[INFO] cloning repository https://github.com/35359595/rust_mnist_tensorflow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/35359595/rust_mnist_tensorflow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F35359595%2Frust_mnist_tensorflow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F35359595%2Frust_mnist_tensorflow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7d576149b2a4a1ec6dca81e802a06cf2a9f47df
[INFO] checking 35359595/rust_mnist_tensorflow against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F35359595%2Frust_mnist_tensorflow" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/35359595/rust_mnist_tensorflow on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/35359595/rust_mnist_tensorflow
[INFO] finished tweaking git repo https://github.com/35359595/rust_mnist_tensorflow
[INFO] tweaked toml for git repo https://github.com/35359595/rust_mnist_tensorflow written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/35359595/rust_mnist_tensorflow already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tensorflow-sys v0.9.0
[INFO] [stderr]   Downloaded tensorflow v0.6.0
[INFO] [stderr]   Downloaded curl-sys v0.3.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6c0c31d4115a21e03a50e9001452c01d435df7f6216d25a14ead8511605c5c1
[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" "a6c0c31d4115a21e03a50e9001452c01d435df7f6216d25a14ead8511605c5c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6c0c31d4115a21e03a50e9001452c01d435df7f6216d25a14ead8511605c5c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6c0c31d4115a21e03a50e9001452c01d435df7f6216d25a14ead8511605c5c1", kill_on_drop: false }`
[INFO] [stdout] a6c0c31d4115a21e03a50e9001452c01d435df7f6216d25a14ead8511605c5c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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] 894b3c45672b66af6695db75af50b0ec064a783e7e4c551d3c3f712b3cde1dd9
[INFO] running `Command { std: "docker" "start" "-a" "894b3c45672b66af6695db75af50b0ec064a783e7e4c551d3c3f712b3cde1dd9", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "894b3c45672b66af6695db75af50b0ec064a783e7e4c551d3c3f712b3cde1dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "894b3c45672b66af6695db75af50b0ec064a783e7e4c551d3c3f712b3cde1dd9", kill_on_drop: false }`
[INFO] [stdout] 894b3c45672b66af6695db75af50b0ec064a783e7e4c551d3c3f712b3cde1dd9