[INFO] fetching crate target-spec-json 0.2.1...
[INFO] checking target-spec-json-0.2.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate target-spec-json 0.2.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate target-spec-json 0.2.1
[INFO] finished tweaking crates.io crate target-spec-json 0.2.1
[INFO] tweaked toml for crates.io crate target-spec-json 0.2.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate target-spec-json 0.2.1 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 target-spec-json 0.2.1 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-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25e8314d3e4bf1831bf508b7fee2fe8cfa5d89facc331a0d31c000fe7d23d524
[INFO] running `Command { std: "docker" "start" "-a" "25e8314d3e4bf1831bf508b7fee2fe8cfa5d89facc331a0d31c000fe7d23d524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25e8314d3e4bf1831bf508b7fee2fe8cfa5d89facc331a0d31c000fe7d23d524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25e8314d3e4bf1831bf508b7fee2fe8cfa5d89facc331a0d31c000fe7d23d524", kill_on_drop: false }`
[INFO] [stdout] 25e8314d3e4bf1831bf508b7fee2fe8cfa5d89facc331a0d31c000fe7d23d524
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9b91b1b7df4e60bafa3765f85a7538fa55189134096af0a2270725a45da0137
[INFO] running `Command { std: "docker" "start" "-a" "d9b91b1b7df4e60bafa3765f85a7538fa55189134096af0a2270725a45da0137", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking target-spec-json v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `test_helper`
[INFO] [stdout]   --> src/gen/tests/track_size.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     test_helper::git::assert_diff(
[INFO] [stdout]    |     ^^^^^^^^^^^ use of unresolved module or unlinked crate `test_helper`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `test_helper`, use `cargo add test_helper` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `target-spec-json` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "d9b91b1b7df4e60bafa3765f85a7538fa55189134096af0a2270725a45da0137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9b91b1b7df4e60bafa3765f85a7538fa55189134096af0a2270725a45da0137", kill_on_drop: false }`
[INFO] [stdout] d9b91b1b7df4e60bafa3765f85a7538fa55189134096af0a2270725a45da0137