[INFO] fetching crate unc-abi 0.10.3...
[INFO] checking unc-abi-0.10.3 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate unc-abi 0.10.3 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate unc-abi 0.10.3
[INFO] finished tweaking crates.io crate unc-abi 0.10.3
[INFO] tweaked toml for crates.io crate unc-abi 0.10.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unc-abi 0.10.3 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 41 packages to latest compatible versions
[INFO] [stderr]       Adding schemars v0.8.22 (available: v1.0.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97cb4b857f936bd04c0b0f9982dfd1a463189684bf629a3dabd5effed7fdb965
[INFO] running `Command { std: "docker" "start" "-a" "97cb4b857f936bd04c0b0f9982dfd1a463189684bf629a3dabd5effed7fdb965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97cb4b857f936bd04c0b0f9982dfd1a463189684bf629a3dabd5effed7fdb965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97cb4b857f936bd04c0b0f9982dfd1a463189684bf629a3dabd5effed7fdb965", kill_on_drop: false }`
[INFO] [stdout] 97cb4b857f936bd04c0b0f9982dfd1a463189684bf629a3dabd5effed7fdb965
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03c3d07a1e9fd7fffe23a4adf215847a84d6bcc31a760be9537a3bfb57380e15
[INFO] running `Command { std: "docker" "start" "-a" "03c3d07a1e9fd7fffe23a4adf215847a84d6bcc31a760be9537a3bfb57380e15", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling schemars v0.8.22
[INFO] [stderr]     Checking dyn-clone v1.0.19
[INFO] [stderr]     Checking similar v2.7.0
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking insta v1.43.1
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling borsh-derive v1.5.7
[INFO] [stderr]    Compiling schemars_derive v0.8.22
[INFO] [stderr]     Checking borsh v1.5.7
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking unc-abi v0.10.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> src/lib.rs:623:21
[INFO] [stdout]     |
[INFO] [stdout] 623 |         struct Pair(u32, u32);
[INFO] [stdout]     |                ---- ^^^  ^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                fields in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing these fields
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.18s
[INFO] running `Command { std: "docker" "inspect" "03c3d07a1e9fd7fffe23a4adf215847a84d6bcc31a760be9537a3bfb57380e15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03c3d07a1e9fd7fffe23a4adf215847a84d6bcc31a760be9537a3bfb57380e15", kill_on_drop: false }`
[INFO] [stdout] 03c3d07a1e9fd7fffe23a4adf215847a84d6bcc31a760be9537a3bfb57380e15