[INFO] fetching crate genawaiter 0.99.1...
[INFO] checking genawaiter-0.99.1 against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] extracting crate genawaiter 0.99.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate genawaiter 0.99.1 on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate genawaiter 0.99.1
[INFO] finished tweaking crates.io crate genawaiter 0.99.1
[INFO] tweaked toml for crates.io crate genawaiter 0.99.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-macro v0.3.13
[INFO] [stderr]   Downloaded futures-executor v0.3.13
[INFO] [stderr]   Downloaded futures-io v0.3.13
[INFO] [stderr]   Downloaded futures-sink v0.3.13
[INFO] [stderr]   Downloaded futures v0.3.13
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.7
[INFO] [stderr]   Downloaded slab v0.4.2
[INFO] [stderr]   Downloaded once_cell v1.7.2
[INFO] [stderr]   Downloaded genawaiter-macro v0.99.1
[INFO] [stderr]   Downloaded genawaiter-proc-macro v0.99.1
[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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", 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] 455f35ca3f3d459007d29bfa5baaaf6fe32bc2549285bb184d40b0716b4cf6f7
[INFO] running `Command { std: "docker" "start" "-a" "455f35ca3f3d459007d29bfa5baaaf6fe32bc2549285bb184d40b0716b4cf6f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "455f35ca3f3d459007d29bfa5baaaf6fe32bc2549285bb184d40b0716b4cf6f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "455f35ca3f3d459007d29bfa5baaaf6fe32bc2549285bb184d40b0716b4cf6f7", kill_on_drop: false }`
[INFO] [stdout] 455f35ca3f3d459007d29bfa5baaaf6fe32bc2549285bb184d40b0716b4cf6f7
[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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 002d96e8196ea13826d7e1e55b9e3142cfee7e9fe2f862758d0f4b66dca4828a
[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" "002d96e8196ea13826d7e1e55b9e3142cfee7e9fe2f862758d0f4b66dca4828a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking genawaiter-macro v0.99.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling syn-mid v0.5.3
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling genawaiter-proc-macro v0.99.1
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking genawaiter v0.99.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.51s
[INFO] running `Command { std: "docker" "inspect" "002d96e8196ea13826d7e1e55b9e3142cfee7e9fe2f862758d0f4b66dca4828a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "002d96e8196ea13826d7e1e55b9e3142cfee7e9fe2f862758d0f4b66dca4828a", kill_on_drop: false }`
[INFO] [stdout] 002d96e8196ea13826d7e1e55b9e3142cfee7e9fe2f862758d0f4b66dca4828a