[INFO] crate loalang 0.1.20 is already in cache [INFO] checking loalang-0.1.20 against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345 [INFO] extracting crate loalang 0.1.20 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate loalang 0.1.20 on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate loalang 0.1.20 [INFO] finished tweaking crates.io crate loalang 0.1.20 [INFO] tweaked toml for crates.io crate loalang 0.1.20 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate loalang 0.1.20 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ed4c4e2d764e8304c4cd71aa4558ffe63ac23cd68349f668ce8f84b14ae0af2f [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" "ed4c4e2d764e8304c4cd71aa4558ffe63ac23cd68349f668ce8f84b14ae0af2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ed4c4e2d764e8304c4cd71aa4558ffe63ac23cd68349f668ce8f84b14ae0af2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed4c4e2d764e8304c4cd71aa4558ffe63ac23cd68349f668ce8f84b14ae0af2f", kill_on_drop: false }` [INFO] [stdout] ed4c4e2d764e8304c4cd71aa4558ffe63ac23cd68349f668ce8f84b14ae0af2f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2b916f91a8427ff7809f1968cada6eec1a50e7ffd792cbff3fb6cb9ec26e7ee8 [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" "2b916f91a8427ff7809f1968cada6eec1a50e7ffd792cbff3fb6cb9ec26e7ee8", kill_on_drop: false }` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling proc-macro2 v1.0.5 [INFO] [stderr] Compiling unicode-xid v0.2.0 [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 libc v0.2.62 [INFO] [stderr] Compiling unicode-segmentation v1.5.0 [INFO] [stderr] Checking peekmore v0.4.0 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking strum v0.17.1 [INFO] [stderr] Checking ngrammatic v0.3.1 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling bincode v1.2.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling strum_macros v0.17.1 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking fraction v0.6.2 [INFO] [stderr] Checking loalang v0.1.20 (/opt/rustwide/workdir) [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] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stderr] error: could not compile `loalang`. [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: 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] error: build failed [INFO] running `Command { std: "docker" "inspect" "2b916f91a8427ff7809f1968cada6eec1a50e7ffd792cbff3fb6cb9ec26e7ee8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b916f91a8427ff7809f1968cada6eec1a50e7ffd792cbff3fb6cb9ec26e7ee8", kill_on_drop: false }` [INFO] [stdout] 2b916f91a8427ff7809f1968cada6eec1a50e7ffd792cbff3fb6cb9ec26e7ee8