[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#db4e1d23234d93b5e96ecc768b35d9090c32cddf for pr-149901
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomjanabi%2Fpi_approximator" "/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/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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/domjanabi/pi_approximator on toolchain db4e1d23234d93b5e96ecc768b35d9090c32cddf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "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" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "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] 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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70226ede4bbac45baa800ab8d83ca43176abd9fe54ee28c7fbc1ab890a6c3c33
[INFO] running `Command { std: "docker" "start" "-a" "70226ede4bbac45baa800ab8d83ca43176abd9fe54ee28c7fbc1ab890a6c3c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70226ede4bbac45baa800ab8d83ca43176abd9fe54ee28c7fbc1ab890a6c3c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70226ede4bbac45baa800ab8d83ca43176abd9fe54ee28c7fbc1ab890a6c3c33", kill_on_drop: false }`
[INFO] [stdout] 70226ede4bbac45baa800ab8d83ca43176abd9fe54ee28c7fbc1ab890a6c3c33
[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" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95b0e4df1d0ec7af81eab22b08c8c1c7166762896d6b570d4174821e15aa65a6
[INFO] running `Command { std: "docker" "start" "-a" "95b0e4df1d0ec7af81eab22b08c8c1c7166762896d6b570d4174821e15aa65a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling libc v0.2.139
[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 num_cpus v1.15.0
[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: `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]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[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] 
[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: 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]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[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] 
[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 3.84s
[INFO] running `Command { std: "docker" "inspect" "95b0e4df1d0ec7af81eab22b08c8c1c7166762896d6b570d4174821e15aa65a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95b0e4df1d0ec7af81eab22b08c8c1c7166762896d6b570d4174821e15aa65a6", kill_on_drop: false }`
[INFO] [stdout] 95b0e4df1d0ec7af81eab22b08c8c1c7166762896d6b570d4174821e15aa65a6
