[INFO] cloning repository https://github.com/charles37/nixlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/charles37/nixlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharles37%2Fnixlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharles37%2Fnixlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f1bb199ec22326971eb1189853247951a833277b [INFO] testing charles37/nixlings against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharles37%2Fnixlings" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/charles37/nixlings [INFO] finished tweaking git repo https://github.com/charles37/nixlings [INFO] tweaked toml for git repo https://github.com/charles37/nixlings written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/charles37/nixlings on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/charles37/nixlings 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded which v6.0.1 [INFO] [stderr] Downloaded toml v0.8.13 [INFO] [stderr] Downloaded syn v2.0.64 [INFO] [stderr] Downloaded toml_edit v0.22.13 [INFO] [stderr] Downloaded winnow v0.6.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 318398e05fdbf24b20895f4eb5e01bcc46dc1cdf80467656766aaaef25d98e32 [INFO] running `Command { std: "docker" "start" "-a" "318398e05fdbf24b20895f4eb5e01bcc46dc1cdf80467656766aaaef25d98e32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "318398e05fdbf24b20895f4eb5e01bcc46dc1cdf80467656766aaaef25d98e32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "318398e05fdbf24b20895f4eb5e01bcc46dc1cdf80467656766aaaef25d98e32", kill_on_drop: false }` [INFO] [stdout] 318398e05fdbf24b20895f4eb5e01bcc46dc1cdf80467656766aaaef25d98e32 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fde8dbfaf450e3983d1b2e3098fe4ba58f305e6ea93f757b45f767f8b5f512ad [INFO] running `Command { std: "docker" "start" "-a" "fde8dbfaf450e3983d1b2e3098fe4ba58f305e6ea93f757b45f767f8b5f512ad", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.82 [INFO] [stderr] Compiling anstyle-query v1.0.3 [INFO] [stderr] Compiling colorchoice v1.0.1 [INFO] [stderr] Compiling rustix v0.38.34 [INFO] [stderr] Compiling portable-atomic v1.6.0 [INFO] [stderr] Compiling is_terminal_polyfill v1.70.0 [INFO] [stderr] Compiling anstyle-parse v0.2.4 [INFO] [stderr] Compiling indexmap v2.2.6 [INFO] [stderr] Compiling unicode-width v0.1.12 [INFO] [stderr] Compiling winnow v0.6.8 [INFO] [stderr] Compiling bitflags v2.5.0 [INFO] [stderr] Compiling anyhow v1.0.83 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling filetime v0.2.23 [INFO] [stderr] Compiling crossbeam-channel v0.5.12 [INFO] [stderr] Compiling mio v0.8.11 [INFO] [stderr] Compiling linux-raw-sys v0.4.14 [INFO] [stderr] Compiling either v1.12.0 [INFO] [stderr] Compiling console v0.15.8 [INFO] [stderr] Compiling inotify v0.9.6 [INFO] [stderr] Compiling anstream v0.6.14 [INFO] [stderr] Compiling home v0.5.9 [INFO] [stderr] Compiling notify v6.1.1 [INFO] [stderr] Compiling clap_builder v4.5.2 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling notify-debouncer-mini v0.4.1 [INFO] [stderr] Compiling syn v2.0.64 [INFO] [stderr] Compiling indicatif v0.17.8 [INFO] [stderr] Compiling which v6.0.1 [INFO] [stderr] Compiling serde_derive v1.0.202 [INFO] [stderr] Compiling clap_derive v4.5.4 [INFO] [stderr] Compiling clap v4.5.4 [INFO] [stderr] Compiling serde v1.0.202 [INFO] [stderr] Compiling serde_spanned v0.6.6 [INFO] [stderr] Compiling toml_datetime v0.6.6 [INFO] [stderr] Compiling toml_edit v0.22.13 [INFO] [stderr] Compiling toml v0.8.13 [INFO] [stderr] Compiling nixlings v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Serialize` [INFO] [stdout] --> src/main.rs:3:26 [INFO] [stdout] | [INFO] [stdout] 3 | use serde::{Deserialize, Serialize}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Stdio`, `exit`, and `self` [INFO] [stdout] --> src/main.rs:5:20 [INFO] [stdout] | [INFO] [stdout] 5 | use std::process::{self, exit, Command, Stdio}; [INFO] [stdout] | ^^^^ ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `flake_check_result` [INFO] [stdout] --> src/main.rs:97:9 [INFO] [stdout] | [INFO] [stdout] 97 | let flake_check_result = exercise.flake_check(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_flake_check_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `stdout` and `stderr` are never read [INFO] [stdout] --> src/main.rs:121:5 [INFO] [stdout] | [INFO] [stdout] 120 | pub struct ExerciseOutput { [INFO] [stdout] | -------------- fields in this struct [INFO] [stdout] 121 | stdout: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 122 | stderr: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ExerciseOutput` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.11s [INFO] running `Command { std: "docker" "inspect" "fde8dbfaf450e3983d1b2e3098fe4ba58f305e6ea93f757b45f767f8b5f512ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fde8dbfaf450e3983d1b2e3098fe4ba58f305e6ea93f757b45f767f8b5f512ad", kill_on_drop: false }` [INFO] [stdout] fde8dbfaf450e3983d1b2e3098fe4ba58f305e6ea93f757b45f767f8b5f512ad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8b7a1040d8310c1a8fd9c2dd96fa5eabb125ebddd107c3459b03d0f3858704e2 [INFO] running `Command { std: "docker" "start" "-a" "8b7a1040d8310c1a8fd9c2dd96fa5eabb125ebddd107c3459b03d0f3858704e2", kill_on_drop: false }` [INFO] [stderr] Compiling nixlings v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Serialize` [INFO] [stdout] --> src/main.rs:3:26 [INFO] [stdout] | [INFO] [stdout] 3 | use serde::{Deserialize, Serialize}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Stdio`, `exit`, and `self` [INFO] [stdout] --> src/main.rs:5:20 [INFO] [stdout] | [INFO] [stdout] 5 | use std::process::{self, exit, Command, Stdio}; [INFO] [stdout] | ^^^^ ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `flake_check_result` [INFO] [stdout] --> src/main.rs:97:9 [INFO] [stdout] | [INFO] [stdout] 97 | let flake_check_result = exercise.flake_check(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_flake_check_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `stdout` and `stderr` are never read [INFO] [stdout] --> src/main.rs:121:5 [INFO] [stdout] | [INFO] [stdout] 120 | pub struct ExerciseOutput { [INFO] [stdout] | -------------- fields in this struct [INFO] [stdout] 121 | stdout: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 122 | stderr: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ExerciseOutput` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.96s [INFO] running `Command { std: "docker" "inspect" "8b7a1040d8310c1a8fd9c2dd96fa5eabb125ebddd107c3459b03d0f3858704e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b7a1040d8310c1a8fd9c2dd96fa5eabb125ebddd107c3459b03d0f3858704e2", kill_on_drop: false }` [INFO] [stdout] 8b7a1040d8310c1a8fd9c2dd96fa5eabb125ebddd107c3459b03d0f3858704e2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fcec4b0c3b3a34264d6020a4874581d20394b88cd023ed536bec70f9260d3cdf [INFO] running `Command { std: "docker" "start" "-a" "fcec4b0c3b3a34264d6020a4874581d20394b88cd023ed536bec70f9260d3cdf", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `Serialize` [INFO] [stderr] --> src/main.rs:3:26 [INFO] [stderr] | [INFO] [stderr] 3 | use serde::{Deserialize, Serialize}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Stdio`, `exit`, and `self` [INFO] [stderr] --> src/main.rs:5:20 [INFO] [stderr] | [INFO] [stderr] 5 | use std::process::{self, exit, Command, Stdio}; [INFO] [stderr] | ^^^^ ^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `flake_check_result` [INFO] [stderr] --> src/main.rs:97:9 [INFO] [stderr] | [INFO] [stderr] 97 | let flake_check_result = exercise.flake_check(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_flake_check_result` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: fields `stdout` and `stderr` are never read [INFO] [stderr] --> src/main.rs:121:5 [INFO] [stderr] | [INFO] [stderr] 120 | pub struct ExerciseOutput { [INFO] [stderr] | -------------- fields in this struct [INFO] [stderr] 121 | stdout: String, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] 122 | stderr: String, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `ExerciseOutput` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `nixlings` (bin "nixlings" test) generated 4 warnings (run `cargo fix --bin "nixlings" --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/nixlings-ddf86fce3d8f37bc) [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" "fcec4b0c3b3a34264d6020a4874581d20394b88cd023ed536bec70f9260d3cdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fcec4b0c3b3a34264d6020a4874581d20394b88cd023ed536bec70f9260d3cdf", kill_on_drop: false }` [INFO] [stdout] fcec4b0c3b3a34264d6020a4874581d20394b88cd023ed536bec70f9260d3cdf