[INFO] fetching crate uxid 0.0.1...
[INFO] checking uxid-0.0.1 against master#d2e8ecd8bd26a22111cdebfb813258450b07fbf0 for pr-121199
[INFO] extracting crate uxid 0.0.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate uxid 0.0.1 on toolchain d2e8ecd8bd26a22111cdebfb813258450b07fbf0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d2e8ecd8bd26a22111cdebfb813258450b07fbf0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uxid 0.0.1
[INFO] finished tweaking crates.io crate uxid 0.0.1
[INFO] tweaked toml for crates.io crate uxid 0.0.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate uxid 0.0.1 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" "+d2e8ecd8bd26a22111cdebfb813258450b07fbf0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d2e8ecd8bd26a22111cdebfb813258450b07fbf0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d2e93bfa151d1c19dd0712dfaa8a6cd0a6fac232b6b2f417d29c7455579b693
[INFO] running `Command { std: "docker" "start" "-a" "5d2e93bfa151d1c19dd0712dfaa8a6cd0a6fac232b6b2f417d29c7455579b693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d2e93bfa151d1c19dd0712dfaa8a6cd0a6fac232b6b2f417d29c7455579b693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d2e93bfa151d1c19dd0712dfaa8a6cd0a6fac232b6b2f417d29c7455579b693", kill_on_drop: false }`
[INFO] [stdout] 5d2e93bfa151d1c19dd0712dfaa8a6cd0a6fac232b6b2f417d29c7455579b693
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d2e8ecd8bd26a22111cdebfb813258450b07fbf0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 758937b6092263c43dbea13adcf84d16b9133f0362b5f740c89af51abc20ee9d
[INFO] running `Command { std: "docker" "start" "-a" "758937b6092263c43dbea13adcf84d16b9133f0362b5f740c89af51abc20ee9d", kill_on_drop: false }`
[INFO] [stderr]     Checking uxid v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] running `Command { std: "docker" "inspect" "758937b6092263c43dbea13adcf84d16b9133f0362b5f740c89af51abc20ee9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "758937b6092263c43dbea13adcf84d16b9133f0362b5f740c89af51abc20ee9d", kill_on_drop: false }`
[INFO] [stdout] 758937b6092263c43dbea13adcf84d16b9133f0362b5f740c89af51abc20ee9d
[ERROR] this task or one of its parent failed!
[ERROR] error sending request for url (https://crater.rust-lang.org/agent-api/record-progress): connection closed before message completed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking uxid-0.0.1 against try#aface909a877127f24c62858518cef2d593e2ea1 for pr-121199
[INFO] extracting crate uxid 0.0.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate uxid 0.0.1 on toolchain aface909a877127f24c62858518cef2d593e2ea1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aface909a877127f24c62858518cef2d593e2ea1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uxid 0.0.1
[INFO] finished tweaking crates.io crate uxid 0.0.1
[INFO] tweaked toml for crates.io crate uxid 0.0.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate uxid 0.0.1 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" "+aface909a877127f24c62858518cef2d593e2ea1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aface909a877127f24c62858518cef2d593e2ea1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31ba366134597677bb317741d0557e947544e9fc2ca985c6e24daf9605368c40
[INFO] running `Command { std: "docker" "start" "-a" "31ba366134597677bb317741d0557e947544e9fc2ca985c6e24daf9605368c40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31ba366134597677bb317741d0557e947544e9fc2ca985c6e24daf9605368c40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31ba366134597677bb317741d0557e947544e9fc2ca985c6e24daf9605368c40", kill_on_drop: false }`
[INFO] [stdout] 31ba366134597677bb317741d0557e947544e9fc2ca985c6e24daf9605368c40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aface909a877127f24c62858518cef2d593e2ea1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77bf139fb7f6a672819ca7288323efa4ea3a995dbc7ec0a91de4ffcc6801a939
[INFO] running `Command { std: "docker" "start" "-a" "77bf139fb7f6a672819ca7288323efa4ea3a995dbc7ec0a91de4ffcc6801a939", kill_on_drop: false }`
[INFO] [stderr]     Checking uxid v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "77bf139fb7f6a672819ca7288323efa4ea3a995dbc7ec0a91de4ffcc6801a939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77bf139fb7f6a672819ca7288323efa4ea3a995dbc7ec0a91de4ffcc6801a939", kill_on_drop: false }`
[INFO] [stdout] 77bf139fb7f6a672819ca7288323efa4ea3a995dbc7ec0a91de4ffcc6801a939