[INFO] fetching crate labelgraph 2.2.3...
[INFO] testing labelgraph-2.2.3 against 1.90.0 for beta-1.91-3
[INFO] extracting crate labelgraph 2.2.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate labelgraph 2.2.3
[INFO] finished tweaking crates.io crate labelgraph 2.2.3
[INFO] tweaked toml for crates.io crate labelgraph 2.2.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate labelgraph 2.2.3 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 501820b5bb1cb07f21d88930d0539658aacbe2ecf116d901778cd04fd17d9cb4
[INFO] running `Command { std: "docker" "start" "-a" "501820b5bb1cb07f21d88930d0539658aacbe2ecf116d901778cd04fd17d9cb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "501820b5bb1cb07f21d88930d0539658aacbe2ecf116d901778cd04fd17d9cb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "501820b5bb1cb07f21d88930d0539658aacbe2ecf116d901778cd04fd17d9cb4", kill_on_drop: false }`
[INFO] [stdout] 501820b5bb1cb07f21d88930d0539658aacbe2ecf116d901778cd04fd17d9cb4
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b903730e316d298db1f219aff3a86113ddecb1a1a146cbd80dd10a501bd5e1a7
[INFO] running `Command { std: "docker" "start" "-a" "b903730e316d298db1f219aff3a86113ddecb1a1a146cbd80dd10a501bd5e1a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling labelgraph v2.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `graph_traversal_algorithms::*`
[INFO] [stdout]  --> src/lib.rs:4:44
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use crate::{graph::DirectedLabelGraph, graph_traversal_algorithms::*};
[INFO] [stdout]   |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "b903730e316d298db1f219aff3a86113ddecb1a1a146cbd80dd10a501bd5e1a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b903730e316d298db1f219aff3a86113ddecb1a1a146cbd80dd10a501bd5e1a7", kill_on_drop: false }`
[INFO] [stdout] b903730e316d298db1f219aff3a86113ddecb1a1a146cbd80dd10a501bd5e1a7
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eebe1d1ad2849e6c4cfe8e533a52606897bf7bed5354b7d286ac2c8d8d0b1e5b
[INFO] running `Command { std: "docker" "start" "-a" "eebe1d1ad2849e6c4cfe8e533a52606897bf7bed5354b7d286ac2c8d8d0b1e5b", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `graph_traversal_algorithms::*`
[INFO] [stdout]  --> src/lib.rs:4:44
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use crate::{graph::DirectedLabelGraph, graph_traversal_algorithms::*};
[INFO] [stdout]   |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling labelgraph v2.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `graph_traversal_algorithms::*`
[INFO] [stdout]  --> src/lib.rs:4:44
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use crate::{graph::DirectedLabelGraph, graph_traversal_algorithms::*};
[INFO] [stdout]   |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "eebe1d1ad2849e6c4cfe8e533a52606897bf7bed5354b7d286ac2c8d8d0b1e5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eebe1d1ad2849e6c4cfe8e533a52606897bf7bed5354b7d286ac2c8d8d0b1e5b", kill_on_drop: false }`
[INFO] [stdout] eebe1d1ad2849e6c4cfe8e533a52606897bf7bed5354b7d286ac2c8d8d0b1e5b
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 132928f0de860b06673a2e75f6e357c609e4d1d95c604e7259e11277eeca4c3b
[INFO] running `Command { std: "docker" "start" "-a" "132928f0de860b06673a2e75f6e357c609e4d1d95c604e7259e11277eeca4c3b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `graph_traversal_algorithms::*`
[INFO] [stderr]  --> src/lib.rs:4:44
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub use crate::{graph::DirectedLabelGraph, graph_traversal_algorithms::*};
[INFO] [stderr]   |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `labelgraph` (lib) generated 1 warning (run `cargo fix --lib -p labelgraph` to apply 1 suggestion)
[INFO] [stderr] warning: `labelgraph` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/labelgraph-a5bdbf04dc6590bf)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests labelgraph
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "132928f0de860b06673a2e75f6e357c609e4d1d95c604e7259e11277eeca4c3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "132928f0de860b06673a2e75f6e357c609e4d1d95c604e7259e11277eeca4c3b", kill_on_drop: false }`
[INFO] [stdout] 132928f0de860b06673a2e75f6e357c609e4d1d95c604e7259e11277eeca4c3b