[INFO] fetching crate graphlib_rust 0.0.3...
[INFO] checking graphlib_rust-0.0.3 against master#e4106065bf1bb515935d5d024e8d9c86454e2b22 for pr-112160
[INFO] extracting crate graphlib_rust 0.0.3 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate graphlib_rust 0.0.3 on toolchain e4106065bf1bb515935d5d024e8d9c86454e2b22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate graphlib_rust 0.0.3
[INFO] finished tweaking crates.io crate graphlib_rust 0.0.3
[INFO] tweaked toml for crates.io crate graphlib_rust 0.0.3 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" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "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" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ordered_hashmap v0.0.3
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0013941a7c6eff120db99b5e091d3bf91813bc2d4acf8c11255c5426a55d75f
[INFO] running `Command { std: "docker" "start" "-a" "e0013941a7c6eff120db99b5e091d3bf91813bc2d4acf8c11255c5426a55d75f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0013941a7c6eff120db99b5e091d3bf91813bc2d4acf8c11255c5426a55d75f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0013941a7c6eff120db99b5e091d3bf91813bc2d4acf8c11255c5426a55d75f", kill_on_drop: false }`
[INFO] [stdout] e0013941a7c6eff120db99b5e091d3bf91813bc2d4acf8c11255c5426a55d75f
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bff09089e618ab567b05647eb8ce41be7c99b15caf9ad17f370b89933c060aad
[INFO] running `Command { std: "docker" "start" "-a" "bff09089e618ab567b05647eb8ce41be7c99b15caf9ad17f370b89933c060aad", kill_on_drop: false }`
[INFO] [stderr]     Checking ordered_hashmap v0.0.3
[INFO] [stderr]     Checking graphlib_rust v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::backtrace`
[INFO] [stdout]  --> src/graph.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::backtrace;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::backtrace::Backtrace`
[INFO] [stdout]  --> src/graph.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::backtrace::Backtrace;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::backtrace`
[INFO] [stdout]  --> src/graph.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::backtrace;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::backtrace::Backtrace`
[INFO] [stdout]  --> src/graph.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::backtrace::Backtrace;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "bff09089e618ab567b05647eb8ce41be7c99b15caf9ad17f370b89933c060aad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bff09089e618ab567b05647eb8ce41be7c99b15caf9ad17f370b89933c060aad", kill_on_drop: false }`
[INFO] [stdout] bff09089e618ab567b05647eb8ce41be7c99b15caf9ad17f370b89933c060aad