[INFO] fetching crate locmess 1.0.0...
[INFO] testing locmess-1.0.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate locmess 1.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate locmess 1.0.0
[INFO] finished tweaking crates.io crate locmess 1.0.0
[INFO] tweaked toml for crates.io crate locmess 1.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate locmess 1.0.0 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] crate crates.io crate locmess 1.0.0 already has a lockfile, it will not be regenerated
[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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.1
[INFO] [stderr]   Downloaded crossbeam v0.8.0
[INFO] [stderr]   Downloaded proc-status v0.1.1
[INFO] [stderr]   Downloaded minimad v0.7.0
[INFO] [stderr]   Downloaded char_reader v0.1.0
[INFO] [stderr]   Downloaded file-size v1.0.3
[INFO] [stderr]   Downloaded cli-log v1.2.0
[INFO] [stderr]   Downloaded git2 v0.13.17
[INFO] [stderr]   Downloaded termimad v0.10.0
[INFO] [stderr]   Downloaded libc v0.2.89
[INFO] [stderr]   Downloaded libgit2-sys v0.12.18+1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c6ba8703da552668b8e14fa1f7f0b11cc05b58883601d9ca4096f98c1a457bd8
[INFO] running `Command { std: "docker" "start" "-a" "c6ba8703da552668b8e14fa1f7f0b11cc05b58883601d9ca4096f98c1a457bd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6ba8703da552668b8e14fa1f7f0b11cc05b58883601d9ca4096f98c1a457bd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6ba8703da552668b8e14fa1f7f0b11cc05b58883601d9ca4096f98c1a457bd8", kill_on_drop: false }`
[INFO] [stdout] c6ba8703da552668b8e14fa1f7f0b11cc05b58883601d9ca4096f98c1a457bd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 26f1ff1189a625f2d0b46454bb1911c25a0df70676627f730310062bfa9d9cdc
[INFO] running `Command { std: "docker" "start" "-a" "26f1ff1189a625f2d0b46454bb1911c25a0df70676627f730310062bfa9d9cdc", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `matches v0.1.8`
[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 `matches v0.1.8`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/matches-0.1.8`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "26f1ff1189a625f2d0b46454bb1911c25a0df70676627f730310062bfa9d9cdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26f1ff1189a625f2d0b46454bb1911c25a0df70676627f730310062bfa9d9cdc", kill_on_drop: false }`
[INFO] [stdout] 26f1ff1189a625f2d0b46454bb1911c25a0df70676627f730310062bfa9d9cdc