[INFO] crate qcollect-traits 0.7.4 is already in cache
[INFO] testing qcollect-traits-0.7.4 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate qcollect-traits 0.7.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate qcollect-traits 0.7.4 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qcollect-traits 0.7.4
[INFO] finished tweaking crates.io crate qcollect-traits 0.7.4
[INFO] tweaked toml for crates.io crate qcollect-traits 0.7.4 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7878d916d63a460e9b3afee7b18e4402a0b56d86e2447c89fc1b8ce06119fc20
[INFO] running `Command { std: "docker" "start" "-a" "7878d916d63a460e9b3afee7b18e4402a0b56d86e2447c89fc1b8ce06119fc20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7878d916d63a460e9b3afee7b18e4402a0b56d86e2447c89fc1b8ce06119fc20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7878d916d63a460e9b3afee7b18e4402a0b56d86e2447c89fc1b8ce06119fc20", kill_on_drop: false }`
[INFO] [stdout] 7878d916d63a460e9b3afee7b18e4402a0b56d86e2447c89fc1b8ce06119fc20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2a024ed8c3da5fb183a421839d3a865c16bab2e53d0a1a7b23b08b2e4565aae1
[INFO] running `Command { std: "docker" "start" "-a" "2a024ed8c3da5fb183a421839d3a865c16bab2e53d0a1a7b23b08b2e4565aae1", kill_on_drop: false }`
[INFO] [stderr]    Compiling vec_map v0.3.0
[INFO] [stderr]    Compiling qcollect-traits v0.7.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stdout]   --> src/impls/vec_deque.rs:51:14
[INFO] [stdout]    |
[INFO] [stdout] 51 |         self.drain()
[INFO] [stdout]    |              ^^^^^- supplied 0 arguments
[INFO] [stdout]    |              |
[INFO] [stdout]    |              expected 1 argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `qcollect-traits`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "2a024ed8c3da5fb183a421839d3a865c16bab2e53d0a1a7b23b08b2e4565aae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a024ed8c3da5fb183a421839d3a865c16bab2e53d0a1a7b23b08b2e4565aae1", kill_on_drop: false }`
[INFO] [stdout] 2a024ed8c3da5fb183a421839d3a865c16bab2e53d0a1a7b23b08b2e4565aae1