[INFO] cloning repository https://github.com/hirotoe0112/my-first-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hirotoe0112/my-first-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhirotoe0112%2Fmy-first-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhirotoe0112%2Fmy-first-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9ce99b5b1fb85232bf833d0307c5b9d27fa5cac3 [INFO] testing hirotoe0112/my-first-rust against 1.86.0 for beta-1.87-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhirotoe0112%2Fmy-first-rust" "/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/hirotoe0112/my-first-rust on toolchain 1.86.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hirotoe0112/my-first-rust [INFO] finished tweaking git repo https://github.com/hirotoe0112/my-first-rust [INFO] tweaked toml for git repo https://github.com/hirotoe0112/my-first-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/hirotoe0112/my-first-rust 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" "+1.86.0" "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] 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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 328fc3b313240cfe1bffce8a529afc8eb7e121042476418dfa14fbfc781c998a [INFO] running `Command { std: "docker" "start" "-a" "328fc3b313240cfe1bffce8a529afc8eb7e121042476418dfa14fbfc781c998a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "328fc3b313240cfe1bffce8a529afc8eb7e121042476418dfa14fbfc781c998a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "328fc3b313240cfe1bffce8a529afc8eb7e121042476418dfa14fbfc781c998a", kill_on_drop: false }` [INFO] [stdout] 328fc3b313240cfe1bffce8a529afc8eb7e121042476418dfa14fbfc781c998a [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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c203d3f1db86b5f8d1806980ff8c28b27ee6e4a2d217d32f0097b6d6d71f93b0 [INFO] running `Command { std: "docker" "start" "-a" "c203d3f1db86b5f8d1806980ff8c28b27ee6e4a2d217d32f0097b6d6d71f93b0", kill_on_drop: false }` [INFO] [stderr] Compiling rust_lesson v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `a1` [INFO] [stdout] --> src/main.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let a1: i8 = 1; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a2` [INFO] [stdout] --> src/main.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | let a2 = 1.1111; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a3` [INFO] [stdout] --> src/main.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let a3 = 123i16; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g` [INFO] [stdout] --> src/main.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | let g = 1; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/main.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let f = 1 as f64; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `flg` [INFO] [stdout] --> src/main.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | let flg = true; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_flg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | let (x, y) = t2; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/main.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | let u = (); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arr3` [INFO] [stdout] --> src/main.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | let arr3 = ["aaa"; 100]; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_arr3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `char` [INFO] [stdout] --> src/main.rs:136:9 [INFO] [stdout] | [INFO] [stdout] 136 | let char = 'a'; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_char` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `char2` [INFO] [stdout] --> src/main.rs:137:9 [INFO] [stdout] | [INFO] [stdout] 137 | let char2 = '§'; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_char2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `str2` [INFO] [stdout] --> src/main.rs:144:9 [INFO] [stdout] | [INFO] [stdout] 144 | let str2 = String::from("aaaaa"); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_str2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `str3` [INFO] [stdout] --> src/main.rs:145:9 [INFO] [stdout] | [INFO] [stdout] 145 | let str3 = str.to_string(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_str3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `A` is never used [INFO] [stdout] --> src/main.rs:8:7 [INFO] [stdout] | [INFO] [stdout] 8 | const A: i32 = 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `ABC` is never used [INFO] [stdout] --> src/main.rs:34:11 [INFO] [stdout] | [INFO] [stdout] 34 | const ABC: i32 = 1; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "c203d3f1db86b5f8d1806980ff8c28b27ee6e4a2d217d32f0097b6d6d71f93b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c203d3f1db86b5f8d1806980ff8c28b27ee6e4a2d217d32f0097b6d6d71f93b0", kill_on_drop: false }` [INFO] [stdout] c203d3f1db86b5f8d1806980ff8c28b27ee6e4a2d217d32f0097b6d6d71f93b0 [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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2f5a6db463ec9bbba00964695d29f7f00bdc57be99f34cec12bfa830341a3f06 [INFO] running `Command { std: "docker" "start" "-a" "2f5a6db463ec9bbba00964695d29f7f00bdc57be99f34cec12bfa830341a3f06", kill_on_drop: false }` [INFO] [stderr] Compiling rust_lesson v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `a1` [INFO] [stdout] --> src/main.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let a1: i8 = 1; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a2` [INFO] [stdout] --> src/main.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | let a2 = 1.1111; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a3` [INFO] [stdout] --> src/main.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let a3 = 123i16; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g` [INFO] [stdout] --> src/main.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | let g = 1; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_g` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/main.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let f = 1 as f64; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `flg` [INFO] [stdout] --> src/main.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | let flg = true; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_flg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | let (x, y) = t2; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/main.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | let u = (); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arr3` [INFO] [stdout] --> src/main.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | let arr3 = ["aaa"; 100]; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_arr3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `char` [INFO] [stdout] --> src/main.rs:136:9 [INFO] [stdout] | [INFO] [stdout] 136 | let char = 'a'; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_char` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `char2` [INFO] [stdout] --> src/main.rs:137:9 [INFO] [stdout] | [INFO] [stdout] 137 | let char2 = '§'; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_char2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `str2` [INFO] [stdout] --> src/main.rs:144:9 [INFO] [stdout] | [INFO] [stdout] 144 | let str2 = String::from("aaaaa"); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_str2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `str3` [INFO] [stdout] --> src/main.rs:145:9 [INFO] [stdout] | [INFO] [stdout] 145 | let str3 = str.to_string(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_str3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `A` is never used [INFO] [stdout] --> src/main.rs:8:7 [INFO] [stdout] | [INFO] [stdout] 8 | const A: i32 = 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s [INFO] running `Command { std: "docker" "inspect" "2f5a6db463ec9bbba00964695d29f7f00bdc57be99f34cec12bfa830341a3f06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f5a6db463ec9bbba00964695d29f7f00bdc57be99f34cec12bfa830341a3f06", kill_on_drop: false }` [INFO] [stdout] 2f5a6db463ec9bbba00964695d29f7f00bdc57be99f34cec12bfa830341a3f06 [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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6ea0988d6b2be60ab88a10c135c35b34a0c3033a9b26da023fd6ea487d01bc90 [INFO] running `Command { std: "docker" "start" "-a" "6ea0988d6b2be60ab88a10c135c35b34a0c3033a9b26da023fd6ea487d01bc90", kill_on_drop: false }` [INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/72d989bd0f4e199ff96515162f452d917e4d7f6d2f72b6a9daabc6f9e92c0081/merged: no space left on device [INFO] running `Command { std: "docker" "inspect" "6ea0988d6b2be60ab88a10c135c35b34a0c3033a9b26da023fd6ea487d01bc90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ea0988d6b2be60ab88a10c135c35b34a0c3033a9b26da023fd6ea487d01bc90", kill_on_drop: false }` [INFO] [stdout] 6ea0988d6b2be60ab88a10c135c35b34a0c3033a9b26da023fd6ea487d01bc90