[INFO] fetching crate joinable 0.2.0...
[INFO] checking joinable-0.2.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate joinable 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate joinable 0.2.0
[INFO] finished tweaking crates.io crate joinable 0.2.0
[INFO] tweaked toml for crates.io crate joinable 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate joinable 0.2.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate joinable 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 294664ec42a98f6aca09455c0972736b05ad080d8809bc0aac3165e49cfb601b
[INFO] running `Command { std: "docker" "start" "-a" "294664ec42a98f6aca09455c0972736b05ad080d8809bc0aac3165e49cfb601b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "294664ec42a98f6aca09455c0972736b05ad080d8809bc0aac3165e49cfb601b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "294664ec42a98f6aca09455c0972736b05ad080d8809bc0aac3165e49cfb601b", kill_on_drop: false }`
[INFO] [stdout] 294664ec42a98f6aca09455c0972736b05ad080d8809bc0aac3165e49cfb601b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b8802c1065ef7cb589abc847ff21f598487181a7826d3917e7bc4aaadd4cdfd
[INFO] running `Command { std: "docker" "start" "-a" "8b8802c1065ef7cb589abc847ff21f598487181a7826d3917e7bc4aaadd4cdfd", kill_on_drop: false }`
[INFO] [stderr]     Checking irisdata v0.1.2
[INFO] [stderr]     Checking joinable v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> examples/basic.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct Order {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 45 |     id: u32,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Order` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `species`, `common_name`, `average_sepal_length`, `average_sepal_width`, `average_petal_length`, and `average_petal_width` are never read
[INFO] [stdout]   --> examples/iris.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct IrisData {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout]  8 |     species: Species,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]  9 |     common_name: &'static str,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 10 |     average_sepal_length: f32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     average_sepal_width: f32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     average_petal_length: f32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     average_petal_width: f32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IrisData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "8b8802c1065ef7cb589abc847ff21f598487181a7826d3917e7bc4aaadd4cdfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b8802c1065ef7cb589abc847ff21f598487181a7826d3917e7bc4aaadd4cdfd", kill_on_drop: false }`
[INFO] [stdout] 8b8802c1065ef7cb589abc847ff21f598487181a7826d3917e7bc4aaadd4cdfd