[INFO] fetching crate text-minimap 0.1.0...
[INFO] testing text-minimap-0.1.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate text-minimap 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate text-minimap 0.1.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate text-minimap 0.1.0
[INFO] finished tweaking crates.io crate text-minimap 0.1.0
[INFO] tweaked toml for crates.io crate text-minimap 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 950dbb6ceecfebc6228f19efd376c70d5fed400e4b31cdd22476cd75f0b04a54
[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" "950dbb6ceecfebc6228f19efd376c70d5fed400e4b31cdd22476cd75f0b04a54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "950dbb6ceecfebc6228f19efd376c70d5fed400e4b31cdd22476cd75f0b04a54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "950dbb6ceecfebc6228f19efd376c70d5fed400e4b31cdd22476cd75f0b04a54", kill_on_drop: false }`
[INFO] [stdout] 950dbb6ceecfebc6228f19efd376c70d5fed400e4b31cdd22476cd75f0b04a54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8785577ef0d842027ebf7be3d6614f531457945d518b7ad771e384e7b8cb7fb5
[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" "8785577ef0d842027ebf7be3d6614f531457945d518b7ad771e384e7b8cb7fb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling text-minimap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> lib/mod.rs:95:64
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn to_minimap<'a, R>(reader: R, settings: Settings) -> Box<Iterator<Item = String> + 'a>
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = String> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> lib/mod.rs:167:58
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 debug_assert_eq!(ch, byte_to_braillechar((bin2 * 16 + bin1)));
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib/mod.rs:178:66
[INFO] [stdout]     |
[INFO] [stdout] 178 | fn to_minimap_stars<'a, R>(reader: R, settings: Settings) -> Box<Iterator<Item = String> + 'a>
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = String> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib/mod.rs:194:34
[INFO] [stdout]     |
[INFO] [stdout] 194 |                           -> Box<Iterator<Item = Vec<bool>> + 'a>
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Vec<bool>> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> lib/mod.rs:130:29
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 for (row_i, mut line_iter) in line_iters.iter_mut().enumerate() {
[INFO] [stdout]     |                             ----^^^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin.rs:52:20
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let input: Box<io::Read> = if let Some(in_path) = arguments.value_of("FILE") {
[INFO] [stdout]    |                    ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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/bin.rs:62:25
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut output: Box<io::Write> = if let Some(out_path) = arguments.value_of("OUT_FILE") {
[INFO] [stdout]    |                         ^^^^^^^^^ help: use `dyn`: `dyn 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 19.69s
[INFO] running `Command { std: "docker" "inspect" "8785577ef0d842027ebf7be3d6614f531457945d518b7ad771e384e7b8cb7fb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8785577ef0d842027ebf7be3d6614f531457945d518b7ad771e384e7b8cb7fb5", kill_on_drop: false }`
[INFO] [stdout] 8785577ef0d842027ebf7be3d6614f531457945d518b7ad771e384e7b8cb7fb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f4ca68deee0b84c26d6c64d301a30f7d635c22f2444ad523c8f2482e876bc76
[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" "2f4ca68deee0b84c26d6c64d301a30f7d635c22f2444ad523c8f2482e876bc76", kill_on_drop: false }`
[INFO] [stderr]    Compiling text-minimap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> lib/mod.rs:95:64
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn to_minimap<'a, R>(reader: R, settings: Settings) -> Box<Iterator<Item = String> + 'a>
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = String> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> lib/mod.rs:167:58
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 debug_assert_eq!(ch, byte_to_braillechar((bin2 * 16 + bin1)));
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib/mod.rs:178:66
[INFO] [stdout]     |
[INFO] [stdout] 178 | fn to_minimap_stars<'a, R>(reader: R, settings: Settings) -> Box<Iterator<Item = String> + 'a>
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = String> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib/mod.rs:194:34
[INFO] [stdout]     |
[INFO] [stdout] 194 |                           -> Box<Iterator<Item = Vec<bool>> + 'a>
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Vec<bool>> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> lib/mod.rs:130:29
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 for (row_i, mut line_iter) in line_iters.iter_mut().enumerate() {
[INFO] [stdout]     |                             ----^^^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> lib/mod.rs:95:64
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn to_minimap<'a, R>(reader: R, settings: Settings) -> Box<Iterator<Item = String> + 'a>
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = String> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> lib/mod.rs:167:58
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 debug_assert_eq!(ch, byte_to_braillechar((bin2 * 16 + bin1)));
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib/mod.rs:178:66
[INFO] [stdout]     |
[INFO] [stdout] 178 | fn to_minimap_stars<'a, R>(reader: R, settings: Settings) -> Box<Iterator<Item = String> + 'a>
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = String> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> lib/mod.rs:194:34
[INFO] [stdout]     |
[INFO] [stdout] 194 |                           -> Box<Iterator<Item = Vec<bool>> + 'a>
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Vec<bool>> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin.rs:52:20
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let input: Box<io::Read> = if let Some(in_path) = arguments.value_of("FILE") {
[INFO] [stdout]    |                    ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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/bin.rs:62:25
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut output: Box<io::Write> = if let Some(out_path) = arguments.value_of("OUT_FILE") {
[INFO] [stdout]    |                         ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> lib/mod.rs:130:29
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 for (row_i, mut line_iter) in line_iters.iter_mut().enumerate() {
[INFO] [stdout]     |                             ----^^^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "2f4ca68deee0b84c26d6c64d301a30f7d635c22f2444ad523c8f2482e876bc76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f4ca68deee0b84c26d6c64d301a30f7d635c22f2444ad523c8f2482e876bc76", kill_on_drop: false }`
[INFO] [stdout] 2f4ca68deee0b84c26d6c64d301a30f7d635c22f2444ad523c8f2482e876bc76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 723957a4ea599530ca2d4ee0a23116d1d1fb90e1d7bc49ecc7a2d3408d4cdadc
[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" "723957a4ea599530ca2d4ee0a23116d1d1fb90e1d7bc49ecc7a2d3408d4cdadc", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib/mod.rs:95:64
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub fn to_minimap<'a, R>(reader: R, settings: Settings) -> Box<Iterator<Item = String> + 'a>
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = String> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> lib/mod.rs:167:58
[INFO] [stderr]     |
[INFO] [stderr] 167 |                 debug_assert_eq!(ch, byte_to_braillechar((bin2 * 16 + bin1)));
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> lib/mod.rs:178:66
[INFO] [stderr]     |
[INFO] [stderr] 178 | fn to_minimap_stars<'a, R>(reader: R, settings: Settings) -> Box<Iterator<Item = String> + 'a>
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = String> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> lib/mod.rs:194:34
[INFO] [stderr]     |
[INFO] [stderr] 194 |                           -> Box<Iterator<Item = Vec<bool>> + 'a>
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Vec<bool>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> lib/mod.rs:130:29
[INFO] [stderr]     |
[INFO] [stderr] 130 |                 for (row_i, mut line_iter) in line_iters.iter_mut().enumerate() {
[INFO] [stderr]     |                             ----^^^^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib/mod.rs:95:64
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub fn to_minimap<'a, R>(reader: R, settings: Settings) -> Box<Iterator<Item = String> + 'a>
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = String> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> lib/mod.rs:167:58
[INFO] [stderr]     |
[INFO] [stderr] 167 |                 debug_assert_eq!(ch, byte_to_braillechar((bin2 * 16 + bin1)));
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> lib/mod.rs:178:66
[INFO] [stderr]     |
[INFO] [stderr] 178 | fn to_minimap_stars<'a, R>(reader: R, settings: Settings) -> Box<Iterator<Item = String> + 'a>
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = String> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> lib/mod.rs:194:34
[INFO] [stderr]     |
[INFO] [stderr] 194 |                           -> Box<Iterator<Item = Vec<bool>> + 'a>
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Vec<bool>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> lib/mod.rs:130:29
[INFO] [stderr]     |
[INFO] [stderr] 130 |                 for (row_i, mut line_iter) in line_iters.iter_mut().enumerate() {
[INFO] [stderr]     |                             ----^^^^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin.rs:52:20
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let input: Box<io::Read> = if let Some(in_path) = arguments.value_of("FILE") {
[INFO] [stderr]    |                    ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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/bin.rs:62:25
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let mut output: Box<io::Write> = if let Some(out_path) = arguments.value_of("OUT_FILE") {
[INFO] [stderr]    |                         ^^^^^^^^^ help: use `dyn`: `dyn 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/text_minimap-8142a9f720e7312d
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/text_minimap-7acd73c73fc10576
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests text_minimap
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> /opt/rustwide/workdir/lib/mod.rs:167:58
[INFO] [stderr]     |
[INFO] [stderr] 167 |                 debug_assert_eq!(ch, byte_to_braillechar((bin2 * 16 + bin1)));
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "723957a4ea599530ca2d4ee0a23116d1d1fb90e1d7bc49ecc7a2d3408d4cdadc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "723957a4ea599530ca2d4ee0a23116d1d1fb90e1d7bc49ecc7a2d3408d4cdadc", kill_on_drop: false }`
[INFO] [stdout] 723957a4ea599530ca2d4ee0a23116d1d1fb90e1d7bc49ecc7a2d3408d4cdadc