[INFO] fetching crate future-bus 0.2.1...
[INFO] checking future-bus-0.2.1 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate future-bus 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate future-bus 0.2.1 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate future-bus 0.2.1
[INFO] finished tweaking crates.io crate future-bus 0.2.1
[INFO] tweaked toml for crates.io crate future-bus 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 941f827d5f8bcddf176d792f4d32e734d207dcdfdf1ee8f33c1860827b80b847
[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" "941f827d5f8bcddf176d792f4d32e734d207dcdfdf1ee8f33c1860827b80b847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "941f827d5f8bcddf176d792f4d32e734d207dcdfdf1ee8f33c1860827b80b847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "941f827d5f8bcddf176d792f4d32e734d207dcdfdf1ee8f33c1860827b80b847", kill_on_drop: false }`
[INFO] [stdout] 941f827d5f8bcddf176d792f4d32e734d207dcdfdf1ee8f33c1860827b80b847
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] 7f0381fd44cb5dd0e4383dfec7be4de9a4528c131df684f07889ae360733beca
[INFO] running `Command { std: "docker" "start" "-a" "7f0381fd44cb5dd0e4383dfec7be4de9a4528c131df684f07889ae360733beca", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking futures-io v0.3.18
[INFO] [stderr]     Checking futures-channel v0.3.18
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking future-bus v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.18
[INFO] [stderr]     Checking futures v0.3.18
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.92s
[INFO] running `Command { std: "docker" "inspect" "7f0381fd44cb5dd0e4383dfec7be4de9a4528c131df684f07889ae360733beca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f0381fd44cb5dd0e4383dfec7be4de9a4528c131df684f07889ae360733beca", kill_on_drop: false }`
[INFO] [stdout] 7f0381fd44cb5dd0e4383dfec7be4de9a4528c131df684f07889ae360733beca