[INFO] fetching crate ethers-contract 0.1.3...
[INFO] documenting ethers-contract-0.1.3 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate ethers-contract 0.1.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ethers-contract 0.1.3 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ethers-contract 0.1.3
[INFO] finished tweaking crates.io crate ethers-contract 0.1.3
[INFO] tweaked toml for crates.io crate ethers-contract 0.1.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-executor v0.3.5
[INFO] [stderr]   Downloaded smallvec v1.4.2
[INFO] [stderr]   Downloaded ethers-contract-derive v0.1.3
[INFO] [stderr]   Downloaded ethers-signers v0.1.3
[INFO] [stderr]   Downloaded futures-io v0.3.5
[INFO] [stderr]   Downloaded parking_lot v0.10.2
[INFO] [stderr]   Downloaded serial_test_derive v0.4.0
[INFO] [stderr]   Downloaded futures v0.3.5
[INFO] [stderr]   Downloaded parking_lot_core v0.7.2
[INFO] [stderr]   Downloaded serial_test v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5bb94ae47ec66a02aa7b0b7de48cce2dc706ca43e1a6e659c2e67653007051c
[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" "c5bb94ae47ec66a02aa7b0b7de48cce2dc706ca43e1a6e659c2e67653007051c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5bb94ae47ec66a02aa7b0b7de48cce2dc706ca43e1a6e659c2e67653007051c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5bb94ae47ec66a02aa7b0b7de48cce2dc706ca43e1a6e659c2e67653007051c", kill_on_drop: false }`
[INFO] [stdout] c5bb94ae47ec66a02aa7b0b7de48cce2dc706ca43e1a6e659c2e67653007051c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63c903b53b9f023f9919439fd193b1f135c5ac9a213662a5da92deba2a3e4cd5
[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" "63c903b53b9f023f9919439fd193b1f135c5ac9a213662a5da92deba2a3e4cd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking tracing-core v0.1.15
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling async-trait v0.1.40
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking impl-serde v0.3.1
[INFO] [stderr]     Checking parity-scale-codec v1.3.4
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking ethbloom v0.9.2
[INFO] [stderr]     Checking tokio-rustls v0.14.1
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking primitive-types v0.7.2
[INFO] [stderr]     Checking ethereum-types v0.9.2
[INFO] [stderr]     Checking ethabi-next v12.0.1
[INFO] [stderr]     Checking ethers-core v0.1.3
[INFO] [stderr]     Checking hyper-rustls v0.21.0
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]     Checking ethers-providers v0.1.3
[INFO] [stderr]     Checking ethers-signers v0.1.3
[INFO] [stderr]  Documenting ethers-contract v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.98s
[INFO] running `Command { std: "docker" "inspect" "63c903b53b9f023f9919439fd193b1f135c5ac9a213662a5da92deba2a3e4cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63c903b53b9f023f9919439fd193b1f135c5ac9a213662a5da92deba2a3e4cd5", kill_on_drop: false }`
[INFO] [stdout] 63c903b53b9f023f9919439fd193b1f135c5ac9a213662a5da92deba2a3e4cd5