[INFO] fetching crate proton-call 3.1.2...
[INFO] checking proton-call-3.1.2 against master#f8f6997469237299c1d60814c7b9828602a1f8e4 for pr-143808
[INFO] extracting crate proton-call 3.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate proton-call 3.1.2
[INFO] finished tweaking crates.io crate proton-call 3.1.2
[INFO] tweaked toml for crates.io crate proton-call 3.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate proton-call 3.1.2 on toolchain f8f6997469237299c1d60814c7b9828602a1f8e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate proton-call 3.1.2 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" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jargon-args v0.2.5
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89eba524b58410bd2171b3ad70c35b974e613c03078a5742bf49e5c4fe00cc2a
[INFO] running `Command { std: "docker" "start" "-a" "89eba524b58410bd2171b3ad70c35b974e613c03078a5742bf49e5c4fe00cc2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89eba524b58410bd2171b3ad70c35b974e613c03078a5742bf49e5c4fe00cc2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89eba524b58410bd2171b3ad70c35b974e613c03078a5742bf49e5c4fe00cc2a", kill_on_drop: false }`
[INFO] [stdout] 89eba524b58410bd2171b3ad70c35b974e613c03078a5742bf49e5c4fe00cc2a
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8d31f9732e9ae7fe9570b04ffa5ac7760ac678992d913834c5b47aaef37bd92
[INFO] running `Command { std: "docker" "start" "-a" "c8d31f9732e9ae7fe9570b04ffa5ac7760ac678992d913834c5b47aaef37bd92", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]     Checking jargon-args v0.2.5
[INFO] [stderr]     Checking lliw v0.2.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking proton-call v3.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `missing_fragment_specifier` has been removed: converted into hard error, see <https://github.com/rust-lang/rust/issues/40107> for more information
[INFO] [stdout]  --> src/lib.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![forbid(missing_fragment_specifier)]
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `missing_fragment_specifier` has been removed: converted into hard error, see <https://github.com/rust-lang/rust/issues/40107> for more information
[INFO] [stdout]  --> src/lib.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![forbid(missing_fragment_specifier)]
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]   --> src/runtime.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Runtime {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 16 |     version: RunTimeVersion,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Runtime` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]   --> src/runtime.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Runtime {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 16 |     version: RunTimeVersion,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Runtime` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.22s
[INFO] running `Command { std: "docker" "inspect" "c8d31f9732e9ae7fe9570b04ffa5ac7760ac678992d913834c5b47aaef37bd92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8d31f9732e9ae7fe9570b04ffa5ac7760ac678992d913834c5b47aaef37bd92", kill_on_drop: false }`
[INFO] [stdout] c8d31f9732e9ae7fe9570b04ffa5ac7760ac678992d913834c5b47aaef37bd92