[INFO] cloning repository https://github.com/anvit25/johnson-apsp-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anvit25/johnson-apsp-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanvit25%2Fjohnson-apsp-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanvit25%2Fjohnson-apsp-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5edda0bbc3300ef1341a9c1e447df8d76e959b41
[INFO] testing anvit25/johnson-apsp-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanvit25%2Fjohnson-apsp-rust" "/workspace/builds/worker-84/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-84/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anvit25/johnson-apsp-rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/anvit25/johnson-apsp-rust
[INFO] finished tweaking git repo https://github.com/anvit25/johnson-apsp-rust
[INFO] tweaked toml for git repo https://github.com/anvit25/johnson-apsp-rust written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] crate git repo https://github.com/anvit25/johnson-apsp-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd946003d94d3e2af53f8e27988fab366caabb1676d282778b92ed5601dcf48b
[INFO] running `Command { std: "docker" "start" "-a" "cd946003d94d3e2af53f8e27988fab366caabb1676d282778b92ed5601dcf48b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd946003d94d3e2af53f8e27988fab366caabb1676d282778b92ed5601dcf48b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd946003d94d3e2af53f8e27988fab366caabb1676d282778b92ed5601dcf48b", kill_on_drop: false }`
[INFO] [stdout] cd946003d94d3e2af53f8e27988fab366caabb1676d282778b92ed5601dcf48b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5427828428bdd9844d6650a933fdd7a155a393748cd7f7b67fba679540202b7
[INFO] running `Command { std: "docker" "start" "-a" "a5427828428bdd9844d6650a933fdd7a155a393748cd7f7b67fba679540202b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling johnson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `check_heap`
[INFO] [stdout]    --> src/adj_list.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn check_heap(&self){
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.23s
[INFO] running `Command { std: "docker" "inspect" "a5427828428bdd9844d6650a933fdd7a155a393748cd7f7b67fba679540202b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5427828428bdd9844d6650a933fdd7a155a393748cd7f7b67fba679540202b7", kill_on_drop: false }`
[INFO] [stdout] a5427828428bdd9844d6650a933fdd7a155a393748cd7f7b67fba679540202b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62c1f3a12555daa3aa60630d4f270c381f381b386d92a28affad7d0f10bc48f2
[INFO] running `Command { std: "docker" "start" "-a" "62c1f3a12555daa3aa60630d4f270c381f381b386d92a28affad7d0f10bc48f2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: associated function is never used: `check_heap`
[INFO] [stdout]    --> src/adj_list.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn check_heap(&self){
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling johnson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_heap`
[INFO] [stdout]    --> src/adj_list.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn check_heap(&self){
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4m 03s
[INFO] running `Command { std: "docker" "inspect" "62c1f3a12555daa3aa60630d4f270c381f381b386d92a28affad7d0f10bc48f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62c1f3a12555daa3aa60630d4f270c381f381b386d92a28affad7d0f10bc48f2", kill_on_drop: false }`
[INFO] [stdout] 62c1f3a12555daa3aa60630d4f270c381f381b386d92a28affad7d0f10bc48f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 65892896ab75ac0d1d715c1fc5b325b9bea8e74c1c4e9240610a9654a7837707
[INFO] running `Command { std: "docker" "start" "-a" "65892896ab75ac0d1d715c1fc5b325b9bea8e74c1c4e9240610a9654a7837707", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `check_heap`
[INFO] [stderr]    --> src/adj_list.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     fn check_heap(&self){
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `johnson` (lib) generated 1 warning
[INFO] [stderr] warning: `johnson` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/johnson-069bdc8e41cb327d)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/johnson-39dd5e5ec559ed5a)
[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] [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 johnson
[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" "65892896ab75ac0d1d715c1fc5b325b9bea8e74c1c4e9240610a9654a7837707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65892896ab75ac0d1d715c1fc5b325b9bea8e74c1c4e9240610a9654a7837707", kill_on_drop: false }`
[INFO] [stdout] 65892896ab75ac0d1d715c1fc5b325b9bea8e74c1c4e9240610a9654a7837707