[INFO] cloning repository https://github.com/proven-tools/RUST-fibonacci
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/proven-tools/RUST-fibonacci" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproven-tools%2FRUST-fibonacci", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproven-tools%2FRUST-fibonacci'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f298bc19d0521d6c93a04fe1f6529fb24f4927e
[INFO] checking proven-tools/RUST-fibonacci against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproven-tools%2FRUST-fibonacci" "/workspace/builds/worker-114/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-114/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/proven-tools/RUST-fibonacci on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/proven-tools/RUST-fibonacci
[INFO] finished tweaking git repo https://github.com/proven-tools/RUST-fibonacci
[INFO] tweaked toml for git repo https://github.com/proven-tools/RUST-fibonacci written to /workspace/builds/worker-114/source/Cargo.toml
[INFO] crate git repo https://github.com/proven-tools/RUST-fibonacci already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c659f58e2989a6580a27245ec2d9c8e0a63f566c8f686c30024a6c78e2670859
[INFO] running `Command { std: "docker" "start" "-a" "c659f58e2989a6580a27245ec2d9c8e0a63f566c8f686c30024a6c78e2670859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c659f58e2989a6580a27245ec2d9c8e0a63f566c8f686c30024a6c78e2670859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c659f58e2989a6580a27245ec2d9c8e0a63f566c8f686c30024a6c78e2670859", kill_on_drop: false }`
[INFO] [stdout] c659f58e2989a6580a27245ec2d9c8e0a63f566c8f686c30024a6c78e2670859
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30f608a1cba0d8bd07994d1b0ad3daffec5764371e96a0173d7e2c29b12aba2f
[INFO] running `Command { std: "docker" "start" "-a" "30f608a1cba0d8bd07994d1b0ad3daffec5764371e96a0173d7e2c29b12aba2f", kill_on_drop: false }`
[INFO] [stderr]     Checking RUST-fibonacci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `RUST_fibonacci` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_fibonacci`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `RUST_fibonacci` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_fibonacci`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "30f608a1cba0d8bd07994d1b0ad3daffec5764371e96a0173d7e2c29b12aba2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30f608a1cba0d8bd07994d1b0ad3daffec5764371e96a0173d7e2c29b12aba2f", kill_on_drop: false }`
[INFO] [stdout] 30f608a1cba0d8bd07994d1b0ad3daffec5764371e96a0173d7e2c29b12aba2f