[INFO] cloning repository https://github.com/CircuitCoder/denigma [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CircuitCoder/denigma" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCircuitCoder%2Fdenigma", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCircuitCoder%2Fdenigma'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ca49254e524e111e49e3c07c4bdfd7c0de81515e [INFO] checking CircuitCoder/denigma against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCircuitCoder%2Fdenigma" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/CircuitCoder/denigma 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/CircuitCoder/denigma [INFO] finished tweaking git repo https://github.com/CircuitCoder/denigma [INFO] tweaked toml for git repo https://github.com/CircuitCoder/denigma written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/CircuitCoder/denigma 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] 1929996c433d0875c15c4d0404c778d92a9e731cf334731a0ed9a3211734c6ae [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" "1929996c433d0875c15c4d0404c778d92a9e731cf334731a0ed9a3211734c6ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1929996c433d0875c15c4d0404c778d92a9e731cf334731a0ed9a3211734c6ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1929996c433d0875c15c4d0404c778d92a9e731cf334731a0ed9a3211734c6ae", kill_on_drop: false }` [INFO] [stdout] 1929996c433d0875c15c4d0404c778d92a9e731cf334731a0ed9a3211734c6ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 77f0caa60fd291185c2339136b1e71076b9ef37850aa9584f96a7235f8ff56d6 [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" "77f0caa60fd291185c2339136b1e71076b9ef37850aa9584f96a7235f8ff56d6", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.30 [INFO] [stderr] Compiling serde v1.0.90 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Checking crossbeam-channel v0.3.8 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling serde_derive v1.0.90 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking denigma v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `spigots` [INFO] [stdout] --> src/main.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | spigots: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `const_str_as_bytes` [INFO] [stdout] --> src/main.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(const_str_as_bytes)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:195:5 [INFO] [stdout] | [INFO] [stdout] 195 | / thread::spawn(move || { [INFO] [stdout] 196 | | let mut counter = 0; [INFO] [stdout] 197 | | let mut milestone = 1000; [INFO] [stdout] 198 | | for a in 0..5 { [INFO] [stdout] ... | [INFO] [stdout] 231 | | println!("Finished: {}", counter); [INFO] [stdout] 232 | | }).join(); [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] error: could not compile `denigma` [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] [stdout] warning: field is never read: `spigots` [INFO] [stdout] --> src/main.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | spigots: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `const_str_as_bytes` [INFO] [stdout] --> src/main.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(const_str_as_bytes)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:195:5 [INFO] [stdout] | [INFO] [stdout] 195 | / thread::spawn(move || { [INFO] [stdout] 196 | | let mut counter = 0; [INFO] [stdout] 197 | | let mut milestone = 1000; [INFO] [stdout] 198 | | for a in 0..5 { [INFO] [stdout] ... | [INFO] [stdout] 231 | | println!("Finished: {}", counter); [INFO] [stdout] 232 | | }).join(); [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "77f0caa60fd291185c2339136b1e71076b9ef37850aa9584f96a7235f8ff56d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77f0caa60fd291185c2339136b1e71076b9ef37850aa9584f96a7235f8ff56d6", kill_on_drop: false }` [INFO] [stdout] 77f0caa60fd291185c2339136b1e71076b9ef37850aa9584f96a7235f8ff56d6