[INFO] cloning repository https://github.com/rutrum/convert-case
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rutrum/convert-case" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frutrum%2Fconvert-case", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frutrum%2Fconvert-case'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ecff049f98d9a1f69532a66c83f6b34adc0d4500
[INFO] checking rutrum/convert-case against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frutrum%2Fconvert-case" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rutrum/convert-case on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rutrum/convert-case
[INFO] finished tweaking git repo https://github.com/rutrum/convert-case
[INFO] tweaked toml for git repo https://github.com/rutrum/convert-case written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/rutrum/convert-case already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] 695a8a6844968ef00237814308b9cfc3b203b318cf09ea7bbb8e74b67045149b
[INFO] running `Command { std: "docker" "start" "-a" "695a8a6844968ef00237814308b9cfc3b203b318cf09ea7bbb8e74b67045149b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "695a8a6844968ef00237814308b9cfc3b203b318cf09ea7bbb8e74b67045149b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "695a8a6844968ef00237814308b9cfc3b203b318cf09ea7bbb8e74b67045149b", kill_on_drop: false }`
[INFO] [stdout] 695a8a6844968ef00237814308b9cfc3b203b318cf09ea7bbb8e74b67045149b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c27bc17aa241a2e7102f43f50f999398249e3d2bbaff08909a7a81634376f7fd
[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" "c27bc17aa241a2e7102f43f50f999398249e3d2bbaff08909a7a81634376f7fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking addr2line v0.12.0
[INFO] [stderr]     Checking convert_case v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking ccase v0.2.0 (/opt/rustwide/workdir/ccase)
[INFO] [stdout] error[E0408]: variable `UpperKebab` is not bound in all patterns
[INFO] [stdout]   --> ccase/src/lib.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Kebab | UpperKebab | Cobol | Train => HyphenDelim,
[INFO] [stdout]    |             ^^^^^   ----------   ^^^^^   ^^^^^ pattern doesn't bind `UpperKebab`
[INFO] [stdout]    |             |       |            |
[INFO] [stdout]    |             |       |            pattern doesn't bind `UpperKebab`
[INFO] [stdout]    |             |       variable not in all patterns
[INFO] [stdout]    |             pattern doesn't bind `UpperKebab`
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to match on a variant or a `const` item, consider making the path in the pattern qualified: `?::UpperKebab`
[INFO] [stdout]   --> ccase/src/lib.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Kebab | UpperKebab | Cobol | Train => HyphenDelim,
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0408]: variable `UpperKebab` is not bound in all patterns
[INFO] [stdout]   --> ccase/src/lib.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |             Kebab | UpperKebab | Cobol | Train => HyphenDelim,
[INFO] [stdout]    |             ^^^^^   ----------   ^^^^^   ^^^^^ pattern doesn't bind `UpperKebab`
[INFO] [stdout]    |             |       |            |
[INFO] [stdout]    |             |       |            pattern doesn't bind `UpperKebab`
[INFO] [stdout]    |             |       variable not in all patterns
[INFO] [stdout]    |             pattern doesn't bind `UpperKebab`
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to match on a variant or a `const` item, consider making the path in the pattern qualified: `?::UpperKebab`
[INFO] [stdout]   --> ccase/src/lib.rs:91:21
[INFO] [stdout]    |
[INFO] [stdout] 91 |             Kebab | UpperKebab | Cobol | Train => HyphenDelim,
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0408`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ccase`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c27bc17aa241a2e7102f43f50f999398249e3d2bbaff08909a7a81634376f7fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c27bc17aa241a2e7102f43f50f999398249e3d2bbaff08909a7a81634376f7fd", kill_on_drop: false }`
[INFO] [stdout] c27bc17aa241a2e7102f43f50f999398249e3d2bbaff08909a7a81634376f7fd