[INFO] cloning repository https://github.com/illianyamandu/rust-cli [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/illianyamandu/rust-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fillianyamandu%2Frust-cli", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fillianyamandu%2Frust-cli'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3fcd79afd2f154827009f16689d542f28e3129a8 [INFO] checking illianyamandu/rust-cli against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fillianyamandu%2Frust-cli" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/illianyamandu/rust-cli on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/illianyamandu/rust-cli [INFO] finished tweaking git repo https://github.com/illianyamandu/rust-cli [INFO] tweaked toml for git repo https://github.com/illianyamandu/rust-cli written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/illianyamandu/rust-cli 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] be61987c2d092e8621e8a76d78f0c0710b8e1b7508ed3642f70386d8bd2b5249 [INFO] running `Command { std: "docker" "start" "-a" "be61987c2d092e8621e8a76d78f0c0710b8e1b7508ed3642f70386d8bd2b5249", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "be61987c2d092e8621e8a76d78f0c0710b8e1b7508ed3642f70386d8bd2b5249", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be61987c2d092e8621e8a76d78f0c0710b8e1b7508ed3642f70386d8bd2b5249", kill_on_drop: false }` [INFO] [stdout] be61987c2d092e8621e8a76d78f0c0710b8e1b7508ed3642f70386d8bd2b5249 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5bcb360d3dfa043e7a62d3a76eceb5a3dcb7442457b39dcc4eae7fc5884c391e [INFO] running `Command { std: "docker" "start" "-a" "5bcb360d3dfa043e7a62d3a76eceb5a3dcb7442457b39dcc4eae7fc5884c391e", kill_on_drop: false }` [INFO] [stderr] Checking memchr v2.7.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling rustix v0.38.30 [INFO] [stderr] Compiling anyhow v1.0.79 [INFO] [stderr] Checking clap_lex v0.6.0 [INFO] [stderr] Checking bitflags v2.4.2 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking anstream v0.6.11 [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking fastrand v2.0.1 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Checking clap_builder v4.4.18 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking regex-automata v0.4.5 [INFO] [stderr] Checking tempfile v3.9.0 [INFO] [stderr] Compiling clap_derive v4.4.7 [INFO] [stderr] Checking bstr v1.9.0 [INFO] [stderr] Checking regex v1.10.3 [INFO] [stderr] Checking predicates v3.1.0 [INFO] [stderr] Checking globset v0.4.14 [INFO] [stderr] Checking assert_cmd v2.0.13 [INFO] [stderr] Checking ignore v0.4.22 [INFO] [stderr] Checking clap v4.4.18 [INFO] [stderr] Checking rust-cli v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | writeln!(writer, "{}", line); [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 `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking globwalk v0.9.1 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | io::{self, Write}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CustomError` is never constructed [INFO] [stdout] --> src/main.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | struct CustomError(String); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking assert_fs v1.1.1 [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | io::{self, Write}, [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:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | writeln!(writer, "{}", line); [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 `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] [stdout] warning: struct `CustomError` is never constructed [INFO] [stdout] --> src/main.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | struct CustomError(String); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.26s [INFO] running `Command { std: "docker" "inspect" "5bcb360d3dfa043e7a62d3a76eceb5a3dcb7442457b39dcc4eae7fc5884c391e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bcb360d3dfa043e7a62d3a76eceb5a3dcb7442457b39dcc4eae7fc5884c391e", kill_on_drop: false }` [INFO] [stdout] 5bcb360d3dfa043e7a62d3a76eceb5a3dcb7442457b39dcc4eae7fc5884c391e [INFO] checking illianyamandu/rust-cli against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fillianyamandu%2Frust-cli" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/illianyamandu/rust-cli on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/illianyamandu/rust-cli [INFO] finished tweaking git repo https://github.com/illianyamandu/rust-cli [INFO] tweaked toml for git repo https://github.com/illianyamandu/rust-cli written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/illianyamandu/rust-cli 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 00307c252863f22d1ed8dd3831f9c8d903cfe0f0c6604700930d2975ad5be2e4 [INFO] running `Command { std: "docker" "start" "-a" "00307c252863f22d1ed8dd3831f9c8d903cfe0f0c6604700930d2975ad5be2e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "00307c252863f22d1ed8dd3831f9c8d903cfe0f0c6604700930d2975ad5be2e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00307c252863f22d1ed8dd3831f9c8d903cfe0f0c6604700930d2975ad5be2e4", kill_on_drop: false }` [INFO] [stdout] 00307c252863f22d1ed8dd3831f9c8d903cfe0f0c6604700930d2975ad5be2e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 33b75eb3a0769826826c142e114e44f6ec86546e74337c2d85d341ba967cd650 [INFO] running `Command { std: "docker" "start" "-a" "33b75eb3a0769826826c142e114e44f6ec86546e74337c2d85d341ba967cd650", kill_on_drop: false }` [INFO] [stderr] Checking memchr v2.7.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling anyhow v1.0.79 [INFO] [stderr] Compiling rustix v0.38.30 [INFO] [stderr] Checking clap_lex v0.6.0 [INFO] [stderr] Checking bitflags v2.4.2 [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Checking anstream v0.6.11 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking fastrand v2.0.1 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Checking clap_builder v4.4.18 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking regex-automata v0.4.5 [INFO] [stderr] Checking tempfile v3.9.0 [INFO] [stderr] Compiling clap_derive v4.4.7 [INFO] [stderr] Checking bstr v1.9.0 [INFO] [stderr] Checking regex v1.10.3 [INFO] [stderr] Checking predicates v3.1.0 [INFO] [stderr] Checking globset v0.4.14 [INFO] [stderr] Checking assert_cmd v2.0.13 [INFO] [stderr] Checking ignore v0.4.22 [INFO] [stderr] Checking clap v4.4.18 [INFO] [stderr] Checking rust-cli v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | writeln!(writer, "{}", line); [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 `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] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | io::{self, Write}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CustomError` is never constructed [INFO] [stdout] --> src/main.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | struct CustomError(String); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking globwalk v0.9.1 [INFO] [stderr] Checking assert_fs v1.1.1 [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | io::{self, Write}, [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:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | writeln!(writer, "{}", line); [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 `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] [stdout] warning: struct `CustomError` is never constructed [INFO] [stdout] --> src/main.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | struct CustomError(String); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.44s [INFO] running `Command { std: "docker" "inspect" "33b75eb3a0769826826c142e114e44f6ec86546e74337c2d85d341ba967cd650", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33b75eb3a0769826826c142e114e44f6ec86546e74337c2d85d341ba967cd650", kill_on_drop: false }` [INFO] [stdout] 33b75eb3a0769826826c142e114e44f6ec86546e74337c2d85d341ba967cd650