[INFO] fetching crate ethereum 0.7.1...
[INFO] checking ethereum-0.7.1 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate ethereum 0.7.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ethereum 0.7.1 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ethereum 0.7.1
[INFO] finished tweaking crates.io crate ethereum 0.7.1
[INFO] tweaked toml for crates.io crate ethereum 0.7.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 655d3262cad71ea78457af864913c404feaf171106e46500de4dff8df70c120f
[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" "655d3262cad71ea78457af864913c404feaf171106e46500de4dff8df70c120f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "655d3262cad71ea78457af864913c404feaf171106e46500de4dff8df70c120f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "655d3262cad71ea78457af864913c404feaf171106e46500de4dff8df70c120f", kill_on_drop: false }`
[INFO] [stdout] 655d3262cad71ea78457af864913c404feaf171106e46500de4dff8df70c120f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 482b4fdf9f403239d4e46a5b41f4a7d8ef653a44edf01e0dc93885be25530431
[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" "482b4fdf9f403239d4e46a5b41f4a7d8ef653a44edf01e0dc93885be25530431", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking byte-slice-cast v1.0.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking arrayvec v0.7.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking rlp v0.5.0
[INFO] [stderr]     Checking bitvec v0.20.4
[INFO] [stderr]     Checking uint v0.9.0
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]     Checking impl-rlp v0.3.0
[INFO] [stderr]     Checking triehash v0.8.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]     Checking ethbloom v0.11.0
[INFO] [stderr]    Compiling rlp-derive v0.1.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling parity-scale-codec-derive v2.1.0
[INFO] [stderr]     Checking parity-scale-codec v2.1.1
[INFO] [stderr]     Checking impl-codec v0.5.0
[INFO] [stderr]     Checking primitive-types v0.9.0
[INFO] [stderr]     Checking ethereum-types v0.11.0
[INFO] [stderr]     Checking ethereum v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.52s
[INFO] running `Command { std: "docker" "inspect" "482b4fdf9f403239d4e46a5b41f4a7d8ef653a44edf01e0dc93885be25530431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "482b4fdf9f403239d4e46a5b41f4a7d8ef653a44edf01e0dc93885be25530431", kill_on_drop: false }`
[INFO] [stdout] 482b4fdf9f403239d4e46a5b41f4a7d8ef653a44edf01e0dc93885be25530431