[INFO] cloning repository https://github.com/chrisdickinson/blog-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chrisdickinson/blog-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisdickinson%2Fblog-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisdickinson%2Fblog-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d1dc6c6db542c1dc8a008c4826891a861ac3c2f
[INFO] testing chrisdickinson/blog-rs against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisdickinson%2Fblog-rs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chrisdickinson/blog-rs on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chrisdickinson/blog-rs
[INFO] finished tweaking git repo https://github.com/chrisdickinson/blog-rs
[INFO] tweaked toml for git repo https://github.com/chrisdickinson/blog-rs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/chrisdickinson/blog-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded buf_redux v0.8.1
[INFO] [stderr]   Downloaded mime_guess v1.8.6
[INFO] [stderr]   Downloaded multipart v0.15.4
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.14
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.5
[INFO] [stderr]   Downloaded futures-executor-preview v0.3.0-alpha.14
[INFO] [stderr]   Downloaded futures-util-preview v0.3.0-alpha.14
[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.14
[INFO] [stderr]   Downloaded slog-term v2.4.0
[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.14
[INFO] [stderr]   Downloaded serde_qs v0.4.5
[INFO] [stderr]   Downloaded slog-async v2.3.0
[INFO] [stderr]   Downloaded tide v0.1.0
[INFO] [stderr]   Downloaded http-service v0.1.5
[INFO] [stderr]   Downloaded http-service-hyper v0.1.0
[INFO] [stderr]   Downloaded data-encoding v2.1.2
[INFO] [stderr]   Downloaded syn v0.15.31
[INFO] [stderr]   Downloaded futures-preview v0.3.0-alpha.14
[INFO] [stderr]   Downloaded futures-select-macro-preview v0.3.0-alpha.14
[INFO] [stderr]   Downloaded futures-io-preview v0.3.0-alpha.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52dfcc7be01411acd2abf9ca90172338214b15d47e8bceb19d41f8f7e8aea325
[INFO] running `Command { std: "docker" "start" "-a" "52dfcc7be01411acd2abf9ca90172338214b15d47e8bceb19d41f8f7e8aea325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52dfcc7be01411acd2abf9ca90172338214b15d47e8bceb19d41f8f7e8aea325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52dfcc7be01411acd2abf9ca90172338214b15d47e8bceb19d41f8f7e8aea325", kill_on_drop: false }`
[INFO] [stdout] 52dfcc7be01411acd2abf9ca90172338214b15d47e8bceb19d41f8f7e8aea325
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dac412dcec2d5a8fd03484e1cc8a3c5b8104d4f3eea40758ae5ba79c639475b8
[INFO] running `Command { std: "docker" "start" "-a" "dac412dcec2d5a8fd03484e1cc8a3c5b8104d4f3eea40758ae5ba79c639475b8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
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[INFO] [stderr]    Compiling memchr v2.2.0
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[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.14
[INFO] [stderr]    Compiling aho-corasick v0.7.3
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[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.17
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling tokio-threadpool v0.1.13
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]    Compiling slog-term v2.4.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.18
[INFO] [stderr]    Compiling serde_qs v0.4.5
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling h2 v0.1.18
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling multipart v0.15.4
[INFO] [stderr]    Compiling hyper v0.12.27
[INFO] [stderr]    Compiling proc-macro-hack v0.5.5
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling futures-select-macro-preview v0.3.0-alpha.14
[INFO] [stderr]    Compiling dotenv v0.13.0
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.14
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-preview-0.3.0-alpha.14/src/lib.rs:6:51
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(feature = "std", feature(async_await, await_macro))]
[INFO] [stdout]   |                                                   ^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: subsumed by `.await` syntax
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-util-preview`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "dac412dcec2d5a8fd03484e1cc8a3c5b8104d4f3eea40758ae5ba79c639475b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dac412dcec2d5a8fd03484e1cc8a3c5b8104d4f3eea40758ae5ba79c639475b8", kill_on_drop: false }`
[INFO] [stdout] dac412dcec2d5a8fd03484e1cc8a3c5b8104d4f3eea40758ae5ba79c639475b8