[INFO] updating cached repository https://github.com/Ristarg/tachyon
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 17496d078260189253b5d39ed64a063d0af3d145
[INFO] testing Ristarg/tachyon against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRistarg%2Ftachyon" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ristarg/tachyon on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Ristarg/tachyon
[INFO] finished tweaking git repo https://github.com/Ristarg/tachyon
[INFO] tweaked toml for git repo https://github.com/Ristarg/tachyon written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Ristarg/tachyon already has a lockfile, it will not be regenerated
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] ee2d8d5a540ed926d301372828a2c8cbb6c9596c50ec07bd4b47a4f9f3ef9343
[INFO] running `"docker" "start" "-a" "ee2d8d5a540ed926d301372828a2c8cbb6c9596c50ec07bd4b47a4f9f3ef9343"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling tachyon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(box_patterns, iterator_repeat_with)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/interpreter/mod.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 | type FnBin = Fn(Vec<f64>) -> f64;
[INFO] [stderr]   |              ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<f64>) -> f64`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer/mod.rs:31:20
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 '0'...'9' => Token::NumberLiteral(self.read_number()),
[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/lexer/mod.rs:35:33
[INFO] [stderr]    |
[INFO] [stderr] 35 |                         Some('0'...'9') => Token::NumberLiteral(-self.read_number()),
[INFO] [stderr]    |                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer/mod.rs:66:31
[INFO] [stderr]    |
[INFO] [stderr] 66 |         while let Some(c @ '0'...'9') = self.source.cur_char() {
[INFO] [stderr]    |                               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer/mod.rs:77:35
[INFO] [stderr]    |
[INFO] [stderr] 77 |             while let Some(c @ '0'...'9') = self.source.cur_char() {
[INFO] [stderr]    |                                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `tachyon`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ee2d8d5a540ed926d301372828a2c8cbb6c9596c50ec07bd4b47a4f9f3ef9343"`
[INFO] running `"docker" "rm" "-f" "ee2d8d5a540ed926d301372828a2c8cbb6c9596c50ec07bd4b47a4f9f3ef9343"`
[INFO] [stdout] ee2d8d5a540ed926d301372828a2c8cbb6c9596c50ec07bd4b47a4f9f3ef9343