[INFO] fetching crate nomino 1.1.0...
[INFO] checking nomino-1.1.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate nomino 1.1.0 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate nomino 1.1.0 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-94/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b5894f3ab211f147eaab6f1c14c5374952945464dc1f359fbe192da2108b41b
[INFO] running `Command { std: "docker" "start" "-a" "9b5894f3ab211f147eaab6f1c14c5374952945464dc1f359fbe192da2108b41b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b5894f3ab211f147eaab6f1c14c5374952945464dc1f359fbe192da2108b41b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b5894f3ab211f147eaab6f1c14c5374952945464dc1f359fbe192da2108b41b", kill_on_drop: false }`
[INFO] [stdout] 9b5894f3ab211f147eaab6f1c14c5374952945464dc1f359fbe192da2108b41b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f908e41f2710ee366aee9bd83f8e8331c59cbd2f76e4836ab94f24d3dfaa7bd
[INFO] running `Command { std: "docker" "start" "-a" "1f908e41f2710ee366aee9bd83f8e8331c59cbd2f76e4836ab94f24d3dfaa7bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling nomino v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking natord v1.0.9
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]     Checking predicates-tree v1.0.2
[INFO] [stderr]     Checking walkdir v2.3.2
[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-aacc35402934589b/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" "1f908e41f2710ee366aee9bd83f8e8331c59cbd2f76e4836ab94f24d3dfaa7bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f908e41f2710ee366aee9bd83f8e8331c59cbd2f76e4836ab94f24d3dfaa7bd", kill_on_drop: false }`
[INFO] [stdout] 1f908e41f2710ee366aee9bd83f8e8331c59cbd2f76e4836ab94f24d3dfaa7bd