[INFO] cloning repository https://github.com/nrc/parcom [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nrc/parcom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrc%2Fparcom", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrc%2Fparcom'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1f99a34eba81ea3f09f60cd4ec0128a4a71d137b [INFO] checking nrc/parcom against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrc%2Fparcom" "/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/nrc/parcom on toolchain 195ad4830e11a544391abe296b146450dea8411b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nrc/parcom [INFO] finished tweaking git repo https://github.com/nrc/parcom [INFO] tweaked toml for git repo https://github.com/nrc/parcom written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/nrc/parcom already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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] 859d95445495c26609ffc92e925931a4e4591a0bb7c60753e18be6f932dbd564 [INFO] running `Command { std: "docker" "start" "-a" "859d95445495c26609ffc92e925931a4e4591a0bb7c60753e18be6f932dbd564", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "859d95445495c26609ffc92e925931a4e4591a0bb7c60753e18be6f932dbd564", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "859d95445495c26609ffc92e925931a4e4591a0bb7c60753e18be6f932dbd564", kill_on_drop: false }` [INFO] [stdout] 859d95445495c26609ffc92e925931a4e4591a0bb7c60753e18be6f932dbd564 [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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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] 8b58e852bc138fb39e6f724fcc40e721f71cd1f6015d3209bc98b889ac53185a [INFO] running `Command { std: "docker" "start" "-a" "8b58e852bc138fb39e6f724fcc40e721f71cd1f6015d3209bc98b889ac53185a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling syn v1.0.33 [INFO] [stderr] Compiling quote v1.0.7 [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] Compiling derive-new v0.5.8 [INFO] [stderr] Checking parcom v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | #![feature(const_in_array_repeat_expressions)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed due to causing promotable bugs [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | #![feature(const_in_array_repeat_expressions)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed due to causing promotable bugs [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around const expression [INFO] [stdout] --> src/latch.rs:5:35 [INFO] [stdout] | [INFO] [stdout] 5 | latches: &'a Mutex>, [INFO] [stdout] | ^^^^^ help: remove these braces [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around const expression [INFO] [stdout] --> src/latch.rs:9:35 [INFO] [stdout] | [INFO] [stdout] 9 | latches: &'a Mutex>, [INFO] [stdout] | ^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around const expression [INFO] [stdout] --> src/latch.rs:34:35 [INFO] [stdout] | [INFO] [stdout] 34 | latches: &'a Mutex>, [INFO] [stdout] | ^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around const expression [INFO] [stdout] --> src/latch.rs:5:35 [INFO] [stdout] | [INFO] [stdout] 5 | latches: &'a Mutex>, [INFO] [stdout] | ^^^^^ help: remove these braces [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around const expression [INFO] [stdout] --> src/latch.rs:9:35 [INFO] [stdout] | [INFO] [stdout] 9 | latches: &'a Mutex>, [INFO] [stdout] | ^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around const expression [INFO] [stdout] --> src/latch.rs:34:35 [INFO] [stdout] | [INFO] [stdout] 34 | latches: &'a Mutex>, [INFO] [stdout] | ^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `parcom` [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] error: aborting due to previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "8b58e852bc138fb39e6f724fcc40e721f71cd1f6015d3209bc98b889ac53185a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b58e852bc138fb39e6f724fcc40e721f71cd1f6015d3209bc98b889ac53185a", kill_on_drop: false }` [INFO] [stdout] 8b58e852bc138fb39e6f724fcc40e721f71cd1f6015d3209bc98b889ac53185a