[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 master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomjanabi%2Fpi_approximator" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/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-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/domjanabi/pi_approximator on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memoffset v0.7.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3570137950f74a2a909e185b60ad2b7ae93a69139f0d5297a06a0b8edeee1c0
[INFO] running `Command { std: "docker" "start" "-a" "b3570137950f74a2a909e185b60ad2b7ae93a69139f0d5297a06a0b8edeee1c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3570137950f74a2a909e185b60ad2b7ae93a69139f0d5297a06a0b8edeee1c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3570137950f74a2a909e185b60ad2b7ae93a69139f0d5297a06a0b8edeee1c0", kill_on_drop: false }`
[INFO] [stdout] b3570137950f74a2a909e185b60ad2b7ae93a69139f0d5297a06a0b8edeee1c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2b3e8c3f18aab84c322e8660d1cdee8e87e1a654f625fa4a8b3f5abc7610a8a
[INFO] running `Command { std: "docker" "start" "-a" "d2b3e8c3f18aab84c322e8660d1cdee8e87e1a654f625fa4a8b3f5abc7610a8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.10.2
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking num_cpus v1.15.0
[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]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_s_cutoff`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[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]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[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)]` 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: unused variable: `s_cutoff`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let s_cutoff = s*7/10;
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_s_cutoff`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[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]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[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)]` 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 4.41s
[INFO] running `Command { std: "docker" "inspect" "d2b3e8c3f18aab84c322e8660d1cdee8e87e1a654f625fa4a8b3f5abc7610a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2b3e8c3f18aab84c322e8660d1cdee8e87e1a654f625fa4a8b3f5abc7610a8a", kill_on_drop: false }`
[INFO] [stdout] d2b3e8c3f18aab84c322e8660d1cdee8e87e1a654f625fa4a8b3f5abc7610a8a