[INFO] cloning repository https://github.com/RUNFUNRUN/rust_tutorial [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RUNFUNRUN/rust_tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRUNFUNRUN%2Frust_tutorial", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRUNFUNRUN%2Frust_tutorial'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 848a009153eb1b3ee8bbd3bb8797abe1b7a1509b [INFO] testing RUNFUNRUN/rust_tutorial against 1.84.0 for beta-1.85-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRUNFUNRUN%2Frust_tutorial" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/RUNFUNRUN/rust_tutorial on toolchain 1.84.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.84.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/RUNFUNRUN/rust_tutorial [INFO] finished tweaking git repo https://github.com/RUNFUNRUN/rust_tutorial [INFO] tweaked toml for git repo https://github.com/RUNFUNRUN/rust_tutorial written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/RUNFUNRUN/rust_tutorial 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" "+1.84.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating git repository `https://github.com/RUNFUNRUN/rust_lib_demo` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 389f19d41b88936658c97369c99280baf6d388521b42a12b1bf5992bdf7f8ded [INFO] running `Command { std: "docker" "start" "-a" "389f19d41b88936658c97369c99280baf6d388521b42a12b1bf5992bdf7f8ded", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "389f19d41b88936658c97369c99280baf6d388521b42a12b1bf5992bdf7f8ded", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "389f19d41b88936658c97369c99280baf6d388521b42a12b1bf5992bdf7f8ded", kill_on_drop: false }` [INFO] [stdout] 389f19d41b88936658c97369c99280baf6d388521b42a12b1bf5992bdf7f8ded [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bed5f8d05a1f5bc57f03e7a215b98f6cba0f2435a9b2f66346881782af24b3be [INFO] running `Command { std: "docker" "start" "-a" "bed5f8d05a1f5bc57f03e7a215b98f6cba0f2435a9b2f66346881782af24b3be", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling libc v0.2.157 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling syn v2.0.75 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling zerocopy v0.7.35 [INFO] [stderr] Compiling ppv-lite86 v0.2.20 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling rust_lib_demo v0.1.0 (https://github.com/RUNFUNRUN/rust_lib_demo#f3b8a98b) [INFO] [stderr] Compiling rust_tutorial v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `x` is assigned to, but never used [INFO] [stdout] --> src/debug.rs:2:13 [INFO] [stdout] | [INFO] [stdout] 2 | let mut x = 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_x` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/debug.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | x = 2; [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: value assigned to `x` is never read [INFO] [stdout] --> src/debug.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | x = 3; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `y` is assigned to, but never used [INFO] [stdout] --> src/debug.rs:6:17 [INFO] [stdout] | [INFO] [stdout] 6 | let mut y = 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_y` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `y` is never read [INFO] [stdout] --> src/debug.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | y = 2; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `y` is never read [INFO] [stdout] --> src/debug.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | y = 3; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/debug.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | x = 4; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/debug.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | x = 5; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Rectangle` is never constructed [INFO] [stdout] --> src/unit_test.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Rectangle { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `compare_area` is never used [INFO] [stdout] --> src/unit_test.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 5 | impl Rectangle { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] 6 | fn compare_area(&self, other: &Rectangle) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `double_value` is never used [INFO] [stdout] --> src/unit_test.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn double_value(a: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `greeting` is never used [INFO] [stdout] --> src/unit_test.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn greeting(name: &str) -> String { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.87s [INFO] running `Command { std: "docker" "inspect" "bed5f8d05a1f5bc57f03e7a215b98f6cba0f2435a9b2f66346881782af24b3be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bed5f8d05a1f5bc57f03e7a215b98f6cba0f2435a9b2f66346881782af24b3be", kill_on_drop: false }` [INFO] [stdout] bed5f8d05a1f5bc57f03e7a215b98f6cba0f2435a9b2f66346881782af24b3be [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 35d15770c2a529bd97f53dd46b14b5b4f5fe3b9e702cc4b3534055a304529537 [INFO] running `Command { std: "docker" "start" "-a" "35d15770c2a529bd97f53dd46b14b5b4f5fe3b9e702cc4b3534055a304529537", kill_on_drop: false }` [INFO] [stderr] Compiling rust_tutorial v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `x` is assigned to, but never used [INFO] [stdout] --> src/debug.rs:2:13 [INFO] [stdout] | [INFO] [stdout] 2 | let mut x = 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_x` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/debug.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | x = 2; [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: value assigned to `x` is never read [INFO] [stdout] --> src/debug.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | x = 3; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `y` is assigned to, but never used [INFO] [stdout] --> src/debug.rs:6:17 [INFO] [stdout] | [INFO] [stdout] 6 | let mut y = 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_y` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `y` is never read [INFO] [stdout] --> src/debug.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | y = 2; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `y` is never read [INFO] [stdout] --> src/debug.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | y = 3; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/debug.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | x = 4; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/debug.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | x = 5; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s [INFO] running `Command { std: "docker" "inspect" "35d15770c2a529bd97f53dd46b14b5b4f5fe3b9e702cc4b3534055a304529537", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35d15770c2a529bd97f53dd46b14b5b4f5fe3b9e702cc4b3534055a304529537", kill_on_drop: false }` [INFO] [stdout] 35d15770c2a529bd97f53dd46b14b5b4f5fe3b9e702cc4b3534055a304529537 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 46fba980d03028eb90347b0f37b6a461eac44e781ae1e3f435c6e77fa7c29861 [INFO] running `Command { std: "docker" "start" "-a" "46fba980d03028eb90347b0f37b6a461eac44e781ae1e3f435c6e77fa7c29861", kill_on_drop: false }` [INFO] [stderr] warning: variable `x` is assigned to, but never used [INFO] [stderr] --> src/debug.rs:2:13 [INFO] [stderr] | [INFO] [stderr] 2 | let mut x = 1; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_x` instead [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `x` is never read [INFO] [stderr] --> src/debug.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | x = 2; [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: value assigned to `x` is never read [INFO] [stderr] --> src/debug.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | x = 3; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable `y` is assigned to, but never used [INFO] [stderr] --> src/debug.rs:6:17 [INFO] [stderr] | [INFO] [stderr] 6 | let mut y = 1; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_y` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `y` is never read [INFO] [stderr] --> src/debug.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | y = 2; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `y` is never read [INFO] [stderr] --> src/debug.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | y = 3; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `x` is never read [INFO] [stderr] --> src/debug.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | x = 4; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `x` is never read [INFO] [stderr] --> src/debug.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | x = 5; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: `rust_tutorial` (bin "rust_tutorial" test) generated 8 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_tutorial-2b86a26c5e7ccb2b) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test unit_test::tests::test_a_is_larger ... ok [INFO] [stdout] test unit_test::tests::test_contains_name ... ok [INFO] [stdout] test unit_test::tests::test_a_is_smaller ... ok [INFO] [stdout] test unit_test::tests::test_double ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "46fba980d03028eb90347b0f37b6a461eac44e781ae1e3f435c6e77fa7c29861", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46fba980d03028eb90347b0f37b6a461eac44e781ae1e3f435c6e77fa7c29861", kill_on_drop: false }` [INFO] [stdout] 46fba980d03028eb90347b0f37b6a461eac44e781ae1e3f435c6e77fa7c29861