[INFO] fetching crate green-barrel 1.7.8...
[INFO] testing green-barrel-1.7.8 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate green-barrel 1.7.8 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate green-barrel 1.7.8
[INFO] finished tweaking crates.io crate green-barrel 1.7.8
[INFO] tweaked toml for crates.io crate green-barrel 1.7.8 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate green-barrel 1.7.8 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 301 packages to latest compatible versions
[INFO] [stderr]       Adding async-lock v2.8.0 (available: v3.4.1)
[INFO] [stderr]       Adding image v0.24.9 (available: v0.25.7)
[INFO] [stderr]       Adding mongodb v2.8.2 (available: v3.2.5)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding rust-argon2 v2.1.0 (available: v3.0.0)
[INFO] [stderr]       Adding rust-i18n v2.3.1 (available: v3.1.5)
[INFO] [stderr]       Adding validator v0.16.1 (available: v0.20.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded validator v0.16.1
[INFO] [stderr]   Downloaded rust-i18n v2.3.1
[INFO] [stderr]   Downloaded rust-i18n-macro v2.3.1
[INFO] [stderr]   Downloaded rust-i18n-support v2.3.0
[INFO] [stderr]   Downloaded bson v2.15.0
[INFO] [stderr]   Downloaded mongodb v2.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ed26594cf8f0a887e769906166f6fca639d4839e26f6caaf6d3d7cd442ca8e8b
[INFO] running `Command { std: "docker" "start" "-a" "ed26594cf8f0a887e769906166f6fca639d4839e26f6caaf6d3d7cd442ca8e8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed26594cf8f0a887e769906166f6fca639d4839e26f6caaf6d3d7cd442ca8e8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed26594cf8f0a887e769906166f6fca639d4839e26f6caaf6d3d7cd442ca8e8b", kill_on_drop: false }`
[INFO] [stdout] ed26594cf8f0a887e769906166f6fca639d4839e26f6caaf6d3d7cd442ca8e8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9e9a3d574a354703bd1d59853b572bc5b87acbd50340bf9137b79bce60a14227
[INFO] running `Command { std: "docker" "start" "-a" "9e9a3d574a354703bd1d59853b572bc5b87acbd50340bf9137b79bce60a14227", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `displaydoc v0.2.5`
[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 `displaydoc v0.2.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/displaydoc-0.2.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "9e9a3d574a354703bd1d59853b572bc5b87acbd50340bf9137b79bce60a14227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e9a3d574a354703bd1d59853b572bc5b87acbd50340bf9137b79bce60a14227", kill_on_drop: false }`
[INFO] [stdout] 9e9a3d574a354703bd1d59853b572bc5b87acbd50340bf9137b79bce60a14227