[INFO] fetching crate boltdb 0.0.1... [INFO] checking boltdb-0.0.1 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174 [INFO] extracting crate boltdb 0.0.1 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate boltdb 0.0.1 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate boltdb 0.0.1 [INFO] finished tweaking crates.io crate boltdb 0.0.1 [INFO] tweaked toml for crates.io crate boltdb 0.0.1 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate crates.io crate boltdb 0.0.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 60de50c59c34b0c77bff1c5e473155ecd0099b985828e98e13e4ca96b1c78c9f [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" "60de50c59c34b0c77bff1c5e473155ecd0099b985828e98e13e4ca96b1c78c9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "60de50c59c34b0c77bff1c5e473155ecd0099b985828e98e13e4ca96b1c78c9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60de50c59c34b0c77bff1c5e473155ecd0099b985828e98e13e4ca96b1c78c9f", kill_on_drop: false }` [INFO] [stdout] 60de50c59c34b0c77bff1c5e473155ecd0099b985828e98e13e4ca96b1c78c9f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bdaa8fdabfd1e65451998b6a1b3709243bef2e056402e5a5bebb656fc3fdc166 [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" "bdaa8fdabfd1e65451998b6a1b3709243bef2e056402e5a5bebb656fc3fdc166", kill_on_drop: false }` [INFO] [stderr] Checking boltdb v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `rust_write` [INFO] [stdout] --> examples/cross-lang/main.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn rust_write() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `rust_read` [INFO] [stdout] --> examples/cross-lang/main.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn rust_read() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0601]: `main` function not found in crate `echo` [INFO] [stdout] | [INFO] [stdout] = note: consider adding a `main` function to `examples/echo.rs` [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 E0601`. [INFO] [stdout] [INFO] [stderr] error: could not compile `boltdb` [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [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] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "bdaa8fdabfd1e65451998b6a1b3709243bef2e056402e5a5bebb656fc3fdc166", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bdaa8fdabfd1e65451998b6a1b3709243bef2e056402e5a5bebb656fc3fdc166", kill_on_drop: false }` [INFO] [stdout] bdaa8fdabfd1e65451998b6a1b3709243bef2e056402e5a5bebb656fc3fdc166