[INFO] crate sub-strs 0.23.0 is already in cache [INFO] checking sub-strs-0.23.0 against try#22dd2dd1dc07f63ae9394352d412f020d2985684 for pr-74627 [INFO] extracting crate sub-strs 0.23.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate sub-strs 0.23.0 on toolchain 22dd2dd1dc07f63ae9394352d412f020d2985684 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate sub-strs 0.23.0 [INFO] finished tweaking crates.io crate sub-strs 0.23.0 [INFO] tweaked toml for crates.io crate sub-strs 0.23.0 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1a330d54524e4557358c56f15d01c2def7d6b697db233d0947350f2b92ec850f [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" "1a330d54524e4557358c56f15d01c2def7d6b697db233d0947350f2b92ec850f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1a330d54524e4557358c56f15d01c2def7d6b697db233d0947350f2b92ec850f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a330d54524e4557358c56f15d01c2def7d6b697db233d0947350f2b92ec850f", kill_on_drop: false }` [INFO] [stdout] 1a330d54524e4557358c56f15d01c2def7d6b697db233d0947350f2b92ec850f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "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] 2c90862ac7265231c2b51db11ed53bba3dd48c158a11ca33ff7f4a60eae3028e [INFO] running `Command { std: "docker" "start" "-a" "2c90862ac7265231c2b51db11ed53bba3dd48c158a11ca33ff7f4a60eae3028e", kill_on_drop: false }` [INFO] [stderr] Checking sub-strs v0.23.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.14s [INFO] running `Command { std: "docker" "inspect" "2c90862ac7265231c2b51db11ed53bba3dd48c158a11ca33ff7f4a60eae3028e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c90862ac7265231c2b51db11ed53bba3dd48c158a11ca33ff7f4a60eae3028e", kill_on_drop: false }` [INFO] [stdout] 2c90862ac7265231c2b51db11ed53bba3dd48c158a11ca33ff7f4a60eae3028e