[INFO] cloning repository https://github.com/CosmicSyntax/graph
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CosmicSyntax/graph" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCosmicSyntax%2Fgraph", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCosmicSyntax%2Fgraph'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0598f4d2f65311d1d43d5902e75f35280d703250
[INFO] checking CosmicSyntax/graph against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCosmicSyntax%2Fgraph" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CosmicSyntax/graph on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CosmicSyntax/graph
[INFO] finished tweaking git repo https://github.com/CosmicSyntax/graph
[INFO] tweaked toml for git repo https://github.com/CosmicSyntax/graph written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/CosmicSyntax/graph already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cee482bac1519d7491fa869f0045e583cc11824de591596e5da81cc5084c81d6
[INFO] running `Command { std: "docker" "start" "-a" "cee482bac1519d7491fa869f0045e583cc11824de591596e5da81cc5084c81d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cee482bac1519d7491fa869f0045e583cc11824de591596e5da81cc5084c81d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cee482bac1519d7491fa869f0045e583cc11824de591596e5da81cc5084c81d6", kill_on_drop: false }`
[INFO] [stdout] cee482bac1519d7491fa869f0045e583cc11824de591596e5da81cc5084c81d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1b534f38d9fb2445867bc95e91c72bda91eef7e7d3b8aa7a0d3129f926e7fa85
[INFO] running `Command { std: "docker" "start" "-a" "1b534f38d9fb2445867bc95e91c72bda91eef7e7d3b8aa7a0d3129f926e7fa85", kill_on_drop: false }`
[INFO] [stderr]     Checking graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:111:19
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:111:19
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` 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 0.51s
[INFO] running `Command { std: "docker" "inspect" "1b534f38d9fb2445867bc95e91c72bda91eef7e7d3b8aa7a0d3129f926e7fa85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b534f38d9fb2445867bc95e91c72bda91eef7e7d3b8aa7a0d3129f926e7fa85", kill_on_drop: false }`
[INFO] [stdout] 1b534f38d9fb2445867bc95e91c72bda91eef7e7d3b8aa7a0d3129f926e7fa85