[INFO] fetching crate twounordered 0.6.0...
[INFO] checking twounordered-0.6.0 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate twounordered 0.6.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate twounordered 0.6.0 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twounordered 0.6.0
[INFO] finished tweaking crates.io crate twounordered 0.6.0
[INFO] tweaked toml for crates.io crate twounordered 0.6.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71e9643ff41658484407ba05e6f49a2cc5ec44c564492f2338390d9edee31169
[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" "71e9643ff41658484407ba05e6f49a2cc5ec44c564492f2338390d9edee31169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71e9643ff41658484407ba05e6f49a2cc5ec44c564492f2338390d9edee31169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71e9643ff41658484407ba05e6f49a2cc5ec44c564492f2338390d9edee31169", kill_on_drop: false }`
[INFO] [stdout] 71e9643ff41658484407ba05e6f49a2cc5ec44c564492f2338390d9edee31169
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--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] 8c3e1314123ad54397ea0b9050537ccc78bf07af0645194c23f960b629062091
[INFO] running `Command { std: "docker" "start" "-a" "8c3e1314123ad54397ea0b9050537ccc78bf07af0645194c23f960b629062091", kill_on_drop: false }`
[INFO] [stderr]     Checking twounordered v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `as_vec_mut` found for struct `TwoUnorderedVecs<_>` in the current scope
[INFO] [stdout]    --> src/lib.rs:309:11
[INFO] [stdout]     |
[INFO] [stdout] 152 | pub struct TwoUnorderedVecs<T> {
[INFO] [stdout]     | ------------------------------ method `as_vec_mut` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 309 |         k.as_vec_mut(|a|{
[INFO] [stdout]     |           ^^^^^^^^^^ method not found in `TwoUnorderedVecs<_>`
[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 E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `twounordered`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8c3e1314123ad54397ea0b9050537ccc78bf07af0645194c23f960b629062091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c3e1314123ad54397ea0b9050537ccc78bf07af0645194c23f960b629062091", kill_on_drop: false }`
[INFO] [stdout] 8c3e1314123ad54397ea0b9050537ccc78bf07af0645194c23f960b629062091