[INFO] cloning repository https://github.com/kartiknair/zksnark-playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kartiknair/zksnark-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkartiknair%2Fzksnark-playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkartiknair%2Fzksnark-playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bacf06c7f34ffa7394cd4e834d535bf4a8d40b22 [INFO] checking kartiknair/zksnark-playground against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkartiknair%2Fzksnark-playground" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kartiknair/zksnark-playground on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kartiknair/zksnark-playground [INFO] finished tweaking git repo https://github.com/kartiknair/zksnark-playground [INFO] tweaked toml for git repo https://github.com/kartiknair/zksnark-playground written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/kartiknair/zksnark-playground 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" "+00bfd6b2734d9c28a147bf237490995731781fdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded itertools v0.6.5 [INFO] [stderr] Downloaded pairing v0.21.0 [INFO] [stderr] Downloaded bellman v0.11.1 [INFO] [stderr] Downloaded jemalloc-ctl v0.3.3 [INFO] [stderr] Downloaded ff v0.11.0 [INFO] [stderr] Downloaded bls12_381 v0.6.0 [INFO] [stderr] Downloaded zksnark v0.0.2 [INFO] [stderr] Downloaded bn v0.4.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bf8683f40fb91a211683003e19d5605e79b07c71792e3bebc9ca27c859df1e64 [INFO] running `Command { std: "docker" "start" "-a" "bf8683f40fb91a211683003e19d5605e79b07c71792e3bebc9ca27c859df1e64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bf8683f40fb91a211683003e19d5605e79b07c71792e3bebc9ca27c859df1e64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf8683f40fb91a211683003e19d5605e79b07c71792e3bebc9ca27c859df1e64", kill_on_drop: false }` [INFO] [stdout] bf8683f40fb91a211683003e19d5605e79b07c71792e3bebc9ca27c859df1e64 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+00bfd6b2734d9c28a147bf237490995731781fdd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8bc4ffd5db617eb7dad1debf2a22c6d2b6e09f7e034ebd4a387f95afbdff1764 [INFO] running `Command { std: "docker" "start" "-a" "8bc4ffd5db617eb7dad1debf2a22c6d2b6e09f7e034ebd4a387f95afbdff1764", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling radium v0.6.2 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Checking funty v1.2.0 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling crunchy v0.1.6 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Checking arrayref v0.3.6 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking wyz v0.4.0 [INFO] [stderr] Checking byteorder v0.5.3 [INFO] [stderr] Checking constant_time_eq v0.1.5 [INFO] [stderr] Checking itertools v0.6.5 [INFO] [stderr] Checking cpufeatures v0.2.2 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking blake2s_simd v0.5.11 [INFO] [stderr] Checking bigint v4.4.3 [INFO] [stderr] Checking bitvec v0.22.3 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Checking paste v0.1.18 [INFO] [stderr] Compiling jemalloc-sys v0.3.2 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking generic-array v0.14.5 [INFO] [stderr] Checking getrandom v0.2.5 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking block-buffer v0.10.2 [INFO] [stderr] Checking crypto-common v0.1.3 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking digest v0.10.3 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking bn v0.4.3 [INFO] [stderr] Checking sha2 v0.10.2 [INFO] [stderr] Checking zksnark v0.0.2 [INFO] [stderr] Checking ff v0.11.0 [INFO] [stderr] Checking group v0.11.0 [INFO] [stderr] Checking pairing v0.21.0 [INFO] [stderr] Checking bls12_381 v0.6.0 [INFO] [stderr] Checking bellman v0.11.1 [INFO] [stderr] Checking jemallocator v0.3.2 [INFO] [stderr] Checking jemalloc-ctl v0.3.3 [INFO] [stderr] Checking zksnark-playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 37.94s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bigint v4.4.3, fs_extra v1.2.0, rustc-serialize v0.3.24 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "8bc4ffd5db617eb7dad1debf2a22c6d2b6e09f7e034ebd4a387f95afbdff1764", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8bc4ffd5db617eb7dad1debf2a22c6d2b6e09f7e034ebd4a387f95afbdff1764", kill_on_drop: false }` [INFO] [stdout] 8bc4ffd5db617eb7dad1debf2a22c6d2b6e09f7e034ebd4a387f95afbdff1764 [INFO] checking kartiknair/zksnark-playground against try#aa7c6ba69acce8b10a275eabfe6157ea72c8b599 for pr-117984 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkartiknair%2Fzksnark-playground" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kartiknair/zksnark-playground on toolchain aa7c6ba69acce8b10a275eabfe6157ea72c8b599 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kartiknair/zksnark-playground [INFO] finished tweaking git repo https://github.com/kartiknair/zksnark-playground [INFO] tweaked toml for git repo https://github.com/kartiknair/zksnark-playground written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/kartiknair/zksnark-playground 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" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c9e4f753e28defb0b899110731bca975e22d24bc997c494c595639035d72797e [INFO] running `Command { std: "docker" "start" "-a" "c9e4f753e28defb0b899110731bca975e22d24bc997c494c595639035d72797e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c9e4f753e28defb0b899110731bca975e22d24bc997c494c595639035d72797e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9e4f753e28defb0b899110731bca975e22d24bc997c494c595639035d72797e", kill_on_drop: false }` [INFO] [stdout] c9e4f753e28defb0b899110731bca975e22d24bc997c494c595639035d72797e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a72c0b08ac599177d85c0e38b1590f61c40ba16a8cce299b71909a8ea7dfcada [INFO] running `Command { std: "docker" "start" "-a" "a72c0b08ac599177d85c0e38b1590f61c40ba16a8cce299b71909a8ea7dfcada", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling radium v0.6.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking funty v1.2.0 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling crunchy v0.1.6 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking typenum v1.15.0 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking byteorder v0.5.3 [INFO] [stderr] Checking wyz v0.4.0 [INFO] [stderr] Checking arrayref v0.3.6 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking constant_time_eq v0.1.5 [INFO] [stderr] Checking itertools v0.6.5 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking blake2s_simd v0.5.11 [INFO] [stderr] Checking bigint v4.4.3 [INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.24/src/serialize.rs:1155:5 [INFO] [stdout] | [INFO] [stdout] 1155 | fn decode(d: &mut D) -> Result, D::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | the parameter type `T` must be valid for the static lifetime... [INFO] [stdout] | ...so that the type `T` will meet its required lifetime bounds... [INFO] [stdout] | [INFO] [stdout] note: ...that is required by this bound [INFO] [stdout] --> /rustc/aa7c6ba69acce8b10a275eabfe6157ea72c8b599/library/alloc/src/borrow.rs:180:30 [INFO] [stdout] help: consider adding an explicit lifetime bound [INFO] [stdout] | [INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T> [INFO] [stdout] | +++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Checking paste v0.1.18 [INFO] [stderr] Checking bitvec v0.22.3 [INFO] [stderr] Checking generic-array v0.14.5 [INFO] [stderr] Checking getrandom v0.2.5 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Compiling jemalloc-sys v0.3.2 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0310`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "a72c0b08ac599177d85c0e38b1590f61c40ba16a8cce299b71909a8ea7dfcada", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a72c0b08ac599177d85c0e38b1590f61c40ba16a8cce299b71909a8ea7dfcada", kill_on_drop: false }` [INFO] [stdout] a72c0b08ac599177d85c0e38b1590f61c40ba16a8cce299b71909a8ea7dfcada