[INFO] cloning repository https://github.com/takeyu1013/rust-lesson [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/takeyu1013/rust-lesson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakeyu1013%2Frust-lesson", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakeyu1013%2Frust-lesson'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6dd49aaa4b264ffcee791677986e88fc400698df [INFO] testing takeyu1013/rust-lesson 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%2Ftakeyu1013%2Frust-lesson" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/takeyu1013/rust-lesson 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/takeyu1013/rust-lesson [INFO] finished tweaking git repo https://github.com/takeyu1013/rust-lesson [INFO] tweaked toml for git repo https://github.com/takeyu1013/rust-lesson written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/takeyu1013/rust-lesson 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] ef4534a2f6c6d99552fa9003b780f23fa8c91abe55fb009c61f80226df00482c [INFO] running `Command { std: "docker" "start" "-a" "ef4534a2f6c6d99552fa9003b780f23fa8c91abe55fb009c61f80226df00482c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef4534a2f6c6d99552fa9003b780f23fa8c91abe55fb009c61f80226df00482c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef4534a2f6c6d99552fa9003b780f23fa8c91abe55fb009c61f80226df00482c", kill_on_drop: false }` [INFO] [stdout] ef4534a2f6c6d99552fa9003b780f23fa8c91abe55fb009c61f80226df00482c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 74c61aa656e3e7dded7976d13433b60f0f6145144867185eae9ccbad9d414cdf [INFO] running `Command { std: "docker" "start" "-a" "74c61aa656e3e7dded7976d13433b60f0f6145144867185eae9ccbad9d414cdf", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling getrandom v0.2.6 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling lib_demo v0.1.0 (https://github.com/takeyu1013/lib-demo#731589a6) [INFO] [stderr] Compiling rust-lesson 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: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_x` instead [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] = note: `#[warn(unused_assignments)]` on by default [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: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 is never constructed: `Rectancle` [INFO] [stdout] --> src/unit_test.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Rectancle { [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: `compare_area` [INFO] [stdout] --> src/unit_test.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | fn compare_area(&self, other: &Rectancle) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `double_value` [INFO] [stdout] --> src/unit_test.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn double_value(a: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `greeting` [INFO] [stdout] --> src/unit_test.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn greeting(name: &str) -> String { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.06s [INFO] running `Command { std: "docker" "inspect" "74c61aa656e3e7dded7976d13433b60f0f6145144867185eae9ccbad9d414cdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74c61aa656e3e7dded7976d13433b60f0f6145144867185eae9ccbad9d414cdf", kill_on_drop: false }` [INFO] [stdout] 74c61aa656e3e7dded7976d13433b60f0f6145144867185eae9ccbad9d414cdf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] c05fcd1a21a7c2d429d28dc656fa6103ef2124e675476ca2e041f50181e13290 [INFO] running `Command { std: "docker" "start" "-a" "c05fcd1a21a7c2d429d28dc656fa6103ef2124e675476ca2e041f50181e13290", kill_on_drop: false }` [INFO] [stderr] Compiling rust-lesson 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: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_x` instead [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] = note: `#[warn(unused_assignments)]` on by default [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: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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.06s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_lesson-ac78335d4252febb) [INFO] running `Command { std: "docker" "inspect" "c05fcd1a21a7c2d429d28dc656fa6103ef2124e675476ca2e041f50181e13290", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c05fcd1a21a7c2d429d28dc656fa6103ef2124e675476ca2e041f50181e13290", kill_on_drop: false }` [INFO] [stdout] c05fcd1a21a7c2d429d28dc656fa6103ef2124e675476ca2e041f50181e13290 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] ffb8c6d56145d81b64310f390bdffed33b0227357bd8f89af0c2275ff82082ee [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ffb8c6d56145d81b64310f390bdffed33b0227357bd8f89af0c2275ff82082ee", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_x` instead [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] = note: `#[warn(unused_assignments)]` on by default [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: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-lesson` (bin "rust-lesson" test) generated 8 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.41s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_lesson-ac78335d4252febb) [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_double ... ok [INFO] [stdout] test unit_test::tests::test_contains_name ... ok [INFO] [stdout] test unit_test::tests::test_a_is_smaller ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ffb8c6d56145d81b64310f390bdffed33b0227357bd8f89af0c2275ff82082ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffb8c6d56145d81b64310f390bdffed33b0227357bd8f89af0c2275ff82082ee", kill_on_drop: false }` [INFO] [stdout] ffb8c6d56145d81b64310f390bdffed33b0227357bd8f89af0c2275ff82082ee