[INFO] cloning repository https://github.com/renproject/econ-sim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/renproject/econ-sim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenproject%2Fecon-sim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenproject%2Fecon-sim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c34b4a14f3ffcc37aa2b9cbfff7256291c02ce5f
[INFO] checking renproject/econ-sim against master#43d9f3859e0204e764161ee085a360274b5f3e9a for pr-97346
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenproject%2Fecon-sim" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/renproject/econ-sim on toolchain 43d9f3859e0204e764161ee085a360274b5f3e9a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/renproject/econ-sim
[INFO] finished tweaking git repo https://github.com/renproject/econ-sim
[INFO] tweaked toml for git repo https://github.com/renproject/econ-sim written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/renproject/econ-sim already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 325c1d912923887de990efc39c05cddeaff902b6f8ad58ae477cbe08d320433d
[INFO] running `Command { std: "docker" "start" "-a" "325c1d912923887de990efc39c05cddeaff902b6f8ad58ae477cbe08d320433d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "325c1d912923887de990efc39c05cddeaff902b6f8ad58ae477cbe08d320433d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "325c1d912923887de990efc39c05cddeaff902b6f8ad58ae477cbe08d320433d", kill_on_drop: false }`
[INFO] [stdout] 325c1d912923887de990efc39c05cddeaff902b6f8ad58ae477cbe08d320433d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29ea402775082f6bc6a19405e8b5895e12b2097c913d759ca8861c932a61ad63
[INFO] running `Command { std: "docker" "start" "-a" "29ea402775082f6bc6a19405e8b5895e12b2097c913d759ca8861c932a61ad63", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking eco v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `history`
[INFO] [stdout]   --> src/main.rs:54:16
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn mint_volume(history: &Vec<State>) -> USD {
[INFO] [stdout]    |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_history`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `history`
[INFO] [stdout]   --> src/main.rs:92:19
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn mint_fee_curve(history: &Vec<State>) -> Percentage {
[INFO] [stdout]    |                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_history`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `history`
[INFO] [stdout]    --> src/main.rs:132:21
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn rebate_collected(history: &Vec<State>, f: USD) -> USD {
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_history`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `history`
[INFO] [stdout]   --> src/main.rs:54:16
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn mint_volume(history: &Vec<State>) -> USD {
[INFO] [stdout]    |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_history`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `history`
[INFO] [stdout]   --> src/main.rs:92:19
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn mint_fee_curve(history: &Vec<State>) -> Percentage {
[INFO] [stdout]    |                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_history`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `history`
[INFO] [stdout]    --> src/main.rs:132:21
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn rebate_collected(history: &Vec<State>, f: USD) -> USD {
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_history`
[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 4m 56s
[INFO] running `Command { std: "docker" "inspect" "29ea402775082f6bc6a19405e8b5895e12b2097c913d759ca8861c932a61ad63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29ea402775082f6bc6a19405e8b5895e12b2097c913d759ca8861c932a61ad63", kill_on_drop: false }`
[INFO] [stdout] 29ea402775082f6bc6a19405e8b5895e12b2097c913d759ca8861c932a61ad63