[INFO] updating cached repository https://github.com/tigranmt/Diff
[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] c41faf6455ec5b788adfe341c98cec00d9cf2712
[INFO] testing tigranmt/Diff against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftigranmt%2FDiff" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tigranmt/Diff 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/tigranmt/Diff
[INFO] finished tweaking git repo https://github.com/tigranmt/Diff
[INFO] tweaked toml for git repo https://github.com/tigranmt/Diff written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/tigranmt/Diff 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] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] 4bec04359f01c09986dc3c1386148d254bc6c993bbadba8135221f45cda576fe
[INFO] running `"docker" "start" "-a" "4bec04359f01c09986dc3c1386148d254bc6c993bbadba8135221f45cda576fe"`
[INFO] [stderr]    Compiling diff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/diff/presenter.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 |     writer : Box<std::io::Write>,
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/diff/presenter.rs:17:26
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new (_w : Box<std::io::Write>) -> DiffPresenter        
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "4bec04359f01c09986dc3c1386148d254bc6c993bbadba8135221f45cda576fe"`
[INFO] running `"docker" "rm" "-f" "4bec04359f01c09986dc3c1386148d254bc6c993bbadba8135221f45cda576fe"`
[INFO] [stdout] 4bec04359f01c09986dc3c1386148d254bc6c993bbadba8135221f45cda576fe
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] 8a44e5f6fbfa2382fb33c2abd361b15568adabaee696a2195adf28e748323ecf
[INFO] running `"docker" "start" "-a" "8a44e5f6fbfa2382fb33c2abd361b15568adabaee696a2195adf28e748323ecf"`
[INFO] [stderr]    Compiling diff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/diff/presenter.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 |     writer : Box<std::io::Write>,
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/diff/presenter.rs:17:26
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new (_w : Box<std::io::Write>) -> DiffPresenter        
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "8a44e5f6fbfa2382fb33c2abd361b15568adabaee696a2195adf28e748323ecf"`
[INFO] running `"docker" "rm" "-f" "8a44e5f6fbfa2382fb33c2abd361b15568adabaee696a2195adf28e748323ecf"`
[INFO] [stdout] 8a44e5f6fbfa2382fb33c2abd361b15568adabaee696a2195adf28e748323ecf
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] ee2cedf7d5af719565bfe4078ddf69d6f58c66509bb9689184cac0ebfb0489cf
[INFO] running `"docker" "start" "-a" "ee2cedf7d5af719565bfe4078ddf69d6f58c66509bb9689184cac0ebfb0489cf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/diff-85f737896174e2b9
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test diff::difflib::tests::equal_strings ... ok
[INFO] [stdout] test diff::difflib::tests::update_add ... ok
[INFO] [stdout] test diff::difflib::tests::empty_strings ... ok
[INFO] [stdout] test diff::difflib::tests::update_arm ... ok
[INFO] [stdout] test diff::difflib::tests::add_to_empty ... ok
[INFO] [stdout] test diff::difflib::tests::remove_to_empty ... ok
[INFO] [stdout] test diff::difflib::tests::remove_ch ... ok
[INFO] [stdout] test diff::difflib::tests::swap_first_characters ... ok
[INFO] [stdout] test diff::difflib::tests::add_character ... ok
[INFO] [stdout] test diff::difflib::tests::swap_characters ... ok
[INFO] [stdout] test diff::difflib::tests::update_remove ... ok
[INFO] [stdout] test diff::difflib::tests::remove_multiple_characters ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ee2cedf7d5af719565bfe4078ddf69d6f58c66509bb9689184cac0ebfb0489cf"`
[INFO] running `"docker" "rm" "-f" "ee2cedf7d5af719565bfe4078ddf69d6f58c66509bb9689184cac0ebfb0489cf"`
[INFO] [stdout] ee2cedf7d5af719565bfe4078ddf69d6f58c66509bb9689184cac0ebfb0489cf