[INFO] fetching crate target-spec-json 0.2.8...
[INFO] testing target-spec-json-0.2.8 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate target-spec-json 0.2.8 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate target-spec-json 0.2.8
[INFO] finished tweaking crates.io crate target-spec-json 0.2.8
[INFO] tweaked toml for crates.io crate target-spec-json 0.2.8 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate target-spec-json 0.2.8 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate target-spec-json 0.2.8 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcfc277cceae141c4f78b7fce89289b461a8f17c0247e266584afea50a7799ff
[INFO] running `Command { std: "docker" "start" "-a" "dcfc277cceae141c4f78b7fce89289b461a8f17c0247e266584afea50a7799ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcfc277cceae141c4f78b7fce89289b461a8f17c0247e266584afea50a7799ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcfc277cceae141c4f78b7fce89289b461a8f17c0247e266584afea50a7799ff", kill_on_drop: false }`
[INFO] [stdout] dcfc277cceae141c4f78b7fce89289b461a8f17c0247e266584afea50a7799ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 131bed43cc0560d97fd713ea865c5708c7f869a52e3b3c82ab355079ab461e92
[INFO] running `Command { std: "docker" "start" "-a" "131bed43cc0560d97fd713ea865c5708c7f869a52e3b3c82ab355079ab461e92", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling target-spec-json v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.53s
[INFO] running `Command { std: "docker" "inspect" "131bed43cc0560d97fd713ea865c5708c7f869a52e3b3c82ab355079ab461e92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "131bed43cc0560d97fd713ea865c5708c7f869a52e3b3c82ab355079ab461e92", kill_on_drop: false }`
[INFO] [stdout] 131bed43cc0560d97fd713ea865c5708c7f869a52e3b3c82ab355079ab461e92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 950de892aff91e2b283bfb6e90cfa79a8ef57c92c792a5639e3d3b426e6cb5f0
[INFO] running `Command { std: "docker" "start" "-a" "950de892aff91e2b283bfb6e90cfa79a8ef57c92c792a5639e3d3b426e6cb5f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-spec-json v0.2.8 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find module or crate `test_helper` in this scope
[INFO] [stdout]   --> src/gen/tests/track_size.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     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" "950de892aff91e2b283bfb6e90cfa79a8ef57c92c792a5639e3d3b426e6cb5f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "950de892aff91e2b283bfb6e90cfa79a8ef57c92c792a5639e3d3b426e6cb5f0", kill_on_drop: false }`
[INFO] [stdout] 950de892aff91e2b283bfb6e90cfa79a8ef57c92c792a5639e3d3b426e6cb5f0