[INFO] fetching crate cell-family 0.1.0...
[INFO] checking cell-family-0.1.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate cell-family 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate cell-family 0.1.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cell-family 0.1.0
[INFO] finished tweaking crates.io crate cell-family 0.1.0
[INFO] tweaked toml for crates.io crate cell-family 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f45fe7e53b55c28c6ca1ac4032bc0f381139d1a4f83da9465ccc87911029f40d
[INFO] running `Command { std: "docker" "start" "-a" "f45fe7e53b55c28c6ca1ac4032bc0f381139d1a4f83da9465ccc87911029f40d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f45fe7e53b55c28c6ca1ac4032bc0f381139d1a4f83da9465ccc87911029f40d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f45fe7e53b55c28c6ca1ac4032bc0f381139d1a4f83da9465ccc87911029f40d", kill_on_drop: false }`
[INFO] [stdout] f45fe7e53b55c28c6ca1ac4032bc0f381139d1a4f83da9465ccc87911029f40d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7089047bf84329a861b55c66e7394f78c750fa47fe55ff88b198661152c96fb2
[INFO] running `Command { std: "docker" "start" "-a" "7089047bf84329a861b55c66e7394f78c750fa47fe55ff88b198661152c96fb2", kill_on_drop: false }`
[INFO] [stderr]     Checking serde_spanned v0.6.7
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]    Compiling cell-family v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking toml_edit v0.22.20
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:499:21
[INFO] [stdout]     |
[INFO] [stdout] 499 | struct Invariant<T>(fn(T) -> T);
[INFO] [stdout]     |        ---------    ^^^^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:503:22
[INFO] [stdout]     |
[INFO] [stdout] 503 | struct NotSendOrSync(*const ());
[INFO] [stdout]     |        ------------- ^^^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking toml v0.8.19
[INFO] [stderr]     Checking trybuild v1.0.99
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:499:21
[INFO] [stdout]     |
[INFO] [stdout] 499 | struct Invariant<T>(fn(T) -> T);
[INFO] [stdout]     |        ---------    ^^^^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:503:22
[INFO] [stdout]     |
[INFO] [stdout] 503 | struct NotSendOrSync(*const ());
[INFO] [stdout]     |        ------------- ^^^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `Command { std: "docker" "inspect" "7089047bf84329a861b55c66e7394f78c750fa47fe55ff88b198661152c96fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7089047bf84329a861b55c66e7394f78c750fa47fe55ff88b198661152c96fb2", kill_on_drop: false }`
[INFO] [stdout] 7089047bf84329a861b55c66e7394f78c750fa47fe55ff88b198661152c96fb2