[INFO] fetching crate encoder 0.2.4...
[INFO] testing encoder-0.2.4 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate encoder 0.2.4 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate encoder 0.2.4
[INFO] finished tweaking crates.io crate encoder 0.2.4
[INFO] tweaked toml for crates.io crate encoder 0.2.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate encoder 0.2.4 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 encoder 0.2.4 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 is-terminal v0.4.10
[INFO] [stderr]   Downloaded encoder-ryu v1.0.16
[INFO] [stderr]   Downloaded anstyle v1.0.5
[INFO] [stderr]   Downloaded halfbrown v0.2.4
[INFO] [stderr]   Downloaded value-trait v0.8.0
[INFO] [stderr]   Downloaded simd-json v0.13.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a2be819fe593de8567e4f80b0f8b1ecd76065c6cac81a920a794d7797db3ed9f
[INFO] running `Command { std: "docker" "start" "-a" "a2be819fe593de8567e4f80b0f8b1ecd76065c6cac81a920a794d7797db3ed9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2be819fe593de8567e4f80b0f8b1ecd76065c6cac81a920a794d7797db3ed9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2be819fe593de8567e4f80b0f8b1ecd76065c6cac81a920a794d7797db3ed9f", kill_on_drop: false }`
[INFO] [stdout] a2be819fe593de8567e4f80b0f8b1ecd76065c6cac81a920a794d7797db3ed9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0b002f40e13df7fdaae1fa684862761072e211831b883a8d2ae5f0c572057146
[INFO] running `Command { std: "docker" "start" "-a" "0b002f40e13df7fdaae1fa684862761072e211831b883a8d2ae5f0c572057146", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `equivalent v1.0.1`
[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 `equivalent v1.0.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/equivalent-1.0.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "0b002f40e13df7fdaae1fa684862761072e211831b883a8d2ae5f0c572057146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b002f40e13df7fdaae1fa684862761072e211831b883a8d2ae5f0c572057146", kill_on_drop: false }`
[INFO] [stdout] 0b002f40e13df7fdaae1fa684862761072e211831b883a8d2ae5f0c572057146