[INFO] updating cached repository souvik1997/parity-analyzer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/souvik1997/parity-analyzer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/souvik1997/parity-analyzer" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/souvik1997/parity-analyzer"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/souvik1997/parity-analyzer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/souvik1997/parity-analyzer" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/souvik1997/parity-analyzer"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/souvik1997/parity-analyzer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dccc01cd875e23374f499af682e592447a08ae91
[INFO] sha for GitHub repo souvik1997/parity-analyzer: dccc01cd875e23374f499af682e592447a08ae91
[INFO] validating manifest of souvik1997/parity-analyzer on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of souvik1997/parity-analyzer on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing souvik1997/parity-analyzer
[INFO] finished frobbing souvik1997/parity-analyzer
[INFO] frobbed toml for souvik1997/parity-analyzer written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/souvik1997/parity-analyzer/Cargo.toml
[INFO] started frobbing souvik1997/parity-analyzer
[INFO] finished frobbing souvik1997/parity-analyzer
[INFO] frobbed toml for souvik1997/parity-analyzer written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/souvik1997/parity-analyzer/Cargo.toml
[INFO] crate souvik1997/parity-analyzer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking souvik1997/parity-analyzer against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-1/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/souvik1997/parity-analyzer:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1c898893e67217ca77c4abcd821279a90587fa7ab1492a183ceeae6d4a36f52f
[INFO] running `"docker" "start" "-a" "1c898893e67217ca77c4abcd821279a90587fa7ab1492a183ceeae6d4a36f52f"`
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]     Checking gnuplot v0.0.30
[INFO] [stderr]     Checking memchr v2.2.0
[INFO] [stderr]     Checking miniz-sys v0.1.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling derive_more v0.14.0
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking serde v1.0.90
[INFO] [stderr]     Checking csv v1.0.6
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking parity-analyzer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `start_time_millis`
[INFO] [stderr]    --> src/main.rs:704:21
[INFO] [stderr]     |
[INFO] [stderr] 704 |                 let start_time_millis = chunk[0].1.start_timestamp_millis.unwrap_or(chunk[0].1.end_timestamp_millis);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_start_time_millis`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `end_time_millis`
[INFO] [stderr]    --> src/main.rs:707:21
[INFO] [stderr]     |
[INFO] [stderr] 707 |                 let end_time_millis = chunk[chunk.len() - 1].1.end_timestamp_millis;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_end_time_millis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_time_millis`
[INFO] [stderr]    --> src/main.rs:704:21
[INFO] [stderr]     |
[INFO] [stderr] 704 |                 let start_time_millis = chunk[0].1.start_timestamp_millis.unwrap_or(chunk[0].1.end_timestamp_millis);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_start_time_millis`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `end_time_millis`
[INFO] [stderr]    --> src/main.rs:707:21
[INFO] [stderr]     |
[INFO] [stderr] 707 |                 let end_time_millis = chunk[chunk.len() - 1].1.end_timestamp_millis;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_end_time_millis`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_statistics_inner`
[INFO] [stderr]    --> src/main.rs:347:5
[INFO] [stderr]     |
[INFO] [stderr] 347 |     fn print_statistics_inner<F, G>(&self, name: &str, interval: usize, mut f: F) where F: FnMut(&BlockStats) -> Option<G>, G: Default + PartialOrd + ::std::fmt::Display + ::std::ops::Add<G, Output = G> + Into<usize> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_statistics`
[INFO] [stderr]    --> src/main.rs:421:5
[INFO] [stderr]     |
[INFO] [stderr] 421 |     pub fn print_statistics(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_statistics_inner`
[INFO] [stderr]    --> src/main.rs:347:5
[INFO] [stderr]     |
[INFO] [stderr] 347 |     fn print_statistics_inner<F, G>(&self, name: &str, interval: usize, mut f: F) where F: FnMut(&BlockStats) -> Option<G>, G: Default + PartialOrd + ::std::fmt::Display + ::std::ops::Add<G, Output = G> + Into<usize> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_statistics`
[INFO] [stderr]    --> src/main.rs:421:5
[INFO] [stderr]     |
[INFO] [stderr] 421 |     pub fn print_statistics(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `"docker" "inspect" "1c898893e67217ca77c4abcd821279a90587fa7ab1492a183ceeae6d4a36f52f"`
[INFO] running `"docker" "rm" "-f" "1c898893e67217ca77c4abcd821279a90587fa7ab1492a183ceeae6d4a36f52f"`
[INFO] [stdout] 1c898893e67217ca77c4abcd821279a90587fa7ab1492a183ceeae6d4a36f52f