[INFO] updating cached repository https://github.com/matterinc/plasma_winter [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 923297a9ac6bae1a2923b36354686ed5b824949e [INFO] checking matterinc/plasma_winter against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatterinc%2Fplasma_winter" "/workspace/builds/worker-10/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/matterinc/plasma_winter on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/matterinc/plasma_winter [INFO] finished tweaking git repo https://github.com/matterinc/plasma_winter [INFO] tweaked toml for git repo https://github.com/matterinc/plasma_winter written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/matterinc/plasma_winter already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 184d1577d57f28443f2585a44be3573c71bad88a1bc4bed2681ec8de109fbc09 [INFO] running `"docker" "start" "-a" "184d1577d57f28443f2585a44be3573c71bad88a1bc4bed2681ec8de109fbc09"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling heapsize v0.4.2 [INFO] [stderr] Compiling crunchy v0.1.6 [INFO] [stderr] Checking rustc-hex v2.0.1 [INFO] [stderr] Compiling num-bigint v0.2.1 [INFO] [stderr] Checking string v0.1.2 [INFO] [stderr] Checking arc-swap v0.3.6 [INFO] [stderr] Compiling encoding_rs v0.8.13 [INFO] [stderr] Checking askama_escape v0.1.0 [INFO] [stderr] Checking rustc-hex v1.0.0 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking socket2 v0.3.8 [INFO] [stderr] Compiling brotli-sys v0.3.2 [INFO] [stderr] Compiling secp256k1 v0.11.5 [INFO] [stderr] Checking base64 v0.10.0 [INFO] [stderr] Compiling actix-web v0.7.15 [INFO] [stderr] Checking bytes v0.4.11 [INFO] [stderr] Checking pbr v1.0.1 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking ethereum-types-serialize v0.2.1 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking serde_json v1.0.33 [INFO] [stderr] Checking libflate v0.1.19 [INFO] [stderr] Checking flate2 v1.0.6 [INFO] [stderr] Checking signal-hook v0.1.6 [INFO] [stderr] Checking parking_lot_core v0.3.1 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling serde_derive v1.0.81 [INFO] [stderr] Compiling actix_derive v0.3.2 [INFO] [stderr] Checking native-tls v0.2.2 [INFO] [stderr] Checking crossbeam-epoch v0.6.1 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking blake2-rfc v0.2.18 (https://github.com/gtank/blake2-rfc?rev=7a5b5fc99ae483a0043db7547fb79a6fa44b88a9#7a5b5fc9) [INFO] [stderr] Checking tokio-io v0.1.10 [INFO] [stderr] Checking http v0.1.14 [INFO] [stderr] Checking tiny-keccak v1.4.2 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking hyper v0.10.15 [INFO] [stderr] Checking serde_urlencoded v0.5.4 [INFO] [stderr] Checking cookie v0.11.0 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking crossbeam-deque v0.6.2 [INFO] [stderr] Checking fixed-hash v0.2.5 [INFO] [stderr] Checking uint v0.4.1 [INFO] [stderr] Checking elastic-array v0.10.0 [INFO] [stderr] Checking crossbeam-channel v0.3.2 [INFO] [stderr] Checking tokio-reactor v0.1.7 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-tls v0.2.0 [INFO] [stderr] Checking rayon-core v1.4.1 [INFO] [stderr] Checking ethbloom v0.5.0 [INFO] [stderr] Checking tokio-tcp v0.1.2 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-uds v0.2.4 [INFO] [stderr] Checking tokio-signal v0.2.7 [INFO] [stderr] Checking ethereum-types v0.4.0 [INFO] [stderr] Checking crossbeam v0.5.0 [INFO] [stderr] Compiling ff_derive v0.3.0 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Checking rayon v1.0.3 [INFO] [stderr] Checking tokio-threadpool v0.1.9 [INFO] [stderr] Checking parking_lot_core v0.4.0 [INFO] [stderr] Checking h2 v0.1.14 [INFO] [stderr] Checking failure v0.1.3 [INFO] [stderr] Checking parking_lot v0.7.0 [INFO] [stderr] Checking tokio-fs v0.1.4 [INFO] [stderr] Checking trust-dns-proto v0.5.0 [INFO] [stderr] Checking brotli2 v0.3.2 [INFO] [stderr] Checking rlp v0.2.4 [INFO] [stderr] Checking rlp v0.3.0 [INFO] [stderr] Checking tokio v0.1.13 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Checking ff v0.4.0 [INFO] [stderr] Checking pairing v0.15.0 (https://github.com/matterinc/pairing#1363d021) [INFO] [stderr] Checking hyper v0.12.17 [INFO] [stderr] Checking ethabi v6.1.0 [INFO] [stderr] Checking jsonrpc-core v8.0.1 [INFO] [stderr] Checking ethereum-tx-sign v0.0.2 [INFO] [stderr] Checking tokio-uds v0.1.7 [INFO] [stderr] Checking websocket v0.21.1 [INFO] [stderr] Checking trust-dns-resolver v0.10.0 [INFO] [stderr] Checking bellman v0.1.1 (https://github.com/matterinc/bellman#e544678a) [INFO] [stderr] Checking actix v0.7.8 [INFO] [stderr] Checking hyper-tls v0.3.1 [INFO] [stderr] Checking reqwest v0.9.5 [INFO] [stderr] Checking web3 v0.5.1 (https://github.com/tomusdrw/rust-web3#8a2cfff9) [INFO] [stderr] Checking sapling-crypto v0.0.2 (https://github.com/matterinc/sapling-crypto#97b0b901) [INFO] [stderr] Checking actix-net v0.2.4 [INFO] [stderr] Checking plasma v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/server/baby_prover.rs:92:35 [INFO] [stderr] | [INFO] [stderr] 92 | pub fn create(initial_state: &State) -> [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn State` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/server/account_manager/rest_api.rs:24:19 [INFO] [stderr] | [INFO] [stderr] 24 | type BoxFut = Box, Error = hyper::Error> + Send>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error = hyper::Error> + Send` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/server/eth/mod.rs:22:45 [INFO] [stderr] | [INFO] [stderr] 22 | type Result = std::result::Result>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/server/demo_server/rest_api.rs:74:57 [INFO] [stderr] | [INFO] [stderr] 74 | fn send_transaction(req: &HttpRequest) -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/server/baby_prover.rs:92:35 [INFO] [stderr] | [INFO] [stderr] 92 | pub fn create(initial_state: &State) -> [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn State` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/server/account_manager/rest_api.rs:24:19 [INFO] [stderr] | [INFO] [stderr] 24 | type BoxFut = Box, Error = hyper::Error> + Send>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error = hyper::Error> + Send` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/server/eth/mod.rs:22:45 [INFO] [stderr] | [INFO] [stderr] 22 | type Result = std::result::Result>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/server/demo_server/rest_api.rs:74:57 [INFO] [stderr] | [INFO] [stderr] 74 | fn send_transaction(req: &HttpRequest) -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/server/baby_prover.rs:245:17 [INFO] [stderr] | [INFO] [stderr] 245 | let mut tree = & mut self.accounts_tree; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/server/baby_prover.rs:246:17 [INFO] [stderr] | [INFO] [stderr] 246 | let mut items = tree.items.clone(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/server/baby_prover.rs:290:17 [INFO] [stderr] | [INFO] [stderr] 290 | let mut transaction : Transaction = Transaction { [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/server/baby_prover.rs:245:17 [INFO] [stderr] | [INFO] [stderr] 245 | let mut tree = & mut self.accounts_tree; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/server/baby_prover.rs:246:17 [INFO] [stderr] | [INFO] [stderr] 246 | let mut items = tree.items.clone(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/server/baby_prover.rs:290:17 [INFO] [stderr] | [INFO] [stderr] 290 | let mut transaction : Transaction = Transaction { [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] error[E0596]: cannot borrow `client` as mutable, as it is not declared as mutable [INFO] [stderr] --> src/server/eth/mod.rs:213:13 [INFO] [stderr] | [INFO] [stderr] 203 | let client = ETHClient::new(TEST_PLASMA_ALWAYS_VERIFY); [INFO] [stderr] | ------ help: consider changing this to be mutable: `mut client` [INFO] [stderr] ... [INFO] [stderr] 213 | let r = client.commit_block(block_num, total_fees, tx_data_packed, new_root); [INFO] [stderr] | ^^^^^^ cannot borrow as mutable [INFO] [stderr] [INFO] [stderr] error[E0596]: cannot borrow `client` as mutable, as it is not declared as mutable [INFO] [stderr] --> src/server/eth/mod.rs:220:13 [INFO] [stderr] | [INFO] [stderr] 203 | let client = ETHClient::new(TEST_PLASMA_ALWAYS_VERIFY); [INFO] [stderr] | ------ help: consider changing this to be mutable: `mut client` [INFO] [stderr] ... [INFO] [stderr] 220 | let r = client.verify_block(block_num, proof); [INFO] [stderr] | ^^^^^^ cannot borrow as mutable [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0596`. [INFO] [stderr] error: could not compile `plasma`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: unused import: `Engine` [INFO] [stderr] --> src/bin/test_prepared_prover.rs:15:15 [INFO] [stderr] | [INFO] [stderr] 15 | use pairing::{Engine}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Engine` [INFO] [stderr] --> src/bin/test_prepared_prover.rs:15:15 [INFO] [stderr] | [INFO] [stderr] 15 | use pairing::{Engine}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/prove_128_txes.rs:140:13 [INFO] [stderr] | [INFO] [stderr] 140 | let mut items = tree.items.clone(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/read_write_keys.rs:148:13 [INFO] [stderr] | [INFO] [stderr] 148 | let mut items = tree.items.clone(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/test_prepared_prover.rs:146:13 [INFO] [stderr] | [INFO] [stderr] 146 | let mut items = tree.items.clone(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/test_prepared_prover.rs:146:13 [INFO] [stderr] | [INFO] [stderr] 146 | let mut items = tree.items.clone(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/read_write_keys.rs:148:13 [INFO] [stderr] | [INFO] [stderr] 148 | let mut items = tree.items.clone(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/prove_128_txes.rs:140:13 [INFO] [stderr] | [INFO] [stderr] 140 | let mut items = tree.items.clone(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "184d1577d57f28443f2585a44be3573c71bad88a1bc4bed2681ec8de109fbc09"` [INFO] running `"docker" "rm" "-f" "184d1577d57f28443f2585a44be3573c71bad88a1bc4bed2681ec8de109fbc09"` [INFO] [stdout] 184d1577d57f28443f2585a44be3573c71bad88a1bc4bed2681ec8de109fbc09