[INFO] updating cached repository https://github.com/djhworld/zipit
[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] 52656bab98db2160e8d83c614ecf9690885b1a69
[INFO] testing djhworld/zipit against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjhworld%2Fzipit" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/djhworld/zipit on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/djhworld/zipit
[INFO] finished tweaking git repo https://github.com/djhworld/zipit
[INFO] tweaked toml for git repo https://github.com/djhworld/zipit written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/djhworld/zipit already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0388b2868207ab316c5b3cdfd2d9c13223c270fe07c26c8ffa9ced455715c6ad
[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" "0388b2868207ab316c5b3cdfd2d9c13223c270fe07c26c8ffa9ced455715c6ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0388b2868207ab316c5b3cdfd2d9c13223c270fe07c26c8ffa9ced455715c6ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0388b2868207ab316c5b3cdfd2d9c13223c270fe07c26c8ffa9ced455715c6ad", kill_on_drop: false }`
[INFO] [stdout] 0388b2868207ab316c5b3cdfd2d9c13223c270fe07c26c8ffa9ced455715c6ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--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] 372c37d1e6cf17a7543c391b36616bef833451020e35b2897b428a058edfa64c
[INFO] running `Command { std: "docker" "start" "-a" "372c37d1e6cf17a7543c391b36616bef833451020e35b2897b428a058edfa64c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling structopt v0.2.14
[INFO] [stderr]    Compiling zipit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/zipper/render.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |     writer: Box<Write>,
[INFO] [stdout]    |                 ^^^^^ help: use `dyn`: `dyn 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/zipper/render.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(writer: Box<Write>) -> JsonOuput {
[INFO] [stdout]    |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/zipper/render.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |     writer: Box<Write>,
[INFO] [stdout]    |                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/zipper/render.rs:52:28
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn new(writer: Box<Write>) -> TabbedOutput {
[INFO] [stdout]    |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/zipper/mod.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 |         left_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/zipper/mod.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 |         right_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/zipper/mod.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 |         output: Box<&mut ZipOutput>,
[INFO] [stdout]    |                          ^^^^^^^^^ help: use `dyn`: `dyn ZipOutput`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/zipper/mod.rs:20:24
[INFO] [stdout]    |
[INFO] [stdout] 20 |         left_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/zipper/mod.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |         right_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/zipper/mod.rs:22:26
[INFO] [stdout]    |
[INFO] [stdout] 22 |         output: Box<&mut ZipOutput>,
[INFO] [stdout]    |                          ^^^^^^^^^ help: use `dyn`: `dyn ZipOutput`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/zipper/mod.rs:39:24
[INFO] [stdout]    |
[INFO] [stdout] 39 |         left_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/zipper/mod.rs:40:25
[INFO] [stdout]    |
[INFO] [stdout] 40 |         right_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/zipper/mod.rs:41:26
[INFO] [stdout]    |
[INFO] [stdout] 41 |         output: Box<&mut ZipOutput>,
[INFO] [stdout]    |                          ^^^^^^^^^ help: use `dyn`: `dyn ZipOutput`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:34:65
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn open_file_as_line_reader(file: &str) -> Result<BufReader<Box<Read>>> {
[INFO] [stdout]    |                                                                 ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:37:60
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let buffer = BufReader::new(Box::new(f) as Box<Read>);
[INFO] [stdout]    |                                                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:44:56
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn open_stdin_as_line_reader() -> Result<BufReader<Box<Read>>> {
[INFO] [stdout]    |                                                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:47:61
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let buffer = BufReader::new(Box::new(stdin_lock) as Box<Read>);
[INFO] [stdout]    |                                                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:59:37
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let reader_right: BufReader<Box<Read>> = match &opt.right_file {
[INFO] [stdout]    |                                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:68:28
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let renderer: Box<&mut ZipOutput> = match opt.json {
[INFO] [stdout]    |                            ^^^^^^^^^ help: use `dyn`: `dyn ZipOutput`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:73:21
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let zipper: Box<Zipper> = match opt.cycle {
[INFO] [stdout]    |                     ^^^^^^ help: use `dyn`: `dyn Zipper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.45s
[INFO] running `Command { std: "docker" "inspect" "372c37d1e6cf17a7543c391b36616bef833451020e35b2897b428a058edfa64c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "372c37d1e6cf17a7543c391b36616bef833451020e35b2897b428a058edfa64c", kill_on_drop: false }`
[INFO] [stdout] 372c37d1e6cf17a7543c391b36616bef833451020e35b2897b428a058edfa64c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6ae0ad2a23f01b296c34440ccd843490b257ba01dc077aaa14ed0f947310eea
[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" "e6ae0ad2a23f01b296c34440ccd843490b257ba01dc077aaa14ed0f947310eea", kill_on_drop: false }`
[INFO] [stderr]    Compiling zipit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/zipper/render.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |     writer: Box<Write>,
[INFO] [stdout]    |                 ^^^^^ help: use `dyn`: `dyn 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/zipper/render.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(writer: Box<Write>) -> JsonOuput {
[INFO] [stdout]    |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/zipper/render.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |     writer: Box<Write>,
[INFO] [stdout]    |                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/zipper/render.rs:52:28
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn new(writer: Box<Write>) -> TabbedOutput {
[INFO] [stdout]    |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/zipper/mod.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 |         left_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/zipper/mod.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 |         right_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/zipper/mod.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 |         output: Box<&mut ZipOutput>,
[INFO] [stdout]    |                          ^^^^^^^^^ help: use `dyn`: `dyn ZipOutput`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/zipper/mod.rs:20:24
[INFO] [stdout]    |
[INFO] [stdout] 20 |         left_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/zipper/mod.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |         right_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/zipper/mod.rs:22:26
[INFO] [stdout]    |
[INFO] [stdout] 22 |         output: Box<&mut ZipOutput>,
[INFO] [stdout]    |                          ^^^^^^^^^ help: use `dyn`: `dyn ZipOutput`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/zipper/mod.rs:39:24
[INFO] [stdout]    |
[INFO] [stdout] 39 |         left_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/zipper/mod.rs:40:25
[INFO] [stdout]    |
[INFO] [stdout] 40 |         right_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/zipper/mod.rs:41:26
[INFO] [stdout]    |
[INFO] [stdout] 41 |         output: Box<&mut ZipOutput>,
[INFO] [stdout]    |                          ^^^^^^^^^ help: use `dyn`: `dyn ZipOutput`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:34:65
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn open_file_as_line_reader(file: &str) -> Result<BufReader<Box<Read>>> {
[INFO] [stdout]    |                                                                 ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:37:60
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let buffer = BufReader::new(Box::new(f) as Box<Read>);
[INFO] [stdout]    |                                                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:44:56
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn open_stdin_as_line_reader() -> Result<BufReader<Box<Read>>> {
[INFO] [stdout]    |                                                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:47:61
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let buffer = BufReader::new(Box::new(stdin_lock) as Box<Read>);
[INFO] [stdout]    |                                                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:59:37
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let reader_right: BufReader<Box<Read>> = match &opt.right_file {
[INFO] [stdout]    |                                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:68:28
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let renderer: Box<&mut ZipOutput> = match opt.json {
[INFO] [stdout]    |                            ^^^^^^^^^ help: use `dyn`: `dyn ZipOutput`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:73:21
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let zipper: Box<Zipper> = match opt.cycle {
[INFO] [stdout]    |                     ^^^^^^ help: use `dyn`: `dyn Zipper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "e6ae0ad2a23f01b296c34440ccd843490b257ba01dc077aaa14ed0f947310eea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6ae0ad2a23f01b296c34440ccd843490b257ba01dc077aaa14ed0f947310eea", kill_on_drop: false }`
[INFO] [stdout] e6ae0ad2a23f01b296c34440ccd843490b257ba01dc077aaa14ed0f947310eea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9ae5b02549d09b2b5e71ff51fb01e642bec5d3000dd3db2aec06f20ff49480e8
[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" "9ae5b02549d09b2b5e71ff51fb01e642bec5d3000dd3db2aec06f20ff49480e8", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/render.rs:14:17
[INFO] [stderr]    |
[INFO] [stderr] 14 |     writer: Box<Write>,
[INFO] [stderr]    |                 ^^^^^ help: use `dyn`: `dyn 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/zipper/render.rs:18:28
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(writer: Box<Write>) -> JsonOuput {
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/render.rs:48:17
[INFO] [stderr]    |
[INFO] [stderr] 48 |     writer: Box<Write>,
[INFO] [stderr]    |                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/render.rs:52:28
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn new(writer: Box<Write>) -> TabbedOutput {
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/zipper/mod.rs:9:24
[INFO] [stderr]   |
[INFO] [stderr] 9 |         left_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/mod.rs:10:25
[INFO] [stderr]    |
[INFO] [stderr] 10 |         right_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/mod.rs:11:26
[INFO] [stderr]    |
[INFO] [stderr] 11 |         output: Box<&mut ZipOutput>,
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn ZipOutput`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/mod.rs:20:24
[INFO] [stderr]    |
[INFO] [stderr] 20 |         left_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/mod.rs:21:25
[INFO] [stderr]    |
[INFO] [stderr] 21 |         right_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/mod.rs:22:26
[INFO] [stderr]    |
[INFO] [stderr] 22 |         output: Box<&mut ZipOutput>,
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn ZipOutput`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/mod.rs:39:24
[INFO] [stderr]    |
[INFO] [stderr] 39 |         left_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/mod.rs:40:25
[INFO] [stderr]    |
[INFO] [stderr] 40 |         right_iter: Box<Iterator<Item = Result<String>>>,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<String>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/zipper/mod.rs:41:26
[INFO] [stderr]    |
[INFO] [stderr] 41 |         output: Box<&mut ZipOutput>,
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn ZipOutput`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:34:65
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn open_file_as_line_reader(file: &str) -> Result<BufReader<Box<Read>>> {
[INFO] [stderr]    |                                                                 ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:37:60
[INFO] [stderr]    |
[INFO] [stderr] 37 |             let buffer = BufReader::new(Box::new(f) as Box<Read>);
[INFO] [stderr]    |                                                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:44:56
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn open_stdin_as_line_reader() -> Result<BufReader<Box<Read>>> {
[INFO] [stderr]    |                                                        ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:47:61
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let buffer = BufReader::new(Box::new(stdin_lock) as Box<Read>);
[INFO] [stderr]    |                                                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:59:37
[INFO] [stderr]    |
[INFO] [stderr] 59 |     let reader_right: BufReader<Box<Read>> = match &opt.right_file {
[INFO] [stderr]    |                                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:68:28
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let renderer: Box<&mut ZipOutput> = match opt.json {
[INFO] [stderr]    |                            ^^^^^^^^^ help: use `dyn`: `dyn ZipOutput`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:73:21
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let zipper: Box<Zipper> = match opt.cycle {
[INFO] [stderr]    |                     ^^^^^^ help: use `dyn`: `dyn Zipper`
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zipit-065480d181071e65
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test zipper::tests::should_do_nothing_with_empty_inputs ... ok
[INFO] [stdout] test zipper::tests::should_do_nothing_with_empty_inputs_cycled ... ok
[INFO] [stdout] test zipper::tests::should_zip_default ... ok
[INFO] [stdout] test zipper::tests::should_zip_cycled ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9ae5b02549d09b2b5e71ff51fb01e642bec5d3000dd3db2aec06f20ff49480e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ae5b02549d09b2b5e71ff51fb01e642bec5d3000dd3db2aec06f20ff49480e8", kill_on_drop: false }`
[INFO] [stdout] 9ae5b02549d09b2b5e71ff51fb01e642bec5d3000dd3db2aec06f20ff49480e8