[INFO] fetching crate erc20 0.1.1...
[INFO] checking erc20-0.1.1 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate erc20 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate erc20 0.1.1 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate erc20 0.1.1
[INFO] finished tweaking crates.io crate erc20 0.1.1
[INFO] tweaked toml for crates.io crate erc20 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded web3 v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b516e24ed5210969eb366e67cf99ade00dfd2294be51f6acabc0314bb48544d
[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" "1b516e24ed5210969eb366e67cf99ade00dfd2294be51f6acabc0314bb48544d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b516e24ed5210969eb366e67cf99ade00dfd2294be51f6acabc0314bb48544d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b516e24ed5210969eb366e67cf99ade00dfd2294be51f6acabc0314bb48544d", kill_on_drop: false }`
[INFO] [stdout] 1b516e24ed5210969eb366e67cf99ade00dfd2294be51f6acabc0314bb48544d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98264dbcc582e4f2c790f0a362bc8662c588cfb9e21765dba35d48a34fb82394
[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" "98264dbcc582e4f2c790f0a362bc8662c588cfb9e21765dba35d48a34fb82394", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking rlp v0.4.6
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking impl-rlp v0.2.1
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]     Checking sha-1 v0.9.4
[INFO] [stderr]     Checking nb-connect v1.0.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]    Compiling ctor v0.1.19
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking soketto v0.4.2
[INFO] [stderr]     Checking serde v1.0.123
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking async-native-tls v0.3.3
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking impl-serde v0.3.1
[INFO] [stderr]     Checking parity-scale-codec v1.3.6
[INFO] [stderr]     Checking serde_json v1.0.62
[INFO] [stderr]     Checking ethbloom v0.9.2
[INFO] [stderr]     Checking jsonrpc-core v14.2.0
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking primitive-types v0.7.3
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking ethereum-types v0.9.2
[INFO] [stderr]     Checking ethabi v12.0.0
[INFO] [stderr]     Checking web3 v0.13.0
[INFO] [stderr]     Checking erc20 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 48s
[INFO] running `Command { std: "docker" "inspect" "98264dbcc582e4f2c790f0a362bc8662c588cfb9e21765dba35d48a34fb82394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98264dbcc582e4f2c790f0a362bc8662c588cfb9e21765dba35d48a34fb82394", kill_on_drop: false }`
[INFO] [stdout] 98264dbcc582e4f2c790f0a362bc8662c588cfb9e21765dba35d48a34fb82394