[INFO] fetching crate thruster-core 0.9.0-alpha.2...
[INFO] checking thruster-core-0.9.0-alpha.2 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate thruster-core 0.9.0-alpha.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate thruster-core 0.9.0-alpha.2 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 thruster-core 0.9.0-alpha.2
[INFO] finished tweaking crates.io crate thruster-core 0.9.0-alpha.2
[INFO] tweaked toml for crates.io crate thruster-core 0.9.0-alpha.2 written to /workspace/builds/worker-8/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 81eff758168d1e1da00d6710360628aba28a8e5c1af618157c9ccca715f2837c
[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" "81eff758168d1e1da00d6710360628aba28a8e5c1af618157c9ccca715f2837c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81eff758168d1e1da00d6710360628aba28a8e5c1af618157c9ccca715f2837c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81eff758168d1e1da00d6710360628aba28a8e5c1af618157c9ccca715f2837c", kill_on_drop: false }`
[INFO] [stdout] 81eff758168d1e1da00d6710360628aba28a8e5c1af618157c9ccca715f2837c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] f958399347eedc04576dea605dbb6f96073c1e40967a585ff2d3bb9aede9df7d
[INFO] running `Command { std: "docker" "start" "-a" "f958399347eedc04576dea605dbb6f96073c1e40967a585ff2d3bb9aede9df7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking templatify v0.2.3
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking thruster-core-async-await v0.9.0-alpha.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking thruster-core v0.9.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.68s
[INFO] running `Command { std: "docker" "inspect" "f958399347eedc04576dea605dbb6f96073c1e40967a585ff2d3bb9aede9df7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f958399347eedc04576dea605dbb6f96073c1e40967a585ff2d3bb9aede9df7d", kill_on_drop: false }`
[INFO] [stdout] f958399347eedc04576dea605dbb6f96073c1e40967a585ff2d3bb9aede9df7d