[INFO] updating cached repository https://github.com/askobara/gitostat
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e51e6177edb7ec092e128a6a2a5efbfad832c4eb
[INFO] testing askobara/gitostat against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Faskobara%2Fgitostat" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/askobara/gitostat on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/askobara/gitostat
[INFO] finished tweaking git repo https://github.com/askobara/gitostat
[INFO] tweaked toml for git repo https://github.com/askobara/gitostat written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/askobara/gitostat already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 2a0de3d4f8ec11af0402ca52209c48d73a6a826573accd1b42546937f932b2d2
[INFO] running `"docker" "start" "-a" "2a0de3d4f8ec11af0402ca52209c48d73a6a826573accd1b42546937f932b2d2"`
[INFO] [stderr]    Compiling openssl-sys v0.9.50
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling docopt v0.8.3
[INFO] [stderr]    Compiling libssh2-sys v0.2.12
[INFO] [stderr]    Compiling curl-sys v0.4.22
[INFO] [stderr]    Compiling libgit2-sys v0.6.19
[INFO] [stderr]    Compiling git2 v0.6.11
[INFO] [stderr]    Compiling gitostat v0.4.1 (/opt/rustwide/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 13.43s
[INFO] running `"docker" "inspect" "2a0de3d4f8ec11af0402ca52209c48d73a6a826573accd1b42546937f932b2d2"`
[INFO] running `"docker" "rm" "-f" "2a0de3d4f8ec11af0402ca52209c48d73a6a826573accd1b42546937f932b2d2"`
[INFO] [stdout] 2a0de3d4f8ec11af0402ca52209c48d73a6a826573accd1b42546937f932b2d2
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2d8b1a1364b4a8d7a130210ff392746e263e5062469ab0cd1aaca53f2a3fb7e7
[INFO] running `"docker" "start" "-a" "2d8b1a1364b4a8d7a130210ff392746e263e5062469ab0cd1aaca53f2a3fb7e7"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling gitostat v0.4.1 (/opt/rustwide/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 3.62s
[INFO] running `"docker" "inspect" "2d8b1a1364b4a8d7a130210ff392746e263e5062469ab0cd1aaca53f2a3fb7e7"`
[INFO] running `"docker" "rm" "-f" "2d8b1a1364b4a8d7a130210ff392746e263e5062469ab0cd1aaca53f2a3fb7e7"`
[INFO] [stdout] 2d8b1a1364b4a8d7a130210ff392746e263e5062469ab0cd1aaca53f2a3fb7e7
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 39a98ab57153cde323df99a5b084029b1d1832985a4f5c38916a0e879925a12b
[INFO] running `"docker" "start" "-a" "39a98ab57153cde323df99a5b084029b1d1832985a4f5c38916a0e879925a12b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gitostat-2f2716fd51f6b5d3
[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" "39a98ab57153cde323df99a5b084029b1d1832985a4f5c38916a0e879925a12b"`
[INFO] running `"docker" "rm" "-f" "39a98ab57153cde323df99a5b084029b1d1832985a4f5c38916a0e879925a12b"`
[INFO] [stdout] 39a98ab57153cde323df99a5b084029b1d1832985a4f5c38916a0e879925a12b