[INFO] cloning repository https://github.com/ItinoseSan/ru-gnu-core-utils
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ItinoseSan/ru-gnu-core-utils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FItinoseSan%2Fru-gnu-core-utils", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FItinoseSan%2Fru-gnu-core-utils'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db9a14da196cd1d0f9b6d7a65239ac2d9adca8ff
[INFO] checking ItinoseSan/ru-gnu-core-utils against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FItinoseSan%2Fru-gnu-core-utils" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ItinoseSan/ru-gnu-core-utils on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ItinoseSan/ru-gnu-core-utils
[INFO] finished tweaking git repo https://github.com/ItinoseSan/ru-gnu-core-utils
[INFO] tweaked toml for git repo https://github.com/ItinoseSan/ru-gnu-core-utils written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ItinoseSan/ru-gnu-core-utils already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ca737871f394b66c607f6d5fa7c9d843667f985c9db458a2733794b147cd831
[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" "1ca737871f394b66c607f6d5fa7c9d843667f985c9db458a2733794b147cd831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ca737871f394b66c607f6d5fa7c9d843667f985c9db458a2733794b147cd831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ca737871f394b66c607f6d5fa7c9d843667f985c9db458a2733794b147cd831", kill_on_drop: false }`
[INFO] [stdout] 1ca737871f394b66c607f6d5fa7c9d843667f985c9db458a2733794b147cd831
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTFLAGS=--cap-lints=forbid" "-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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c686544daad7f31afec84995f1976abaafbbd584089d5f1daaf7a4f0cdf12194
[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" "c686544daad7f31afec84995f1976abaafbbd584089d5f1daaf7a4f0cdf12194", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]     Checking futures v0.1.21
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling serde v1.0.67
[INFO] [stderr]    Compiling httparse v1.3.1
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking try-lock v0.1.0
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking token v1.0.0-rc2 (https://github.com/machtan/token-rs#9b6f91ed)
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stdout] error[E0412]: cannot find type `Chars` in module `io`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/token-rs-d33868e14c9537e6/9b6f91e/src/lib.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |     chars: io::Chars<R>,
[INFO] [stdout]    |                ^^^^^ not found in `io`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 30 | use std::str::Chars;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `CharsError` in module `io`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/token-rs-d33868e14c9537e6/9b6f91e/src/lib.rs:62:56
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn next(&mut self) -> Result<Option<&str>, io::CharsError> {
[INFO] [stdout]    |                                                        ^^^^^^^^^^ not found in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `CharsError` in module `io`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/token-rs-d33868e14c9537e6/9b6f91e/src/lib.rs:130:56
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub fn next(&mut self) -> Result<Option<&str>, io::CharsError> {
[INFO] [stdout]     |                                                        ^^^^^^^^^^ not found in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking log v0.4.2
[INFO] [stdout] error[E0392]: parameter `R` is never used
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/token-rs-d33868e14c9537e6/9b6f91e/src/lib.rs:86:33
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct SentenceSplitter<'a, R: Read> {
[INFO] [stdout]    |                                 ^ unused parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing `R`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0392, E0412.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0392`.
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr] error: could not compile `token`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c686544daad7f31afec84995f1976abaafbbd584089d5f1daaf7a4f0cdf12194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c686544daad7f31afec84995f1976abaafbbd584089d5f1daaf7a4f0cdf12194", kill_on_drop: false }`
[INFO] [stdout] c686544daad7f31afec84995f1976abaafbbd584089d5f1daaf7a4f0cdf12194