[INFO] fetching crate rw-stream-sink 0.2.1...
[INFO] checking rw-stream-sink-0.2.1 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate rw-stream-sink 0.2.1 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate rw-stream-sink 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 rw-stream-sink 0.2.1
[INFO] finished tweaking crates.io crate rw-stream-sink 0.2.1
[INFO] tweaked toml for crates.io crate rw-stream-sink 0.2.1 written to /workspace/builds/worker-79/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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] 76352604b2e976cd160f06bbf77022f12eb3c6977079f52be369c1998161f44a
[INFO] running `Command { std: "docker" "start" "-a" "76352604b2e976cd160f06bbf77022f12eb3c6977079f52be369c1998161f44a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76352604b2e976cd160f06bbf77022f12eb3c6977079f52be369c1998161f44a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76352604b2e976cd160f06bbf77022f12eb3c6977079f52be369c1998161f44a", kill_on_drop: false }`
[INFO] [stdout] 76352604b2e976cd160f06bbf77022f12eb3c6977079f52be369c1998161f44a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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] [stdout] 2bf375f80de470beabc5e382d623a79a910462385d75596dd95292bd6105a891
[INFO] running `Command { std: "docker" "start" "-a" "2bf375f80de470beabc5e382d623a79a910462385d75596dd95292bd6105a891", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking futures-sink v0.3.18
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking futures-channel v0.3.18
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking blocking v1.1.0
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking futures-util v0.3.18
[INFO] [stderr]     Checking polling v2.2.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking pin-project v0.4.28
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-std v1.10.0
[INFO] [stderr]     Checking futures-executor v0.3.18
[INFO] [stderr]     Checking futures v0.3.18
[INFO] [stderr]     Checking rw-stream-sink v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.05s
[INFO] running `Command { std: "docker" "inspect" "2bf375f80de470beabc5e382d623a79a910462385d75596dd95292bd6105a891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bf375f80de470beabc5e382d623a79a910462385d75596dd95292bd6105a891", kill_on_drop: false }`
[INFO] [stdout] 2bf375f80de470beabc5e382d623a79a910462385d75596dd95292bd6105a891