[INFO] cloning repository https://github.com/haskelladdict/scarab
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/haskelladdict/scarab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaskelladdict%2Fscarab"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaskelladdict%2Fscarab'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1ca5dd304d5eb79f61677d42b5f5933f4f8c9fc1
[INFO] checking haskelladdict/scarab against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaskelladdict%2Fscarab" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/haskelladdict/scarab on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/haskelladdict/scarab
[INFO] finished tweaking git repo https://github.com/haskelladdict/scarab
[INFO] tweaked toml for git repo https://github.com/haskelladdict/scarab written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/haskelladdict/scarab already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 956d7b31885e646cd79ce6b485ffe20c8e6996eb2c242f17388354c4c636799e
[INFO] running `"docker" "start" "-a" "956d7b31885e646cd79ce6b485ffe20c8e6996eb2c242f17388354c4c636799e"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking scarab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/diffuse.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 |     if (status != 0) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Isaac64Rng`
[INFO] [stderr]  --> src/random.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rand::Isaac64Rng;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `rng` should have an upper camel case name
[INFO] [stderr]    --> src/random.rs:129:12
[INFO] [stderr]     |
[INFO] [stderr] 129 | pub struct rng {
[INFO] [stderr]     |            ^^^ help: convert the identifier to upper camel case: `Rng`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/diffuse.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 |     if (status != 0) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Isaac64Rng`
[INFO] [stderr]  --> src/random.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rand::Isaac64Rng;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `rng` should have an upper camel case name
[INFO] [stderr]    --> src/random.rs:129:12
[INFO] [stderr]     |
[INFO] [stderr] 129 | pub struct rng {
[INFO] [stderr]     |            ^^^ help: convert the identifier to upper camel case: `Rng`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `disp`
[INFO] [stderr]   --> src/diffuse.rs:20:16
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let (done, disp) = collide(mol, meshes, disp);
[INFO] [stderr]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_disp`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/diffuse.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 |   let mut disp = vector::Vec3{x: scale * rng.norm(), y: scale * rng.norm(), z: scale * rng.norm() };
[INFO] [stderr]    |       ----^^^^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `disp`
[INFO] [stderr]   --> src/diffuse.rs:20:16
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let (done, disp) = collide(mol, meshes, disp);
[INFO] [stderr]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_disp`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/diffuse.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 |   let mut disp = vector::Vec3{x: scale * rng.norm(), y: scale * rng.norm(), z: scale * rng.norm() };
[INFO] [stderr]    |       ----^^^^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/random.rs:183:11
[INFO] [stderr]     |
[INFO] [stderr] 183 |       let mut y;
[INFO] [stderr]     |           ----^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dbl`
[INFO] [stderr]    --> src/random.rs:141:3
[INFO] [stderr]     |
[INFO] [stderr] 141 |   pub fn dbl(&mut self) -> f64 {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `uint`
[INFO] [stderr]    --> src/random.rs:145:3
[INFO] [stderr]     |
[INFO] [stderr] 145 |   pub fn uint(&mut self) -> u64 {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `int`
[INFO] [stderr]    --> src/random.rs:149:3
[INFO] [stderr]     |
[INFO] [stderr] 149 |   pub fn int(&mut self) -> i64 {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `geom_epsilon` should have an upper case name
[INFO] [stderr]  --> src/geometry.rs:8:11
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub const geom_epsilon : f64 = 1e-12;
[INFO] [stderr]   |           ^^^^^^^^^^^^ help: convert the identifier to upper case: `GEOM_EPSILON`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `geom_epsilon_2` should have an upper case name
[INFO] [stderr]  --> src/geometry.rs:9:11
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub const geom_epsilon_2 : f64 = 1e-24;
[INFO] [stderr]   |           ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `GEOM_EPSILON_2`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `D` should have a snake case name
[INFO] [stderr]   --> src/geometry.rs:61:7
[INFO] [stderr]    |
[INFO] [stderr] 61 |   let D = uv * uv - uu * vv;
[INFO] [stderr]    |       ^ help: convert the identifier to snake case: `d`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `D` should have a snake case name
[INFO] [stderr]  --> src/molecule.rs:9:7
[INFO] [stderr]   |
[INFO] [stderr] 9 |   pub D   : f64,     // diffusion coefficient
[INFO] [stderr]   |       ^ help: convert the identifier to snake case: `d`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `ID` should have a snake case name
[INFO] [stderr]   --> src/molecule.rs:10:7
[INFO] [stderr]    |
[INFO] [stderr] 10 |   pub ID  : usize,   // species ID
[INFO] [stderr]    |       ^^ help: convert the identifier to snake case: `id`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `ID` should have a snake case name
[INFO] [stderr]   --> src/molecule.rs:17:7
[INFO] [stderr]    |
[INFO] [stderr] 17 |   pub ID : usize,        // what species are we
[INFO] [stderr]    |       ^^ help: convert the identifier to snake case: `id`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/random.rs:183:11
[INFO] [stderr]     |
[INFO] [stderr] 183 |       let mut y;
[INFO] [stderr]     |           ----^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dbl`
[INFO] [stderr]    --> src/random.rs:141:3
[INFO] [stderr]     |
[INFO] [stderr] 141 |   pub fn dbl(&mut self) -> f64 {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `uint`
[INFO] [stderr]    --> src/random.rs:145:3
[INFO] [stderr]     |
[INFO] [stderr] 145 |   pub fn uint(&mut self) -> u64 {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `int`
[INFO] [stderr]    --> src/random.rs:149:3
[INFO] [stderr]     |
[INFO] [stderr] 149 |   pub fn int(&mut self) -> i64 {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `geom_epsilon` should have an upper case name
[INFO] [stderr]  --> src/geometry.rs:8:11
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub const geom_epsilon : f64 = 1e-12;
[INFO] [stderr]   |           ^^^^^^^^^^^^ help: convert the identifier to upper case: `GEOM_EPSILON`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `geom_epsilon_2` should have an upper case name
[INFO] [stderr]  --> src/geometry.rs:9:11
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub const geom_epsilon_2 : f64 = 1e-24;
[INFO] [stderr]   |           ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `GEOM_EPSILON_2`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `D` should have a snake case name
[INFO] [stderr]   --> src/geometry.rs:61:7
[INFO] [stderr]    |
[INFO] [stderr] 61 |   let D = uv * uv - uu * vv;
[INFO] [stderr]    |       ^ help: convert the identifier to snake case: `d`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `D` should have a snake case name
[INFO] [stderr]  --> src/molecule.rs:9:7
[INFO] [stderr]   |
[INFO] [stderr] 9 |   pub D   : f64,     // diffusion coefficient
[INFO] [stderr]   |       ^ help: convert the identifier to snake case: `d`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `ID` should have a snake case name
[INFO] [stderr]   --> src/molecule.rs:10:7
[INFO] [stderr]    |
[INFO] [stderr] 10 |   pub ID  : usize,   // species ID
[INFO] [stderr]    |       ^^ help: convert the identifier to snake case: `id`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `ID` should have a snake case name
[INFO] [stderr]   --> src/molecule.rs:17:7
[INFO] [stderr]    |
[INFO] [stderr] 17 |   pub ID : usize,        // what species are we
[INFO] [stderr]    |       ^^ help: convert the identifier to snake case: `id`
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.14s
[INFO] running `"docker" "inspect" "956d7b31885e646cd79ce6b485ffe20c8e6996eb2c242f17388354c4c636799e"`
[INFO] running `"docker" "rm" "-f" "956d7b31885e646cd79ce6b485ffe20c8e6996eb2c242f17388354c4c636799e"`
[INFO] [stdout] 956d7b31885e646cd79ce6b485ffe20c8e6996eb2c242f17388354c4c636799e