[INFO] fetching crate ux-dataflow 0.1.2...
[INFO] checking ux-dataflow-0.1.2 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate ux-dataflow 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ux-dataflow 0.1.2
[INFO] finished tweaking crates.io crate ux-dataflow 0.1.2
[INFO] tweaked toml for crates.io crate ux-dataflow 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ux-dataflow 0.1.2 on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]       Adding intmap v0.7.1 (available: v3.1.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0090debb7285f05a52f78fae26ce0c4cadfacc09310a80c859602009d086b2c2
[INFO] running `Command { std: "docker" "start" "-a" "0090debb7285f05a52f78fae26ce0c4cadfacc09310a80c859602009d086b2c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0090debb7285f05a52f78fae26ce0c4cadfacc09310a80c859602009d086b2c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0090debb7285f05a52f78fae26ce0c4cadfacc09310a80c859602009d086b2c2", kill_on_drop: false }`
[INFO] [stdout] 0090debb7285f05a52f78fae26ce0c4cadfacc09310a80c859602009d086b2c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7037e6b92da98c24c72b0162886b6ad5a089e639f872a8f193c757d03ade7a1
[INFO] running `Command { std: "docker" "start" "-a" "a7037e6b92da98c24c72b0162886b6ad5a089e639f872a8f193c757d03ade7a1", kill_on_drop: false }`
[INFO] [stderr]     Checking intmap v0.7.1
[INFO] [stderr]     Checking ux-dataflow v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `DataColumn` is never constructed
[INFO] [stdout]  --> src/collumn.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct DataColumn<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `DataRow` is never constructed
[INFO] [stdout]  --> src/row.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct DataRow<T> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `DataColumn` is never constructed
[INFO] [stdout]  --> src/collumn.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct DataColumn<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `DataRow` is never constructed
[INFO] [stdout]  --> src/row.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct DataRow<T> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ux-dataflow` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ux-dataflow` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a7037e6b92da98c24c72b0162886b6ad5a089e639f872a8f193c757d03ade7a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7037e6b92da98c24c72b0162886b6ad5a089e639f872a8f193c757d03ade7a1", kill_on_drop: false }`
[INFO] [stdout] a7037e6b92da98c24c72b0162886b6ad5a089e639f872a8f193c757d03ade7a1
