[INFO] fetching crate ethers-core 0.1.3...
[INFO] checking ethers-core-0.1.3 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] extracting crate ethers-core 0.1.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate ethers-core 0.1.3 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ethers-core 0.1.3
[INFO] finished tweaking crates.io crate ethers-core 0.1.3
[INFO] tweaked toml for crates.io crate ethers-core 0.1.3 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61da79c38266f2d1310534b2cadf9120e9a09386ac20c96189747b9724716fb3
[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" "61da79c38266f2d1310534b2cadf9120e9a09386ac20c96189747b9724716fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61da79c38266f2d1310534b2cadf9120e9a09386ac20c96189747b9724716fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61da79c38266f2d1310534b2cadf9120e9a09386ac20c96189747b9724716fb3", kill_on_drop: false }`
[INFO] [stdout] 61da79c38266f2d1310534b2cadf9120e9a09386ac20c96189747b9724716fb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3575abddc8ab645c0bc96c26e5765fd2c7ba6b826eb69c629e3b4ba1a270e1e
[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" "a3575abddc8ab645c0bc96c26e5765fd2c7ba6b826eb69c629e3b4ba1a270e1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking rlp v0.4.6
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking impl-rlp v0.2.1
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking parity-scale-codec v1.3.5
[INFO] [stderr]     Checking impl-serde v0.3.1
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking ethbloom v0.9.2
[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 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.87s
[INFO] running `Command { std: "docker" "inspect" "a3575abddc8ab645c0bc96c26e5765fd2c7ba6b826eb69c629e3b4ba1a270e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3575abddc8ab645c0bc96c26e5765fd2c7ba6b826eb69c629e3b4ba1a270e1e", kill_on_drop: false }`
[INFO] [stdout] a3575abddc8ab645c0bc96c26e5765fd2c7ba6b826eb69c629e3b4ba1a270e1e