[INFO] fetching crate cell-family 0.1.0...
[INFO] checking cell-family-0.1.0 against 1.95.0 for pr-155915
[INFO] extracting crate cell-family 0.1.0 into /workspace/builds/worker-4-tc1/source
[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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cell-family 0.1.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 28 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc501794b3c22cb0b4743776043c036e460c5e85d7d6872287869a6230a90e47
[INFO] running `Command { std: "docker" "start" "-a" "fc501794b3c22cb0b4743776043c036e460c5e85d7d6872287869a6230a90e47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc501794b3c22cb0b4743776043c036e460c5e85d7d6872287869a6230a90e47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc501794b3c22cb0b4743776043c036e460c5e85d7d6872287869a6230a90e47", kill_on_drop: false }`
[INFO] [stdout] fc501794b3c22cb0b4743776043c036e460c5e85d7d6872287869a6230a90e47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 102afb0fd76e6b3ad36719f7a866f83cd28bcec7487d46e21a7eef03a8ed229b
[INFO] running `Command { std: "docker" "start" "-a" "102afb0fd76e6b3ad36719f7a866f83cd28bcec7487d46e21a7eef03a8ed229b", kill_on_drop: false }`
[INFO] [stderr]     Checking winnow v1.0.2
[INFO] [stderr]    Compiling target-triple v1.0.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking serde_spanned v1.1.1
[INFO] [stderr]     Checking toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling cell-family v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking toml_writer v1.1.1+spec-1.1.0
[INFO] [stderr]     Checking glob v0.3.3
[INFO] [stderr]     Checking toml_parser v1.1.2+spec-1.1.0
[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)]` (part of `#[warn(unused)]`) 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] [stderr]     Checking toml v1.1.2+spec-1.1.0
[INFO] [stderr]     Checking trybuild v1.0.116
[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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.72s
[INFO] running `Command { std: "docker" "inspect" "102afb0fd76e6b3ad36719f7a866f83cd28bcec7487d46e21a7eef03a8ed229b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "102afb0fd76e6b3ad36719f7a866f83cd28bcec7487d46e21a7eef03a8ed229b", kill_on_drop: false }`
[INFO] [stdout] 102afb0fd76e6b3ad36719f7a866f83cd28bcec7487d46e21a7eef03a8ed229b
