[INFO] cloning repository https://github.com/andrewcdowning/uniqr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewcdowning/uniqr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewcdowning%2Funiqr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewcdowning%2Funiqr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fdebae04db2e746b4c278deaa42fb10bc107d648
[INFO] testing andrewcdowning/uniqr against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewcdowning%2Funiqr" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/andrewcdowning/uniqr
[INFO] finished tweaking git repo https://github.com/andrewcdowning/uniqr
[INFO] tweaked toml for git repo https://github.com/andrewcdowning/uniqr written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/andrewcdowning/uniqr on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/andrewcdowning/uniqr 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded errno v0.2.8
[INFO] [stderr]   Downloaded redox_syscall v0.2.16
[INFO] [stderr]   Downloaded termtree v0.4.1
[INFO] [stderr]   Downloaded normalize-line-endings v0.3.0
[INFO] [stderr]   Downloaded predicates v2.1.5
[INFO] [stderr]   Downloaded predicates v3.0.2
[INFO] [stderr]   Downloaded once_cell v1.17.1
[INFO] [stderr]   Downloaded tempfile v3.4.0
[INFO] [stderr]   Downloaded assert_cmd v2.0.10
[INFO] [stderr]   Downloaded anstyle v0.3.5
[INFO] [stderr]   Downloaded predicates-tree v1.0.9
[INFO] [stderr]   Downloaded serde v1.0.158
[INFO] [stderr]   Downloaded aho-corasick v0.7.20
[INFO] [stderr]   Downloaded regex v1.7.3
[INFO] [stderr]   Downloaded ansi_term v0.12.1
[INFO] [stderr]   Downloaded hermit-abi v0.1.19
[INFO] [stderr]   Downloaded float-cmp v0.9.0
[INFO] [stderr]   Downloaded predicates-core v1.0.6
[INFO] [stderr]   Downloaded clap v2.34.0
[INFO] [stderr]   Downloaded rustix v0.36.11
[INFO] [stderr]   Downloaded io-lifetimes v1.0.9
[INFO] [stderr]   Downloaded wait-timeout v0.2.0
[INFO] [stderr]   Downloaded difflib v0.4.0
[INFO] [stderr]   Downloaded bstr v1.4.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.1.4
[INFO] [stderr]   Downloaded libc v0.2.140
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bd14b07b4864f9c0e320ad4e09068ab8969331b7fdd5492d3a9b9a408b6ce24
[INFO] running `Command { std: "docker" "start" "-a" "8bd14b07b4864f9c0e320ad4e09068ab8969331b7fdd5492d3a9b9a408b6ce24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bd14b07b4864f9c0e320ad4e09068ab8969331b7fdd5492d3a9b9a408b6ce24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bd14b07b4864f9c0e320ad4e09068ab8969331b7fdd5492d3a9b9a408b6ce24", kill_on_drop: false }`
[INFO] [stdout] 8bd14b07b4864f9c0e320ad4e09068ab8969331b7fdd5492d3a9b9a408b6ce24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 08964ed36a125a6bdf2d5454cda9da781079125aacd64dacc549f7e7b0e20125
[INFO] running `Command { std: "docker" "start" "-a" "08964ed36a125a6bdf2d5454cda9da781079125aacd64dacc549f7e7b0e20125", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling uniqr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 write!(out_file, "{:>4} {}", count, text);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 write!(out_file, "{}", text);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |             print(count, &previous);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let _ = print(count, &previous);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     print(count, &previous);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let _ = print(count, &previous);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.82s
[INFO] running `Command { std: "docker" "inspect" "08964ed36a125a6bdf2d5454cda9da781079125aacd64dacc549f7e7b0e20125", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08964ed36a125a6bdf2d5454cda9da781079125aacd64dacc549f7e7b0e20125", kill_on_drop: false }`
[INFO] [stdout] 08964ed36a125a6bdf2d5454cda9da781079125aacd64dacc549f7e7b0e20125
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 32e56ecb4344337f3a989a5c1481a8bd859ee95b97b92d3eb6a8cbb2ac0da8eb
[INFO] running `Command { std: "docker" "start" "-a" "32e56ecb4344337f3a989a5c1481a8bd859ee95b97b92d3eb6a8cbb2ac0da8eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling predicates-core v1.0.6
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling rustix v0.36.11
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling termtree v0.4.1
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling anstyle v0.3.5
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling predicates-tree v1.0.9
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling bstr v1.4.0
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling predicates v3.0.2
[INFO] [stderr]    Compiling regex v1.7.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling assert_cmd v2.0.10
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling predicates v2.1.5
[INFO] [stderr]    Compiling tempfile v3.4.0
[INFO] [stderr]    Compiling uniqr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 write!(out_file, "{:>4} {}", count, text);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 write!(out_file, "{}", text);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |             print(count, &previous);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let _ = print(count, &previous);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     print(count, &previous);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let _ = print(count, &previous);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 write!(out_file, "{:>4} {}", count, text);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 write!(out_file, "{}", text);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |             print(count, &previous);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let _ = print(count, &previous);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     print(count, &previous);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let _ = print(count, &previous);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 13.65s
[INFO] running `Command { std: "docker" "inspect" "32e56ecb4344337f3a989a5c1481a8bd859ee95b97b92d3eb6a8cbb2ac0da8eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32e56ecb4344337f3a989a5c1481a8bd859ee95b97b92d3eb6a8cbb2ac0da8eb", kill_on_drop: false }`
[INFO] [stdout] 32e56ecb4344337f3a989a5c1481a8bd859ee95b97b92d3eb6a8cbb2ac0da8eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] bdaea105f311039389e2bd98a4d0c4ce547c88a6db16fed77a55a28eaa33ed2f
[INFO] running `Command { std: "docker" "start" "-a" "bdaea105f311039389e2bd98a4d0c4ce547c88a6db16fed77a55a28eaa33ed2f", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:70:17
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 write!(out_file, "{:>4} {}", count, text);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |                 write!(out_file, "{}", text);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:84:13
[INFO] [stderr]    |
[INFO] [stderr] 84 |             print(count, &previous);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 84 |             let _ = print(count, &previous);
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     print(count, &previous);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 91 |     let _ = print(count, &previous);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `uniqr` (lib) generated 4 warnings
[INFO] [stderr] warning: `uniqr` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/uniqr-c3927a12414184ec)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/uniqr-5890b55cd914d833)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running tests/cli.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/cli-e34e2502ccfc4951)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 78 tests
[INFO] [stdout] test empty ... ok
[INFO] [stdout] test empty_count ... ok
[INFO] [stdout] test one_count ... ok
[INFO] [stdout] test empty_stdin_outfile_count ... ok
[INFO] [stdout] test empty_stdin ... ok
[INFO] [stdout] test one ... ok
[INFO] [stdout] test dies_bad_file ... ok
[INFO] [stdout] test skip ... ok
[INFO] [stdout] test empty_outfile_count ... ok
[INFO] [stdout] test one_stdin_count ... ok
[INFO] [stdout] test one_stdin ... ok
[INFO] [stdout] test empty_outfile ... ok
[INFO] [stdout] test one_stdin_outfile_count ... ok
[INFO] [stdout] test skip_count ... ok
[INFO] [stdout] test one_outfile ... ok
[INFO] [stdout] test one_outfile_count ... ok
[INFO] [stdout] test t1_outfile ... ok
[INFO] [stdout] test skip_stdin_count ... ok
[INFO] [stdout] test empty_stdin_count ... ok
[INFO] [stdout] test t1_stdin_count ... ok
[INFO] [stdout] test skip_stdin ... ok
[INFO] [stdout] test t1_count ... ok
[INFO] [stdout] test t1_outfile_count ... ok
[INFO] [stdout] test skip_outfile ... ok
[INFO] [stdout] test skip_outfile_count ... ok
[INFO] [stdout] test skip_stdin_outfile_count ... ok
[INFO] [stdout] test t1_stdin ... ok
[INFO] [stdout] test t2_count ... ok
[INFO] [stdout] test t2_outfile ... ok
[INFO] [stdout] test t2 ... ok
[INFO] [stdout] test t3_stdin_outfile_count ... ok
[INFO] [stdout] test t2_stdin ... ok
[INFO] [stdout] test t2_stdin_count ... ok
[INFO] [stdout] test t2_stdin_outfile_count ... ok
[INFO] [stdout] test t3_count ... ok
[INFO] [stdout] test t3_outfile_count ... ok
[INFO] [stdout] test t3_outfile ... ok
[INFO] [stdout] test t3 ... ok
[INFO] [stdout] test t1_stdin_outfile_count ... ok
[INFO] [stdout] test t4_outfile_count ... ok
[INFO] [stdout] test t3_stdin ... ok
[INFO] [stdout] test t3_stdin_count ... ok
[INFO] [stdout] test t5 ... ok
[INFO] [stdout] test t2_outfile_count ... ok
[INFO] [stdout] test t1 ... ok
[INFO] [stdout] test t4_count ... ok
[INFO] [stdout] test t4_outfile ... ok
[INFO] [stdout] test t4 ... ok
[INFO] [stdout] test t4_stdin_count ... ok
[INFO] [stdout] test t4_stdin ... ok
[INFO] [stdout] test t6 ... ok
[INFO] [stdout] test t5_stdin_outfile_count ... ok
[INFO] [stdout] test t5_outfile_count ... ok
[INFO] [stdout] test t5_stdin ... ok
[INFO] [stdout] test t5_outfile ... ok
[INFO] [stdout] test t6_outfile_count ... ok
[INFO] [stdout] test t4_stdin_outfile_count ... ok
[INFO] [stdout] test t6_outfile ... ok
[INFO] [stdout] test t6_stdin ... ok
[INFO] [stdout] test t6_stdin_outfile_count ... ok
[INFO] [stdout] test t6_count ... ok
[INFO] [stdout] test t5_stdin_count ... ok
[INFO] [stdout] test t6_stdin_count ... ok
[INFO] [stdout] test three ... ok
[INFO] [stdout] test three_outfile_count ... ok
[INFO] [stdout] test three_count ... ok
[INFO] [stdout] test three_outfile ... ok
[INFO] [stdout] test two_outfile_count ... ok
[INFO] [stdout] test three_stdin_count ... ok
[INFO] [stdout] test two_count ... ok
[INFO] [stdout] test two_outfile ... ok
[INFO] [stdout] test three_stdin ... ok
[INFO] [stdout] test two_stdin_count ... ok
[INFO] [stdout] test two_stdin ... ok
[INFO] [stdout] test three_stdin_outfile_count ... ok
[INFO] [stdout] test two_stdin_outfile_count ... ok
[INFO] [stdout] test two ... ok
[INFO] [stdout] test t5_count ... ok
[INFO] [stderr]    Doc-tests uniqr
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 78 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bdaea105f311039389e2bd98a4d0c4ce547c88a6db16fed77a55a28eaa33ed2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdaea105f311039389e2bd98a4d0c4ce547c88a6db16fed77a55a28eaa33ed2f", kill_on_drop: false }`
[INFO] [stdout] bdaea105f311039389e2bd98a4d0c4ce547c88a6db16fed77a55a28eaa33ed2f