[INFO] cloning repository https://github.com/insomnimus/cargo-ver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/insomnimus/cargo-ver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finsomnimus%2Fcargo-ver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finsomnimus%2Fcargo-ver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed0eb89988e51e91d7017983a1b71c9f93fdcf23
[INFO] checking insomnimus/cargo-ver against try#ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1 for pr-145108
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finsomnimus%2Fcargo-ver" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/insomnimus/cargo-ver
[INFO] finished tweaking git repo https://github.com/insomnimus/cargo-ver
[INFO] tweaked toml for git repo https://github.com/insomnimus/cargo-ver written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/insomnimus/cargo-ver on toolchain ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/insomnimus/cargo-ver 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" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d5c8c1d4b04e9d858768851a456fbdbe7d7ea03efd6b64205c4da885947359b
[INFO] running `Command { std: "docker" "start" "-a" "7d5c8c1d4b04e9d858768851a456fbdbe7d7ea03efd6b64205c4da885947359b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d5c8c1d4b04e9d858768851a456fbdbe7d7ea03efd6b64205c4da885947359b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d5c8c1d4b04e9d858768851a456fbdbe7d7ea03efd6b64205c4da885947359b", kill_on_drop: false }`
[INFO] [stdout] 7d5c8c1d4b04e9d858768851a456fbdbe7d7ea03efd6b64205c4da885947359b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5868b5c5f7071d579684b5e47531a94196b77c13304f872ac3659e135dfcd37a
[INFO] running `Command { std: "docker" "start" "-a" "5868b5c5f7071d579684b5e47531a94196b77c13304f872ac3659e135dfcd37a", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `chrono v0.4.19`
[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 `chrono v0.4.19`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/chrono-0.4.19`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "5868b5c5f7071d579684b5e47531a94196b77c13304f872ac3659e135dfcd37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5868b5c5f7071d579684b5e47531a94196b77c13304f872ac3659e135dfcd37a", kill_on_drop: false }`
[INFO] [stdout] 5868b5c5f7071d579684b5e47531a94196b77c13304f872ac3659e135dfcd37a