[INFO] fetching crate case 1.0.0...
[INFO] checking case-1.0.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate case 1.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate case 1.0.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce7cb794e373c699a23a3e17fc84ce857516790cbcd928c4765091f60d4b3733
[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" "ce7cb794e373c699a23a3e17fc84ce857516790cbcd928c4765091f60d4b3733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce7cb794e373c699a23a3e17fc84ce857516790cbcd928c4765091f60d4b3733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce7cb794e373c699a23a3e17fc84ce857516790cbcd928c4765091f60d4b3733", kill_on_drop: false }`
[INFO] [stdout] ce7cb794e373c699a23a3e17fc84ce857516790cbcd928c4765091f60d4b3733
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f2926dd46a2eef76a2ea3dccc8c374ffd60fffb0968002e5df7bac54b8a94bf
[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" "1f2926dd46a2eef76a2ea3dccc8c374ffd60fffb0968002e5df7bac54b8a94bf", kill_on_drop: false }`
[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" "1f2926dd46a2eef76a2ea3dccc8c374ffd60fffb0968002e5df7bac54b8a94bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f2926dd46a2eef76a2ea3dccc8c374ffd60fffb0968002e5df7bac54b8a94bf", kill_on_drop: false }`
[INFO] [stdout] 1f2926dd46a2eef76a2ea3dccc8c374ffd60fffb0968002e5df7bac54b8a94bf