[INFO] updating cached repository askobara/gitostat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/askobara/gitostat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/askobara/gitostat" "work/ex/beta-1.38-1/sources/1.37.0/gh/askobara/gitostat"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/askobara/gitostat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/askobara/gitostat" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/askobara/gitostat"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/askobara/gitostat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e51e6177edb7ec092e128a6a2a5efbfad832c4eb
[INFO] sha for GitHub repo askobara/gitostat: e51e6177edb7ec092e128a6a2a5efbfad832c4eb
[INFO] validating manifest of askobara/gitostat on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of askobara/gitostat on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing askobara/gitostat
[INFO] finished frobbing askobara/gitostat
[INFO] frobbed toml for askobara/gitostat written to work/ex/beta-1.38-1/sources/1.37.0/gh/askobara/gitostat/Cargo.toml
[INFO] started frobbing askobara/gitostat
[INFO] finished frobbing askobara/gitostat
[INFO] frobbed toml for askobara/gitostat written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/askobara/gitostat/Cargo.toml
[INFO] crate askobara/gitostat already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/askobara/gitostat/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing askobara/gitostat against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/askobara/gitostat:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 458ae3408b89b2b2103fcf141c08310690bfc402d7a7b05713558f31e736961e
[INFO] running `"docker" "start" "-a" "458ae3408b89b2b2103fcf141c08310690bfc402d7a7b05713558f31e736961e"`
[INFO] [stderr]    Compiling cmake v0.1.41
[INFO] [stderr]    Compiling curl-sys v0.4.20
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling csv v0.15.0
[INFO] [stderr]    Compiling docopt v0.8.3
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.6.19
[INFO] [stderr]    Compiling prettytable-rs v0.6.7
[INFO] [stderr]    Compiling git2 v0.6.11
[INFO] [stderr]    Compiling gitostat v0.4.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/mailmap.rs:116:21
[INFO] [stderr]     |
[INFO] [stderr] 116 |                 let mut me = authors.entry(old_email.unwrap()).or_insert(Author::default());
[INFO] [stderr]     |                     ----^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.56s
[INFO] running `"docker" "inspect" "458ae3408b89b2b2103fcf141c08310690bfc402d7a7b05713558f31e736961e"`
[INFO] running `"docker" "rm" "-f" "458ae3408b89b2b2103fcf141c08310690bfc402d7a7b05713558f31e736961e"`
[INFO] [stdout] 458ae3408b89b2b2103fcf141c08310690bfc402d7a7b05713558f31e736961e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/askobara/gitostat:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 21e97804c207bd35018fbb5ed05f44bfbf9aeafba1ba46ad5e2aee52a5f31564
[INFO] running `"docker" "start" "-a" "21e97804c207bd35018fbb5ed05f44bfbf9aeafba1ba46ad5e2aee52a5f31564"`
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling gitostat v0.4.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `docopt::Docopt`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use docopt::Docopt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `PathBuf`, `Path`
[INFO] [stderr]  --> src/test.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                 ^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/test.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/mailmap.rs:116:21
[INFO] [stderr]     |
[INFO] [stderr] 116 |                 let mut me = authors.entry(old_email.unwrap()).or_insert(Author::default());
[INFO] [stderr]     |                     ----^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/mailmap.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn new(name: Option<String>, email: Option<String>) -> Author {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_name`
[INFO] [stderr]   --> src/mailmap.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn set_name(&mut self, name: Option<String>) -> &mut Author {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_email`
[INFO] [stderr]   --> src/mailmap.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn set_email(&mut self, email: Option<String>) -> &mut Author {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `namemap_insert`
[INFO] [stderr]   --> src/mailmap.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn namemap_insert(&mut self, name: String, author: Author) -> &mut Author {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Mailmap`
[INFO] [stderr]   --> src/mailmap.rs:77:1
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub struct Mailmap {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/mailmap.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn new(path: &Path) -> Option<Mailmap> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `map_user`
[INFO] [stderr]    --> src/mailmap.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn map_user(&self, signature: &git2::Signature) -> Result<String, string::FromUtf8Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PersonalStats`
[INFO] [stderr]   --> src/personal.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct PersonalStats<'repo> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/personal.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(repo: &'repo git2::Repository) -> PersonalStats<'repo> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `append`
[INFO] [stderr]   --> src/personal.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn append(&mut self, commit: &git2::Commit, mailmap: Option<&Mailmap>) -> Result<(), git2::Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `blame`
[INFO] [stderr]   --> src/personal.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn blame(&mut self, files: &Snapshot, mailmap: Option<&Mailmap>) -> Result<(), git2::Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `mapped_name`
[INFO] [stderr]   --> src/personal.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn mapped_name(sig: &git2::Signature, mailmap: Option<&Mailmap>) -> Result<String, git2::Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/main.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn run(args: &Args) -> Result<(), git2::Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `info`
[INFO] [stderr]   --> src/main.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn info(repo: &git2::Repository, mailmap: Option<&Mailmap>) -> Result<(), git2::Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.78s
[INFO] running `"docker" "inspect" "21e97804c207bd35018fbb5ed05f44bfbf9aeafba1ba46ad5e2aee52a5f31564"`
[INFO] running `"docker" "rm" "-f" "21e97804c207bd35018fbb5ed05f44bfbf9aeafba1ba46ad5e2aee52a5f31564"`
[INFO] [stdout] 21e97804c207bd35018fbb5ed05f44bfbf9aeafba1ba46ad5e2aee52a5f31564
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/askobara/gitostat:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] a98dce44126ad3d7c5151dbc0ca46c9733bc934752199793469e72ae41ddde88
[INFO] running `"docker" "start" "-a" "a98dce44126ad3d7c5151dbc0ca46c9733bc934752199793469e72ae41ddde88"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gitostat-908de5944eb5852c
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test heatmap::tests::smoke ... ok
[INFO] [stdout] test snapshot::tests::smoke ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a98dce44126ad3d7c5151dbc0ca46c9733bc934752199793469e72ae41ddde88"`
[INFO] running `"docker" "rm" "-f" "a98dce44126ad3d7c5151dbc0ca46c9733bc934752199793469e72ae41ddde88"`
[INFO] [stdout] a98dce44126ad3d7c5151dbc0ca46c9733bc934752199793469e72ae41ddde88