[INFO] fetching crate graphtools 0.1.0...
[INFO] testing graphtools-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate graphtools 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate graphtools 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate graphtools 0.1.0
[INFO] tweaked toml for crates.io crate graphtools 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate graphtools 0.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 121 packages to latest compatible versions
[INFO] [stderr]       Adding either v1.6.1 (available: v1.15.0)
[INFO] [stderr]       Adding former v2.9.0 (available: v2.28.0)
[INFO] [stderr]       Adding former_meta v2.9.0 (available: v2.27.0)
[INFO] [stderr]       Adding former_types v2.8.0 (available: v2.24.0)
[INFO] [stderr]       Adding test_tools v0.10.0 (available: v0.16.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mod_interface_meta v0.24.0
[INFO] [stderr]   Downloaded process_tools v0.9.0
[INFO] [stderr]   Downloaded proper_path_tools v0.10.0
[INFO] [stderr]   Downloaded mod_interface v0.24.0
[INFO] [stderr]   Downloaded data_type v0.10.0
[INFO] [stderr]   Downloaded for_each v0.9.0
[INFO] [stderr]   Downloaded derive_tools v0.29.0
[INFO] [stderr]   Downloaded former_meta v2.9.0
[INFO] [stderr]   Downloaded derive_tools_meta v0.27.0
[INFO] [stderr]   Downloaded derive_tools v0.28.0
[INFO] [stderr]   Downloaded collection_tools v0.12.0
[INFO] [stderr]   Downloaded former_types v2.8.0
[INFO] [stderr]   Downloaded impls_index v0.8.0
[INFO] [stderr]   Downloaded derive_tools_meta v0.28.0
[INFO] [stderr]   Downloaded mod_interface_meta v0.25.0
[INFO] [stderr]   Downloaded mod_interface v0.26.0
[INFO] [stderr]   Downloaded meta_tools v0.11.0
[INFO] [stderr]   Downloaded error_tools v0.17.0
[INFO] [stderr]   Downloaded interval_adapter v0.24.0
[INFO] [stderr]   Downloaded macro_tools v0.40.0
[INFO] [stderr]   Downloaded diagnostics_tools v0.9.0
[INFO] [stderr]   Downloaded mem_tools v0.7.0
[INFO] [stderr]   Downloaded impls_index_meta v0.8.0
[INFO] [stderr]   Downloaded former v2.9.0
[INFO] [stderr]   Downloaded inspect_type v0.11.0
[INFO] [stderr]   Downloaded test_tools v0.10.0
[INFO] [stderr]   Downloaded is_slice v0.10.0
[INFO] [stderr]   Downloaded typing_tools v0.9.0
[INFO] [stderr]   Downloaded implements v0.9.0
[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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e989f4fccf08af6c617ca5cfb447466015280e92ed5cb6da58eb36241850dce
[INFO] running `Command { std: "docker" "start" "-a" "4e989f4fccf08af6c617ca5cfb447466015280e92ed5cb6da58eb36241850dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e989f4fccf08af6c617ca5cfb447466015280e92ed5cb6da58eb36241850dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e989f4fccf08af6c617ca5cfb447466015280e92ed5cb6da58eb36241850dce", kill_on_drop: false }`
[INFO] [stdout] 4e989f4fccf08af6c617ca5cfb447466015280e92ed5cb6da58eb36241850dce
[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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be3e8341fb3a0ccf880999d6df8ce8dca2e2ee083dc10bc7cf34f1830775f6d6
[INFO] running `Command { std: "docker" "start" "-a" "be3e8341fb3a0ccf880999d6df8ce8dca2e2ee083dc10bc7cf34f1830775f6d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling graphtools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "be3e8341fb3a0ccf880999d6df8ce8dca2e2ee083dc10bc7cf34f1830775f6d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be3e8341fb3a0ccf880999d6df8ce8dca2e2ee083dc10bc7cf34f1830775f6d6", kill_on_drop: false }`
[INFO] [stdout] be3e8341fb3a0ccf880999d6df8ce8dca2e2ee083dc10bc7cf34f1830775f6d6
[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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 486d1c80af81632cfb972e2eeeffc32c9d4bef795ae3d6183bc9f2339f51d19c
[INFO] running `Command { std: "docker" "start" "-a" "486d1c80af81632cfb972e2eeeffc32c9d4bef795ae3d6183bc9f2339f51d19c", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `memchr v2.7.5`
[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 `memchr v2.7.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/memchr-2.7.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "486d1c80af81632cfb972e2eeeffc32c9d4bef795ae3d6183bc9f2339f51d19c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "486d1c80af81632cfb972e2eeeffc32c9d4bef795ae3d6183bc9f2339f51d19c", kill_on_drop: false }`
[INFO] [stdout] 486d1c80af81632cfb972e2eeeffc32c9d4bef795ae3d6183bc9f2339f51d19c