[INFO] cloning repository https://github.com/agilestacks/object-spam
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/agilestacks/object-spam" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagilestacks%2Fobject-spam", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagilestacks%2Fobject-spam'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e05819d8798d54a7c6f0257b6bb7360475a47500
[INFO] checking agilestacks/object-spam against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagilestacks%2Fobject-spam" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/agilestacks/object-spam on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/agilestacks/object-spam
[INFO] finished tweaking git repo https://github.com/agilestacks/object-spam
[INFO] tweaked toml for git repo https://github.com/agilestacks/object-spam written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/agilestacks/object-spam already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e82a167fa7d08ff79c97b9c68ab47b00e814b2bc96699ddd3479fdfab3971fb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4e82a167fa7d08ff79c97b9c68ab47b00e814b2bc96699ddd3479fdfab3971fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e82a167fa7d08ff79c97b9c68ab47b00e814b2bc96699ddd3479fdfab3971fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e82a167fa7d08ff79c97b9c68ab47b00e814b2bc96699ddd3479fdfab3971fb", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] 7381c7a03027bcaea198ac6a835518ddaf6164a34a979054a9d46b4ffe282891
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[INFO] [stdout] warning: static variable `matches` should have an upper case name
[INFO] [stdout]   --> src/main.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |     static ref matches : ArgMatches<'static> = App::new("object-spam")
[INFO] [stdout]    |                ^^^^^^^ help: convert the identifier to upper case: `MATCHES`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `sz` should have an upper case name
[INFO] [stdout]   --> src/main.rs:91:16
[INFO] [stdout]    |
[INFO] [stdout] 91 |     static ref sz : SpecificSize<Byte> = matches.value_of("size").unwrap().parse().unwrap();
[INFO] [stdout]    |                ^^ help: convert the identifier to upper case (notice the capitalization): `SZ`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `size` should have an upper case name
[INFO] [stdout]   --> src/main.rs:92:16
[INFO] [stdout]    |
[INFO] [stdout] 92 |     static ref size : usize = sz.value() as usize;
[INFO] [stdout]    |                ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `payload` should have an upper case name
[INFO] [stdout]   --> src/main.rs:93:16
[INFO] [stdout]    |
[INFO] [stdout] 93 |     static ref payload : Vec<u8> = iter::repeat('z' as u8).take(*size).collect();
[INFO] [stdout]    |                ^^^^^^^ help: convert the identifier to upper case: `PAYLOAD`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `workers` should have an upper case name
[INFO] [stdout]   --> src/main.rs:94:16
[INFO] [stdout]    |
[INFO] [stdout] 94 |     static ref workers : usize = matches.value_of("parallel").unwrap().parse().unwrap();
[INFO] [stdout]    |                ^^^^^^^ help: convert the identifier to upper case: `WORKERS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `endpoint` should have an upper case name
[INFO] [stdout]   --> src/main.rs:95:16
[INFO] [stdout]    |
[INFO] [stdout] 95 |     static ref endpoint : &'static str = matches.value_of("endpoint").unwrap();
[INFO] [stdout]    |                ^^^^^^^^ help: convert the identifier to upper case: `ENDPOINT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `count` should have an upper case name
[INFO] [stdout]   --> src/main.rs:96:16
[INFO] [stdout]    |
[INFO] [stdout] 96 |     static ref count : usize = matches.value_of("count").unwrap().parse().unwrap(); 
[INFO] [stdout]    |                ^^^^^ help: convert the identifier to upper case: `COUNT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `jsonout` should have an upper case name
[INFO] [stdout]   --> src/main.rs:97:16
[INFO] [stdout]    |
[INFO] [stdout] 97 |     static ref jsonout : bool = matches.is_present("json");
[INFO] [stdout]    |                ^^^^^^^ help: convert the identifier to upper case: `JSONOUT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `bench_bucket` should have an upper case name
[INFO] [stdout]   --> src/main.rs:98:16
[INFO] [stdout]    |
[INFO] [stdout] 98 |     static ref bench_bucket : String = { 
[INFO] [stdout]    |                ^^^^^^^^^^^^ help: convert the identifier to upper case: `BENCH_BUCKET`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stats.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         writeln!(f, "Timing results for {}", self.category);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stats.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         writeln!(f, "Bandwidth = {:.3} MB/sec", self.bytes / self.sum as f64 / (1024.0 * 1024.0));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stats.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         writeln!(f, "Mean = {:.3}", (self.max - self.min) / 2_f64);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stats.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         writeln!(f, "Average = {:.3}", self.sum / self.num_samples as f64);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stats.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         writeln!(f, "Max = {:.3}", self.max);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stats.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         writeln!(f, "Min = {:.3}", self.min);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stats.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         writeln!(f, "50th Percenile value = {:.3}", self.histogram[FIFTY]);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stats.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         writeln!(f, "70th Percenile value = {:.3}", self.histogram[SEVENTY]);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stats.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         writeln!(f, "90th Percenile value = {:.3}", self.histogram[NINETY]);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stats.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         writeln!(f, "95th Percenile value = {:.3}", self.histogram[NINETY5]);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `matches` should have an upper case name
[INFO] [stdout]   --> src/main.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |     static ref matches : ArgMatches<'static> = App::new("object-spam")
[INFO] [stdout]    |                ^^^^^^^ help: convert the identifier to upper case: `MATCHES`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `sz` should have an upper case name
[INFO] [stdout]   --> src/main.rs:91:16
[INFO] [stdout]    |
[INFO] [stdout] 91 |     static ref sz : SpecificSize<Byte> = matches.value_of("size").unwrap().parse().unwrap();
[INFO] [stdout]    |                ^^ help: convert the identifier to upper case (notice the capitalization): `SZ`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `size` should have an upper case name
[INFO] [stdout]   --> src/main.rs:92:16
[INFO] [stdout]    |
[INFO] [stdout] 92 |     static ref size : usize = sz.value() as usize;
[INFO] [stdout]    |                ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `payload` should have an upper case name
[INFO] [stdout]   --> src/main.rs:93:16
[INFO] [stdout]    |
[INFO] [stdout] 93 |     static ref payload : Vec<u8> = iter::repeat('z' as u8).take(*size).collect();
[INFO] [stdout]    |                ^^^^^^^ help: convert the identifier to upper case: `PAYLOAD`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `workers` should have an upper case name
[INFO] [stdout]   --> src/main.rs:94:16
[INFO] [stdout]    |
[INFO] [stdout] 94 |     static ref workers : usize = matches.value_of("parallel").unwrap().parse().unwrap();
[INFO] [stdout]    |                ^^^^^^^ help: convert the identifier to upper case: `WORKERS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `endpoint` should have an upper case name
[INFO] [stdout]   --> src/main.rs:95:16
[INFO] [stdout]    |
[INFO] [stdout] 95 |     static ref endpoint : &'static str = matches.value_of("endpoint").unwrap();
[INFO] [stdout]    |                ^^^^^^^^ help: convert the identifier to upper case: `ENDPOINT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `count` should have an upper case name
[INFO] [stdout]   --> src/main.rs:96:16
[INFO] [stdout]    |
[INFO] [stdout] 96 |     static ref count : usize = matches.value_of("count").unwrap().parse().unwrap(); 
[INFO] [stdout]    |                ^^^^^ help: convert the identifier to upper case: `COUNT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `jsonout` should have an upper case name
[INFO] [stdout]   --> src/main.rs:97:16
[INFO] [stdout]    |
[INFO] [stdout] 97 |     static ref jsonout : bool = matches.is_present("json");
[INFO] [stdout]    |                ^^^^^^^ help: convert the identifier to upper case: `JSONOUT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `bench_bucket` should have an upper case name
[INFO] [stdout]   --> src/main.rs:98:16
[INFO] [stdout]    |
[INFO] [stdout] 98 |     static ref bench_bucket : String = { 
[INFO] [stdout]    |                ^^^^^^^^^^^^ help: convert the identifier to upper case: `BENCH_BUCKET`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stats.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         writeln!(f, "Timing results for {}", self.category);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stats.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         writeln!(f, "Bandwidth = {:.3} MB/sec", self.bytes / self.sum as f64 / (1024.0 * 1024.0));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stats.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         writeln!(f, "Mean = {:.3}", (self.max - self.min) / 2_f64);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stats.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         writeln!(f, "Average = {:.3}", self.sum / self.num_samples as f64);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stats.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         writeln!(f, "Max = {:.3}", self.max);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stats.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         writeln!(f, "Min = {:.3}", self.min);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stats.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         writeln!(f, "50th Percenile value = {:.3}", self.histogram[FIFTY]);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stats.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         writeln!(f, "70th Percenile value = {:.3}", self.histogram[SEVENTY]);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stats.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         writeln!(f, "90th Percenile value = {:.3}", self.histogram[NINETY]);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/stats.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         writeln!(f, "95th Percenile value = {:.3}", self.histogram[NINETY5]);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.25s
[INFO] running `Command { std: "docker" "inspect" "7381c7a03027bcaea198ac6a835518ddaf6164a34a979054a9d46b4ffe282891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7381c7a03027bcaea198ac6a835518ddaf6164a34a979054a9d46b4ffe282891", kill_on_drop: false }`
[INFO] [stdout] 7381c7a03027bcaea198ac6a835518ddaf6164a34a979054a9d46b4ffe282891