[INFO] fetching crate async_io_stream 0.1.0...
[INFO] checking async_io_stream-0.1.0 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate async_io_stream 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate async_io_stream 0.1.0 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/.cargo/config
[INFO] started tweaking crates.io crate async_io_stream 0.1.0
[INFO] finished tweaking crates.io crate async_io_stream 0.1.0
[INFO] tweaked toml for crates.io crate async_io_stream 0.1.0 written to /workspace/builds/worker-1/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 163f3292b9372013c69bd94bc57dddffeddf742d6ac9c4fc0f6e7a9b219d3f3e
[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" "163f3292b9372013c69bd94bc57dddffeddf742d6ac9c4fc0f6e7a9b219d3f3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "163f3292b9372013c69bd94bc57dddffeddf742d6ac9c4fc0f6e7a9b219d3f3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "163f3292b9372013c69bd94bc57dddffeddf742d6ac9c4fc0f6e7a9b219d3f3e", kill_on_drop: false }`
[INFO] [stdout] 163f3292b9372013c69bd94bc57dddffeddf742d6ac9c4fc0f6e7a9b219d3f3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 14f6f1c8aedad15097a2d92d3a244e8dce3e9fe115d5188a52fc0372d6c68a91
[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" "14f6f1c8aedad15097a2d92d3a244e8dce3e9fe115d5188a52fc0372d6c68a91", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking futures-sink v0.3.6
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking async-task v4.0.2
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking yansi v0.5.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking assert_matches v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]     Checking futures-lite v1.10.1
[INFO] [stderr]     Checking async-channel v1.5.0
[INFO] [stderr]     Checking async_io_stream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking polling v2.0.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking async-io v1.1.9
[INFO] [stderr]     Checking blocking v1.0.1
[INFO] [stderr]     Checking async-global-executor v1.3.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling pin-project-internal v0.4.26
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking async-std v1.6.5
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking flexi_logger v0.15.12
[INFO] [stderr]     Checking pin-project v0.4.26
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking futures-executor v0.3.6
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Checking futures-test v0.3.6
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.52s
[INFO] running `Command { std: "docker" "inspect" "14f6f1c8aedad15097a2d92d3a244e8dce3e9fe115d5188a52fc0372d6c68a91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14f6f1c8aedad15097a2d92d3a244e8dce3e9fe115d5188a52fc0372d6c68a91", kill_on_drop: false }`
[INFO] [stdout] 14f6f1c8aedad15097a2d92d3a244e8dce3e9fe115d5188a52fc0372d6c68a91