[INFO] fetching crate kagou 0.1.41...
[INFO] testing kagou-0.1.41 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate kagou 0.1.41 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate kagou 0.1.41
[INFO] finished tweaking crates.io crate kagou 0.1.41
[INFO] tweaked toml for crates.io crate kagou 0.1.41 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kagou 0.1.41 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 kagou 0.1.41 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 toml v0.9.4
[INFO] [stderr]   Downloaded spring-web v0.4.6
[INFO] [stderr]   Downloaded serde-toml-merge v0.3.10
[INFO] [stderr]   Downloaded spring v0.4.2
[INFO] [stderr]   Downloaded spring-macros v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5852be71cf1bb354b2c87de0f6e4d43c6f2ed7b6206dd7877ce8071675dfc98b
[INFO] running `Command { std: "docker" "start" "-a" "5852be71cf1bb354b2c87de0f6e4d43c6f2ed7b6206dd7877ce8071675dfc98b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5852be71cf1bb354b2c87de0f6e4d43c6f2ed7b6206dd7877ce8071675dfc98b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5852be71cf1bb354b2c87de0f6e4d43c6f2ed7b6206dd7877ce8071675dfc98b", kill_on_drop: false }`
[INFO] [stdout] 5852be71cf1bb354b2c87de0f6e4d43c6f2ed7b6206dd7877ce8071675dfc98b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1f9df130d01fac2dfe938d9a04371b88b7a960a08d158d3ab23fba1034346ec9
[INFO] running `Command { std: "docker" "start" "-a" "1f9df130d01fac2dfe938d9a04371b88b7a960a08d158d3ab23fba1034346ec9", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `adler2 v2.0.1`
[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 `adler2 v2.0.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/adler2-2.0.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "1f9df130d01fac2dfe938d9a04371b88b7a960a08d158d3ab23fba1034346ec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f9df130d01fac2dfe938d9a04371b88b7a960a08d158d3ab23fba1034346ec9", kill_on_drop: false }`
[INFO] [stdout] 1f9df130d01fac2dfe938d9a04371b88b7a960a08d158d3ab23fba1034346ec9