[INFO] cloning repository https://github.com/domjanabi/pi_approximator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/domjanabi/pi_approximator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomjanabi%2Fpi_approximator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomjanabi%2Fpi_approximator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d9e022d94fcf53501c77fe44487655ddb7a87597
[INFO] checking domjanabi/pi_approximator against try#2c4e58eac5a232e49065e517c1cf50b2715ccf85 for pr-140283
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomjanabi%2Fpi_approximator" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/domjanabi/pi_approximator
[INFO] finished tweaking git repo https://github.com/domjanabi/pi_approximator
[INFO] tweaked toml for git repo https://github.com/domjanabi/pi_approximator written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/domjanabi/pi_approximator on toolchain 2c4e58eac5a232e49065e517c1cf50b2715ccf85
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c4e58eac5a232e49065e517c1cf50b2715ccf85" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/domjanabi/pi_approximator 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" "+2c4e58eac5a232e49065e517c1cf50b2715ccf85" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rayon-core v1.10.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2c4e58eac5a232e49065e517c1cf50b2715ccf85" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35841d4044469649aa8ac8179cbabb9eba8efa9c57168744acd2c06fd838b47f
[INFO] running `Command { std: "docker" "start" "-a" "35841d4044469649aa8ac8179cbabb9eba8efa9c57168744acd2c06fd838b47f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35841d4044469649aa8ac8179cbabb9eba8efa9c57168744acd2c06fd838b47f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35841d4044469649aa8ac8179cbabb9eba8efa9c57168744acd2c06fd838b47f", kill_on_drop: false }`
[INFO] [stdout] 35841d4044469649aa8ac8179cbabb9eba8efa9c57168744acd2c06fd838b47f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2c4e58eac5a232e49065e517c1cf50b2715ccf85" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b97c729f28c65068d7f311330c9940ae1dac87e72d53e5831a2d9f574eec11c
[INFO] running `Command { std: "docker" "start" "-a" "7b97c729f28c65068d7f311330c9940ae1dac87e72d53e5831a2d9f574eec11c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rayon-core v1.10.2
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking rayon v1.6.1
[INFO] [stderr]     Checking pi_approx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `s_cutoff`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let s_cutoff = s*7/10;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let _s_cutoff = s*7/10;
[INFO] [stdout]   |         +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `size`
[INFO] [stdout]   |
[INFO] [stdout] 8 -     let s_cutoff = s*7/10;
[INFO] [stdout] 8 +     let main::size = s*7/10;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |             for i in 0..(s as f64).log2() as u64
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 19 |             for _i in 0..(s as f64).log2() as u64
[INFO] [stdout]    |                 +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `size`
[INFO] [stdout]    |
[INFO] [stdout] 19 -             for i in 0..(s as f64).log2() as u64
[INFO] [stdout] 19 +             for main::size in 0..(s as f64).log2() as u64
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s_cutoff`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let s_cutoff = s*7/10;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let _s_cutoff = s*7/10;
[INFO] [stdout]   |         +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `size`
[INFO] [stdout]   |
[INFO] [stdout] 8 -     let s_cutoff = s*7/10;
[INFO] [stdout] 8 +     let main::size = s*7/10;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |             for i in 0..(s as f64).log2() as u64
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 19 |             for _i in 0..(s as f64).log2() as u64
[INFO] [stdout]    |                 +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `size`
[INFO] [stdout]    |
[INFO] [stdout] 19 -             for i in 0..(s as f64).log2() as u64
[INFO] [stdout] 19 +             for main::size in 0..(s as f64).log2() as u64
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `size` should have an upper case name
[INFO] [stdout]  --> src/main.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     const size:u64 = 10u64.pow(9);
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 6 -     const size:u64 = 10u64.pow(9);
[INFO] [stdout] 6 +     const SIZE:u64 = 10u64.pow(9);
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `size` should have an upper case name
[INFO] [stdout]  --> src/main.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     const size:u64 = 10u64.pow(9);
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 6 -     const size:u64 = 10u64.pow(9);
[INFO] [stdout] 6 +     const SIZE:u64 = 10u64.pow(9);
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `Command { std: "docker" "inspect" "7b97c729f28c65068d7f311330c9940ae1dac87e72d53e5831a2d9f574eec11c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b97c729f28c65068d7f311330c9940ae1dac87e72d53e5831a2d9f574eec11c", kill_on_drop: false }`
[INFO] [stdout] 7b97c729f28c65068d7f311330c9940ae1dac87e72d53e5831a2d9f574eec11c