[INFO] fetching crate embedded-websocket 0.3.1...
[INFO] checking embedded-websocket-0.3.1 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate embedded-websocket 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate embedded-websocket 0.3.1 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate embedded-websocket 0.3.1
[INFO] finished tweaking crates.io crate embedded-websocket 0.3.1
[INFO] tweaked toml for crates.io crate embedded-websocket 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate embedded-websocket 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9a0bc63c6bd37d2b71aee68865ffa7d5c8ce654dea57339d499ec15917a65d7
[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" "e9a0bc63c6bd37d2b71aee68865ffa7d5c8ce654dea57339d499ec15917a65d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9a0bc63c6bd37d2b71aee68865ffa7d5c8ce654dea57339d499ec15917a65d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9a0bc63c6bd37d2b71aee68865ffa7d5c8ce654dea57339d499ec15917a65d7", kill_on_drop: false }`
[INFO] [stdout] e9a0bc63c6bd37d2b71aee68865ffa7d5c8ce654dea57339d499ec15917a65d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] 9d04f8f662fa576cab717d6106a5d5d084385048d3a8b81f419362a8867eb161
[INFO] running `Command { std: "docker" "start" "-a" "9d04f8f662fa576cab717d6106a5d5d084385048d3a8b81f419362a8867eb161", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling heapless v0.5.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking as-slice v0.1.3
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking embedded-websocket v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.78s
[INFO] running `Command { std: "docker" "inspect" "9d04f8f662fa576cab717d6106a5d5d084385048d3a8b81f419362a8867eb161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d04f8f662fa576cab717d6106a5d5d084385048d3a8b81f419362a8867eb161", kill_on_drop: false }`
[INFO] [stdout] 9d04f8f662fa576cab717d6106a5d5d084385048d3a8b81f419362a8867eb161