[INFO] cloning repository https://github.com/limeyteam/nit-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/limeyteam/nit-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flimeyteam%2Fnit-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flimeyteam%2Fnit-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eebf267089dca7558c8672ed2f891579c0543885
[INFO] testing limeyteam/nit-rs against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flimeyteam%2Fnit-rs" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/limeyteam/nit-rs on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/limeyteam/nit-rs
[INFO] finished tweaking git repo https://github.com/limeyteam/nit-rs
[INFO] tweaked toml for git repo https://github.com/limeyteam/nit-rs written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/limeyteam/nit-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1c4163f846290163c377fab2e29c433b14ca8cf1418abf24c5fcac936bb91df
[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" "a1c4163f846290163c377fab2e29c433b14ca8cf1418abf24c5fcac936bb91df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1c4163f846290163c377fab2e29c433b14ca8cf1418abf24c5fcac936bb91df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1c4163f846290163c377fab2e29c433b14ca8cf1418abf24c5fcac936bb91df", kill_on_drop: false }`
[INFO] [stdout] a1c4163f846290163c377fab2e29c433b14ca8cf1418abf24c5fcac936bb91df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2166e4d0bbca25f31ff57a83e8cb846e12ba2c2036b1fd9fc368f1ef5024287
[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" "f2166e4d0bbca25f31ff57a83e8cb846e12ba2c2036b1fd9fc368f1ef5024287", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling nit-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Stdio`
[INFO] [stdout]  --> src/nitc.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::process::{Command, Stdio};
[INFO] [stdout]   |                             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `BufWriter`
[INFO] [stdout]  --> src/nitc.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufRead,BufReader, BufWriter};
[INFO] [stdout]   |               ^^^^^^^ ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/configure.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/configure.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `toml::Value`
[INFO] [stdout]  --> src/configure.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use toml::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/nitc.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         _ => {
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `vec` is never read
[INFO] [stdout]   --> src/main.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut vec = Vec::with_capacity(2);
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `up`
[INFO] [stdout]   --> src/nitc.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let up = String::from_utf8_lossy(&child.stdout);
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_up`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/nitc.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut pwd =
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/nitc.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let mut fullpath = format!("{}\\7z.exe", &directory);
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/nitc.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut child =
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.88s
[INFO] running `Command { std: "docker" "inspect" "f2166e4d0bbca25f31ff57a83e8cb846e12ba2c2036b1fd9fc368f1ef5024287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2166e4d0bbca25f31ff57a83e8cb846e12ba2c2036b1fd9fc368f1ef5024287", kill_on_drop: false }`
[INFO] [stdout] f2166e4d0bbca25f31ff57a83e8cb846e12ba2c2036b1fd9fc368f1ef5024287
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7eebeb937ffbab491402469799fb9d555c79b6d5bab2c4bf0b8f2379532cfdb
[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" "a7eebeb937ffbab491402469799fb9d555c79b6d5bab2c4bf0b8f2379532cfdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling nit-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Stdio`
[INFO] [stdout]  --> src/nitc.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::process::{Command, Stdio};
[INFO] [stdout]   |                             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `BufWriter`
[INFO] [stdout]  --> src/nitc.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufRead,BufReader, BufWriter};
[INFO] [stdout]   |               ^^^^^^^ ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/configure.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/configure.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `toml::Value`
[INFO] [stdout]  --> src/configure.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use toml::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/nitc.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         _ => {
[INFO] [stdout]    |         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `vec` is never read
[INFO] [stdout]   --> src/main.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut vec = Vec::with_capacity(2);
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `up`
[INFO] [stdout]   --> src/nitc.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let up = String::from_utf8_lossy(&child.stdout);
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_up`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/nitc.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut pwd =
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/nitc.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let mut fullpath = format!("{}\\7z.exe", &directory);
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/nitc.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut child =
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "a7eebeb937ffbab491402469799fb9d555c79b6d5bab2c4bf0b8f2379532cfdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7eebeb937ffbab491402469799fb9d555c79b6d5bab2c4bf0b8f2379532cfdb", kill_on_drop: false }`
[INFO] [stdout] a7eebeb937ffbab491402469799fb9d555c79b6d5bab2c4bf0b8f2379532cfdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 695c5b838fab3562b409f36f560bb1b9a411da8260ccb127a8945424ba3514bf
[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" "695c5b838fab3562b409f36f560bb1b9a411da8260ccb127a8945424ba3514bf", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Stdio`
[INFO] [stderr]  --> src/nitc.rs:2:29
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::process::{Command, Stdio};
[INFO] [stderr]   |                             ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`, `BufWriter`
[INFO] [stderr]  --> src/nitc.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{BufRead,BufReader, BufWriter};
[INFO] [stderr]   |               ^^^^^^^ ^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/configure.rs:1:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 1 | use std::env;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/configure.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `toml::Value`
[INFO] [stderr]  --> src/configure.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use toml::Value;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/nitc.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         _ => {
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `vec` is never read
[INFO] [stderr]   --> src/main.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut vec = Vec::with_capacity(2);
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `up`
[INFO] [stderr]   --> src/nitc.rs:92:13
[INFO] [stderr]    |
[INFO] [stderr] 92 |         let up = String::from_utf8_lossy(&child.stdout);
[INFO] [stderr]    |             ^^ help: if this is intentional, prefix it with an underscore: `_up`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/nitc.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let mut pwd =
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/nitc.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let mut fullpath = format!("{}\\7z.exe", &directory);
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/nitc.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |         let mut child =
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `nit-rs` (bin "nit-rs" test) generated 12 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nit_rs-810ff34b65e96116)
[INFO] running `Command { std: "docker" "inspect" "695c5b838fab3562b409f36f560bb1b9a411da8260ccb127a8945424ba3514bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "695c5b838fab3562b409f36f560bb1b9a411da8260ccb127a8945424ba3514bf", kill_on_drop: false }`
[INFO] [stdout] 695c5b838fab3562b409f36f560bb1b9a411da8260ccb127a8945424ba3514bf