[INFO] fetching crate case 1.0.0...
[INFO] checking case-1.0.0 against try#22dd2dd1dc07f63ae9394352d412f020d2985684 for pr-74627
[INFO] extracting crate case 1.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate case 1.0.0 on toolchain 22dd2dd1dc07f63ae9394352d412f020d2985684
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate case 1.0.0
[INFO] finished tweaking crates.io crate case 1.0.0
[INFO] tweaked toml for crates.io crate case 1.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b2d2c6e978cf5cc42ad8ed0ff94a77c92f4a128f372f61fa3347272a0b077de
[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" "8b2d2c6e978cf5cc42ad8ed0ff94a77c92f4a128f372f61fa3347272a0b077de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b2d2c6e978cf5cc42ad8ed0ff94a77c92f4a128f372f61fa3347272a0b077de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b2d2c6e978cf5cc42ad8ed0ff94a77c92f4a128f372f61fa3347272a0b077de", kill_on_drop: false }`
[INFO] [stdout] 8b2d2c6e978cf5cc42ad8ed0ff94a77c92f4a128f372f61fa3347272a0b077de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 747b9346f90b0df177a584be33d3962ef922a2c7dbc78623e4b6370d8d2f3884
[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" "747b9346f90b0df177a584be33d3962ef922a2c7dbc78623e4b6370d8d2f3884", 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] [stderr]     Checking case v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0191]: the value of the associated type `Owned` (from trait `case::CaseExt`) must be specified
[INFO] [stdout]   --> benches/bench.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 |     b.iter(|| CaseExt::to_lowercase("MY favorite STRING"));
[INFO] [stdout]    |               ^^^^^^^ help: specify the associated type: `CaseExt<Owned = Type>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `to_lowercase` found for trait object `dyn case::CaseExt` in the current scope
[INFO] [stdout]   --> benches/bench.rs:31:24
[INFO] [stdout]    |
[INFO] [stdout] 31 |     b.iter(|| CaseExt::to_lowercase("MY favorite STRING"));
[INFO] [stdout]    |                        ^^^^^^^^^^^^ function or associated item not found in `dyn case::CaseExt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0191]: the value of the associated type `Owned` (from trait `case::CaseExt`) must be specified
[INFO] [stdout]   --> benches/bench.rs:36:15
[INFO] [stdout]    |
[INFO] [stdout] 36 |     b.iter(|| CaseExt::to_uppercase("my_favorite_string"));
[INFO] [stdout]    |               ^^^^^^^ help: specify the associated type: `CaseExt<Owned = Type>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `to_uppercase` found for trait object `dyn case::CaseExt` in the current scope
[INFO] [stdout]   --> benches/bench.rs:36:24
[INFO] [stdout]    |
[INFO] [stdout] 36 |     b.iter(|| CaseExt::to_uppercase("my_favorite_string"));
[INFO] [stdout]    |                        ^^^^^^^^^^^^ function or associated item not found in `dyn case::CaseExt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0191, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0191`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `case`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "747b9346f90b0df177a584be33d3962ef922a2c7dbc78623e4b6370d8d2f3884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "747b9346f90b0df177a584be33d3962ef922a2c7dbc78623e4b6370d8d2f3884", kill_on_drop: false }`
[INFO] [stdout] 747b9346f90b0df177a584be33d3962ef922a2c7dbc78623e4b6370d8d2f3884