[INFO] fetching crate conceal 0.1.5...
[INFO] documenting conceal-0.1.5 against nightly for scrape-examples
[INFO] extracting crate conceal 0.1.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate conceal 0.1.5 on toolchain nightly
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate conceal 0.1.5
[INFO] finished tweaking crates.io crate conceal 0.1.5
[INFO] tweaked toml for crates.io crate conceal 0.1.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate conceal 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cxx v1.0.80
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.80
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.80
[INFO] [stderr]   Downloaded clap_complete_nushell v0.1.8
[INFO] [stderr]   Downloaded trash v2.1.5
[INFO] [stderr]   Downloaded cxx-build v1.0.80
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 678d0f9a094af7e6278aaa8006fb2d42b50c2ca5077d321debe0130f05c15a6f
[INFO] running `Command { std: "docker" "start" "-a" "678d0f9a094af7e6278aaa8006fb2d42b50c2ca5077d321debe0130f05c15a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "678d0f9a094af7e6278aaa8006fb2d42b50c2ca5077d321debe0130f05c15a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "678d0f9a094af7e6278aaa8006fb2d42b50c2ca5077d321debe0130f05c15a6f", kill_on_drop: false }`
[INFO] [stdout] 678d0f9a094af7e6278aaa8006fb2d42b50c2ca5077d321debe0130f05c15a6f
[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" "RUSTDOCFLAGS=--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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70f39627d75c02ef7423791bcd19732954c538180669d6bea4916bd9b0bdd8f1
[INFO] running `Command { std: "docker" "start" "-a" "70f39627d75c02ef7423791bcd19732954c538180669d6bea4916bd9b0bdd8f1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling rustix v0.36.4
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling linux-raw-sys v0.1.3
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling os_str_bytes v6.4.1
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling clap_lex v0.3.0
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.23
[INFO] [stderr]     Checking is-terminal v0.4.1
[INFO] [stderr]     Checking trash v2.1.5
[INFO] [stderr]    Compiling clap_derive v4.0.21
[INFO] [stderr]    Compiling clap v4.0.29
[INFO] [stderr]    Compiling clap_complete v4.0.6
[INFO] [stderr]    Compiling clap_complete_nushell v0.1.8
[INFO] [stderr]    Compiling conceal v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `conceal v0.1.5 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/conceal-295b6d17121b2128/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] running `Command { std: "docker" "inspect" "70f39627d75c02ef7423791bcd19732954c538180669d6bea4916bd9b0bdd8f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70f39627d75c02ef7423791bcd19732954c538180669d6bea4916bd9b0bdd8f1", kill_on_drop: false }`
[INFO] [stdout] 70f39627d75c02ef7423791bcd19732954c538180669d6bea4916bd9b0bdd8f1