[INFO] fetching crate steamkit-kv 0.2.3...
[INFO] checking steamkit-kv-0.2.3 against master#7c4ac0603e9ee5295bc802c90575391288a69a8a for pr-124728
[INFO] extracting crate steamkit-kv 0.2.3 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate steamkit-kv 0.2.3 on toolchain 7c4ac0603e9ee5295bc802c90575391288a69a8a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7c4ac0603e9ee5295bc802c90575391288a69a8a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate steamkit-kv 0.2.3
[INFO] finished tweaking crates.io crate steamkit-kv 0.2.3
[INFO] tweaked toml for crates.io crate steamkit-kv 0.2.3 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" "+7c4ac0603e9ee5295bc802c90575391288a69a8a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7c4ac0603e9ee5295bc802c90575391288a69a8a" "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" "+7c4ac0603e9ee5295bc802c90575391288a69a8a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 768f9a0057cb4a1c790cd7a0626029faa9b4b7ea29588ca987bc60386348887e
[INFO] running `Command { std: "docker" "start" "-a" "768f9a0057cb4a1c790cd7a0626029faa9b4b7ea29588ca987bc60386348887e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "768f9a0057cb4a1c790cd7a0626029faa9b4b7ea29588ca987bc60386348887e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "768f9a0057cb4a1c790cd7a0626029faa9b4b7ea29588ca987bc60386348887e", kill_on_drop: false }`
[INFO] [stdout] 768f9a0057cb4a1c790cd7a0626029faa9b4b7ea29588ca987bc60386348887e
[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" "+7c4ac0603e9ee5295bc802c90575391288a69a8a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5ce4a7bc7119beb4e37c8ae52163d8afd23edcfa16786bfc194e19ba4deb083
[INFO] running `Command { std: "docker" "start" "-a" "e5ce4a7bc7119beb4e37c8ae52163d8afd23edcfa16786bfc194e19ba4deb083", kill_on_drop: false }`
[INFO] [stderr]     Checking steamkit-kv v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `macro_` is never read
[INFO] [stdout]   --> src/parser.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Entry {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub macro_: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Entry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `macro_` is never read
[INFO] [stdout]   --> src/parser.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Entry {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub macro_: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Entry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "e5ce4a7bc7119beb4e37c8ae52163d8afd23edcfa16786bfc194e19ba4deb083", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5ce4a7bc7119beb4e37c8ae52163d8afd23edcfa16786bfc194e19ba4deb083", kill_on_drop: false }`
[INFO] [stdout] e5ce4a7bc7119beb4e37c8ae52163d8afd23edcfa16786bfc194e19ba4deb083
[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 steamkit-kv-0.2.3 against try#98ebbae35138252af77610c20ea5a5e8bf68d639 for pr-124728
[INFO] extracting crate steamkit-kv 0.2.3 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate steamkit-kv 0.2.3 on toolchain 98ebbae35138252af77610c20ea5a5e8bf68d639
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+98ebbae35138252af77610c20ea5a5e8bf68d639" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate steamkit-kv 0.2.3
[INFO] finished tweaking crates.io crate steamkit-kv 0.2.3
[INFO] tweaked toml for crates.io crate steamkit-kv 0.2.3 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" "+98ebbae35138252af77610c20ea5a5e8bf68d639" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+98ebbae35138252af77610c20ea5a5e8bf68d639" "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" "+98ebbae35138252af77610c20ea5a5e8bf68d639" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d621b21cd9e5cd720c2b1329ac2de4251c31dca233a1bd57cdda233934c29fe
[INFO] running `Command { std: "docker" "start" "-a" "4d621b21cd9e5cd720c2b1329ac2de4251c31dca233a1bd57cdda233934c29fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d621b21cd9e5cd720c2b1329ac2de4251c31dca233a1bd57cdda233934c29fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d621b21cd9e5cd720c2b1329ac2de4251c31dca233a1bd57cdda233934c29fe", kill_on_drop: false }`
[INFO] [stdout] 4d621b21cd9e5cd720c2b1329ac2de4251c31dca233a1bd57cdda233934c29fe
[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" "+98ebbae35138252af77610c20ea5a5e8bf68d639" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb4bd8dbeafdb1a31860e9a9544584c28b1c11ad6354d69dc932b988c50d9a85
[INFO] running `Command { std: "docker" "start" "-a" "bb4bd8dbeafdb1a31860e9a9544584c28b1c11ad6354d69dc932b988c50d9a85", kill_on_drop: false }`
[INFO] [stderr]     Checking steamkit-kv v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `macro_` is never read
[INFO] [stdout]   --> src/parser.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Entry {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub macro_: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Entry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `macro_` is never read
[INFO] [stdout]   --> src/parser.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Entry {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub macro_: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Entry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "bb4bd8dbeafdb1a31860e9a9544584c28b1c11ad6354d69dc932b988c50d9a85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb4bd8dbeafdb1a31860e9a9544584c28b1c11ad6354d69dc932b988c50d9a85", kill_on_drop: false }`
[INFO] [stdout] bb4bd8dbeafdb1a31860e9a9544584c28b1c11ad6354d69dc932b988c50d9a85