[INFO] cloning repository https://github.com/agilestacks/object-spam
[INFO] running `"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"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagilestacks%2Fobject-spam'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e05819d8798d54a7c6f0257b6bb7360475a47500
[INFO] checking agilestacks/object-spam against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagilestacks%2Fobject-spam" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/agilestacks/object-spam on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-8/source/Cargo.toml
[INFO] crate git repo https://github.com/agilestacks/object-spam already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 515e66f1d6bcd8c55895d445507d733ea553f7309221751f1e05dc00215366b3
[INFO] running `"docker" "start" "-a" "515e66f1d6bcd8c55895d445507d733ea553f7309221751f1e05dc00215366b3"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.23
[INFO] [stderr]     Checking ucd-util v0.1.2
[INFO] [stderr]     Checking quantiles v0.7.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling rusoto_core v0.35.0
[INFO] [stderr]     Checking openssl-sys v0.9.39
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking crossbeam-deque v0.6.2
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]     Checking openssl v0.10.15
[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]    Compiling syn v0.15.20
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.3
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[INFO] [stderr]     Checking h2 v0.1.13
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking native-tls v0.2.2
[INFO] [stderr]     Checking hyper v0.12.14
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking rusoto_credential v0.14.0
[INFO] [stderr]     Checking rusoto_s3 v0.35.0
[INFO] [stderr]     Checking object-spam v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: static variable `matches` should have an upper case name
[INFO] [stderr]   --> src/main.rs:38:16
[INFO] [stderr]    |
[INFO] [stderr] 38 |     static ref matches : ArgMatches<'static> = App::new("object-spam")
[INFO] [stderr]    |                ^^^^^^^ help: convert the identifier to upper case: `MATCHES`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `sz` should have an upper case name
[INFO] [stderr]   --> src/main.rs:91:16
[INFO] [stderr]    |
[INFO] [stderr] 91 |     static ref sz : SpecificSize<Byte> = matches.value_of("size").unwrap().parse().unwrap();
[INFO] [stderr]    |                ^^ help: convert the identifier to upper case: `SZ`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `size` should have an upper case name
[INFO] [stderr]   --> src/main.rs:92:16
[INFO] [stderr]    |
[INFO] [stderr] 92 |     static ref size : usize = sz.value() as usize;
[INFO] [stderr]    |                ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `payload` should have an upper case name
[INFO] [stderr]   --> src/main.rs:93:16
[INFO] [stderr]    |
[INFO] [stderr] 93 |     static ref payload : Vec<u8> = iter::repeat('z' as u8).take(*size).collect();
[INFO] [stderr]    |                ^^^^^^^ help: convert the identifier to upper case: `PAYLOAD`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `workers` should have an upper case name
[INFO] [stderr]   --> src/main.rs:94:16
[INFO] [stderr]    |
[INFO] [stderr] 94 |     static ref workers : usize = matches.value_of("parallel").unwrap().parse().unwrap();
[INFO] [stderr]    |                ^^^^^^^ help: convert the identifier to upper case: `WORKERS`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `endpoint` should have an upper case name
[INFO] [stderr]   --> src/main.rs:95:16
[INFO] [stderr]    |
[INFO] [stderr] 95 |     static ref endpoint : &'static str = matches.value_of("endpoint").unwrap();
[INFO] [stderr]    |                ^^^^^^^^ help: convert the identifier to upper case: `ENDPOINT`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `count` should have an upper case name
[INFO] [stderr]   --> src/main.rs:96:16
[INFO] [stderr]    |
[INFO] [stderr] 96 |     static ref count : usize = matches.value_of("count").unwrap().parse().unwrap(); 
[INFO] [stderr]    |                ^^^^^ help: convert the identifier to upper case: `COUNT`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `jsonout` should have an upper case name
[INFO] [stderr]   --> src/main.rs:97:16
[INFO] [stderr]    |
[INFO] [stderr] 97 |     static ref jsonout : bool = matches.is_present("json");
[INFO] [stderr]    |                ^^^^^^^ help: convert the identifier to upper case: `JSONOUT`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `bench_bucket` should have an upper case name
[INFO] [stderr]   --> src/main.rs:98:16
[INFO] [stderr]    |
[INFO] [stderr] 98 |     static ref bench_bucket : String = { 
[INFO] [stderr]    |                ^^^^^^^^^^^^ help: convert the identifier to upper case: `BENCH_BUCKET`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/stats.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         writeln!(f, "Timing results for {}", self.category);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/stats.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         writeln!(f, "Bandwidth = {:.3} MB/sec", self.bytes / self.sum as f64 / (1024.0 * 1024.0));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/stats.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         writeln!(f, "Mean = {:.3}", (self.max - self.min) / 2_f64);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/stats.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         writeln!(f, "Average = {:.3}", self.sum / self.num_samples as f64);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/stats.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |         writeln!(f, "Max = {:.3}", self.max);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/stats.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         writeln!(f, "Min = {:.3}", self.min);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/stats.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         writeln!(f, "50th Percenile value = {:.3}", self.histogram[FIFTY]);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/stats.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |         writeln!(f, "70th Percenile value = {:.3}", self.histogram[SEVENTY]);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/stats.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         writeln!(f, "90th Percenile value = {:.3}", self.histogram[NINETY]);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/stats.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         writeln!(f, "95th Percenile value = {:.3}", self.histogram[NINETY5]);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `matches` should have an upper case name
[INFO] [stderr]   --> src/main.rs:38:16
[INFO] [stderr]    |
[INFO] [stderr] 38 |     static ref matches : ArgMatches<'static> = App::new("object-spam")
[INFO] [stderr]    |                ^^^^^^^ help: convert the identifier to upper case: `MATCHES`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `sz` should have an upper case name
[INFO] [stderr]   --> src/main.rs:91:16
[INFO] [stderr]    |
[INFO] [stderr] 91 |     static ref sz : SpecificSize<Byte> = matches.value_of("size").unwrap().parse().unwrap();
[INFO] [stderr]    |                ^^ help: convert the identifier to upper case: `SZ`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `size` should have an upper case name
[INFO] [stderr]   --> src/main.rs:92:16
[INFO] [stderr]    |
[INFO] [stderr] 92 |     static ref size : usize = sz.value() as usize;
[INFO] [stderr]    |                ^^^^ help: convert the identifier to upper case: `SIZE`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `payload` should have an upper case name
[INFO] [stderr]   --> src/main.rs:93:16
[INFO] [stderr]    |
[INFO] [stderr] 93 |     static ref payload : Vec<u8> = iter::repeat('z' as u8).take(*size).collect();
[INFO] [stderr]    |                ^^^^^^^ help: convert the identifier to upper case: `PAYLOAD`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `workers` should have an upper case name
[INFO] [stderr]   --> src/main.rs:94:16
[INFO] [stderr]    |
[INFO] [stderr] 94 |     static ref workers : usize = matches.value_of("parallel").unwrap().parse().unwrap();
[INFO] [stderr]    |                ^^^^^^^ help: convert the identifier to upper case: `WORKERS`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `endpoint` should have an upper case name
[INFO] [stderr]   --> src/main.rs:95:16
[INFO] [stderr]    |
[INFO] [stderr] 95 |     static ref endpoint : &'static str = matches.value_of("endpoint").unwrap();
[INFO] [stderr]    |                ^^^^^^^^ help: convert the identifier to upper case: `ENDPOINT`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `count` should have an upper case name
[INFO] [stderr]   --> src/main.rs:96:16
[INFO] [stderr]    |
[INFO] [stderr] 96 |     static ref count : usize = matches.value_of("count").unwrap().parse().unwrap(); 
[INFO] [stderr]    |                ^^^^^ help: convert the identifier to upper case: `COUNT`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `jsonout` should have an upper case name
[INFO] [stderr]   --> src/main.rs:97:16
[INFO] [stderr]    |
[INFO] [stderr] 97 |     static ref jsonout : bool = matches.is_present("json");
[INFO] [stderr]    |                ^^^^^^^ help: convert the identifier to upper case: `JSONOUT`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `bench_bucket` should have an upper case name
[INFO] [stderr]   --> src/main.rs:98:16
[INFO] [stderr]    |
[INFO] [stderr] 98 |     static ref bench_bucket : String = { 
[INFO] [stderr]    |                ^^^^^^^^^^^^ help: convert the identifier to upper case: `BENCH_BUCKET`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/stats.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         writeln!(f, "Timing results for {}", self.category);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/stats.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         writeln!(f, "Bandwidth = {:.3} MB/sec", self.bytes / self.sum as f64 / (1024.0 * 1024.0));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/stats.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         writeln!(f, "Mean = {:.3}", (self.max - self.min) / 2_f64);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/stats.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         writeln!(f, "Average = {:.3}", self.sum / self.num_samples as f64);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/stats.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |         writeln!(f, "Max = {:.3}", self.max);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/stats.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         writeln!(f, "Min = {:.3}", self.min);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/stats.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         writeln!(f, "50th Percenile value = {:.3}", self.histogram[FIFTY]);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/stats.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |         writeln!(f, "70th Percenile value = {:.3}", self.histogram[SEVENTY]);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/stats.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         writeln!(f, "90th Percenile value = {:.3}", self.histogram[NINETY]);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/stats.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         writeln!(f, "95th Percenile value = {:.3}", self.histogram[NINETY5]);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `"docker" "inspect" "515e66f1d6bcd8c55895d445507d733ea553f7309221751f1e05dc00215366b3"`
[INFO] running `"docker" "rm" "-f" "515e66f1d6bcd8c55895d445507d733ea553f7309221751f1e05dc00215366b3"`
[INFO] [stdout] 515e66f1d6bcd8c55895d445507d733ea553f7309221751f1e05dc00215366b3