[INFO] cloning repository https://github.com/1sadtrombone/langton_experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/1sadtrombone/langton_experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1sadtrombone%2Flangton_experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1sadtrombone%2Flangton_experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 361cf08f47ad1cbdd51e0abb5bb43f446173e72c
[INFO] checking 1sadtrombone/langton_experiment against master#292be5c7c05138d753bbd4b30db7a3f1a5c914f7 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1sadtrombone%2Flangton_experiment" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/1sadtrombone/langton_experiment
[INFO] finished tweaking git repo https://github.com/1sadtrombone/langton_experiment
[INFO] tweaked toml for git repo https://github.com/1sadtrombone/langton_experiment written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/1sadtrombone/langton_experiment on toolchain 292be5c7c05138d753bbd4b30db7a3f1a5c914f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/1sadtrombone/langton_experiment 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" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ryu v1.0.9
[INFO] [stderr]   Downloaded num-complex v0.4.1
[INFO] [stderr]   Downloaded num-rational v0.4.0
[INFO] [stderr]   Downloaded getrandom v0.2.6
[INFO] [stderr]   Downloaded serde v1.0.137
[INFO] [stderr]   Downloaded libc v0.2.125
[INFO] [stderr]   Downloaded csv v1.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "cb660488fb1fc72fbbecd12d8955098341bc1a7d61708d7a243b37a1bd1826e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb660488fb1fc72fbbecd12d8955098341bc1a7d61708d7a243b37a1bd1826e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb660488fb1fc72fbbecd12d8955098341bc1a7d61708d7a243b37a1bd1826e4", kill_on_drop: false }`
[INFO] [stdout] cb660488fb1fc72fbbecd12d8955098341bc1a7d61708d7a243b37a1bd1826e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c076ff2aaa6e367619f4cd1a4eb9513624700a1798bdecda34e542e39196de1b
[INFO] running `Command { std: "docker" "start" "-a" "c076ff2aaa6e367619f4cd1a4eb9513624700a1798bdecda34e542e39196de1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking num-complex v0.4.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking langton_experiment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: cannot multiply `f32` by `u8`
[INFO] [stdout]   --> src/main.rs:54:33
[INFO] [stdout]    |
[INFO] [stdout] 54 |         max_counts[j] = (bjs[j] * denoms[j]).round() as u8; // THE ROUNDING
[INFO] [stdout]    |                                 ^ no implementation for `f32 * u8`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Mul<u8>` is not implemented for `f32`
[INFO] [stdout]    = help: the following other types implement trait `Mul<Rhs>`:
[INFO] [stdout]              `&f32` implements `Mul<f32>`
[INFO] [stdout]              `&f32` implements `Mul`
[INFO] [stdout]              `f32` implements `Mul<&f32>`
[INFO] [stdout]              `f32` implements `Mul`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:54:25
[INFO] [stdout]    |
[INFO] [stdout] 54 |         max_counts[j] = (bjs[j] * denoms[j]).round() as u8; // THE ROUNDING
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut nu: f32 = 0.;
[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: unused variable: `bjs`
[INFO] [stdout]   --> src/main.rs:67:49
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn get_nu<const R: usize, const OPT_NUM: usize>(bjs: [f32; OPT_NUM]) -> f32 {
[INFO] [stdout]    |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_bjs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nu`
[INFO] [stdout]   --> src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut nu: f32 = 0.;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_nu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/main.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     for j in 0..OPT_NUM {
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `N`
[INFO] [stdout]    |
[INFO] [stdout] 70 -     for j in 0..OPT_NUM {
[INFO] [stdout] 70 +     for main::N in 0..OPT_NUM {
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 70 |     for _j in 0..OPT_NUM {
[INFO] [stdout]    |         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |     let mut rules = [0u8, 1u8, 0u8, 1u8, 1u8, 0u8, 0u8, 0u8];
[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:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |     let mut bjs = get_rule_bjs::<RULE_NUM, R, {R+1}, K>(&rules);
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `write_path`
[INFO] [stdout]    --> src/main.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |     let write_path = "../../target/series.csv";
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_write_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ics` is never read
[INFO] [stdout]    --> src/main.rs:203:5
[INFO] [stdout]     |
[INFO] [stdout] 203 |     ics[N/2] = 1;
[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] Some errors have detailed explanations: E0277, E0282.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `langton_experiment` (bin "langton_experiment") due to 2 previous errors; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0277]: cannot multiply `f32` by `u8`
[INFO] [stdout]   --> src/main.rs:54:33
[INFO] [stdout]    |
[INFO] [stdout] 54 |         max_counts[j] = (bjs[j] * denoms[j]).round() as u8; // THE ROUNDING
[INFO] [stdout]    |                                 ^ no implementation for `f32 * u8`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Mul<u8>` is not implemented for `f32`
[INFO] [stdout]    = help: the following other types implement trait `Mul<Rhs>`:
[INFO] [stdout]              `&f32` implements `Mul<f32>`
[INFO] [stdout]              `&f32` implements `Mul`
[INFO] [stdout]              `f32` implements `Mul<&f32>`
[INFO] [stdout]              `f32` implements `Mul`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:54:25
[INFO] [stdout]    |
[INFO] [stdout] 54 |         max_counts[j] = (bjs[j] * denoms[j]).round() as u8; // THE ROUNDING
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut nu: f32 = 0.;
[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: unused variable: `bjs`
[INFO] [stdout]   --> src/main.rs:67:49
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn get_nu<const R: usize, const OPT_NUM: usize>(bjs: [f32; OPT_NUM]) -> f32 {
[INFO] [stdout]    |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_bjs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nu`
[INFO] [stdout]   --> src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut nu: f32 = 0.;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_nu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/main.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     for j in 0..OPT_NUM {
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `N`
[INFO] [stdout]    |
[INFO] [stdout] 70 -     for j in 0..OPT_NUM {
[INFO] [stdout] 70 +     for main::N in 0..OPT_NUM {
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 70 |     for _j in 0..OPT_NUM {
[INFO] [stdout]    |         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |     let mut rules = [0u8, 1u8, 0u8, 1u8, 1u8, 0u8, 0u8, 0u8];
[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:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |     let mut bjs = get_rule_bjs::<RULE_NUM, R, {R+1}, K>(&rules);
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `write_path`
[INFO] [stdout]    --> src/main.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |     let write_path = "../../target/series.csv";
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_write_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ics` is never read
[INFO] [stdout]    --> src/main.rs:203:5
[INFO] [stdout]     |
[INFO] [stdout] 203 |     ics[N/2] = 1;
[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] Some errors have detailed explanations: E0277, E0282.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `langton_experiment` (bin "langton_experiment" test) due to 2 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c076ff2aaa6e367619f4cd1a4eb9513624700a1798bdecda34e542e39196de1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c076ff2aaa6e367619f4cd1a4eb9513624700a1798bdecda34e542e39196de1b", kill_on_drop: false }`
[INFO] [stdout] c076ff2aaa6e367619f4cd1a4eb9513624700a1798bdecda34e542e39196de1b
