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[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cloudsftp/RAnT" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcloudsftp%2FRAnT", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72a3d9394ec86d3d7c92f8d60b26c23598ca0d1c
[INFO] checking cloudsftp/RAnT against try#1f308f12738d8cc40bb23bf0c8114b37c164bb49 for pr-137268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcloudsftp%2FRAnT" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cloudsftp/RAnT on toolchain 1f308f12738d8cc40bb23bf0c8114b37c164bb49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
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[INFO] finished tweaking git repo https://github.com/cloudsftp/RAnT
[INFO] tweaked toml for git repo https://github.com/cloudsftp/RAnT written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cloudsftp/RAnT already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: constant `START` is never used
[INFO] [stdout]   --> examples/logistic/src/main.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 | const START: f64 = 3.;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `END` is never used
[INFO] [stdout]   --> examples/logistic/src/main.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 | const END: f64 = 4.;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `project_results` is never used
[INFO] [stdout]   --> examples/logistic/src/main.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn project_results(_: &f64, parameters: &Parameters, result: &Cycle<f64>) -> Option<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parameters` is never constructed
[INFO] [stdout]  --> examples/logistic/src/main.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Parameters {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compare_parameters` is never used
[INFO] [stdout]   --> examples/logistic/src/main.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn compare_parameters(a: &Parameters, b: &Parameters) -> Ordering {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `logistic` is never used
[INFO] [stdout]   --> examples/logistic/src/main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn logistic(x: f64, params: &Parameters) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `distance` is never used
[INFO] [stdout]   --> examples/logistic/src/main.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn distance(a: &f64, b: &f64) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compare_states` is never used
[INFO] [stdout]   --> examples/logistic/src/main.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn compare_states(a: &f64, b: &f64) -> Ordering {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `START` is never used
[INFO] [stdout]   --> examples/logistic/src/main.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 | const START: f64 = 3.;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `END` is never used
[INFO] [stdout]   --> examples/logistic/src/main.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 | const END: f64 = 4.;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RESOLUTION` is never used
[INFO] [stdout]   --> examples/logistic/src/main.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | const RESOLUTION: usize = 100;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `construct_parameters` is never used
[INFO] [stdout]   --> examples/logistic/src/main.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn construct_parameters(a: f64) -> (f64, Parameters) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `project_results` is never used
[INFO] [stdout]   --> examples/logistic/src/main.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn project_results(_: &f64, parameters: &Parameters, result: &Cycle<f64>) -> Option<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
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[INFO] [stdout] eb9ac47bb518279ac774ccb0f3189b26e0f9b0a2e4300ef2acb5b44978452c73