[INFO] fetching crate simple_graph_algorithms 1.0.0...
[INFO] building simple_graph_algorithms-1.0.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate simple_graph_algorithms 1.0.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate simple_graph_algorithms 1.0.0
[INFO] finished tweaking crates.io crate simple_graph_algorithms 1.0.0
[INFO] tweaked toml for crates.io crate simple_graph_algorithms 1.0.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate simple_graph_algorithms 1.0.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 69 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.4.0 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6feaef40af92346222ee4a8121417c879fdc0d72d68c557ead225e2a28787982
[INFO] running `Command { std: "docker" "start" "-a" "6feaef40af92346222ee4a8121417c879fdc0d72d68c557ead225e2a28787982", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "rm" "-f" "6feaef40af92346222ee4a8121417c879fdc0d72d68c557ead225e2a28787982", kill_on_drop: false }`
[INFO] [stdout] 6feaef40af92346222ee4a8121417c879fdc0d72d68c557ead225e2a28787982
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3518af964cb9f025d7fa5e431c81b2ca7ebfa3ee0d0ddd929ba5d3ccdafbba1
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[INFO] [stderr]    Compiling simple_graph_algorithms v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "e3518af964cb9f025d7fa5e431c81b2ca7ebfa3ee0d0ddd929ba5d3ccdafbba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3518af964cb9f025d7fa5e431c81b2ca7ebfa3ee0d0ddd929ba5d3ccdafbba1", kill_on_drop: false }`
[INFO] [stdout] e3518af964cb9f025d7fa5e431c81b2ca7ebfa3ee0d0ddd929ba5d3ccdafbba1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a72a2af3dd0274c401c5d40a0ed7fbd64103ec7d71a3b5700f8917f56774149f
[INFO] running `Command { std: "docker" "start" "-a" "a72a2af3dd0274c401c5d40a0ed7fbd64103ec7d71a3b5700f8917f56774149f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.4.0
[INFO] [stderr]    Compiling simple_graph_algorithms v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `algorithms::dijkstra`, `graph_1`, and `graph_2`
[INFO] [stdout]    --> src/graph.rs:478:24
[INFO] [stdout]     |
[INFO] [stdout] 478 |     use crate::{Graph, algorithms::dijkstra, graph_1, graph_2};
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^  ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `graph`
[INFO] [stdout]    --> src/lib.rs:454:66
[INFO] [stdout]     |
[INFO] [stdout] 454 |         use crate::{graph_2, algorithms::dijkstra, ShortestPath, graph, ShortestPathTree};
[INFO] [stdout]     |                                                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `spt`
[INFO] [stdout]    --> src/algorithms.rs:270:13
[INFO] [stdout]     |
[INFO] [stdout] 270 |         let spt = dijkstra(&mut graph, &'b');
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_spt`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/graph.rs:548:13
[INFO] [stdout]     |
[INFO] [stdout] 548 |         let mut graph = Graph::<String>::from(&vec);
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `spt`
[INFO] [stdout]    --> src/algorithms.rs:289:13
[INFO] [stdout]     |
[INFO] [stdout] 289 |         let spt = bellman_ford(&mut graph, &'b');
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_spt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.60s
[INFO] running `Command { std: "docker" "inspect" "a72a2af3dd0274c401c5d40a0ed7fbd64103ec7d71a3b5700f8917f56774149f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a72a2af3dd0274c401c5d40a0ed7fbd64103ec7d71a3b5700f8917f56774149f", kill_on_drop: false }`
[INFO] [stdout] a72a2af3dd0274c401c5d40a0ed7fbd64103ec7d71a3b5700f8917f56774149f