-14dfa390a27799de.rmeta --extern pinyin=/opt/rustwide/target/debug/deps/libpinyin-95bf8c0fdcb5e00c.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-c7faff55cf04bbc8.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-9c1ca418fde43785.rmeta --extern stammer=/opt/rustwide/target/debug/deps/libstammer-ce453df2dae6fbf0.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-3cdae0e365866fd2.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] error: could not document `stammer`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name main src/bin/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=ed1765c057554311 -L dependency=/opt/rustwide/target/debug/deps --extern failure=/opt/rustwide/target/debug/deps/libfailure-a1896fd901c460f3.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-cddc6b0e7a63e369.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-0a1479e859b3412a.rmeta --extern jieba_rs=/opt/rustwide/target/debug/deps/libjieba_rs-14dfa390a27799de.rmeta --extern pinyin=/opt/rustwide/target/debug/deps/libpinyin-95bf8c0fdcb5e00c.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-c7faff55cf04bbc8.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-9c1ca418fde43785.rmeta --extern stammer=/opt/rustwide/target/debug/deps/libstammer-ce453df2dae6fbf0.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-3cdae0e365866fd2.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "4ba95c01427544778b95a1f573a1c8b8de5f2aa4058aebb9f1928e9d59430ccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ba95c01427544778b95a1f573a1c8b8de5f2aa4058aebb9f1928e9d59430ccc", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: Could not kill running container 4ba95c01427544778b95a1f573a1c8b8de5f2aa4058aebb9f1928e9d59430ccc, cannot remove - tried to kill container, but did not receive an exit event
[ERROR] failed to delete container 4ba95c01427544778b95a1f573a1c8b8de5f2aa4058aebb9f1928e9d59430ccc
[ERROR] caused by: command failed: exit status: 1