[INFO] fetching crate mrgraph 0.0.4...
[INFO] testing mrgraph-0.0.4 against 1.90.0 for beta-1.91-3
[INFO] extracting crate mrgraph 0.0.4 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate mrgraph 0.0.4
[INFO] finished tweaking crates.io crate mrgraph 0.0.4
[INFO] tweaked toml for crates.io crate mrgraph 0.0.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mrgraph 0.0.4 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] crate crates.io crate mrgraph 0.0.4 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.58
[INFO] [stderr]   Downloaded quote v1.0.35
[INFO] [stderr]   Downloaded getrandom v0.2.12
[INFO] [stderr]   Downloaded thiserror-impl v1.0.58
[INFO] [stderr]   Downloaded uuid v1.8.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.79
[INFO] [stderr]   Downloaded equivalent v1.0.1
[INFO] [stderr]   Downloaded fixedbitset v0.4.2
[INFO] [stderr]   Downloaded adler v1.0.2
[INFO] [stderr]   Downloaded indexmap v1.9.3
[INFO] [stderr]   Downloaded ordered-float v1.1.1
[INFO] [stderr]   Downloaded csv-core v0.1.11
[INFO] [stderr]   Downloaded ryu v1.0.17
[INFO] [stderr]   Downloaded crc32fast v1.4.0
[INFO] [stderr]   Downloaded either v1.10.0
[INFO] [stderr]   Downloaded serde_derive v1.0.197
[INFO] [stderr]   Downloaded fixedbitset v0.2.0
[INFO] [stderr]   Downloaded miniz_oxide v0.7.2
[INFO] [stderr]   Downloaded itoa v1.0.10
[INFO] [stderr]   Downloaded itertools v0.12.1
[INFO] [stderr]   Downloaded indexmap v2.2.6
[INFO] [stderr]   Downloaded petgraph v0.6.4
[INFO] [stderr]   Downloaded serde v1.0.197
[INFO] [stderr]   Downloaded flate2 v1.0.28
[INFO] [stderr]   Downloaded hashbrown v0.14.3
[INFO] [stderr]   Downloaded meritrank2 v0.5.2
[INFO] [stderr]   Downloaded libc v0.2.153
[INFO] [stderr]   Downloaded num-traits v0.2.18
[INFO] [stderr]   Downloaded syn v2.0.53
[INFO] [stderr]   Downloaded memchr v2.7.1
[INFO] [stderr]   Downloaded csv v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3791aa8657763df080f7f82f25bc987567924c91d5bf14afe2e71a2348c7aa83
[INFO] running `Command { std: "docker" "start" "-a" "3791aa8657763df080f7f82f25bc987567924c91d5bf14afe2e71a2348c7aa83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3791aa8657763df080f7f82f25bc987567924c91d5bf14afe2e71a2348c7aa83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3791aa8657763df080f7f82f25bc987567924c91d5bf14afe2e71a2348c7aa83", kill_on_drop: false }`
[INFO] [stdout] 3791aa8657763df080f7f82f25bc987567924c91d5bf14afe2e71a2348c7aa83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c8b66e93efd4c2169efc13fbf769ecc507530cb75b0b506151f27c17deb7bce7
[INFO] running `Command { std: "docker" "start" "-a" "c8b66e93efd4c2169efc13fbf769ecc507530cb75b0b506151f27c17deb7bce7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling uuid v1.8.0
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling csv v1.3.0
[INFO] [stderr]    Compiling meritrank2 v0.5.2
[INFO] [stderr]    Compiling mrgraph v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut graph: &mut MyGraph = graph0.borrow_graph_mut();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.50s
[INFO] running `Command { std: "docker" "inspect" "c8b66e93efd4c2169efc13fbf769ecc507530cb75b0b506151f27c17deb7bce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8b66e93efd4c2169efc13fbf769ecc507530cb75b0b506151f27c17deb7bce7", kill_on_drop: false }`
[INFO] [stdout] c8b66e93efd4c2169efc13fbf769ecc507530cb75b0b506151f27c17deb7bce7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 31d333a2c14356f14f390eee8e937bf470fb308c6e3898f00a874ab75f978c1c
[INFO] running `Command { std: "docker" "start" "-a" "31d333a2c14356f14f390eee8e937bf470fb308c6e3898f00a874ab75f978c1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling mrgraph v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut graph: &mut MyGraph = graph0.borrow_graph_mut();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "31d333a2c14356f14f390eee8e937bf470fb308c6e3898f00a874ab75f978c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d333a2c14356f14f390eee8e937bf470fb308c6e3898f00a874ab75f978c1c", kill_on_drop: false }`
[INFO] [stdout] 31d333a2c14356f14f390eee8e937bf470fb308c6e3898f00a874ab75f978c1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6c46c53ea6f7c102356ea79ec5a56920917d5c74e8a194bfe8e7fc4e0d08874c
[INFO] running `Command { std: "docker" "start" "-a" "6c46c53ea6f7c102356ea79ec5a56920917d5c74e8a194bfe8e7fc4e0d08874c", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut graph: &mut MyGraph = graph0.borrow_graph_mut();
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mrgraph` (bin "mrgraph" test) generated 1 warning (run `cargo fix --bin "mrgraph" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mrgraph-dd0f2f014b478dca)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mrgraph-7aa1270499eda9d4)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mrgraph
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "6c46c53ea6f7c102356ea79ec5a56920917d5c74e8a194bfe8e7fc4e0d08874c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c46c53ea6f7c102356ea79ec5a56920917d5c74e8a194bfe8e7fc4e0d08874c", kill_on_drop: false }`
[INFO] [stdout] 6c46c53ea6f7c102356ea79ec5a56920917d5c74e8a194bfe8e7fc4e0d08874c