[INFO] cloning repository https://github.com/yawqi/apue_homework [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yawqi/apue_homework" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyawqi%2Fapue_homework", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyawqi%2Fapue_homework'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2745ab81990ea57ca1dac9fb3673881f9e12a569 [INFO] testing yawqi/apue_homework against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyawqi%2Fapue_homework" "/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/yawqi/apue_homework [INFO] finished tweaking git repo https://github.com/yawqi/apue_homework [INFO] tweaked toml for git repo https://github.com/yawqi/apue_homework written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/yawqi/apue_homework 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/yawqi/apue_homework 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] 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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 55ca65bef1c7206fbd45d00f20d84e5e4cc269e4ee915ed70a21bec677fb61d3 [INFO] running `Command { std: "docker" "start" "-a" "55ca65bef1c7206fbd45d00f20d84e5e4cc269e4ee915ed70a21bec677fb61d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "55ca65bef1c7206fbd45d00f20d84e5e4cc269e4ee915ed70a21bec677fb61d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55ca65bef1c7206fbd45d00f20d84e5e4cc269e4ee915ed70a21bec677fb61d3", kill_on_drop: false }` [INFO] [stdout] 55ca65bef1c7206fbd45d00f20d84e5e4cc269e4ee915ed70a21bec677fb61d3 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] e14f61b386dff64676ca255e252ff6ea37a8607e5686f64281aea9108e2b51d6 [INFO] running `Command { std: "docker" "start" "-a" "e14f61b386dff64676ca255e252ff6ea37a8607e5686f64281aea9108e2b51d6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling bitflags v2.4.2 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling nix v0.27.1 [INFO] [stderr] Compiling apue_homework v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `O_TRUNC` [INFO] [stdout] --> src/bin/chap3-06.rs:2:73 [INFO] [stdout] | [INFO] [stdout] 2 | libc::{lseek, open, read, remove, write, O_APPEND, O_CREAT, O_RDWR, O_TRUNC}, [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/bin/chap3-01.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | write(new_stdout, s.as_bytes()); [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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 13 | let _ = write(new_stdout, s.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/chap3-01.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | write(new_stdout, s.as_bytes()); [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] 22 | let _ = write(new_stdout, s.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `NixPath` [INFO] [stdout] --> src/bin/chap3-06.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | NixPath, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ret` is never read [INFO] [stdout] --> src/bin/chap3-06.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | let mut ret = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.69s [INFO] running `Command { std: "docker" "inspect" "e14f61b386dff64676ca255e252ff6ea37a8607e5686f64281aea9108e2b51d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e14f61b386dff64676ca255e252ff6ea37a8607e5686f64281aea9108e2b51d6", kill_on_drop: false }` [INFO] [stdout] e14f61b386dff64676ca255e252ff6ea37a8607e5686f64281aea9108e2b51d6 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/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] 8199d2e259466649af5288b82e4b7a75909b0b5e838ec999b683f6e71ac8af27 [INFO] running `Command { std: "docker" "start" "-a" "8199d2e259466649af5288b82e4b7a75909b0b5e838ec999b683f6e71ac8af27", kill_on_drop: false }` [INFO] [stderr] Compiling apue_homework v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `O_TRUNC` [INFO] [stdout] --> src/bin/chap3-06.rs:2:73 [INFO] [stdout] | [INFO] [stdout] 2 | libc::{lseek, open, read, remove, write, O_APPEND, O_CREAT, O_RDWR, O_TRUNC}, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `NixPath` [INFO] [stdout] --> src/bin/chap3-06.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | NixPath, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ret` is never read [INFO] [stdout] --> src/bin/chap3-06.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | let mut ret = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/chap3-01.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | write(new_stdout, s.as_bytes()); [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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 13 | let _ = write(new_stdout, s.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/chap3-01.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | write(new_stdout, s.as_bytes()); [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] 22 | let _ = write(new_stdout, s.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `Command { std: "docker" "inspect" "8199d2e259466649af5288b82e4b7a75909b0b5e838ec999b683f6e71ac8af27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8199d2e259466649af5288b82e4b7a75909b0b5e838ec999b683f6e71ac8af27", kill_on_drop: false }` [INFO] [stdout] 8199d2e259466649af5288b82e4b7a75909b0b5e838ec999b683f6e71ac8af27 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 0983e11d72ef6c06bd2d6790c518b3ef04a007e28efcc0612bb1786a7ea11fb1 [INFO] running `Command { std: "docker" "start" "-a" "0983e11d72ef6c06bd2d6790c518b3ef04a007e28efcc0612bb1786a7ea11fb1", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `O_TRUNC` [INFO] [stderr] --> src/bin/chap3-06.rs:2:73 [INFO] [stderr] | [INFO] [stderr] 2 | libc::{lseek, open, read, remove, write, O_APPEND, O_CREAT, O_RDWR, O_TRUNC}, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `NixPath` [INFO] [stderr] --> src/bin/chap3-06.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | NixPath, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: value assigned to `ret` is never read [INFO] [stderr] --> src/bin/chap3-06.rs:24:13 [INFO] [stderr] | [INFO] [stderr] 24 | let mut ret = 0; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/bin/chap3-01.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | write(new_stdout, s.as_bytes()); [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] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 13 | let _ = write(new_stdout, s.as_bytes()); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/bin/chap3-01.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | write(new_stdout, s.as_bytes()); [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] 22 | let _ = write(new_stdout, s.as_bytes()); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `apue_homework` (bin "chap3-06" test) generated 3 warnings (run `cargo fix --bin "chap3-06" --tests` to apply 1 suggestion) [INFO] [stderr] warning: `apue_homework` (bin "chap3-01" test) generated 2 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/apue-8b90e5a4cabceb68) [INFO] [stderr] Running unittests src/bin/chap3-01.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/chap3_01-1633cd537e7d1bba) [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 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 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 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/bin/chap3-05.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/chap3_05-80dd8f6eab28d1aa) [INFO] [stderr] Running unittests src/bin/chap3-06.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/chap3_06-be41e419f268434c) [INFO] running `Command { std: "docker" "inspect" "0983e11d72ef6c06bd2d6790c518b3ef04a007e28efcc0612bb1786a7ea11fb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0983e11d72ef6c06bd2d6790c518b3ef04a007e28efcc0612bb1786a7ea11fb1", kill_on_drop: false }` [INFO] [stdout] 0983e11d72ef6c06bd2d6790c518b3ef04a007e28efcc0612bb1786a7ea11fb1