[INFO] cloning repository https://github.com/raghavendra-nataraj/rustling-solution [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raghavendra-nataraj/rustling-solution" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraghavendra-nataraj%2Frustling-solution", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraghavendra-nataraj%2Frustling-solution'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0ea9e790fe1611836d83b83a64083ab9f45c8ee0 [INFO] checking raghavendra-nataraj/rustling-solution against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraghavendra-nataraj%2Frustling-solution" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/raghavendra-nataraj/rustling-solution on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/raghavendra-nataraj/rustling-solution [INFO] finished tweaking git repo https://github.com/raghavendra-nataraj/rustling-solution [INFO] tweaked toml for git repo https://github.com/raghavendra-nataraj/rustling-solution written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/raghavendra-nataraj/rustling-solution already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proc-macro2 v0.4.30 [INFO] [stderr] Downloaded quote v0.6.12 [INFO] [stderr] Downloaded walkdir v2.2.7 [INFO] [stderr] Downloaded normalize-line-endings v0.2.2 [INFO] [stderr] Downloaded autocfg v0.1.4 [INFO] [stderr] Downloaded num-traits v0.2.8 [INFO] [stderr] Downloaded notify v4.0.15 [INFO] [stderr] Downloaded float-cmp v0.4.0 [INFO] [stderr] Downloaded predicates v1.0.1 [INFO] [stderr] Downloaded difference v2.0.0 [INFO] [stderr] Downloaded termios v0.3.1 [INFO] [stderr] Downloaded clicolors-control v1.0.0 [INFO] [stderr] Downloaded escargot v0.4.0 [INFO] [stderr] Downloaded ryu v0.2.8 [INFO] [stderr] Downloaded itoa v0.4.4 [INFO] [stderr] Downloaded cfg-if v0.1.9 [INFO] [stderr] Downloaded fsevent v0.4.0 [INFO] [stderr] Downloaded parking_lot_core v0.5.0 [INFO] [stderr] Downloaded glob v0.3.0 [INFO] [stderr] Downloaded clap v2.33.0 [INFO] [stderr] Downloaded inotify-sys v0.1.3 [INFO] [stderr] Downloaded serde v1.0.92 [INFO] [stderr] Downloaded rand_jitter v0.1.4 [INFO] [stderr] Downloaded indicatif v0.10.3 [INFO] [stderr] Downloaded termion v1.5.2 [INFO] [stderr] Downloaded libc v0.2.58 [INFO] [stderr] Downloaded mio v0.6.19 [INFO] [stderr] Downloaded syn v0.15.34 [INFO] [stderr] Downloaded parking_lot v0.8.0 [INFO] [stderr] Downloaded filetime v0.2.5 [INFO] [stderr] Downloaded inotify v0.7.0 [INFO] [stderr] Downloaded fsevent-sys v2.0.1 [INFO] [stderr] Downloaded mio-extras v2.0.5 [INFO] [stderr] Downloaded same-file v1.0.4 [INFO] [stderr] Downloaded winapi-util v0.1.2 [INFO] [stderr] Downloaded serde_derive v1.0.92 [INFO] [stderr] Downloaded treeline v0.1.0 [INFO] [stderr] Downloaded predicates-tree v1.0.0 [INFO] [stderr] Downloaded assert_cmd v0.11.1 [INFO] [stderr] Downloaded console v0.7.7 [INFO] [stderr] Downloaded encode_unicode v0.3.5 [INFO] [stderr] Downloaded console v0.8.0 [INFO] [stderr] Downloaded scopeguard v1.0.0 [INFO] [stderr] Downloaded lock_api v0.2.0 [INFO] [stderr] Downloaded redox_syscall v0.1.54 [INFO] [stderr] Downloaded regex-syntax v0.6.6 [INFO] [stderr] Downloaded aho-corasick v0.7.3 [INFO] [stderr] Downloaded predicates-core v1.0.0 [INFO] [stderr] Downloaded regex v1.1.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 261fd4bdb3d7a7f8032d72ada9f486abb0c369c3325c33ed090da26206c362e2 [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" "261fd4bdb3d7a7f8032d72ada9f486abb0c369c3325c33ed090da26206c362e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "261fd4bdb3d7a7f8032d72ada9f486abb0c369c3325c33ed090da26206c362e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "261fd4bdb3d7a7f8032d72ada9f486abb0c369c3325c33ed090da26206c362e2", kill_on_drop: false }` [INFO] [stdout] 261fd4bdb3d7a7f8032d72ada9f486abb0c369c3325c33ed090da26206c362e2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 42c501e8a3ffe45498bb7be9c3c33f420156153c1bf3ca7f668566aa6aa04610 [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" "42c501e8a3ffe45498bb7be9c3c33f420156153c1bf3ca7f668566aa6aa04610", kill_on_drop: false }` [INFO] [stderr] Checking rustlings v3.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.62s [INFO] running `Command { std: "docker" "inspect" "42c501e8a3ffe45498bb7be9c3c33f420156153c1bf3ca7f668566aa6aa04610", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42c501e8a3ffe45498bb7be9c3c33f420156153c1bf3ca7f668566aa6aa04610", kill_on_drop: false }` [INFO] [stdout] 42c501e8a3ffe45498bb7be9c3c33f420156153c1bf3ca7f668566aa6aa04610