[INFO] fetching crate midl 0.1.2...
[INFO] testing midl-0.1.2 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate midl 0.1.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate midl 0.1.2
[INFO] finished tweaking crates.io crate midl 0.1.2
[INFO] tweaked toml for crates.io crate midl 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate midl 0.1.2 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 midl 0.1.2 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 frodobuf-derive v0.1.0
[INFO] [stderr]   Downloaded frodobuf v0.1.2
[INFO] [stderr]   Downloaded frodobuf-schema v0.1.1
[INFO] [stderr]   Downloaded midl-parser v0.1.1
[INFO] [stderr]   Downloaded rmp v0.8.10
[INFO] [stderr]   Downloaded rmp-serde v0.15.4
[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] baba08ae7e636aed43744c62da8e9eb969c428452849c28bfa1a5c126ad993a9
[INFO] running `Command { std: "docker" "start" "-a" "baba08ae7e636aed43744c62da8e9eb969c428452849c28bfa1a5c126ad993a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "baba08ae7e636aed43744c62da8e9eb969c428452849c28bfa1a5c126ad993a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baba08ae7e636aed43744c62da8e9eb969c428452849c28bfa1a5c126ad993a9", kill_on_drop: false }`
[INFO] [stdout] baba08ae7e636aed43744c62da8e9eb969c428452849c28bfa1a5c126ad993a9
[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] 15fab3e0c1e33b5ae521071c1831a4f14a4a4e1fb26609621bdf766bb63b9656
[INFO] running `Command { std: "docker" "start" "-a" "15fab3e0c1e33b5ae521071c1831a4f14a4a4e1fb26609621bdf766bb63b9656", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `byte-tools v0.3.1`
[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 `byte-tools v0.3.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/byte-tools-0.3.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "15fab3e0c1e33b5ae521071c1831a4f14a4a4e1fb26609621bdf766bb63b9656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15fab3e0c1e33b5ae521071c1831a4f14a4a4e1fb26609621bdf766bb63b9656", kill_on_drop: false }`
[INFO] [stdout] 15fab3e0c1e33b5ae521071c1831a4f14a4a4e1fb26609621bdf766bb63b9656