[INFO] cloning repository https://github.com/michael-robbins/filemerger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michael-robbins/filemerger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichael-robbins%2Ffilemerger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichael-robbins%2Ffilemerger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1aa6583546731068df1b5e64a08ef8967fbc0d1
[INFO] testing michael-robbins/filemerger against beta-2023-04-20 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichael-robbins%2Ffilemerger" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michael-robbins/filemerger on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/michael-robbins/filemerger
[INFO] finished tweaking git repo https://github.com/michael-robbins/filemerger
[INFO] tweaked toml for git repo https://github.com/michael-robbins/filemerger written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/michael-robbins/filemerger already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb4bd8ea544037ff0ccfa41c8bf8cecf09f7a790fd5d1b7590b60eaf15ebf41a
[INFO] running `Command { std: "docker" "start" "-a" "bb4bd8ea544037ff0ccfa41c8bf8cecf09f7a790fd5d1b7590b60eaf15ebf41a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb4bd8ea544037ff0ccfa41c8bf8cecf09f7a790fd5d1b7590b60eaf15ebf41a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb4bd8ea544037ff0ccfa41c8bf8cecf09f7a790fd5d1b7590b60eaf15ebf41a", kill_on_drop: false }`
[INFO] [stdout] bb4bd8ea544037ff0ccfa41c8bf8cecf09f7a790fd5d1b7590b60eaf15ebf41a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76499a557b9029a5e03867e5963c125554c52f5b47b2dd6256524031dae1a9b3
[INFO] running `Command { std: "docker" "start" "-a" "76499a557b9029a5e03867e5963c125554c52f5b47b2dd6256524031dae1a9b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling getopts v0.2.18
[INFO] [stderr]    Compiling yaml-rust v0.4.2
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling bzip2 v0.4.4
[INFO] [stderr]    Compiling csv v0.15.0
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling file-merger v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/merge_file_manager.rs:79:18
[INFO] [stdout]    |
[INFO] [stdout] 79 |         #[derive(RustcDecodable,Debug)]
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/merge_file_manager.rs:96:32
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 let metadata = try!(fs::metadata(filename));
[INFO] [stdout]    |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/merge_file.rs:58:20
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let file = try!(File::open(filepath));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/merge_file.rs:59:24
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let filesize = try!(file.metadata()).len();
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/settings.rs:56:30
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let delimiter_char = try!(self.parse_delimiter());
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/settings.rs:57:25
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let key_index = try!(self.parse_key_index());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/settings.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let glob_choices = try!(self.parse_glob());
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/settings.rs:59:26
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let cache_path = try!(self.parse_cache_file());
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/settings.rs:68:25
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let key_start = try!(self.parse_key_generic("key-start"));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/settings.rs:69:23
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let key_end = try!(self.parse_key_generic("key-end"));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/settings.rs:71:24
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let key_type = try!(self.parse_key_type());
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/merge_file.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     lines: Lines<BufReader<Box<Read>>>,
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     lines: Lines<BufReader<Box<dyn Read>>>,
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/merge_file.rs:62:31
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let decompressor: Box<Read> = match file_ext.to_str() {
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let decompressor: Box<dyn Read> = match file_ext.to_str() {
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `beginning_merge_key` is never read
[INFO] [stdout]   --> src/merge_file_manager.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         struct CacheFileLine {
[INFO] [stdout]    |                ------------- field in this struct
[INFO] [stdout] 81 |             filename: String,
[INFO] [stdout] 82 |             beginning_merge_key: String,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CacheFileLine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/settings.rs:38:36
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Err(failure) => panic!(failure.to_string()),
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Err(failure) => panic!("{}", failure.to_string()),
[INFO] [stdout]    |                                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.39s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "76499a557b9029a5e03867e5963c125554c52f5b47b2dd6256524031dae1a9b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76499a557b9029a5e03867e5963c125554c52f5b47b2dd6256524031dae1a9b3", kill_on_drop: false }`
[INFO] [stdout] 76499a557b9029a5e03867e5963c125554c52f5b47b2dd6256524031dae1a9b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa809247205767130b774eed1cc5c752df0464c57f6dd7125dee2808c5c0b133
[INFO] running `Command { std: "docker" "start" "-a" "aa809247205767130b774eed1cc5c752df0464c57f6dd7125dee2808c5c0b133", kill_on_drop: false }`
[INFO] [stderr]    Compiling file-merger v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/merge_file_manager.rs:79:18
[INFO] [stdout]    |
[INFO] [stdout] 79 |         #[derive(RustcDecodable,Debug)]
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/merge_file_manager.rs:96:32
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 let metadata = try!(fs::metadata(filename));
[INFO] [stdout]    |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/merge_file.rs:58:20
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let file = try!(File::open(filepath));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/merge_file.rs:59:24
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let filesize = try!(file.metadata()).len();
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/settings.rs:56:30
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let delimiter_char = try!(self.parse_delimiter());
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/settings.rs:57:25
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let key_index = try!(self.parse_key_index());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/settings.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let glob_choices = try!(self.parse_glob());
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/settings.rs:59:26
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let cache_path = try!(self.parse_cache_file());
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/settings.rs:68:25
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let key_start = try!(self.parse_key_generic("key-start"));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/settings.rs:69:23
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let key_end = try!(self.parse_key_generic("key-end"));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/settings.rs:71:24
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let key_type = try!(self.parse_key_type());
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/merge_file.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 |     lines: Lines<BufReader<Box<Read>>>,
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     lines: Lines<BufReader<Box<dyn Read>>>,
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/merge_file.rs:62:31
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let decompressor: Box<Read> = match file_ext.to_str() {
[INFO] [stdout]    |                               ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let decompressor: Box<dyn Read> = match file_ext.to_str() {
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `beginning_merge_key` is never read
[INFO] [stdout]   --> src/merge_file_manager.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         struct CacheFileLine {
[INFO] [stdout]    |                ------------- field in this struct
[INFO] [stdout] 81 |             filename: String,
[INFO] [stdout] 82 |             beginning_merge_key: String,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CacheFileLine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/settings.rs:38:36
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Err(failure) => panic!(failure.to_string()),
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Err(failure) => panic!("{}", failure.to_string()),
[INFO] [stdout]    |                                    +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "aa809247205767130b774eed1cc5c752df0464c57f6dd7125dee2808c5c0b133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa809247205767130b774eed1cc5c752df0464c57f6dd7125dee2808c5c0b133", kill_on_drop: false }`
[INFO] [stdout] aa809247205767130b774eed1cc5c752df0464c57f6dd7125dee2808c5c0b133
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cf154dc40f881380886ce5d32958b8c06c866d9032f072861000bef53d15f0c0
[INFO] running `Command { std: "docker" "start" "-a" "cf154dc40f881380886ce5d32958b8c06c866d9032f072861000bef53d15f0c0", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]   --> src/merge_file_manager.rs:79:18
[INFO] [stderr]    |
[INFO] [stderr] 79 |         #[derive(RustcDecodable,Debug)]
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/merge_file_manager.rs:96:32
[INFO] [stderr]    |
[INFO] [stderr] 96 |                 let metadata = try!(fs::metadata(filename));
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/merge_file.rs:58:20
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let file = try!(File::open(filepath));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/merge_file.rs:59:24
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let filesize = try!(file.metadata()).len();
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/settings.rs:56:30
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let delimiter_char = try!(self.parse_delimiter());
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/settings.rs:57:25
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let key_index = try!(self.parse_key_index());
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/settings.rs:58:28
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let glob_choices = try!(self.parse_glob());
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/settings.rs:59:26
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let cache_path = try!(self.parse_cache_file());
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/settings.rs:68:25
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let key_start = try!(self.parse_key_generic("key-start"));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/settings.rs:69:23
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let key_end = try!(self.parse_key_generic("key-end"));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/settings.rs:71:24
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let key_type = try!(self.parse_key_type());
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/merge_file.rs:29:32
[INFO] [stderr]    |
[INFO] [stderr] 29 |     lines: Lines<BufReader<Box<Read>>>,
[INFO] [stderr]    |                                ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 29 |     lines: Lines<BufReader<Box<dyn Read>>>,
[INFO] [stderr]    |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/merge_file.rs:62:31
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let decompressor: Box<Read> = match file_ext.to_str() {
[INFO] [stderr]    |                               ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let decompressor: Box<dyn Read> = match file_ext.to_str() {
[INFO] [stderr]    |                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: field `beginning_merge_key` is never read
[INFO] [stderr]   --> src/merge_file_manager.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |         struct CacheFileLine {
[INFO] [stderr]    |                ------------- field in this struct
[INFO] [stderr] 81 |             filename: String,
[INFO] [stderr] 82 |             beginning_merge_key: String,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `CacheFileLine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/settings.rs:38:36
[INFO] [stderr]    |
[INFO] [stderr] 38 |             Err(failure) => panic!(failure.to_string()),
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]    |
[INFO] [stderr] 38 |             Err(failure) => panic!("{}", failure.to_string()),
[INFO] [stderr]    |                                    +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `file-merger` (bin "file-merger" test) generated 15 warnings (run `cargo fix --bin "file-merger" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/file_merger-5496eebe6a7ce968)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test merge_file::tests::fast_forward_to_end ... ok
[INFO] [stdout] test merge_file::tests::impl_iterator ... ok
[INFO] [stdout] test merge_file::tests::fast_forward ... ok
[INFO] [stdout] test merge_file::tests::impl_ordering_and_equality ... ok
[INFO] [stdout] test merge_file::tests::new ... ok
[INFO] [stdout] test merge_file::tests::impl_formatting ... ok
[INFO] [stdout] test merge_file_manager::tests::new_merge_file ... ok
[INFO] [stdout] test merge_file_manager::tests::cache_to_vec ... ok
[INFO] [stdout] test merge_file_manager::tests::begin_merge ... ok
[INFO] [stdout] test merge_file_manager::tests::retrieve_from_cache ... ok
[INFO] [stdout] test merge_file_manager::tests::retrieve_from_glob ... ok
[INFO] [stdout] test merge_file_manager::tests::write_cache ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cf154dc40f881380886ce5d32958b8c06c866d9032f072861000bef53d15f0c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf154dc40f881380886ce5d32958b8c06c866d9032f072861000bef53d15f0c0", kill_on_drop: false }`
[INFO] [stdout] cf154dc40f881380886ce5d32958b8c06c866d9032f072861000bef53d15f0c0
