[INFO] fetching crate async-std-resolver 0.20.0-alpha.2...
[INFO] checking async-std-resolver-0.20.0-alpha.2 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate async-std-resolver 0.20.0-alpha.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate async-std-resolver 0.20.0-alpha.2 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-std-resolver 0.20.0-alpha.2
[INFO] finished tweaking crates.io crate async-std-resolver 0.20.0-alpha.2
[INFO] tweaked toml for crates.io crate async-std-resolver 0.20.0-alpha.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1720184fe1406dcd623a073caf7b3cacc0b407027a98599a3eef7ed91d7e2e0
[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" "e1720184fe1406dcd623a073caf7b3cacc0b407027a98599a3eef7ed91d7e2e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1720184fe1406dcd623a073caf7b3cacc0b407027a98599a3eef7ed91d7e2e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1720184fe1406dcd623a073caf7b3cacc0b407027a98599a3eef7ed91d7e2e0", kill_on_drop: false }`
[INFO] [stdout] e1720184fe1406dcd623a073caf7b3cacc0b407027a98599a3eef7ed91d7e2e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eef275b2d3b244b798a7d8d7133aff89319c2276f9f6587a40acefa50c4c949b
[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" "eef275b2d3b244b798a7d8d7133aff89319c2276f9f6587a40acefa50c4c949b", kill_on_drop: false }`
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking futures-sink v0.3.6
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking rustc-demangle v0.1.17
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking async-std v1.6.5
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]     Checking trust-dns-proto v0.20.0-alpha.2
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Checking trust-dns-resolver v0.20.0-alpha.2
[INFO] [stderr]     Checking async-std-resolver v0.20.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.04s
[INFO] running `Command { std: "docker" "inspect" "eef275b2d3b244b798a7d8d7133aff89319c2276f9f6587a40acefa50c4c949b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eef275b2d3b244b798a7d8d7133aff89319c2276f9f6587a40acefa50c4c949b", kill_on_drop: false }`
[INFO] [stdout] eef275b2d3b244b798a7d8d7133aff89319c2276f9f6587a40acefa50c4c949b