[INFO] cloning repository https://github.com/danielhstahl/rust_demos [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danielhstahl/rust_demos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielhstahl%2Frust_demos", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielhstahl%2Frust_demos'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4873b91cdf93b5a4fefc5fcfce9119b5b97321ef [INFO] testing danielhstahl/rust_demos against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielhstahl%2Frust_demos" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/danielhstahl/rust_demos 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 git repo https://github.com/danielhstahl/rust_demos [INFO] finished tweaking git repo https://github.com/danielhstahl/rust_demos [INFO] tweaked toml for git repo https://github.com/danielhstahl/rust_demos written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/danielhstahl/rust_demos already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] 01adb26ac02564323d91b5becde7bbce163fce23e9a52b9249b0bc02dad69437 [INFO] running `Command { std: "docker" "start" "-a" "01adb26ac02564323d91b5becde7bbce163fce23e9a52b9249b0bc02dad69437", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "01adb26ac02564323d91b5becde7bbce163fce23e9a52b9249b0bc02dad69437", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01adb26ac02564323d91b5becde7bbce163fce23e9a52b9249b0bc02dad69437", kill_on_drop: false }` [INFO] [stdout] 01adb26ac02564323d91b5becde7bbce163fce23e9a52b9249b0bc02dad69437 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2022-04-10" "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] 3e54dab21790bc67a200a7601a1df81a09822c3a5d1fea130163e44580bc6f82 [INFO] running `Command { std: "docker" "start" "-a" "3e54dab21790bc67a200a7601a1df81a09822c3a5d1fea130163e44580bc6f82", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Compiling crossbeam-epoch v0.9.7 [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Compiling serde_json v1.0.78 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling crossbeam-channel v0.5.2 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling rust_demos v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let result = 4.0; // I can do this, because "let" is a re-assignment. [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `result1` is assigned to, but never used [INFO] [stdout] --> src/main.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | let mut result1 = 3.0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_result1` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `result1` is never read [INFO] [stdout] --> src/main.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | result1 = 4.0; //I can do this because its mutable [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `MyDataExample` [INFO] [stdout] --> src/myexamplemodule.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | pub struct MyDataExample { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `init` [INFO] [stdout] --> src/myexamplemodule.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn init(some_num: f64, some_int: i32) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `example_par_iter` [INFO] [stdout] --> src/myexamplemodule.rs:63:4 [INFO] [stdout] | [INFO] [stdout] 63 | fn example_par_iter(some_vec: &[&str]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `example_lifetime` [INFO] [stdout] --> src/myexamplemodule.rs:69:4 [INFO] [stdout] | [INFO] [stdout] 69 | fn example_lifetime<'a, 'b: 'a>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `example_borrow` [INFO] [stdout] --> src/myexamplemodule.rs:91:4 [INFO] [stdout] | [INFO] [stdout] 91 | fn example_borrow(v: Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `example_reference` [INFO] [stdout] --> src/myexamplemodule.rs:95:4 [INFO] [stdout] | [INFO] [stdout] 95 | fn example_reference(v: &[i32]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 37.74s [INFO] running `Command { std: "docker" "inspect" "3e54dab21790bc67a200a7601a1df81a09822c3a5d1fea130163e44580bc6f82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e54dab21790bc67a200a7601a1df81a09822c3a5d1fea130163e44580bc6f82", kill_on_drop: false }` [INFO] [stdout] 3e54dab21790bc67a200a7601a1df81a09822c3a5d1fea130163e44580bc6f82 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--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] 1e94aa276250bbe51d115c23952f1d9a3d2c700a124328ede02c2a1b92427b64 [INFO] running `Command { std: "docker" "start" "-a" "1e94aa276250bbe51d115c23952f1d9a3d2c700a124328ede02c2a1b92427b64", kill_on_drop: false }` [INFO] [stderr] Compiling rust_demos v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let result = 4.0; // I can do this, because "let" is a re-assignment. [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `result1` is assigned to, but never used [INFO] [stdout] --> src/main.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | let mut result1 = 3.0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_result1` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `result1` is never read [INFO] [stdout] --> src/main.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | result1 = 4.0; //I can do this because its mutable [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `some_int` [INFO] [stdout] --> src/myexamplemodule.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | some_int: i32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.30s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_demos-5a9a933b80cd428b) [INFO] running `Command { std: "docker" "inspect" "1e94aa276250bbe51d115c23952f1d9a3d2c700a124328ede02c2a1b92427b64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e94aa276250bbe51d115c23952f1d9a3d2c700a124328ede02c2a1b92427b64", kill_on_drop: false }` [INFO] [stdout] 1e94aa276250bbe51d115c23952f1d9a3d2c700a124328ede02c2a1b92427b64 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2022-04-10" "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] 10b083ee0f66a6a74922f48850864ebdef1415210bbc976580f46ae8fde5090c [INFO] running `Command { std: "docker" "start" "-a" "10b083ee0f66a6a74922f48850864ebdef1415210bbc976580f46ae8fde5090c", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `result` [INFO] [stderr] --> src/main.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | let result = 4.0; // I can do this, because "let" is a re-assignment. [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `result1` is assigned to, but never used [INFO] [stderr] --> src/main.rs:25:13 [INFO] [stderr] | [INFO] [stderr] 25 | let mut result1 = 3.0; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_result1` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `result1` is never read [INFO] [stderr] --> src/main.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | result1 = 4.0; //I can do this because its mutable [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: field is never read: `some_int` [INFO] [stderr] --> src/myexamplemodule.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | some_int: i32, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `rust_demos` (bin "rust_demos" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_demos-5a9a933b80cd428b) [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test myexamplemodule::tests::it_computes_power ... ok [INFO] [stdout] test myexamplemodule::tests::it_deserializes_str ... ok [INFO] [stdout] test myexamplemodule::tests::it_does_borrow_and_reference ... ok [INFO] [stdout] test myexamplemodule::tests::it_does_not_deserialize ... ok [INFO] [stdout] test myexamplemodule::tests::it_initiates_struct ... ok [INFO] [stdout] test myexamplemodule::tests::it_executes_in_parallel ... ok [INFO] [stdout] test myexamplemodule::tests::it_does_lifetime ... ok [INFO] [stdout] test myexamplemodule::tests::it_deserializes ... ok [INFO] [stdout] test myexamplemodule::tests::it_serializes_str ... ok [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "10b083ee0f66a6a74922f48850864ebdef1415210bbc976580f46ae8fde5090c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10b083ee0f66a6a74922f48850864ebdef1415210bbc976580f46ae8fde5090c", kill_on_drop: false }` [INFO] [stdout] 10b083ee0f66a6a74922f48850864ebdef1415210bbc976580f46ae8fde5090c