[INFO] cloning repository https://github.com/knoldus/schedule-the-rust-program [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/knoldus/schedule-the-rust-program" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknoldus%2Fschedule-the-rust-program", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknoldus%2Fschedule-the-rust-program'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d324134f16c98b83b98f2ab89160a9838f0a6830 [INFO] checking knoldus/schedule-the-rust-program against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknoldus%2Fschedule-the-rust-program" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/knoldus/schedule-the-rust-program on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/knoldus/schedule-the-rust-program [INFO] finished tweaking git repo https://github.com/knoldus/schedule-the-rust-program [INFO] tweaked toml for git repo https://github.com/knoldus/schedule-the-rust-program written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/knoldus/schedule-the-rust-program already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cron v0.6.1 [INFO] [stderr] Downloaded job_scheduler v1.2.1 [INFO] [stderr] Downloaded nom v4.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a801719fdfd23ad17a777cbaaf29236153428b42c21b5c53245e9f9f7f2496e2 [INFO] running `Command { std: "docker" "start" "-a" "a801719fdfd23ad17a777cbaaf29236153428b42c21b5c53245e9f9f7f2496e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a801719fdfd23ad17a777cbaaf29236153428b42c21b5c53245e9f9f7f2496e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a801719fdfd23ad17a777cbaaf29236153428b42c21b5c53245e9f9f7f2496e2", kill_on_drop: false }` [INFO] [stdout] a801719fdfd23ad17a777cbaaf29236153428b42c21b5c53245e9f9f7f2496e2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7b3e9867edf0f73d74c8b230dad40568044573ae2abef4a18782fe86349d724d [INFO] running `Command { std: "docker" "start" "-a" "7b3e9867edf0f73d74c8b230dad40568044573ae2abef4a18782fe86349d724d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Checking object v0.22.0 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking nom v4.1.1 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking addr2line v0.14.0 [INFO] [stderr] Checking uuid v0.8.1 [INFO] [stderr] Checking backtrace v0.3.55 [INFO] [stderr] Checking error-chain v0.10.0 [INFO] [stderr] Checking cron v0.6.1 [INFO] [stderr] Checking job_scheduler v1.2.1 [INFO] [stderr] Checking schedule-the-rust-program v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.06s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.1.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "7b3e9867edf0f73d74c8b230dad40568044573ae2abef4a18782fe86349d724d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b3e9867edf0f73d74c8b230dad40568044573ae2abef4a18782fe86349d724d", kill_on_drop: false }` [INFO] [stdout] 7b3e9867edf0f73d74c8b230dad40568044573ae2abef4a18782fe86349d724d [INFO] checking knoldus/schedule-the-rust-program against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknoldus%2Fschedule-the-rust-program" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/knoldus/schedule-the-rust-program on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/knoldus/schedule-the-rust-program [INFO] finished tweaking git repo https://github.com/knoldus/schedule-the-rust-program [INFO] tweaked toml for git repo https://github.com/knoldus/schedule-the-rust-program written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/knoldus/schedule-the-rust-program already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d9a13120fe5803440fab614e33c3860eee1907e632a6414d79a03bc17bc16d21 [INFO] running `Command { std: "docker" "start" "-a" "d9a13120fe5803440fab614e33c3860eee1907e632a6414d79a03bc17bc16d21", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d9a13120fe5803440fab614e33c3860eee1907e632a6414d79a03bc17bc16d21", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9a13120fe5803440fab614e33c3860eee1907e632a6414d79a03bc17bc16d21", kill_on_drop: false }` [INFO] [stdout] d9a13120fe5803440fab614e33c3860eee1907e632a6414d79a03bc17bc16d21 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 360ecb50d2a533adfc3409ddcedc419af7c32fffcbf59aeaf15b3c7f4d33cc40 [INFO] running `Command { std: "docker" "start" "-a" "360ecb50d2a533adfc3409ddcedc419af7c32fffcbf59aeaf15b3c7f4d33cc40", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Checking object v0.22.0 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking nom v4.1.1 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking addr2line v0.14.0 [INFO] [stderr] Checking uuid v0.8.1 [INFO] [stderr] Checking backtrace v0.3.55 [INFO] [stderr] Checking error-chain v0.10.0 [INFO] [stderr] Checking cron v0.6.1 [INFO] [stderr] Checking job_scheduler v1.2.1 [INFO] [stderr] Checking schedule-the-rust-program v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.49s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.1.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "360ecb50d2a533adfc3409ddcedc419af7c32fffcbf59aeaf15b3c7f4d33cc40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "360ecb50d2a533adfc3409ddcedc419af7c32fffcbf59aeaf15b3c7f4d33cc40", kill_on_drop: false }` [INFO] [stdout] 360ecb50d2a533adfc3409ddcedc419af7c32fffcbf59aeaf15b3c7f4d33cc40