[INFO] cloning repository https://github.com/nabesuke5098/rust-practice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nabesuke5098/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnabesuke5098%2Frust-practice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnabesuke5098%2Frust-practice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 11dbb78a643835d678e7401c1f7487c48525fcc8 [INFO] testing nabesuke5098/rust-practice against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnabesuke5098%2Frust-practice" "/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/nabesuke5098/rust-practice [INFO] finished tweaking git repo https://github.com/nabesuke5098/rust-practice [INFO] tweaked toml for git repo https://github.com/nabesuke5098/rust-practice written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/nabesuke5098/rust-practice on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/nabesuke5098/rust-practice 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 577f34cf67b5419c882b3842e58ab8cdcbf91d1a18654687c97626cd79453cde [INFO] running `Command { std: "docker" "start" "-a" "577f34cf67b5419c882b3842e58ab8cdcbf91d1a18654687c97626cd79453cde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "577f34cf67b5419c882b3842e58ab8cdcbf91d1a18654687c97626cd79453cde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "577f34cf67b5419c882b3842e58ab8cdcbf91d1a18654687c97626cd79453cde", kill_on_drop: false }` [INFO] [stdout] 577f34cf67b5419c882b3842e58ab8cdcbf91d1a18654687c97626cd79453cde [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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5b46ec50e5aa0937b278c808501a0f198095ea4cc33cc7ba026600980d89ee9b [INFO] running `Command { std: "docker" "start" "-a" "5b46ec50e5aa0937b278c808501a0f198095ea4cc33cc7ba026600980d89ee9b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling getrandom v0.2.11 [INFO] [stderr] Compiling rand_core v0.6.4 [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/nabesuke5098/lib-demo-rust#5c3fdde7) [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:2:11 [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/debug.rs:3:3 [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/debug.rs:4:3 [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:6:13 [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:7:5 [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:8:5 [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:10:3 [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:11:3 [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `compare_area` is never used [INFO] [stdout] --> src/unit_test.rs:6:6 [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 2.96s [INFO] running `Command { std: "docker" "inspect" "5b46ec50e5aa0937b278c808501a0f198095ea4cc33cc7ba026600980d89ee9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b46ec50e5aa0937b278c808501a0f198095ea4cc33cc7ba026600980d89ee9b", kill_on_drop: false }` [INFO] [stdout] 5b46ec50e5aa0937b278c808501a0f198095ea4cc33cc7ba026600980d89ee9b [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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d28bcea30df1aaa6c4d96af59d319ddf123091098bff4e6f7ed2fc72ade17ea0 [INFO] running `Command { std: "docker" "start" "-a" "d28bcea30df1aaa6c4d96af59d319ddf123091098bff4e6f7ed2fc72ade17ea0", 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:2:11 [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/debug.rs:3:3 [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/debug.rs:4:3 [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:6:13 [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:7:5 [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:8:5 [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:10:3 [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:11:3 [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 0.43s [INFO] running `Command { std: "docker" "inspect" "d28bcea30df1aaa6c4d96af59d319ddf123091098bff4e6f7ed2fc72ade17ea0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d28bcea30df1aaa6c4d96af59d319ddf123091098bff4e6f7ed2fc72ade17ea0", kill_on_drop: false }` [INFO] [stdout] d28bcea30df1aaa6c4d96af59d319ddf123091098bff4e6f7ed2fc72ade17ea0 [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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 70fe2afb373788ff6641d3d35b3b7e08ea8057b8e3923326a1d0294a928bf3e7 [INFO] running `Command { std: "docker" "start" "-a" "70fe2afb373788ff6641d3d35b3b7e08ea8057b8e3923326a1d0294a928bf3e7", kill_on_drop: false }` [INFO] [stderr] warning: variable `x` is assigned to, but never used [INFO] [stderr] --> src/debug.rs:2:11 [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `x` is never read [INFO] [stderr] --> src/debug.rs:3:3 [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `x` is never read [INFO] [stderr] --> src/debug.rs:4:3 [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:6:13 [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:7:5 [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:8:5 [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:10:3 [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:11:3 [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` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_lesson-fdd9d647d4bc0e9f) [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 0.02s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "70fe2afb373788ff6641d3d35b3b7e08ea8057b8e3923326a1d0294a928bf3e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70fe2afb373788ff6641d3d35b3b7e08ea8057b8e3923326a1d0294a928bf3e7", kill_on_drop: false }` [INFO] [stdout] 70fe2afb373788ff6641d3d35b3b7e08ea8057b8e3923326a1d0294a928bf3e7