[INFO] fetching crate singletonum 0.2.0... [INFO] checking singletonum-0.2.0 against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579 [INFO] extracting crate singletonum 0.2.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate singletonum 0.2.0 on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate singletonum 0.2.0 [INFO] finished tweaking crates.io crate singletonum 0.2.0 [INFO] tweaked toml for crates.io crate singletonum 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded singletonum-derive v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c50d80d0f3b103f717a4760b0320c6095fb7ad55357932308bb0e1eb5d7783be [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" "c50d80d0f3b103f717a4760b0320c6095fb7ad55357932308bb0e1eb5d7783be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c50d80d0f3b103f717a4760b0320c6095fb7ad55357932308bb0e1eb5d7783be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c50d80d0f3b103f717a4760b0320c6095fb7ad55357932308bb0e1eb5d7783be", kill_on_drop: false }` [INFO] [stdout] c50d80d0f3b103f717a4760b0320c6095fb7ad55357932308bb0e1eb5d7783be [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 01ecb64b862635d16fb5884dff504bf4a25fbc05cfdc3c0bb5eab15a9de528a4 [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" "01ecb64b862635d16fb5884dff504bf4a25fbc05cfdc3c0bb5eab15a9de528a4", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling gimli v0.23.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling rustc-demangle v0.1.18 [INFO] [stderr] Compiling object v0.22.0 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking once_cell v0.1.8 [INFO] [stderr] Compiling addr2line v0.14.1 [INFO] [stderr] Compiling backtrace v0.3.55 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling singletonum-derive v0.2.0 [INFO] [stderr] Checking singletonum v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.80s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "01ecb64b862635d16fb5884dff504bf4a25fbc05cfdc3c0bb5eab15a9de528a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01ecb64b862635d16fb5884dff504bf4a25fbc05cfdc3c0bb5eab15a9de528a4", kill_on_drop: false }` [INFO] [stdout] 01ecb64b862635d16fb5884dff504bf4a25fbc05cfdc3c0bb5eab15a9de528a4