[INFO] fetching crate async-observable 0.4.2...
[INFO] checking async-observable-0.4.2 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate async-observable 0.4.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate async-observable 0.4.2 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-observable 0.4.2
[INFO] finished tweaking crates.io crate async-observable 0.4.2
[INFO] tweaked toml for crates.io crate async-observable 0.4.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate async-observable 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-executor v1.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45274fc50426f3692904de68ebb2022caf1bd49ba4bbb241092aed284a89df17
[INFO] running `Command { std: "docker" "start" "-a" "45274fc50426f3692904de68ebb2022caf1bd49ba4bbb241092aed284a89df17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45274fc50426f3692904de68ebb2022caf1bd49ba4bbb241092aed284a89df17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45274fc50426f3692904de68ebb2022caf1bd49ba4bbb241092aed284a89df17", kill_on_drop: false }`
[INFO] [stdout] 45274fc50426f3692904de68ebb2022caf1bd49ba4bbb241092aed284a89df17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6e58280e5b13e040d2dcf98f649dfa2efb87072c86600c54d504bb6136051d5
[INFO] running `Command { std: "docker" "start" "-a" "c6e58280e5b13e040d2dcf98f649dfa2efb87072c86600c54d504bb6136051d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking value-bag v1.8.1
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking async-task v4.7.0
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking event-listener v5.2.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.1
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]     Checking async-channel v2.2.0
[INFO] [stderr]     Checking async-executor v1.9.1
[INFO] [stderr]     Checking blocking v1.5.1
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking polling v3.6.0
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking async-io v2.3.2
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking async-observable v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.51s
[INFO] running `Command { std: "docker" "inspect" "c6e58280e5b13e040d2dcf98f649dfa2efb87072c86600c54d504bb6136051d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6e58280e5b13e040d2dcf98f649dfa2efb87072c86600c54d504bb6136051d5", kill_on_drop: false }`
[INFO] [stdout] c6e58280e5b13e040d2dcf98f649dfa2efb87072c86600c54d504bb6136051d5