[INFO] fetching crate nomino 1.0.1...
[INFO] checking nomino-1.0.1 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate nomino 1.0.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate nomino 1.0.1 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nomino 1.0.1
[INFO] finished tweaking crates.io crate nomino 1.0.1
[INFO] tweaked toml for crates.io crate nomino 1.0.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate nomino 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_cmd v1.0.3
[INFO] [stderr]   Downloaded predicates v1.0.7
[INFO] [stderr]   Downloaded natord v1.0.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da66ae08087d3b020887fb4e2e609251171ed9bf4b53f857a502d7863f8137e7
[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" "da66ae08087d3b020887fb4e2e609251171ed9bf4b53f857a502d7863f8137e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da66ae08087d3b020887fb4e2e609251171ed9bf4b53f857a502d7863f8137e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da66ae08087d3b020887fb4e2e609251171ed9bf4b53f857a502d7863f8137e7", kill_on_drop: false }`
[INFO] [stdout] da66ae08087d3b020887fb4e2e609251171ed9bf4b53f857a502d7863f8137e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2ac45b163acbd9149a368c69029c919ee0305fd284b14db190e65d45dcdfb28
[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" "a2ac45b163acbd9149a368c69029c919ee0305fd284b14db190e65d45dcdfb28", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling nomino v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking natord v1.0.9
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking predicates-tree v1.0.2
[INFO] [stderr]     Checking predicates v1.0.7
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr] error: failed to run custom build command for `nomino v1.0.1 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/nomino-84f95275b968c6d2/build-script-build` (exit status: 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" "a2ac45b163acbd9149a368c69029c919ee0305fd284b14db190e65d45dcdfb28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2ac45b163acbd9149a368c69029c919ee0305fd284b14db190e65d45dcdfb28", kill_on_drop: false }`
[INFO] [stdout] a2ac45b163acbd9149a368c69029c919ee0305fd284b14db190e65d45dcdfb28