[INFO] fetching crate conrod_rendy 0.76.1...
[INFO] testing conrod_rendy-0.76.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate conrod_rendy 0.76.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate conrod_rendy 0.76.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate conrod_rendy 0.76.1
[INFO] tweaked toml for crates.io crate conrod_rendy 0.76.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate conrod_rendy 0.76.1 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 conrod_rendy 0.76.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rendy-resource v0.5.1
[INFO] [stderr]   Downloaded rendy v0.5.1
[INFO] [stderr]   Downloaded rendy-wsi v0.5.1
[INFO] [stderr]   Downloaded rendy-init v0.5.1
[INFO] [stderr]   Downloaded piston-viewport v1.0.1
[INFO] [stderr]   Downloaded rendy-frame v0.5.1
[INFO] [stderr]   Downloaded conrod_winit v0.76.1
[INFO] [stderr]   Downloaded conrod_example_shared v0.76.1
[INFO] [stderr]   Downloaded rendy-core v0.5.1
[INFO] [stderr]   Downloaded copypasta v0.6.3
[INFO] [stderr]   Downloaded smithay-clipboard v0.4.0
[INFO] [stderr]   Downloaded daggy v0.5.0
[INFO] [stderr]   Downloaded conrod_derive v0.76.1
[INFO] [stderr]   Downloaded serde_json v1.0.75
[INFO] [stderr]   Downloaded rendy-graph v0.5.1
[INFO] [stderr]   Downloaded glow v0.3.0-alpha4
[INFO] [stderr]   Downloaded x11 v2.19.1
[INFO] [stderr]   Downloaded cocoa v0.19.1
[INFO] [stderr]   Downloaded glutin v0.22.1
[INFO] [stderr]   Downloaded gfx-backend-gl v0.4.0
[INFO] [stderr]   Downloaded slotmap v0.3.2
[INFO] [stderr]   Downloaded rendy-chain v0.5.1
[INFO] [stderr]   Downloaded rendy-mesh v0.5.1
[INFO] [stderr]   Downloaded rendy-shader v0.5.1
[INFO] [stderr]   Downloaded rendy-command v0.5.1
[INFO] [stderr]   Downloaded conrod_core v0.76.1
[INFO] [stderr]   Downloaded winit v0.20.0
[INFO] [stderr]   Downloaded rendy-factory v0.5.1
[INFO] [stderr]   Downloaded rendy-texture v0.5.1
[INFO] [stderr]   Downloaded dispatch v0.1.4
[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] b343e0f66b5f31d92c032c167a9ee4dcdcf37a8a693771ec3b5a2ca8c52fcffb
[INFO] running `Command { std: "docker" "start" "-a" "b343e0f66b5f31d92c032c167a9ee4dcdcf37a8a693771ec3b5a2ca8c52fcffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b343e0f66b5f31d92c032c167a9ee4dcdcf37a8a693771ec3b5a2ca8c52fcffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b343e0f66b5f31d92c032c167a9ee4dcdcf37a8a693771ec3b5a2ca8c52fcffb", kill_on_drop: false }`
[INFO] [stdout] b343e0f66b5f31d92c032c167a9ee4dcdcf37a8a693771ec3b5a2ca8c52fcffb
[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] 9ad3ad2964d38a3277f6fdd0f0c12e420998d64a1c6718565c92c94bafcfc7b3
[INFO] running `Command { std: "docker" "start" "-a" "9ad3ad2964d38a3277f6fdd0f0c12e420998d64a1c6718565c92c94bafcfc7b3", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `bitflags v1.3.2`
[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 `bitflags v1.3.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bitflags-1.3.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "9ad3ad2964d38a3277f6fdd0f0c12e420998d64a1c6718565c92c94bafcfc7b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ad3ad2964d38a3277f6fdd0f0c12e420998d64a1c6718565c92c94bafcfc7b3", kill_on_drop: false }`
[INFO] [stdout] 9ad3ad2964d38a3277f6fdd0f0c12e420998d64a1c6718565c92c94bafcfc7b3