[INFO] fetching crate rcc_signer 0.1.1...
[INFO] checking rcc_signer-0.1.1 against master#35d55b34bffd51384ac430cc20852b7d16dd5a90 for pr-145108
[INFO] extracting crate rcc_signer 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate rcc_signer 0.1.1
[INFO] finished tweaking crates.io crate rcc_signer 0.1.1
[INFO] tweaked toml for crates.io crate rcc_signer 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rcc_signer 0.1.1 on toolchain 35d55b34bffd51384ac430cc20852b7d16dd5a90
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35d55b34bffd51384ac430cc20852b7d16dd5a90" "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" "+35d55b34bffd51384ac430cc20852b7d16dd5a90" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 63 packages to latest compatible versions
[INFO] [stderr]       Adding bs58 v0.4.0 (available: v0.5.1)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.11.0)
[INFO] [stderr]       Adding k256 v0.11.6 (available: v0.13.4)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.16)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35d55b34bffd51384ac430cc20852b7d16dd5a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+35d55b34bffd51384ac430cc20852b7d16dd5a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bce9117c4623ad3698f8bf1b00c57c84b5cf52a625e0dcd4b39b2b02979c3be
[INFO] running `Command { std: "docker" "start" "-a" "5bce9117c4623ad3698f8bf1b00c57c84b5cf52a625e0dcd4b39b2b02979c3be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bce9117c4623ad3698f8bf1b00c57c84b5cf52a625e0dcd4b39b2b02979c3be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bce9117c4623ad3698f8bf1b00c57c84b5cf52a625e0dcd4b39b2b02979c3be", kill_on_drop: false }`
[INFO] [stdout] 5bce9117c4623ad3698f8bf1b00c57c84b5cf52a625e0dcd4b39b2b02979c3be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+35d55b34bffd51384ac430cc20852b7d16dd5a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46aa271b407db5d6e97003079a4f3af4b5bbb562c067f3ba76685a2bd4448d8b
[INFO] running `Command { std: "docker" "start" "-a" "46aa271b407db5d6e97003079a4f3af4b5bbb562c067f3ba76685a2bd4448d8b", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `base64ct v1.8.0`
[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 `base64ct v1.8.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/base64ct-1.8.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "46aa271b407db5d6e97003079a4f3af4b5bbb562c067f3ba76685a2bd4448d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46aa271b407db5d6e97003079a4f3af4b5bbb562c067f3ba76685a2bd4448d8b", kill_on_drop: false }`
[INFO] [stdout] 46aa271b407db5d6e97003079a4f3af4b5bbb562c067f3ba76685a2bd4448d8b