[INFO] fetching crate ethereum 0.5.1...
[INFO] checking ethereum-0.5.1 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate ethereum 0.5.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ethereum 0.5.1 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ethereum 0.5.1
[INFO] finished tweaking crates.io crate ethereum 0.5.1
[INFO] tweaked toml for crates.io crate ethereum 0.5.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded triehash v0.8.4
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 801cd3c6d75857999aa7c76e0a4d7fef08357d487f0992b409afeeb466102648
[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" "801cd3c6d75857999aa7c76e0a4d7fef08357d487f0992b409afeeb466102648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "801cd3c6d75857999aa7c76e0a4d7fef08357d487f0992b409afeeb466102648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "801cd3c6d75857999aa7c76e0a4d7fef08357d487f0992b409afeeb466102648", kill_on_drop: false }`
[INFO] [stdout] 801cd3c6d75857999aa7c76e0a4d7fef08357d487f0992b409afeeb466102648
[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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edab03cea6892203d0e349ae4a7511987e57792845623df2529bb2dde93f71cd
[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" "edab03cea6892203d0e349ae4a7511987e57792845623df2529bb2dde93f71cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling hex-literal v0.3.1
[INFO] [stderr]     Checking rlp v0.4.6
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rlp v0.5.0
[INFO] [stderr]     Checking impl-rlp v0.2.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking triehash v0.8.4
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]     Checking ethbloom v0.9.2
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]    Compiling rlp-derive v0.1.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling parity-scale-codec-derive v1.2.2
[INFO] [stderr]     Checking parity-scale-codec v1.3.6
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking primitive-types v0.7.3
[INFO] [stderr]     Checking ethereum-types v0.9.2
[INFO] [stderr]     Checking ethereum v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "edab03cea6892203d0e349ae4a7511987e57792845623df2529bb2dde93f71cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edab03cea6892203d0e349ae4a7511987e57792845623df2529bb2dde93f71cd", kill_on_drop: false }`
[INFO] [stdout] edab03cea6892203d0e349ae4a7511987e57792845623df2529bb2dde93f71cd