[INFO] cloning repository https://github.com/loalang/loalang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/loalang/loalang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floalang%2Floalang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floalang%2Floalang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 745edc192564b3f362ad1623fbb8853fcefa876e [INFO] testing loalang/loalang against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floalang%2Floalang" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/loalang/loalang on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/loalang/loalang [INFO] finished tweaking git repo https://github.com/loalang/loalang [INFO] tweaked toml for git repo https://github.com/loalang/loalang written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/loalang/loalang already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3429bb27c438c48ffdf92b2874d0364cc1b5f5b2ca7d6f69a355551e41438bad [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" "3429bb27c438c48ffdf92b2874d0364cc1b5f5b2ca7d6f69a355551e41438bad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3429bb27c438c48ffdf92b2874d0364cc1b5f5b2ca7d6f69a355551e41438bad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3429bb27c438c48ffdf92b2874d0364cc1b5f5b2ca7d6f69a355551e41438bad", kill_on_drop: false }` [INFO] [stdout] 3429bb27c438c48ffdf92b2874d0364cc1b5f5b2ca7d6f69a355551e41438bad [INFO] running `Command { std: "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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 85eb1b71b92178c00818f96ac98272b3324709f2a2bfee2061fed5d226186802 [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" "85eb1b71b92178c00818f96ac98272b3324709f2a2bfee2061fed5d226186802", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] Compiling proc-macro2 v1.0.5 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling num-bigint v0.2.2 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling unicode-segmentation v1.5.0 [INFO] [stderr] Compiling peekmore v0.4.0 [INFO] [stderr] Compiling ngrammatic v0.3.1 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling strum v0.17.1 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling bincode v1.2.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling strum_macros v0.17.1 [INFO] [stderr] Compiling num v0.2.0 [INFO] [stderr] Compiling fraction v0.6.2 [INFO] [stderr] Compiling loalang v0.1.20 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib/vm/call_stack.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | / std::mem::replace( [INFO] [stdout] 34 | | self, [INFO] [stdout] 35 | | CallStack(Some(Arc::new(StackFrame { [INFO] [stdout] 36 | | parent, [INFO] [stdout] ... | [INFO] [stdout] 41 | | }))), [INFO] [stdout] 42 | | ); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib/vm/call_stack.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | std::mem::replace(self, CallStack(parent)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib/optimization/optimizer.rs:308:9 [INFO] [stdout] | [INFO] [stdout] 308 | std::mem::replace(self, optimized); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 05s [INFO] running `Command { std: "docker" "inspect" "85eb1b71b92178c00818f96ac98272b3324709f2a2bfee2061fed5d226186802", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85eb1b71b92178c00818f96ac98272b3324709f2a2bfee2061fed5d226186802", kill_on_drop: false }` [INFO] [stdout] 85eb1b71b92178c00818f96ac98272b3324709f2a2bfee2061fed5d226186802 [INFO] running `Command { std: "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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7c85145df5f49890f8c9e21e14285d940f8953f68770ae779378fdc348c56449 [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" "7c85145df5f49890f8c9e21e14285d940f8953f68770ae779378fdc348c56449", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] Compiling loalang v0.1.20 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib/vm/call_stack.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | / std::mem::replace( [INFO] [stdout] 34 | | self, [INFO] [stdout] 35 | | CallStack(Some(Arc::new(StackFrame { [INFO] [stdout] 36 | | parent, [INFO] [stdout] ... | [INFO] [stdout] 41 | | }))), [INFO] [stdout] 42 | | ); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib/vm/call_stack.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | std::mem::replace(self, CallStack(parent)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib/optimization/optimizer.rs:308:9 [INFO] [stdout] | [INFO] [stdout] 308 | std::mem::replace(self, optimized); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `serde_yaml` [INFO] [stdout] --> src/lib/fixture_tests.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | extern crate serde_yaml; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `loalang`. [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "7c85145df5f49890f8c9e21e14285d940f8953f68770ae779378fdc348c56449", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c85145df5f49890f8c9e21e14285d940f8953f68770ae779378fdc348c56449", kill_on_drop: false }` [INFO] [stdout] 7c85145df5f49890f8c9e21e14285d940f8953f68770ae779378fdc348c56449