[INFO] fetching crate state 0.6.0...
[INFO] checking state-0.6.0 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1
[INFO] extracting crate state 0.6.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate state 0.6.0 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate state 0.6.0
[INFO] finished tweaking crates.io crate state 0.6.0
[INFO] tweaked toml for crates.io crate state 0.6.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded loom v0.5.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 878191276ec615fbeb8ddaaa178e93c990c923ad27066753925ac838bd191527
[INFO] running `Command { std: "docker" "start" "-a" "878191276ec615fbeb8ddaaa178e93c990c923ad27066753925ac838bd191527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "878191276ec615fbeb8ddaaa178e93c990c923ad27066753925ac838bd191527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "878191276ec615fbeb8ddaaa178e93c990c923ad27066753925ac838bd191527", kill_on_drop: false }`
[INFO] [stdout] 878191276ec615fbeb8ddaaa178e93c990c923ad27066753925ac838bd191527
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1532910e1c7079da23f379b6fd72ed947f3ec4b1ec31128dd8d8a010a68d1b7
[INFO] running `Command { std: "docker" "start" "-a" "e1532910e1c7079da23f379b6fd72ed947f3ec4b1ec31128dd8d8a010a68d1b7", kill_on_drop: false }`
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking state v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::thread_local`
[INFO] [stdout]   --> src/shim.rs:61:27
[INFO] [stdout]    |
[INFO] [stdout] 61 | #[cfg(not(loom))] pub use std::thread_local;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread_local`
[INFO] [stdout]   --> src/shim.rs:61:27
[INFO] [stdout]    |
[INFO] [stdout] 61 | #[cfg(not(loom))] pub use std::thread_local;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> tests/main.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct DroppingStructWrap(DroppingStruct);
[INFO] [stdout]   |        ------------------ ^^^^^^^^^^^^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct DroppingStructWrap(());
[INFO] [stdout]   |                           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "e1532910e1c7079da23f379b6fd72ed947f3ec4b1ec31128dd8d8a010a68d1b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1532910e1c7079da23f379b6fd72ed947f3ec4b1ec31128dd8d8a010a68d1b7", kill_on_drop: false }`
[INFO] [stdout] e1532910e1c7079da23f379b6fd72ed947f3ec4b1ec31128dd8d8a010a68d1b7