[INFO] fetching crate frame-benchmarking 2.0.0-rc4...
[INFO] checking frame-benchmarking-2.0.0-rc4 against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] extracting crate frame-benchmarking 2.0.0-rc4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate frame-benchmarking 2.0.0-rc4 on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate frame-benchmarking 2.0.0-rc4
[INFO] finished tweaking crates.io crate frame-benchmarking 2.0.0-rc4
[INFO] tweaked toml for crates.io crate frame-benchmarking 2.0.0-rc4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] af6b736f853c87186b2413e688831af79f022aaf3a3590699c26975de2d34618
[INFO] running `Command { std: "docker" "start" "-a" "af6b736f853c87186b2413e688831af79f022aaf3a3590699c26975de2d34618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af6b736f853c87186b2413e688831af79f022aaf3a3590699c26975de2d34618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af6b736f853c87186b2413e688831af79f022aaf3a3590699c26975de2d34618", kill_on_drop: false }`
[INFO] [stdout] af6b736f853c87186b2413e688831af79f022aaf3a3590699c26975de2d34618
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91e3a5536a27650acebc576d166fa333e3b139823aa6c1f180dd9d5782b6339f
[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" "91e3a5536a27650acebc576d166fa333e3b139823aa6c1f180dd9d5782b6339f", kill_on_drop: false }`
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking statrs v0.10.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling sp-api-proc-macro v2.0.0-rc4
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking sp-arithmetic v2.0.0-rc4
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking sp-wasm-interface v2.0.0-rc4
[INFO] [stderr]     Checking sp-runtime-interface v2.0.0-rc4
[INFO] [stderr]     Checking sp-core v2.0.0-rc4
[INFO] [stderr]     Checking sp-trie v2.0.0-rc4
[INFO] [stderr]     Checking sp-inherents v2.0.0-rc4
[INFO] [stderr]     Checking frame-metadata v11.0.0-rc4
[INFO] [stderr]     Checking sp-state-machine v0.8.0-rc4
[INFO] [stderr]     Checking sp-io v2.0.0-rc4
[INFO] [stderr]     Checking sp-application-crypto v2.0.0-rc4
[INFO] [stderr]     Checking sp-runtime v2.0.0-rc4
[INFO] [stderr]     Checking sp-version v2.0.0-rc4
[INFO] [stderr]     Checking frame-support v2.0.0-rc4
[INFO] [stderr]     Checking sp-api v2.0.0-rc4
[INFO] [stderr]     Checking linregress v0.1.7
[INFO] [stderr]     Checking frame-system v2.0.0-rc4
[INFO] [stderr]     Checking frame-benchmarking v2.0.0-rc4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "91e3a5536a27650acebc576d166fa333e3b139823aa6c1f180dd9d5782b6339f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91e3a5536a27650acebc576d166fa333e3b139823aa6c1f180dd9d5782b6339f", kill_on_drop: false }`
[INFO] [stdout] 91e3a5536a27650acebc576d166fa333e3b139823aa6c1f180dd9d5782b6339f