[INFO] fetching crate case 1.0.0...
[INFO] checking case-1.0.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate case 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate case 1.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 3177a06e3631ce8af59b94dfb31f8eea60c35769e41e82de4e94ad2b61ed1804
[INFO] running `Command { std: "docker" "start" "-a" "3177a06e3631ce8af59b94dfb31f8eea60c35769e41e82de4e94ad2b61ed1804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3177a06e3631ce8af59b94dfb31f8eea60c35769e41e82de4e94ad2b61ed1804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3177a06e3631ce8af59b94dfb31f8eea60c35769e41e82de4e94ad2b61ed1804", kill_on_drop: false }`
[INFO] [stdout] 3177a06e3631ce8af59b94dfb31f8eea60c35769e41e82de4e94ad2b61ed1804
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 819b7a4742c9f06f1fc0836d5ee0bbf2aa63e14fc39671f554c95c1555671a60
[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" "819b7a4742c9f06f1fc0836d5ee0bbf2aa63e14fc39671f554c95c1555671a60", 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[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/bench.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0191]: the value of the associated type `Owned` (from trait `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 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 CaseExt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0191]: the value of the associated type `Owned` (from trait `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 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 CaseExt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0191, E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0191`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `case` due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "819b7a4742c9f06f1fc0836d5ee0bbf2aa63e14fc39671f554c95c1555671a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "819b7a4742c9f06f1fc0836d5ee0bbf2aa63e14fc39671f554c95c1555671a60", kill_on_drop: false }`
[INFO] [stdout] 819b7a4742c9f06f1fc0836d5ee0bbf2aa63e14fc39671f554c95c1555671a60
