[INFO] cloning repository https://github.com/matterinc/plasma_cash_history_snark [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matterinc/plasma_cash_history_snark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatterinc%2Fplasma_cash_history_snark", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatterinc%2Fplasma_cash_history_snark'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5d6158af998f930a0cd7e77d88d1f53d688187ce [INFO] checking matterinc/plasma_cash_history_snark against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatterinc%2Fplasma_cash_history_snark" "/workspace/builds/worker-25/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/matterinc/plasma_cash_history_snark on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/matterinc/plasma_cash_history_snark [INFO] finished tweaking git repo https://github.com/matterinc/plasma_cash_history_snark [INFO] tweaked toml for git repo https://github.com/matterinc/plasma_cash_history_snark written to /workspace/builds/worker-25/source/Cargo.toml [INFO] crate git repo https://github.com/matterinc/plasma_cash_history_snark already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating git repository `https://github.com/matterinc/ff` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crossbeam v0.7.1 [INFO] [stderr] Downloaded libc v0.2.44 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1466dc2946d83af46f03981b27c6be5968f8a6d760e9c259e28160461ad3e04b [INFO] running `Command { std: "docker" "start" "-a" "1466dc2946d83af46f03981b27c6be5968f8a6d760e9c259e28160461ad3e04b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1466dc2946d83af46f03981b27c6be5968f8a6d760e9c259e28160461ad3e04b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1466dc2946d83af46f03981b27c6be5968f8a6d760e9c259e28160461ad3e04b", kill_on_drop: false }` [INFO] [stdout] 1466dc2946d83af46f03981b27c6be5968f8a6d760e9c259e28160461ad3e04b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5901dc4152260b7c7df7c62129b022fd96cef6b0d9f6c1304eed3e7718622092 [INFO] running `Command { std: "docker" "start" "-a" "5901dc4152260b7c7df7c62129b022fd96cef6b0d9f6c1304eed3e7718622092", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo. [INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously. [INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html [INFO] [stderr] When building the following dependencies, the given features will no longer be used: [INFO] [stderr] [INFO] [stderr] num-integer v0.1.39: default [INFO] [stderr] num-traits v0.2.6: default [INFO] [stderr] [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Compiling num-bigint v0.2.1 [INFO] [stderr] Compiling syn v0.15.29 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling serde v1.0.89 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Compiling crunchy v0.1.6 [INFO] [stderr] Checking hex v0.3.2 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking futures v0.1.25 [INFO] [stderr] Checking constant_time_eq v0.1.3 [INFO] [stderr] Checking bit-vec v0.4.4 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking arrayvec v0.4.8 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking crossbeam-channel v0.3.8 [INFO] [stderr] Checking tiny-keccak v1.4.2 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking blake2-rfc v0.2.18 (https://github.com/gtank/blake2-rfc?rev=7a5b5fc99ae483a0043db7547fb79a6fa44b88a9#7a5b5fc9) [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking crossbeam v0.7.1 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking generic-array v0.9.0 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking digest v0.7.6 [INFO] [stderr] Compiling serde_derive v1.0.89 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Compiling ff_derive v0.4.0 (https://github.com/matterinc/ff?tag=0.5#056a13b9) [INFO] [stderr] Checking ff v0.5.0 (https://github.com/matterinc/ff?tag=0.5#056a13b9) [INFO] [stderr] Checking pairing v0.16.2 (https://github.com/matterinc/pairing?tag=0.16.2#c2af46ca) [INFO] [stderr] Checking bellman v0.2.0 (https://github.com/matterinc/bellman?tag=0.2.0#6e45a4b2) [INFO] [stderr] Checking sapling-crypto v0.0.4 (https://github.com/matterinc/sapling-crypto?tag=0.0.4#6ac48e2f) [INFO] [stderr] Checking plasma_cash_history_snark v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/benchmark_proof_gen.rs from 2018 edition to 2021 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 55.33s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking num-bigint v0.2.1 [INFO] [stderr] Checking plasma_cash_history_snark v0.1.0 (/tmp/fixit) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.33s [INFO] running `Command { std: "docker" "inspect" "5901dc4152260b7c7df7c62129b022fd96cef6b0d9f6c1304eed3e7718622092", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5901dc4152260b7c7df7c62129b022fd96cef6b0d9f6c1304eed3e7718622092", kill_on_drop: false }` [INFO] [stdout] 5901dc4152260b7c7df7c62129b022fd96cef6b0d9f6c1304eed3e7718622092