[INFO] fetching crate ethers 0.5.4...
[INFO] checking ethers-0.5.4 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate ethers 0.5.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate ethers 0.5.4 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ethers 0.5.4
[INFO] finished tweaking crates.io crate ethers 0.5.4
[INFO] tweaked toml for crates.io crate ethers 0.5.4 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate ethers 0.5.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f603ff37a2c1829baac6bab76dc443a4c441c871c17d585bdf2dec512eb52666
[INFO] running `Command { std: "docker" "start" "-a" "f603ff37a2c1829baac6bab76dc443a4c441c871c17d585bdf2dec512eb52666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f603ff37a2c1829baac6bab76dc443a4c441c871c17d585bdf2dec512eb52666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f603ff37a2c1829baac6bab76dc443a4c441c871c17d585bdf2dec512eb52666", kill_on_drop: false }`
[INFO] [stdout] f603ff37a2c1829baac6bab76dc443a4c441c871c17d585bdf2dec512eb52666
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7355d62e6d50dce8206c3978f4af214b445f755010586634540e83472083b28
[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" "b7355d62e6d50dce8206c3978f4af214b445f755010586634540e83472083b28", kill_on_drop: false }`
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[INFO] [stderr]     Checking coins-core v0.2.2
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[INFO] [stderr]     Checking ethbloom v0.11.1
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[INFO] [stderr]     Checking eth-keystore v0.3.0
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[INFO] [stderr]    Compiling parity-scale-codec-derive v2.3.1
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[INFO] [stderr]     Checking h2 v0.3.6
[INFO] [stderr]    Compiling impl-codec v0.5.1
[INFO] [stderr]    Compiling primitive-types v0.10.1
[INFO] [stderr]    Compiling ethereum-types v0.12.1
[INFO] [stderr]    Compiling ethabi v15.0.0
[INFO] [stderr]     Checking ethers-core v0.5.5
[INFO] [stderr]     Checking hyper v0.14.13
[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.5
[INFO] [stderr]     Checking ethers-providers v0.5.5
[INFO] [stderr]     Checking ethers-contract-abigen v0.5.4
[INFO] [stderr]     Checking ethers-signers v0.5.4
[INFO] [stderr]    Compiling ethers-derive-eip712 v0.1.1
[INFO] [stderr]    Compiling ethers-contract-derive v0.5.4
[INFO] [stderr]     Checking ethers-contract v0.5.4
[INFO] [stderr]     Checking ethers-middleware v0.5.4
[INFO] [stderr]     Checking ethers v0.5.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ethers::prelude::*`
[INFO] [stdout]  --> examples/ipc.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ethers::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> examples/ipc.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: failed to get ABI JSON
[INFO] [stdout]  --> examples/contract_with_abi_and_structs.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     "ethers-contract/tests/solidity-contracts/verifier_abi.json"
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `VerifierContract`
[INFO] [stdout]   --> examples/contract_with_abi_and_structs.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let contract = VerifierContract::new(Address::zero(), client);
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^ use of undeclared type `VerifierContract`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `G1Point` in this scope
[INFO] [stdout]   --> examples/contract_with_abi_and_structs.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let g1 = G1Point {
[INFO] [stdout]    |              ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `G2Point` in this scope
[INFO] [stdout]   --> examples/contract_with_abi_and_structs.rs:30:14
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let g2 = G2Point {
[INFO] [stdout]    |              ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `VerifyingKey` in this scope
[INFO] [stdout]   --> examples/contract_with_abi_and_structs.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let vk = VerifyingKey {
[INFO] [stdout]    |              ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Proof` in this scope
[INFO] [stdout]   --> examples/contract_with_abi_and_structs.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let proof = Proof {
[INFO] [stdout]    |                 ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ethers` due to 7 previous errors
[INFO] [stdout] Some errors have detailed explanations: E0422, E0433.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b7355d62e6d50dce8206c3978f4af214b445f755010586634540e83472083b28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7355d62e6d50dce8206c3978f4af214b445f755010586634540e83472083b28", kill_on_drop: false }`
[INFO] [stdout] b7355d62e6d50dce8206c3978f4af214b445f755010586634540e83472083b28