[INFO] fetching crate safe-regex-macro 0.3.0...
[INFO] testing safe-regex-macro-0.3.0 against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628
[INFO] extracting crate safe-regex-macro 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate safe-regex-macro 0.3.0
[INFO] finished tweaking crates.io crate safe-regex-macro 0.3.0
[INFO] tweaked toml for crates.io crate safe-regex-macro 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate safe-regex-macro 0.3.0 on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding safe-regex v0.2.6 (available: v0.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d11203cee7671b1ce2c27e92cc8b798e2b5ed542ba42ca0a4eb40a04667d537
[INFO] running `Command { std: "docker" "start" "-a" "3d11203cee7671b1ce2c27e92cc8b798e2b5ed542ba42ca0a4eb40a04667d537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d11203cee7671b1ce2c27e92cc8b798e2b5ed542ba42ca0a4eb40a04667d537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d11203cee7671b1ce2c27e92cc8b798e2b5ed542ba42ca0a4eb40a04667d537", kill_on_drop: false }`
[INFO] [stdout] 3d11203cee7671b1ce2c27e92cc8b798e2b5ed542ba42ca0a4eb40a04667d537
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e31d6a917c49efe79171a6ebb66825745607036d274d49c42b412819b027938
[INFO] running `Command { std: "docker" "start" "-a" "0e31d6a917c49efe79171a6ebb66825745607036d274d49c42b412819b027938", kill_on_drop: false }`
[INFO] [stderr]    Compiling safe-proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling safe-quote v1.0.40
[INFO] [stderr]    Compiling safe-regex-compiler v0.3.0
[INFO] [stderr]    Compiling safe-regex-macro v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "0e31d6a917c49efe79171a6ebb66825745607036d274d49c42b412819b027938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e31d6a917c49efe79171a6ebb66825745607036d274d49c42b412819b027938", kill_on_drop: false }`
[INFO] [stdout] 0e31d6a917c49efe79171a6ebb66825745607036d274d49c42b412819b027938
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 649a708d08e63f1154a9c9decdaaf1c555e68dd68d0a8598f7ae4ee0c8173361
[INFO] running `Command { std: "docker" "start" "-a" "649a708d08e63f1154a9c9decdaaf1c555e68dd68d0a8598f7ae4ee0c8173361", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `safe-regex-macro v0.2.6`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unable to get packages from source
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack package `safe-regex-macro v0.2.6`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/safe-regex-macro-0.2.6`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "649a708d08e63f1154a9c9decdaaf1c555e68dd68d0a8598f7ae4ee0c8173361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "649a708d08e63f1154a9c9decdaaf1c555e68dd68d0a8598f7ae4ee0c8173361", kill_on_drop: false }`
[INFO] [stdout] 649a708d08e63f1154a9c9decdaaf1c555e68dd68d0a8598f7ae4ee0c8173361