[INFO] fetching crate thruster-middleware 0.9.0-alpha.2...
[INFO] checking thruster-middleware-0.9.0-alpha.2 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate thruster-middleware 0.9.0-alpha.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate thruster-middleware 0.9.0-alpha.2 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate thruster-middleware 0.9.0-alpha.2
[INFO] finished tweaking crates.io crate thruster-middleware 0.9.0-alpha.2
[INFO] tweaked toml for crates.io crate thruster-middleware 0.9.0-alpha.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d2aa5b1379d437a2248ba250fdf7c99d4d1a32c4da4f8eaf58c331f0d2a5cf3
[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" "4d2aa5b1379d437a2248ba250fdf7c99d4d1a32c4da4f8eaf58c331f0d2a5cf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d2aa5b1379d437a2248ba250fdf7c99d4d1a32c4da4f8eaf58c331f0d2a5cf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d2aa5b1379d437a2248ba250fdf7c99d4d1a32c4da4f8eaf58c331f0d2a5cf3", kill_on_drop: false }`
[INFO] [stdout] 4d2aa5b1379d437a2248ba250fdf7c99d4d1a32c4da4f8eaf58c331f0d2a5cf3
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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] c6f69900fa64e2d9771c517c8635d962f8d1cd2257b2d3890c54d01c9ebaa277
[INFO] running `Command { std: "docker" "start" "-a" "c6f69900fa64e2d9771c517c8635d962f8d1cd2257b2d3890c54d01c9ebaa277", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking templatify v0.2.3
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking thruster-core-async-await v0.9.0-alpha.2
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking thruster-core v0.9.0-alpha.2
[INFO] [stderr]     Checking thruster-middleware v0.9.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.62s
[INFO] running `Command { std: "docker" "inspect" "c6f69900fa64e2d9771c517c8635d962f8d1cd2257b2d3890c54d01c9ebaa277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6f69900fa64e2d9771c517c8635d962f8d1cd2257b2d3890c54d01c9ebaa277", kill_on_drop: false }`
[INFO] [stdout] c6f69900fa64e2d9771c517c8635d962f8d1cd2257b2d3890c54d01c9ebaa277