[INFO] crate test-case-derive 0.2.3 is already in cache
[INFO] testing test-case-derive-0.2.3 against 1.44.0 for beta-1.45-1
[INFO] extracting crate test-case-derive 0.2.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate test-case-derive 0.2.3 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate test-case-derive 0.2.3
[INFO] finished tweaking crates.io crate test-case-derive 0.2.3
[INFO] tweaked toml for crates.io crate test-case-derive 0.2.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4c1b4ebac03cf40a1bb8ef79f6db1fda868eb2deca4e9264b6553cdb5db66437
[INFO] running `"docker" "start" "-a" "4c1b4ebac03cf40a1bb8ef79f6db1fda868eb2deca4e9264b6553cdb5db66437"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling test-case-derive v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]    --> src/lib.rs:221:1
[INFO] [stderr]     |
[INFO] [stderr] 221 | #![feature(proc_macro)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/utils/escape_ident.rs:21:16
[INFO] [stderr]    |
[INFO] [stderr] 21 |             'A'...'Z'                                     => escaped.push(c.to_ascii_lowercase()),
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/utils/escape_ident.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 22 |             'a'...'z' | '0'...'9'                         => escaped.push(c),
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/utils/escape_ident.rs:22:28
[INFO] [stderr]    |
[INFO] [stderr] 22 |             'a'...'z' | '0'...'9'                         => escaped.push(c),
[INFO] [stderr]    |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/utils/keywords.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / lazy_static! {
[INFO] [stderr] 4  | |     static ref RUST_KEYWORDS: HashSet<&'static str> = [
[INFO] [stderr] 5  | |         "as", "break", "const", "continue", "crate", "else", "enum", "extern", "false", "fn", 
[INFO] [stderr] 6  | |         "for", "if", "impl", "in", "let", "loop", "match", "mod", "move", "mut", 
[INFO] [stderr] ...  |
[INFO] [stderr] 11 | |     ].into_iter().cloned().collect();
[INFO] [stderr] 12 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/prelude.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub use std::ascii::AsciiExt;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]  --> src/utils/escape_ident.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 |     escaped.trim_right_matches('_');
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `test-case-derive`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4c1b4ebac03cf40a1bb8ef79f6db1fda868eb2deca4e9264b6553cdb5db66437"`
[INFO] running `"docker" "rm" "-f" "4c1b4ebac03cf40a1bb8ef79f6db1fda868eb2deca4e9264b6553cdb5db66437"`
[INFO] [stdout] 4c1b4ebac03cf40a1bb8ef79f6db1fda868eb2deca4e9264b6553cdb5db66437