[INFO] updating cached repository https://github.com/tigranmt/Diff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c41faf6455ec5b788adfe341c98cec00d9cf2712
[INFO] testing tigranmt/Diff against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftigranmt%2FDiff" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tigranmt/Diff on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/tigranmt/Diff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea6127d7c9c2fb0b1805532b88fe02c495c9302b8889e26e5efa00cb6b220d81
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ea6127d7c9c2fb0b1805532b88fe02c495c9302b8889e26e5efa00cb6b220d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea6127d7c9c2fb0b1805532b88fe02c495c9302b8889e26e5efa00cb6b220d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea6127d7c9c2fb0b1805532b88fe02c495c9302b8889e26e5efa00cb6b220d81", kill_on_drop: false }`
[INFO] [stdout] ea6127d7c9c2fb0b1805532b88fe02c495c9302b8889e26e5efa00cb6b220d81
[INFO] running `Command { std: "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d97075ad58b2cdeed69cea63109a14de8121aeed9b6fcd9c2cb423de58e8b1fa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d97075ad58b2cdeed69cea63109a14de8121aeed9b6fcd9c2cb423de58e8b1fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling diff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/diff/presenter.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |     writer : Box<std::io::Write>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/diff/presenter.rs:17:26
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new (_w : Box<std::io::Write>) -> DiffPresenter        
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "d97075ad58b2cdeed69cea63109a14de8121aeed9b6fcd9c2cb423de58e8b1fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d97075ad58b2cdeed69cea63109a14de8121aeed9b6fcd9c2cb423de58e8b1fa", kill_on_drop: false }`
[INFO] [stdout] d97075ad58b2cdeed69cea63109a14de8121aeed9b6fcd9c2cb423de58e8b1fa
[INFO] running `Command { std: "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3cefa32929948c5702728054f33961b03a10b239f0cc756f5d006b26de1ad04a
[INFO] running `Command { std: "docker" "start" "-a" "3cefa32929948c5702728054f33961b03a10b239f0cc756f5d006b26de1ad04a", kill_on_drop: false }`
[INFO] [stderr]    Compiling diff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/diff/presenter.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |     writer : Box<std::io::Write>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/diff/presenter.rs:17:26
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new (_w : Box<std::io::Write>) -> DiffPresenter        
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3cefa32929948c5702728054f33961b03a10b239f0cc756f5d006b26de1ad04a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cefa32929948c5702728054f33961b03a10b239f0cc756f5d006b26de1ad04a", kill_on_drop: false }`
[INFO] [stdout] 3cefa32929948c5702728054f33961b03a10b239f0cc756f5d006b26de1ad04a
[INFO] running `Command { std: "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 13d5462b2c9f3022464d62d6d93da44246dde55b9b3191eaab20f039e6c41037
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "13d5462b2c9f3022464d62d6d93da44246dde55b9b3191eaab20f039e6c41037", kill_on_drop: false }`
[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] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/diff-a967bd2d44deaa4f
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[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::remove_multiple_characters ... ok
[INFO] [stdout] test diff::difflib::tests::add_character ... ok
[INFO] [stdout] test diff::difflib::tests::update_add ... ok
[INFO] [stdout] test diff::difflib::tests::equal_strings ... 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::swap_first_characters ... ok
[INFO] [stdout] test diff::difflib::tests::add_to_empty ... ok
[INFO] [stdout] test diff::difflib::tests::update_arm ... ok
[INFO] [stdout] test diff::difflib::tests::empty_strings ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "13d5462b2c9f3022464d62d6d93da44246dde55b9b3191eaab20f039e6c41037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13d5462b2c9f3022464d62d6d93da44246dde55b9b3191eaab20f039e6c41037", kill_on_drop: false }`
[INFO] [stdout] 13d5462b2c9f3022464d62d6d93da44246dde55b9b3191eaab20f039e6c41037