[INFO] fetching crate simple_arguments 0.1.1... [INFO] testing simple_arguments-0.1.1 against 1.60.0 for beta-1.61-1 [INFO] extracting crate simple_arguments 0.1.1 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate simple_arguments 0.1.1 on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate simple_arguments 0.1.1 [INFO] finished tweaking crates.io crate simple_arguments 0.1.1 [INFO] tweaked toml for crates.io crate simple_arguments 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate crates.io crate simple_arguments 0.1.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ff446da21878c2df18413cbb38fbf874fb1f882174940ad697b75a6fdbe0c83b [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" "ff446da21878c2df18413cbb38fbf874fb1f882174940ad697b75a6fdbe0c83b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ff446da21878c2df18413cbb38fbf874fb1f882174940ad697b75a6fdbe0c83b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff446da21878c2df18413cbb38fbf874fb1f882174940ad697b75a6fdbe0c83b", kill_on_drop: false }` [INFO] [stdout] ff446da21878c2df18413cbb38fbf874fb1f882174940ad697b75a6fdbe0c83b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 37fb3732e67d0d4634f97481aa11cd2e0e91cf4af66450facdf08aea55d739db [INFO] running `Command { std: "docker" "start" "-a" "37fb3732e67d0d4634f97481aa11cd2e0e91cf4af66450facdf08aea55d739db", kill_on_drop: false }` [INFO] [stderr] Compiling simple_arguments v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/lib.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 61 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/lib.rs:98:21 [INFO] [stdout] | [INFO] [stdout] 98 | fn fill(&mut self, s: &mut dyn Iterator) -> Result<(), ArgError> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/lib.rs:114:14 [INFO] [stdout] | [INFO] [stdout] 114 | .or_else(|err| Err(ArgError::Err(format!("error parsing {}", type_name::()))))?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fl` [INFO] [stdout] --> src/lib.rs:213:29 [INFO] [stdout] | [INFO] [stdout] 213 | flags.sort_by_key(|(name, fl)| name.to_owned()); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_fl` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `max_len` [INFO] [stdout] --> src/lib.rs:215:7 [INFO] [stdout] | [INFO] [stdout] 215 | let max_len = flags.iter().fold(0, |acc, v| acc + v.0.len()); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:190:11 [INFO] [stdout] | [INFO] [stdout] 190 | for (f, mut v) in flags.into_iter() { [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/lib.rs:192:8 [INFO] [stdout] | [INFO] [stdout] 192 | let mut flag = self [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:77:5 [INFO] [stdout] | [INFO] [stdout] 77 | write!(fmt, "out of arguments"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `exec` [INFO] [stdout] --> src/bin/main.rs:17:7 [INFO] [stdout] | [INFO] [stdout] 17 | let exec = args.next().unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_exec` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.05s [INFO] running `Command { std: "docker" "inspect" "37fb3732e67d0d4634f97481aa11cd2e0e91cf4af66450facdf08aea55d739db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37fb3732e67d0d4634f97481aa11cd2e0e91cf4af66450facdf08aea55d739db", kill_on_drop: false }` [INFO] [stdout] 37fb3732e67d0d4634f97481aa11cd2e0e91cf4af66450facdf08aea55d739db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] edb04323b3ab9d084a6cda7da2bd19d662943b4120da4fb0a2f79ef71a0963a9 [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" "edb04323b3ab9d084a6cda7da2bd19d662943b4120da4fb0a2f79ef71a0963a9", kill_on_drop: false }` [INFO] [stderr] Compiling simple_arguments v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/lib.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 61 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/lib.rs:98:21 [INFO] [stdout] | [INFO] [stdout] 98 | fn fill(&mut self, s: &mut dyn Iterator) -> Result<(), ArgError> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/lib.rs:114:14 [INFO] [stdout] | [INFO] [stdout] 114 | .or_else(|err| Err(ArgError::Err(format!("error parsing {}", type_name::()))))?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fl` [INFO] [stdout] --> src/lib.rs:213:29 [INFO] [stdout] | [INFO] [stdout] 213 | flags.sort_by_key(|(name, fl)| name.to_owned()); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_fl` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `max_len` [INFO] [stdout] --> src/lib.rs:215:7 [INFO] [stdout] | [INFO] [stdout] 215 | let max_len = flags.iter().fold(0, |acc, v| acc + v.0.len()); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:190:11 [INFO] [stdout] | [INFO] [stdout] 190 | for (f, mut v) in flags.into_iter() { [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/lib.rs:192:8 [INFO] [stdout] | [INFO] [stdout] 192 | let mut flag = self [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:77:5 [INFO] [stdout] | [INFO] [stdout] 77 | write!(fmt, "out of arguments"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `exec` [INFO] [stdout] --> src/bin/main.rs:17:7 [INFO] [stdout] | [INFO] [stdout] 17 | let exec = args.next().unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_exec` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/lib.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 61 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/lib.rs:98:21 [INFO] [stdout] | [INFO] [stdout] 98 | fn fill(&mut self, s: &mut dyn Iterator) -> Result<(), ArgError> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/lib.rs:114:14 [INFO] [stdout] | [INFO] [stdout] 114 | .or_else(|err| Err(ArgError::Err(format!("error parsing {}", type_name::()))))?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `fl` [INFO] [stdout] --> src/lib.rs:213:29 [INFO] [stdout] | [INFO] [stdout] 213 | flags.sort_by_key(|(name, fl)| name.to_owned()); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_fl` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `max_len` [INFO] [stdout] --> src/lib.rs:215:7 [INFO] [stdout] | [INFO] [stdout] 215 | let max_len = flags.iter().fold(0, |acc, v| acc + v.0.len()); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:190:11 [INFO] [stdout] | [INFO] [stdout] 190 | for (f, mut v) in flags.into_iter() { [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/lib.rs:192:8 [INFO] [stdout] | [INFO] [stdout] 192 | let mut flag = self [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:77:5 [INFO] [stdout] | [INFO] [stdout] 77 | write!(fmt, "out of arguments"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.89s [INFO] running `Command { std: "docker" "inspect" "edb04323b3ab9d084a6cda7da2bd19d662943b4120da4fb0a2f79ef71a0963a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "edb04323b3ab9d084a6cda7da2bd19d662943b4120da4fb0a2f79ef71a0963a9", kill_on_drop: false }` [INFO] [stdout] edb04323b3ab9d084a6cda7da2bd19d662943b4120da4fb0a2f79ef71a0963a9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5bae52b9c48fc49c5c9ee01ebbe89e91a0951aac46fbbc319eeaa41effddf2e8 [INFO] running `Command { std: "docker" "start" "-a" "5bae52b9c48fc49c5c9ee01ebbe89e91a0951aac46fbbc319eeaa41effddf2e8", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::io::Write` [INFO] [stderr] --> src/lib.rs:61:5 [INFO] [stderr] | [INFO] [stderr] 61 | use std::io::Write; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/lib.rs:98:21 [INFO] [stderr] | [INFO] [stderr] 98 | fn fill(&mut self, s: &mut dyn Iterator) -> Result<(), ArgError> { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/lib.rs:114:14 [INFO] [stderr] | [INFO] [stderr] 114 | .or_else(|err| Err(ArgError::Err(format!("error parsing {}", type_name::()))))?; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `fl` [INFO] [stderr] --> src/lib.rs:213:29 [INFO] [stderr] | [INFO] [stderr] 213 | flags.sort_by_key(|(name, fl)| name.to_owned()); [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_fl` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `max_len` [INFO] [stderr] --> src/lib.rs:215:7 [INFO] [stderr] | [INFO] [stderr] 215 | let max_len = flags.iter().fold(0, |acc, v| acc + v.0.len()); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_len` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:190:11 [INFO] [stderr] | [INFO] [stderr] 190 | for (f, mut v) in flags.into_iter() { [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/lib.rs:192:8 [INFO] [stderr] | [INFO] [stderr] 192 | let mut flag = self [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/lib.rs:77:5 [INFO] [stderr] | [INFO] [stderr] 77 | write!(fmt, "out of arguments"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [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: `simple_arguments` (lib) generated 8 warnings [INFO] [stderr] warning: `simple_arguments` (lib test) generated 8 warnings (8 duplicates) [INFO] [stderr] warning: unused variable: `exec` [INFO] [stderr] --> src/bin/main.rs:17:7 [INFO] [stderr] | [INFO] [stderr] 17 | let exec = args.next().unwrap(); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_exec` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `simple_arguments` (bin "main" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/simple_arguments-5fa6ddda0930eb5f) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/main-ab09e1ac16c9b161) [INFO] [stdout] test simple_test ... ok [INFO] [stdout] test free_args_test ... ok [INFO] [stdout] test _test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests simple_arguments [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] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 5) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.95s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5bae52b9c48fc49c5c9ee01ebbe89e91a0951aac46fbbc319eeaa41effddf2e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bae52b9c48fc49c5c9ee01ebbe89e91a0951aac46fbbc319eeaa41effddf2e8", kill_on_drop: false }` [INFO] [stdout] 5bae52b9c48fc49c5c9ee01ebbe89e91a0951aac46fbbc319eeaa41effddf2e8