[INFO] fetching crate sct 0.7.1...
[INFO] checking sct-0.7.1 against master#4e1f5d90bca45207605a88e39b1f76abcdb85d2f for pr-123962
[INFO] extracting crate sct 0.7.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate sct 0.7.1 on toolchain 4e1f5d90bca45207605a88e39b1f76abcdb85d2f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4e1f5d90bca45207605a88e39b1f76abcdb85d2f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sct 0.7.1
[INFO] finished tweaking crates.io crate sct 0.7.1
[INFO] tweaked toml for crates.io crate sct 0.7.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4e1f5d90bca45207605a88e39b1f76abcdb85d2f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4e1f5d90bca45207605a88e39b1f76abcdb85d2f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+4e1f5d90bca45207605a88e39b1f76abcdb85d2f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef69e038fb96f685ce99933aeefa25c4350873b6ebb2c6c8ea93710b1cab1b92
[INFO] running `Command { std: "docker" "start" "-a" "ef69e038fb96f685ce99933aeefa25c4350873b6ebb2c6c8ea93710b1cab1b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef69e038fb96f685ce99933aeefa25c4350873b6ebb2c6c8ea93710b1cab1b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef69e038fb96f685ce99933aeefa25c4350873b6ebb2c6c8ea93710b1cab1b92", kill_on_drop: false }`
[INFO] [stdout] ef69e038fb96f685ce99933aeefa25c4350873b6ebb2c6c8ea93710b1cab1b92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+4e1f5d90bca45207605a88e39b1f76abcdb85d2f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb44f5cb7dd0fc91fa6ab50da911d39eaa764fdb8fd3a7b758c36ef61bb064c2
[INFO] running `Command { std: "docker" "start" "-a" "bb44f5cb7dd0fc91fa6ab50da911d39eaa764fdb8fd3a7b758c36ef61bb064c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking sct v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.15s
[INFO] running `Command { std: "docker" "inspect" "bb44f5cb7dd0fc91fa6ab50da911d39eaa764fdb8fd3a7b758c36ef61bb064c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb44f5cb7dd0fc91fa6ab50da911d39eaa764fdb8fd3a7b758c36ef61bb064c2", kill_on_drop: false }`
[INFO] [stdout] bb44f5cb7dd0fc91fa6ab50da911d39eaa764fdb8fd3a7b758c36ef61bb064c2
[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 sct-0.7.1 against try#035f40fb95ac1c79b50f07e65650460f3d11e207 for pr-123962
[INFO] extracting crate sct 0.7.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate sct 0.7.1 on toolchain 035f40fb95ac1c79b50f07e65650460f3d11e207
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+035f40fb95ac1c79b50f07e65650460f3d11e207" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sct 0.7.1
[INFO] finished tweaking crates.io crate sct 0.7.1
[INFO] tweaked toml for crates.io crate sct 0.7.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+035f40fb95ac1c79b50f07e65650460f3d11e207" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+035f40fb95ac1c79b50f07e65650460f3d11e207" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+035f40fb95ac1c79b50f07e65650460f3d11e207" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67d93642e92b34b244ebca52da1cb6f2b49803c81577aa3b7dac7ab0ab3c6fe3
[INFO] running `Command { std: "docker" "start" "-a" "67d93642e92b34b244ebca52da1cb6f2b49803c81577aa3b7dac7ab0ab3c6fe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67d93642e92b34b244ebca52da1cb6f2b49803c81577aa3b7dac7ab0ab3c6fe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67d93642e92b34b244ebca52da1cb6f2b49803c81577aa3b7dac7ab0ab3c6fe3", kill_on_drop: false }`
[INFO] [stdout] 67d93642e92b34b244ebca52da1cb6f2b49803c81577aa3b7dac7ab0ab3c6fe3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+035f40fb95ac1c79b50f07e65650460f3d11e207" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81939bd0fdf4f5417c3bc3700485f230051fdcbe3c28037d3bd34d08dad9fef3
[INFO] running `Command { std: "docker" "start" "-a" "81939bd0fdf4f5417c3bc3700485f230051fdcbe3c28037d3bd34d08dad9fef3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking sct v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.08s
[INFO] running `Command { std: "docker" "inspect" "81939bd0fdf4f5417c3bc3700485f230051fdcbe3c28037d3bd34d08dad9fef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81939bd0fdf4f5417c3bc3700485f230051fdcbe3c28037d3bd34d08dad9fef3", kill_on_drop: false }`
[INFO] [stdout] 81939bd0fdf4f5417c3bc3700485f230051fdcbe3c28037d3bd34d08dad9fef3