[INFO] fetching crate replacing-buf-stream 0.1.0...
[INFO] checking replacing-buf-stream-0.1.0 against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] extracting crate replacing-buf-stream 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate replacing-buf-stream 0.1.0 on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9024a66ac05d1c3dfbf1e208d3b0264867b65c6c944f7fb47240da1a13a2d3c0
[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" "9024a66ac05d1c3dfbf1e208d3b0264867b65c6c944f7fb47240da1a13a2d3c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9024a66ac05d1c3dfbf1e208d3b0264867b65c6c944f7fb47240da1a13a2d3c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9024a66ac05d1c3dfbf1e208d3b0264867b65c6c944f7fb47240da1a13a2d3c0", kill_on_drop: false }`
[INFO] [stdout] 9024a66ac05d1c3dfbf1e208d3b0264867b65c6c944f7fb47240da1a13a2d3c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+c9228570668803e3e6402770d55f23a12c9ae686" "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] e80a5e28d9caaf4e56262572976702ec3138e23ee9104a807d41d4173b6abdb0
[INFO] running `Command { std: "docker" "start" "-a" "e80a5e28d9caaf4e56262572976702ec3138e23ee9104a807d41d4173b6abdb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking tower-service v0.1.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking typenum v1.12.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking serde_plain v0.3.0
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking atoi v0.2.3
[INFO] [stderr]     Checking checked v0.5.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking headers-core v0.1.1
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking headers v0.2.3
[INFO] [stderr]    Compiling pest_derive v1.0.8
[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 17s
[INFO] running `Command { std: "docker" "inspect" "e80a5e28d9caaf4e56262572976702ec3138e23ee9104a807d41d4173b6abdb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e80a5e28d9caaf4e56262572976702ec3138e23ee9104a807d41d4173b6abdb0", kill_on_drop: false }`
[INFO] [stdout] e80a5e28d9caaf4e56262572976702ec3138e23ee9104a807d41d4173b6abdb0