[INFO] updating cached repository https://github.com/tigranmt/Diff
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c41faf6455ec5b788adfe341c98cec00d9cf2712
[INFO] testing tigranmt/Diff against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftigranmt%2FDiff" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tigranmt/Diff on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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 /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/tigranmt/Diff already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4949ac2fc4850b6088c6f5c188d7818c0d7de6580ce32330e3a416793e962ebc
[INFO] running `"docker" "start" "-a" "4949ac2fc4850b6088c6f5c188d7818c0d7de6580ce32330e3a416793e962ebc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `"docker" "inspect" "4949ac2fc4850b6088c6f5c188d7818c0d7de6580ce32330e3a416793e962ebc"`
[INFO] running `"docker" "rm" "-f" "4949ac2fc4850b6088c6f5c188d7818c0d7de6580ce32330e3a416793e962ebc"`
[INFO] [stdout] 4949ac2fc4850b6088c6f5c188d7818c0d7de6580ce32330e3a416793e962ebc
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8aaddc34e786e3ddfa367b9df78aeae0d3c547d3abf284a79f030f9019004e0c
[INFO] running `"docker" "start" "-a" "8aaddc34e786e3ddfa367b9df78aeae0d3c547d3abf284a79f030f9019004e0c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `"docker" "inspect" "8aaddc34e786e3ddfa367b9df78aeae0d3c547d3abf284a79f030f9019004e0c"`
[INFO] running `"docker" "rm" "-f" "8aaddc34e786e3ddfa367b9df78aeae0d3c547d3abf284a79f030f9019004e0c"`
[INFO] [stdout] 8aaddc34e786e3ddfa367b9df78aeae0d3c547d3abf284a79f030f9019004e0c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] 50f05fdfec616d54ec73cafd7e38887a99c08da0c6aa5031538c3393f3aedcaf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "50f05fdfec616d54ec73cafd7e38887a99c08da0c6aa5031538c3393f3aedcaf"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.26s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/diff-f4f3144982f5a5d7
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test diff::difflib::tests::equal_strings ... ok
[INFO] [stdout] test diff::difflib::tests::swap_first_characters ... ok
[INFO] [stdout] test diff::difflib::tests::empty_strings ... ok
[INFO] [stdout] test diff::difflib::tests::add_character ... 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::remove_multiple_characters ... ok
[INFO] [stdout] test diff::difflib::tests::swap_characters ... ok
[INFO] [stdout] test diff::difflib::tests::update_arm ... ok
[INFO] [stdout] test diff::difflib::tests::update_remove ... ok
[INFO] [stdout] test diff::difflib::tests::update_add ... 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" "50f05fdfec616d54ec73cafd7e38887a99c08da0c6aa5031538c3393f3aedcaf"`
[INFO] running `"docker" "rm" "-f" "50f05fdfec616d54ec73cafd7e38887a99c08da0c6aa5031538c3393f3aedcaf"`
[INFO] [stdout] 50f05fdfec616d54ec73cafd7e38887a99c08da0c6aa5031538c3393f3aedcaf