[INFO] cloning repository https://github.com/invrtd/physics-project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/invrtd/physics-project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finvrtd%2Fphysics-project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finvrtd%2Fphysics-project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a726739a9f5b7d47fefbfed9fc1189877e3a9bec
[INFO] checking invrtd/physics-project against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finvrtd%2Fphysics-project" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/invrtd/physics-project
[INFO] finished tweaking git repo https://github.com/invrtd/physics-project
[INFO] tweaked toml for git repo https://github.com/invrtd/physics-project written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/invrtd/physics-project on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/invrtd/physics-project 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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_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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ff6ba69413d836384150ccf0722bf91dcf265875a3def5151ff943905ece5b2
[INFO] running `Command { std: "docker" "start" "-a" "2ff6ba69413d836384150ccf0722bf91dcf265875a3def5151ff943905ece5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ff6ba69413d836384150ccf0722bf91dcf265875a3def5151ff943905ece5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ff6ba69413d836384150ccf0722bf91dcf265875a3def5151ff943905ece5b2", kill_on_drop: false }`
[INFO] [stdout] 2ff6ba69413d836384150ccf0722bf91dcf265875a3def5151ff943905ece5b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92cd7d7e280fe806f8ce57efb46cd8ae5aa750f72787d5f117275f5ea06d6d52
[INFO] running `Command { std: "docker" "start" "-a" "92cd7d7e280fe806f8ce57efb46cd8ae5aa750f72787d5f117275f5ea06d6d52", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking gimli v0.28.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking svg v0.7.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking plotlib v0.5.1
[INFO] [stderr]     Checking untitled v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `height_data`
[INFO] [stdout]   --> src/main.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let(time_height, height_data,velocity_data,acceleration_data,drag_data) = compute_data();
[INFO] [stdout]    |                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_height_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `velocity_data`
[INFO] [stdout]   --> src/main.rs:17:34
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let(time_height, height_data,velocity_data,acceleration_data,drag_data) = compute_data();
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_velocity_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `acceleration_data`
[INFO] [stdout]   --> src/main.rs:17:48
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let(time_height, height_data,velocity_data,acceleration_data,drag_data) = compute_data();
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_acceleration_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `drag_data`
[INFO] [stdout]   --> src/main.rs:17:66
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let(time_height, height_data,velocity_data,acceleration_data,drag_data) = compute_data();
[INFO] [stdout]    |                                                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_drag_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height_data`
[INFO] [stdout]   --> src/main.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let(time_height, height_data,velocity_data,acceleration_data,drag_data) = compute_data();
[INFO] [stdout]    |                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_height_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `untitled` (bin "untitled" test) due to 2 previous errors; 11 warnings emitted
[INFO] [stdout] warning: unused variable: `velocity_data`
[INFO] [stdout]   --> src/main.rs:17:34
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let(time_height, height_data,velocity_data,acceleration_data,drag_data) = compute_data();
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_velocity_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `acceleration_data`
[INFO] [stdout]   --> src/main.rs:17:48
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let(time_height, height_data,velocity_data,acceleration_data,drag_data) = compute_data();
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_acceleration_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `untitled` (bin "untitled") due to 2 previous errors; 11 warnings emitted
[INFO] [stdout] warning: unused variable: `drag_data`
[INFO] [stdout]   --> src/main.rs:17:66
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let(time_height, height_data,velocity_data,acceleration_data,drag_data) = compute_data();
[INFO] [stdout]    |                                                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_drag_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `min` is never read
[INFO] [stdout]   --> src/main.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut min = 0.0 ;
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max` is never read
[INFO] [stdout]   --> src/main.rs:69:19
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let mut max = 0.0 ;
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let mut height_data = vec![h];
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let mut velocity_data = vec![v];
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let mut acceleration_data = vec![a];
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `min` is never read
[INFO] [stdout]   --> src/main.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut min = 0.0 ;
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut drag_data = vec![drag];
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max` is never read
[INFO] [stdout]   --> src/main.rs:69:19
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let mut max = 0.0 ;
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let mut height_data = vec![h];
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let mut velocity_data = vec![v];
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `graph_range` is never used
[INFO] [stdout]   --> src/main.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn graph_range (input: Vec<f64>) -> (f64,f64){
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let mut acceleration_data = vec![a];
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut drag_data = vec![drag];
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `graph_range` is never used
[INFO] [stdout]   --> src/main.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn graph_range (input: Vec<f64>) -> (f64,f64){
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |         x_axis_name: "it works?".parse().unwrap(),
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 |         x_axis_name: "it works?".parse().unwrap(),
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |         y_axis_name: "it works?".parse().unwrap()
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |         y_axis_name: "it works?".parse().unwrap()
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "92cd7d7e280fe806f8ce57efb46cd8ae5aa750f72787d5f117275f5ea06d6d52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92cd7d7e280fe806f8ce57efb46cd8ae5aa750f72787d5f117275f5ea06d6d52", kill_on_drop: false }`
[INFO] [stdout] 92cd7d7e280fe806f8ce57efb46cd8ae5aa750f72787d5f117275f5ea06d6d52
