[INFO] cloning repository https://github.com/waterfl0w/Superman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/waterfl0w/Superman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwaterfl0w%2FSuperman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwaterfl0w%2FSuperman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24091bf7f70e3ae4fe86f0bee912874ba70f24c7
[INFO] checking waterfl0w/Superman against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwaterfl0w%2FSuperman" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/waterfl0w/Superman on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/waterfl0w/Superman
[INFO] finished tweaking git repo https://github.com/waterfl0w/Superman
[INFO] tweaked toml for git repo https://github.com/waterfl0w/Superman written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/waterfl0w/Superman already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hashbrown v0.9.1
[INFO] [stderr]   Downloaded fixedbitset v0.2.0
[INFO] [stderr]   Downloaded petgraph v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d6f5fd41f83001f3fcf11247f398577294b3836cd2ee44c44040dea2f143d1d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7d6f5fd41f83001f3fcf11247f398577294b3836cd2ee44c44040dea2f143d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d6f5fd41f83001f3fcf11247f398577294b3836cd2ee44c44040dea2f143d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d6f5fd41f83001f3fcf11247f398577294b3836cd2ee44c44040dea2f143d1d", kill_on_drop: false }`
[INFO] [stdout] 7d6f5fd41f83001f3fcf11247f398577294b3836cd2ee44c44040dea2f143d1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18db1da3e9df0db3cc8fe8bbb684be274a1d456a2f4b1724b6cc5a56e72b5eb5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "18db1da3e9df0db3cc8fe8bbb684be274a1d456a2f4b1724b6cc5a56e72b5eb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking lambda v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BinaryHeap`
[INFO] [stdout]  --> src/main.rs:5:42
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::{HashMap, HashSet, BinaryHeap};
[INFO] [stdout]   |                                          ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Node`
[INFO] [stdout]  --> src/main.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 | use petgraph::graph::{NodeIndex, Node};
[INFO] [stdout]   |                                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BinaryHeap`
[INFO] [stdout]  --> src/main.rs:5:42
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::{HashMap, HashSet, BinaryHeap};
[INFO] [stdout]   |                                          ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Node`
[INFO] [stdout]  --> src/main.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 | use petgraph::graph::{NodeIndex, Node};
[INFO] [stdout]   |                                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let path = args.get(1);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let path = args.get(1);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.09s
[INFO] running `Command { std: "docker" "inspect" "18db1da3e9df0db3cc8fe8bbb684be274a1d456a2f4b1724b6cc5a56e72b5eb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18db1da3e9df0db3cc8fe8bbb684be274a1d456a2f4b1724b6cc5a56e72b5eb5", kill_on_drop: false }`
[INFO] [stdout] 18db1da3e9df0db3cc8fe8bbb684be274a1d456a2f4b1724b6cc5a56e72b5eb5