[INFO] fetching crate ergo-lib-c-core 0.10.0...
[INFO] checking ergo-lib-c-core-0.10.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate ergo-lib-c-core 0.10.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ergo-lib-c-core 0.10.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ergo-lib-c-core 0.10.0
[INFO] finished tweaking crates.io crate ergo-lib-c-core 0.10.0
[INFO] tweaked toml for crates.io crate ergo-lib-c-core 0.10.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43b529add55237131bdf5679d200d5d90846b62984629cef661f41cda5a3834a
[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" "43b529add55237131bdf5679d200d5d90846b62984629cef661f41cda5a3834a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43b529add55237131bdf5679d200d5d90846b62984629cef661f41cda5a3834a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43b529add55237131bdf5679d200d5d90846b62984629cef661f41cda5a3834a", kill_on_drop: false }`
[INFO] [stdout] 43b529add55237131bdf5679d200d5d90846b62984629cef661f41cda5a3834a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] f164e118c8482486b079cf62591274e1e6eb42ac515cd53ebeca66765922e5ad
[INFO] running `Command { std: "docker" "start" "-a" "f164e118c8482486b079cf62591274e1e6eb42ac515cd53ebeca66765922e5ad", kill_on_drop: false }`
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling beef v0.5.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking countme v2.0.4
[INFO] [stderr]     Checking text-size v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking drop_bomb v0.1.5
[INFO] [stderr]     Checking line-col v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking elliptic-curve v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rowan v0.12.6
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking k256 v0.4.2
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking num-bigint v0.4.0
[INFO] [stderr]     Checking ergotree-ir v0.10.0
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]     Checking ergotree-interpreter v0.10.0
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking logos v0.12.0
[INFO] [stderr]     Checking ergoscript-compiler v0.6.0
[INFO] [stderr]     Checking ergo-lib v0.10.0
[INFO] [stderr]     Checking ergo-lib-c-core v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.52s
[INFO] running `Command { std: "docker" "inspect" "f164e118c8482486b079cf62591274e1e6eb42ac515cd53ebeca66765922e5ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f164e118c8482486b079cf62591274e1e6eb42ac515cd53ebeca66765922e5ad", kill_on_drop: false }`
[INFO] [stdout] f164e118c8482486b079cf62591274e1e6eb42ac515cd53ebeca66765922e5ad