[INFO] fetching crate gap_vec 0.1.0...
[INFO] checking gap_vec-0.1.0 against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] extracting crate gap_vec 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate gap_vec 0.1.0 on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gap_vec 0.1.0
[INFO] finished tweaking crates.io crate gap_vec 0.1.0
[INFO] tweaked toml for crates.io crate gap_vec 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cca12a22d4c99a56e08403ee85b7d031294a401ca7347ac83c283b96363d1a5
[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" "3cca12a22d4c99a56e08403ee85b7d031294a401ca7347ac83c283b96363d1a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cca12a22d4c99a56e08403ee85b7d031294a401ca7347ac83c283b96363d1a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cca12a22d4c99a56e08403ee85b7d031294a401ca7347ac83c283b96363d1a5", kill_on_drop: false }`
[INFO] [stdout] 3cca12a22d4c99a56e08403ee85b7d031294a401ca7347ac83c283b96363d1a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1bf2ffc285d05654d9060ac4419e370ec9b91fd0440a42c98c7ffcb1a009226
[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" "d1bf2ffc285d05654d9060ac4419e370ec9b91fd0440a42c98c7ffcb1a009226", kill_on_drop: false }`
[INFO] [stderr]     Checking gap_vec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `cap` found for struct `alloc::raw_vec::RawVec<T>` in the current scope
[INFO] [stdout]    --> src/lib.rs:147:18
[INFO] [stdout]     |
[INFO] [stdout] 147 |         self.buf.cap()
[INFO] [stdout]     |                  ^^^ private field, not a method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `cap` found for struct `alloc::raw_vec::RawVec<T>` in the current scope
[INFO] [stdout]    --> src/lib.rs:147:18
[INFO] [stdout]     |
[INFO] [stdout] 147 |         self.buf.cap()
[INFO] [stdout]     |                  ^^^ private field, not a method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `cap` found for struct `alloc::raw_vec::RawVec<_>` in the current scope
[INFO] [stdout]    --> src/lib.rs:306:49
[INFO] [stdout]     |
[INFO] [stdout] 306 |         let new_gap = self.gap.start .. new_buf.cap() - after_gap;
[INFO] [stdout]     |                                                 ^^^ private field, not a method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `cap` found for struct `alloc::raw_vec::RawVec<_>` in the current scope
[INFO] [stdout]    --> src/lib.rs:306:49
[INFO] [stdout]     |
[INFO] [stdout] 306 |         let new_gap = self.gap.start .. new_buf.cap() - after_gap;
[INFO] [stdout]     |                                                 ^^^ private field, not a method
[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 E0599`.
[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 E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gap_vec`.
[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" "d1bf2ffc285d05654d9060ac4419e370ec9b91fd0440a42c98c7ffcb1a009226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1bf2ffc285d05654d9060ac4419e370ec9b91fd0440a42c98c7ffcb1a009226", kill_on_drop: false }`
[INFO] [stdout] d1bf2ffc285d05654d9060ac4419e370ec9b91fd0440a42c98c7ffcb1a009226