[INFO] fetching crate descord 0.1.11...
[INFO] testing descord-0.1.11 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate descord 0.1.11 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate descord 0.1.11
[INFO] finished tweaking crates.io crate descord 0.1.11
[INFO] tweaked toml for crates.io crate descord 0.1.11 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate descord 0.1.11 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 descord 0.1.11 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 darling v0.20.8
[INFO] [stderr]   Downloaded darling_macro v0.20.8
[INFO] [stderr]   Downloaded descord-macros v0.1.5
[INFO] [stderr]   Downloaded nanoserde-derive v0.1.22
[INFO] [stderr]   Downloaded env_logger v0.11.3
[INFO] [stderr]   Downloaded nanoserde v0.1.37
[INFO] [stderr]   Downloaded darling_core v0.20.8
[INFO] [stderr]   Downloaded bumpalo v3.15.4
[INFO] [stderr]   Downloaded openssl-sys v0.9.100
[INFO] [stderr]   Downloaded h2 v0.3.25
[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] bacdd1b0079502626e5a8f2357cda87a0c8641d1bf5dbd30c596bdcca063dd1b
[INFO] running `Command { std: "docker" "start" "-a" "bacdd1b0079502626e5a8f2357cda87a0c8641d1bf5dbd30c596bdcca063dd1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bacdd1b0079502626e5a8f2357cda87a0c8641d1bf5dbd30c596bdcca063dd1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bacdd1b0079502626e5a8f2357cda87a0c8641d1bf5dbd30c596bdcca063dd1b", kill_on_drop: false }`
[INFO] [stdout] bacdd1b0079502626e5a8f2357cda87a0c8641d1bf5dbd30c596bdcca063dd1b
[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] cf1401de31dade0ef39ad6e275adc0b57cdcd301ccb0c891619dee58dbfbc6a2
[INFO] running `Command { std: "docker" "start" "-a" "cf1401de31dade0ef39ad6e275adc0b57cdcd301ccb0c891619dee58dbfbc6a2", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `block-buffer v0.10.4`
[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 `block-buffer v0.10.4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/block-buffer-0.10.4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "cf1401de31dade0ef39ad6e275adc0b57cdcd301ccb0c891619dee58dbfbc6a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf1401de31dade0ef39ad6e275adc0b57cdcd301ccb0c891619dee58dbfbc6a2", kill_on_drop: false }`
[INFO] [stdout] cf1401de31dade0ef39ad6e275adc0b57cdcd301ccb0c891619dee58dbfbc6a2