[INFO] fetching crate jstz_kernel 0.1.0...
[INFO] checking jstz_kernel-0.1.0 against master#8f359beca4e58bc3ae795a666301a8f47023044c for pr-121545
[INFO] extracting crate jstz_kernel 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate jstz_kernel 0.1.0 on toolchain 8f359beca4e58bc3ae795a666301a8f47023044c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jstz_kernel 0.1.0
[INFO] finished tweaking crates.io crate jstz_kernel 0.1.0
[INFO] tweaked toml for crates.io crate jstz_kernel 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71a1873c0d48068c1dd3187ff112146a18a91cc3e95321ec489e69831352c432
[INFO] running `Command { std: "docker" "start" "-a" "71a1873c0d48068c1dd3187ff112146a18a91cc3e95321ec489e69831352c432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71a1873c0d48068c1dd3187ff112146a18a91cc3e95321ec489e69831352c432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71a1873c0d48068c1dd3187ff112146a18a91cc3e95321ec489e69831352c432", kill_on_drop: false }`
[INFO] [stdout] 71a1873c0d48068c1dd3187ff112146a18a91cc3e95321ec489e69831352c432
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+8f359beca4e58bc3ae795a666301a8f47023044c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ed0c3fc5198a14539e1a1689a195fd55d6c984249bb63e97a1159a4424b5ca8
[INFO] running `Command { std: "docker" "start" "-a" "5ed0c3fc5198a14539e1a1689a195fd55d6c984249bb63e97a1159a4424b5ca8", kill_on_drop: false }`
[INFO] [stderr]     Checking jstz_kernel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "5ed0c3fc5198a14539e1a1689a195fd55d6c984249bb63e97a1159a4424b5ca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ed0c3fc5198a14539e1a1689a195fd55d6c984249bb63e97a1159a4424b5ca8", kill_on_drop: false }`
[INFO] [stdout] 5ed0c3fc5198a14539e1a1689a195fd55d6c984249bb63e97a1159a4424b5ca8
[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 jstz_kernel-0.1.0 against try#7ee76453dd3eae6de6c1351f26482bed63b01beb for pr-121545
[INFO] extracting crate jstz_kernel 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate jstz_kernel 0.1.0 on toolchain 7ee76453dd3eae6de6c1351f26482bed63b01beb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7ee76453dd3eae6de6c1351f26482bed63b01beb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jstz_kernel 0.1.0
[INFO] finished tweaking crates.io crate jstz_kernel 0.1.0
[INFO] tweaked toml for crates.io crate jstz_kernel 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7ee76453dd3eae6de6c1351f26482bed63b01beb" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7ee76453dd3eae6de6c1351f26482bed63b01beb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+7ee76453dd3eae6de6c1351f26482bed63b01beb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8208b957cf34d5459909bab98a2e4b20c7ba311b269d15bc94bfb4a1fa9979b5
[INFO] running `Command { std: "docker" "start" "-a" "8208b957cf34d5459909bab98a2e4b20c7ba311b269d15bc94bfb4a1fa9979b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8208b957cf34d5459909bab98a2e4b20c7ba311b269d15bc94bfb4a1fa9979b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8208b957cf34d5459909bab98a2e4b20c7ba311b269d15bc94bfb4a1fa9979b5", kill_on_drop: false }`
[INFO] [stdout] 8208b957cf34d5459909bab98a2e4b20c7ba311b269d15bc94bfb4a1fa9979b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+7ee76453dd3eae6de6c1351f26482bed63b01beb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35f8c06f125d19a7b2686a24689d6cd1ca4ab9b603a589675b8e49b39092f49e
[INFO] running `Command { std: "docker" "start" "-a" "35f8c06f125d19a7b2686a24689d6cd1ca4ab9b603a589675b8e49b39092f49e", kill_on_drop: false }`
[INFO] [stderr]     Checking jstz_kernel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "35f8c06f125d19a7b2686a24689d6cd1ca4ab9b603a589675b8e49b39092f49e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35f8c06f125d19a7b2686a24689d6cd1ca4ab9b603a589675b8e49b39092f49e", kill_on_drop: false }`
[INFO] [stdout] 35f8c06f125d19a7b2686a24689d6cd1ca4ab9b603a589675b8e49b39092f49e