[INFO] fetching crate cargo-update-installed 0.1.2... [INFO] testing cargo-update-installed-0.1.2 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate cargo-update-installed 0.1.2 into /workspace/builds/worker-17/source [INFO] validating manifest of crates.io crate cargo-update-installed 0.1.2 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate cargo-update-installed 0.1.2 [INFO] finished tweaking crates.io crate cargo-update-installed 0.1.2 [INFO] tweaked toml for crates.io crate cargo-update-installed 0.1.2 written to /workspace/builds/worker-17/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 27fb7cd497ef83db8d7cd0cdf6cd2ba9d2391766d46f5dfc900c1e2a0c940094 [INFO] running `Command { std: "docker" "start" "-a" "27fb7cd497ef83db8d7cd0cdf6cd2ba9d2391766d46f5dfc900c1e2a0c940094", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "27fb7cd497ef83db8d7cd0cdf6cd2ba9d2391766d46f5dfc900c1e2a0c940094", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27fb7cd497ef83db8d7cd0cdf6cd2ba9d2391766d46f5dfc900c1e2a0c940094", kill_on_drop: false }` [INFO] [stdout] 27fb7cd497ef83db8d7cd0cdf6cd2ba9d2391766d46f5dfc900c1e2a0c940094 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 36c1488a054d070c1aaacc8741948d986985a5368a7a22929c4d756d10814179 [INFO] running `Command { std: "docker" "start" "-a" "36c1488a054d070c1aaacc8741948d986985a5368a7a22929c4d756d10814179", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling cargo-update-installed v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `fs` is imported redundantly [INFO] [stdout] --> src/lib.rs:97:13 [INFO] [stdout] | [INFO] [stdout] 40 | use std::fs; [INFO] [stdout] | ------- the item `fs` is already imported here [INFO] [stdout] ... [INFO] [stdout] 97 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:132:17 [INFO] [stdout] | [INFO] [stdout] 132 | ... writeln!(stderr(), "Warning: package {} is present multiple times in dummy Cargo.lock. Choosing version {}.", crate_name, version); [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 `writeln` (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:213:17 [INFO] [stdout] | [INFO] [stdout] 213 | / writeln!( [INFO] [stdout] 214 | | stderr(), [INFO] [stdout] 215 | | "Warning: Git binaries are not supported. Ignoring `{}`.", [INFO] [stdout] 216 | | name [INFO] [stdout] 217 | | ); [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 `writeln` (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:221:17 [INFO] [stdout] | [INFO] [stdout] 221 | / writeln!( [INFO] [stdout] 222 | | stderr(), [INFO] [stdout] 223 | | "Warning: Local binaries are not supported. Ignoring `{}`.", [INFO] [stdout] 224 | | name [INFO] [stdout] 225 | | ); [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 `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | writeln!(stderr(), "Error: {}", err); [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 `writeln` (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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.48s [INFO] running `Command { std: "docker" "inspect" "36c1488a054d070c1aaacc8741948d986985a5368a7a22929c4d756d10814179", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36c1488a054d070c1aaacc8741948d986985a5368a7a22929c4d756d10814179", kill_on_drop: false }` [INFO] [stdout] 36c1488a054d070c1aaacc8741948d986985a5368a7a22929c4d756d10814179 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4685809d759590ebed881796878ba5e0ea4d7bcb530c0e342a53cc91a9fad6a6 [INFO] running `Command { std: "docker" "start" "-a" "4685809d759590ebed881796878ba5e0ea4d7bcb530c0e342a53cc91a9fad6a6", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling cargo-update-installed v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `fs` is imported redundantly [INFO] [stdout] --> src/lib.rs:97:13 [INFO] [stdout] | [INFO] [stdout] 40 | use std::fs; [INFO] [stdout] | ------- the item `fs` is already imported here [INFO] [stdout] ... [INFO] [stdout] 97 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:132:17 [INFO] [stdout] | [INFO] [stdout] 132 | ... writeln!(stderr(), "Warning: package {} is present multiple times in dummy Cargo.lock. Choosing version {}.", crate_name, version); [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 `writeln` (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:213:17 [INFO] [stdout] | [INFO] [stdout] 213 | / writeln!( [INFO] [stdout] 214 | | stderr(), [INFO] [stdout] 215 | | "Warning: Git binaries are not supported. Ignoring `{}`.", [INFO] [stdout] 216 | | name [INFO] [stdout] 217 | | ); [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 `writeln` (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:221:17 [INFO] [stdout] | [INFO] [stdout] 221 | / writeln!( [INFO] [stdout] 222 | | stderr(), [INFO] [stdout] 223 | | "Warning: Local binaries are not supported. Ignoring `{}`.", [INFO] [stdout] 224 | | name [INFO] [stdout] 225 | | ); [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 `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fs` is imported redundantly [INFO] [stdout] --> src/lib.rs:97:13 [INFO] [stdout] | [INFO] [stdout] 40 | use std::fs; [INFO] [stdout] | ------- the item `fs` is already imported here [INFO] [stdout] ... [INFO] [stdout] 97 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | writeln!(stderr(), "Error: {}", err); [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 `writeln` (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:132:17 [INFO] [stdout] | [INFO] [stdout] 132 | ... writeln!(stderr(), "Warning: package {} is present multiple times in dummy Cargo.lock. Choosing version {}.", crate_name, version); [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 `writeln` (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:213:17 [INFO] [stdout] | [INFO] [stdout] 213 | / writeln!( [INFO] [stdout] 214 | | stderr(), [INFO] [stdout] 215 | | "Warning: Git binaries are not supported. Ignoring `{}`.", [INFO] [stdout] 216 | | name [INFO] [stdout] 217 | | ); [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 `writeln` (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:221:17 [INFO] [stdout] | [INFO] [stdout] 221 | / writeln!( [INFO] [stdout] 222 | | stderr(), [INFO] [stdout] 223 | | "Warning: Local binaries are not supported. Ignoring `{}`.", [INFO] [stdout] 224 | | name [INFO] [stdout] 225 | | ); [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 `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.39s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/cargo_update_installed-37dfe6563921a468) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/cargo_update_installed-9f07d10a72c790d8) [INFO] running `Command { std: "docker" "inspect" "4685809d759590ebed881796878ba5e0ea4d7bcb530c0e342a53cc91a9fad6a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4685809d759590ebed881796878ba5e0ea4d7bcb530c0e342a53cc91a9fad6a6", kill_on_drop: false }` [INFO] [stdout] 4685809d759590ebed881796878ba5e0ea4d7bcb530c0e342a53cc91a9fad6a6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2671b1a6dcfe130a0b24133f7004bbb1d1b31d315d2edce1f1da649eec6eec5d [INFO] running `Command { std: "docker" "start" "-a" "2671b1a6dcfe130a0b24133f7004bbb1d1b31d315d2edce1f1da649eec6eec5d", kill_on_drop: false }` [INFO] [stderr] warning: the item `fs` is imported redundantly [INFO] [stdout] [INFO] [stderr] --> src/lib.rs:97:13 [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 40 | use std::fs; [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | ------- the item `fs` is already imported here [INFO] [stdout] [INFO] [stderr] ... [INFO] [stdout] [INFO] [stderr] 97 | use std::fs; [INFO] [stdout] running 0 tests [INFO] [stderr] | ^^^^^^^ [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] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/lib.rs:132:17 [INFO] [stderr] | [INFO] [stderr] 132 | ... writeln!(stderr(), "Warning: package {} is present multiple times in dummy Cargo.lock. Choosing version {}.", crate_name, version); [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 `writeln` (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:213:17 [INFO] [stderr] | [INFO] [stderr] 213 | / writeln!( [INFO] [stderr] 214 | | stderr(), [INFO] [stderr] 215 | | "Warning: Git binaries are not supported. Ignoring `{}`.", [INFO] [stderr] 216 | | name [INFO] [stderr] 217 | | ); [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 `writeln` (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:221:17 [INFO] [stderr] | [INFO] [stderr] 221 | / writeln!( [INFO] [stderr] 222 | | stderr(), [INFO] [stderr] 223 | | "Warning: Local binaries are not supported. Ignoring `{}`.", [INFO] [stderr] 224 | | name [INFO] [stderr] 225 | | ); [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 `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `cargo-update-installed` (lib) generated 4 warnings [INFO] [stderr] warning: `cargo-update-installed` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:11:13 [INFO] [stderr] | [INFO] [stderr] 11 | writeln!(stderr(), "Error: {}", err); [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 `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `cargo-update-installed` (bin "cargo-update-installed" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cargo_update_installed-37dfe6563921a468) [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cargo_update_installed-9f07d10a72c790d8) [INFO] [stderr] Doc-tests cargo-update-installed [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" "2671b1a6dcfe130a0b24133f7004bbb1d1b31d315d2edce1f1da649eec6eec5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2671b1a6dcfe130a0b24133f7004bbb1d1b31d315d2edce1f1da649eec6eec5d", kill_on_drop: false }` [INFO] [stdout] 2671b1a6dcfe130a0b24133f7004bbb1d1b31d315d2edce1f1da649eec6eec5d