[INFO] fetching crate size-limit 0.1.0...
[INFO] checking size-limit-0.1.0 against master#3350c1eb3fd8fe1bee1ed4c76944d707bd256876 for pr-140558
[INFO] extracting crate size-limit 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate size-limit 0.1.0 on toolchain 3350c1eb3fd8fe1bee1ed4c76944d707bd256876
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate size-limit 0.1.0
[INFO] finished tweaking crates.io crate size-limit 0.1.0
[INFO] tweaked toml for crates.io crate size-limit 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" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ff879798bf5ed15bedd29152bfc69b9911637f35649a912498e595990c09dc8
[INFO] running `Command { std: "docker" "start" "-a" "3ff879798bf5ed15bedd29152bfc69b9911637f35649a912498e595990c09dc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ff879798bf5ed15bedd29152bfc69b9911637f35649a912498e595990c09dc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ff879798bf5ed15bedd29152bfc69b9911637f35649a912498e595990c09dc8", kill_on_drop: false }`
[INFO] [stdout] 3ff879798bf5ed15bedd29152bfc69b9911637f35649a912498e595990c09dc8
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3350c1eb3fd8fe1bee1ed4c76944d707bd256876" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99c0e748256ca00f71f72d97dc0cf78d3c2b182df257b7ba21d0fea39bf03ecd
[INFO] running `Command { std: "docker" "start" "-a" "99c0e748256ca00f71f72d97dc0cf78d3c2b182df257b7ba21d0fea39bf03ecd", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking size-limit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `SerdeProc` is never used
[INFO] [stdout]  --> src/range_limit/serde.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | trait SerdeProc {
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SerdeProc` is never used
[INFO] [stdout]  --> src/range_limit/serde.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | trait SerdeProc {
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Normal` is never constructed
[INFO] [stdout]   --> src/range_limit/serde.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Normal<T>(T);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Normal` is never constructed
[INFO] [stdout]   --> src/range_limit/serde.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Normal<T>(T);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SmartPtr` is never constructed
[INFO] [stdout]   --> src/range_limit/serde.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct SmartPtr<P, T>(P)
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SmartPtr` is never constructed
[INFO] [stdout]   --> src/range_limit/serde.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct SmartPtr<P, T>(P)
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "99c0e748256ca00f71f72d97dc0cf78d3c2b182df257b7ba21d0fea39bf03ecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99c0e748256ca00f71f72d97dc0cf78d3c2b182df257b7ba21d0fea39bf03ecd", kill_on_drop: false }`
[INFO] [stdout] 99c0e748256ca00f71f72d97dc0cf78d3c2b182df257b7ba21d0fea39bf03ecd