[INFO] fetching crate simple-builder 0.0.2...
[INFO] checking simple-builder-0.0.2 against master#f21fbac535ab2c3bc50db20547f4d48477357103 for pr-143193
[INFO] extracting crate simple-builder 0.0.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate simple-builder 0.0.2
[INFO] finished tweaking crates.io crate simple-builder 0.0.2
[INFO] tweaked toml for crates.io crate simple-builder 0.0.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate simple-builder 0.0.2 on toolchain f21fbac535ab2c3bc50db20547f4d48477357103
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "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" "+f21fbac535ab2c3bc50db20547f4d48477357103" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 35 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple-builder-macro v0.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2642f36805fe45d801789de89b8048fab12c85a0744657ae93a921d3b0bb2fdf
[INFO] running `Command { std: "docker" "start" "-a" "2642f36805fe45d801789de89b8048fab12c85a0744657ae93a921d3b0bb2fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2642f36805fe45d801789de89b8048fab12c85a0744657ae93a921d3b0bb2fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2642f36805fe45d801789de89b8048fab12c85a0744657ae93a921d3b0bb2fdf", kill_on_drop: false }`
[INFO] [stdout] 2642f36805fe45d801789de89b8048fab12c85a0744657ae93a921d3b0bb2fdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34b1fdc8b8b85596aa4640eb9170e00a52c59f5c53d8e1d40a0277f637a853ce
[INFO] running `Command { std: "docker" "start" "-a" "34b1fdc8b8b85596aa4640eb9170e00a52c59f5c53d8e1d40a0277f637a853ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]     Checking winnow v0.7.12
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking toml_writer v1.0.2
[INFO] [stderr]     Checking glob v0.3.2
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking toml_parser v1.0.1
[INFO] [stderr]     Checking serde_spanned v1.0.0
[INFO] [stderr]     Checking toml_datetime v0.7.0
[INFO] [stderr]     Checking toml v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling simple-builder-macro v0.0.2
[INFO] [stderr]     Checking trybuild v1.0.106
[INFO] [stderr]     Checking simple-builder v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `TestItemOptionals` is never constructed
[INFO] [stdout]   --> src/lib.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct TestItemOptionals {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestItemOptionals` is never constructed
[INFO] [stdout]   --> src/lib.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct TestItemOptionals {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.69s
[INFO] running `Command { std: "docker" "inspect" "34b1fdc8b8b85596aa4640eb9170e00a52c59f5c53d8e1d40a0277f637a853ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34b1fdc8b8b85596aa4640eb9170e00a52c59f5c53d8e1d40a0277f637a853ce", kill_on_drop: false }`
[INFO] [stdout] 34b1fdc8b8b85596aa4640eb9170e00a52c59f5c53d8e1d40a0277f637a853ce