[INFO] cloning repository https://github.com/bomattin/calculator_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bomattin/calculator_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbomattin%2Fcalculator_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbomattin%2Fcalculator_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 220b93bdade8d7ba65aa1491ee61e18b812f1ecf
[INFO] checking bomattin/calculator_rs against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbomattin%2Fcalculator_rs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bomattin/calculator_rs on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bomattin/calculator_rs
[INFO] finished tweaking git repo https://github.com/bomattin/calculator_rs
[INFO] tweaked toml for git repo https://github.com/bomattin/calculator_rs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/bomattin/calculator_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee4adc10372b6704dd041ce4a5c7e624148a0a963c66e8f781c52792bcdfa0b6
[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" "ee4adc10372b6704dd041ce4a5c7e624148a0a963c66e8f781c52792bcdfa0b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee4adc10372b6704dd041ce4a5c7e624148a0a963c66e8f781c52792bcdfa0b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee4adc10372b6704dd041ce4a5c7e624148a0a963c66e8f781c52792bcdfa0b6", kill_on_drop: false }`
[INFO] [stdout] ee4adc10372b6704dd041ce4a5c7e624148a0a963c66e8f781c52792bcdfa0b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] e6f5adcfb83083b9f7e2e35cf3c633ef3d33a8c807f0f6024eb31f4a9b86b5a4
[INFO] running `Command { std: "docker" "start" "-a" "e6f5adcfb83083b9f7e2e35cf3c633ef3d33a8c807f0f6024eb31f4a9b86b5a4", kill_on_drop: false }`
[INFO] [stderr]     Checking calculator_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/scanner.rs:95:20
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 'a'...'z' => Some(Token::Variable(c)),
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/scanner.rs:96:20
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 '0'...'9' => {
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/scanner.rs:95:20
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 'a'...'z' => Some(Token::Variable(c)),
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/scanner.rs:96:20
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 '0'...'9' => {
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Token` in public interface (error E0446)
[INFO] [stdout]    --> src/scanner.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn output(&self) -> &Vec<Token> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IntMode`
[INFO] [stdout]   --> src/scanner.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     IntMode,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `QuitMode`
[INFO] [stdout]   --> src/scanner.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     QuitMode,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Done`
[INFO] [stdout]   --> src/scanner.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Done,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `Token` is private
[INFO] [stdout]  --> src/main.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |     for line in s.output() {
[INFO] [stdout]   |                 ^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Token` in public interface (error E0446)
[INFO] [stdout]    --> src/scanner.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn output(&self) -> &Vec<Token> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IntMode`
[INFO] [stdout]   --> src/scanner.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     IntMode,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `calculator_rs`
[INFO] [stdout] warning: variant is never constructed: `QuitMode`
[INFO] [stdout]   --> src/scanner.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     QuitMode,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] warning: variant is never constructed: `Done`
[INFO] [stdout]   --> src/scanner.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Done,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: type `Token` is private
[INFO] [stdout]  --> src/main.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |     for line in s.output() {
[INFO] [stdout]   |                 ^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e6f5adcfb83083b9f7e2e35cf3c633ef3d33a8c807f0f6024eb31f4a9b86b5a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6f5adcfb83083b9f7e2e35cf3c633ef3d33a8c807f0f6024eb31f4a9b86b5a4", kill_on_drop: false }`
[INFO] [stdout] e6f5adcfb83083b9f7e2e35cf3c633ef3d33a8c807f0f6024eb31f4a9b86b5a4