[INFO] fetching crate nomino 0.4.4...
[INFO] checking nomino-0.4.4 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate nomino 0.4.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate nomino 0.4.4 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nomino 0.4.4
[INFO] finished tweaking crates.io crate nomino 0.4.4
[INFO] tweaked toml for crates.io crate nomino 0.4.4 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate nomino 0.4.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc7251eb37667f8fcca4daca5e70c7e1f8be05c8701d800d8530ffac258ee563
[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" "bc7251eb37667f8fcca4daca5e70c7e1f8be05c8701d800d8530ffac258ee563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc7251eb37667f8fcca4daca5e70c7e1f8be05c8701d800d8530ffac258ee563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc7251eb37667f8fcca4daca5e70c7e1f8be05c8701d800d8530ffac258ee563", kill_on_drop: false }`
[INFO] [stdout] bc7251eb37667f8fcca4daca5e70c7e1f8be05c8701d800d8530ffac258ee563
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2a527ff36e8b9bfb47a8a7d72fe67999b798170f1046ed0ecd96f566867d372
[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" "a2a527ff36e8b9bfb47a8a7d72fe67999b798170f1046ed0ecd96f566867d372", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling nomino v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr] error: failed to run custom build command for `nomino v0.4.4 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/nomino-175f4b4e100833b9/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" "a2a527ff36e8b9bfb47a8a7d72fe67999b798170f1046ed0ecd96f566867d372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2a527ff36e8b9bfb47a8a7d72fe67999b798170f1046ed0ecd96f566867d372", kill_on_drop: false }`
[INFO] [stdout] a2a527ff36e8b9bfb47a8a7d72fe67999b798170f1046ed0ecd96f566867d372