[INFO] fetching crate replacing-buf-stream 0.1.0...
[INFO] checking replacing-buf-stream-0.1.0 against beta for pr-78714
[INFO] extracting crate replacing-buf-stream 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate replacing-buf-stream 0.1.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate replacing-buf-stream 0.1.0
[INFO] finished tweaking crates.io crate replacing-buf-stream 0.1.0
[INFO] tweaked toml for crates.io crate replacing-buf-stream 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c3272eb00d508eb89ccd31c78287aa5eb9d078a8f8a82bb44de9c0b5d5d696e
[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" "2c3272eb00d508eb89ccd31c78287aa5eb9d078a8f8a82bb44de9c0b5d5d696e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c3272eb00d508eb89ccd31c78287aa5eb9d078a8f8a82bb44de9c0b5d5d696e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c3272eb00d508eb89ccd31c78287aa5eb9d078a8f8a82bb44de9c0b5d5d696e", kill_on_drop: false }`
[INFO] [stdout] 2c3272eb00d508eb89ccd31c78287aa5eb9d078a8f8a82bb44de9c0b5d5d696e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f12a52003371d49d57b53c96209b2b900bef33c8153b3f23e657db7bc79788d
[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" "8f12a52003371d49d57b53c96209b2b900bef33c8153b3f23e657db7bc79788d", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]     Checking tower-service v0.1.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking serde_plain v0.3.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking atoi v0.2.3
[INFO] [stderr]     Checking checked v0.5.0
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling proc-macro-hack v0.4.2
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking headers-core v0.1.1
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking headers v0.2.3
[INFO] [stderr]     Checking handlebars v1.0.5
[INFO] [stderr]    Compiling tower-web-macros v0.3.5
[INFO] [stderr]     Checking tower-web v0.3.7
[INFO] [stderr]     Checking replacing-buf-stream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "8f12a52003371d49d57b53c96209b2b900bef33c8153b3f23e657db7bc79788d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f12a52003371d49d57b53c96209b2b900bef33c8153b3f23e657db7bc79788d", kill_on_drop: false }`
[INFO] [stdout] 8f12a52003371d49d57b53c96209b2b900bef33c8153b3f23e657db7bc79788d