[INFO] fetching crate js-macros 0.1.5...
[INFO] testing js-macros-0.1.5 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate js-macros 0.1.5 into /workspace/builds/worker-100/source
[INFO] validating manifest of crates.io crate js-macros 0.1.5 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate js-macros 0.1.5
[INFO] finished tweaking crates.io crate js-macros 0.1.5
[INFO] tweaked toml for crates.io crate js-macros 0.1.5 written to /workspace/builds/worker-100/source/Cargo.toml
[INFO] crate crates.io crate js-macros 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.33
[INFO] [stderr]   Downloaded anyhow v1.0.51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d222108899d7e8c7e7de329e3fbab1ffdfded49587a1c5ff81cd6d36f2063aa
[INFO] running `Command { std: "docker" "start" "-a" "7d222108899d7e8c7e7de329e3fbab1ffdfded49587a1c5ff81cd6d36f2063aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d222108899d7e8c7e7de329e3fbab1ffdfded49587a1c5ff81cd6d36f2063aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d222108899d7e8c7e7de329e3fbab1ffdfded49587a1c5ff81cd6d36f2063aa", kill_on_drop: false }`
[INFO] [stdout] 7d222108899d7e8c7e7de329e3fbab1ffdfded49587a1c5ff81cd6d36f2063aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f89c2889620d67e27badb4d6666d37a89a1f1fe3a99bb2476ba75aeeb76914c
[INFO] running `Command { std: "docker" "start" "-a" "2f89c2889620d67e27badb4d6666d37a89a1f1fe3a99bb2476ba75aeeb76914c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling js-macros v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `js-macros v0.1.5 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/js-macros-510368a86a0182d7/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=/opt/rustwide/js-macros
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: IO Error when opening js-macro lib file "/opt/rustwide/workdir/src/lib.rs"
[INFO] [stderr] 
[INFO] [stderr]   Caused by:
[INFO] [stderr]       Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "2f89c2889620d67e27badb4d6666d37a89a1f1fe3a99bb2476ba75aeeb76914c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f89c2889620d67e27badb4d6666d37a89a1f1fe3a99bb2476ba75aeeb76914c", kill_on_drop: false }`
[INFO] [stdout] 2f89c2889620d67e27badb4d6666d37a89a1f1fe3a99bb2476ba75aeeb76914c