[INFO] cloning repository https://github.com/lambdaxymox/material_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lambdaxymox/material_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambdaxymox%2Fmaterial_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambdaxymox%2Fmaterial_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a883b57b7c7c7fde231a4478d6f4c7fe53d4677e
[INFO] checking lambdaxymox/material_demo against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambdaxymox%2Fmaterial_demo" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lambdaxymox/material_demo on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lambdaxymox/material_demo
[INFO] finished tweaking git repo https://github.com/lambdaxymox/material_demo
[INFO] tweaked toml for git repo https://github.com/lambdaxymox/material_demo written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/lambdaxymox/material_demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a79fd5df2ee046a5bd8b91c1f020a94dd4d55081e478f5e7d4f1e4cf6a2c12c
[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" "4a79fd5df2ee046a5bd8b91c1f020a94dd4d55081e478f5e7d4f1e4cf6a2c12c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a79fd5df2ee046a5bd8b91c1f020a94dd4d55081e478f5e7d4f1e4cf6a2c12c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a79fd5df2ee046a5bd8b91c1f020a94dd4d55081e478f5e7d4f1e4cf6a2c12c", kill_on_drop: false }`
[INFO] [stdout] 4a79fd5df2ee046a5bd8b91c1f020a94dd4d55081e478f5e7d4f1e4cf6a2c12c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 806a88dbcd80da941eb3e44c170838d708347adc7c7c1466dbef9837f669c2a1
[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" "806a88dbcd80da941eb3e44c170838d708347adc7c7c1466dbef9837f669c2a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cgwavefront_obj v1.0.3 (https://github.com/lambdaxymox/cgwavefront_obj#64e492f3)
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling glfw-sys v3.3.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking obj v0.1.11 (https://github.com/lambdaxymox/mini_obj#a099501e)
[INFO] [stderr]     Checking obj_gen v0.1.11 (https://github.com/lambdaxymox/mini_obj#a099501e)
[INFO] [stderr]    Compiling mini_obj v0.1.11 (https://github.com/lambdaxymox/mini_obj#a099501e)
[INFO] [stderr] error: failed to run custom build command for `mini_obj v0.1.11 (https://github.com/lambdaxymox/mini_obj#a099501e)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/mini_obj-b116ec0cf527f0d9/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Os { code: 30, kind: Other, message: "Read-only file system" }
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "806a88dbcd80da941eb3e44c170838d708347adc7c7c1466dbef9837f669c2a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "806a88dbcd80da941eb3e44c170838d708347adc7c7c1466dbef9837f669c2a1", kill_on_drop: false }`
[INFO] [stdout] 806a88dbcd80da941eb3e44c170838d708347adc7c7c1466dbef9837f669c2a1