[INFO] fetching crate nomino 1.1.0...
[INFO] checking nomino-1.1.0 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate nomino 1.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate nomino 1.1.0 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nomino 1.1.0
[INFO] finished tweaking crates.io crate nomino 1.1.0
[INFO] tweaked toml for crates.io crate nomino 1.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate nomino 1.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", 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] b69f09fa58b5a10cc39229482c545d37d109ece39a137794048affacb91a8108
[INFO] running `Command { std: "docker" "start" "-a" "b69f09fa58b5a10cc39229482c545d37d109ece39a137794048affacb91a8108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b69f09fa58b5a10cc39229482c545d37d109ece39a137794048affacb91a8108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b69f09fa58b5a10cc39229482c545d37d109ece39a137794048affacb91a8108", kill_on_drop: false }`
[INFO] [stdout] b69f09fa58b5a10cc39229482c545d37d109ece39a137794048affacb91a8108
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 165945a91aee37b4cbb6ebe58fc3d5a1abae6a62f907940b496ad0d413492c56
[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" "165945a91aee37b4cbb6ebe58fc3d5a1abae6a62f907940b496ad0d413492c56", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling nomino v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking natord v1.0.9
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking predicates-tree v1.0.2
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr] error: failed to run custom build command for `nomino v1.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/nomino-5294c17f9db8a68e/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Os { code: 30, kind: ReadOnlyFilesystem, 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" "165945a91aee37b4cbb6ebe58fc3d5a1abae6a62f907940b496ad0d413492c56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "165945a91aee37b4cbb6ebe58fc3d5a1abae6a62f907940b496ad0d413492c56", kill_on_drop: false }`
[INFO] [stdout] 165945a91aee37b4cbb6ebe58fc3d5a1abae6a62f907940b496ad0d413492c56