[INFO] cloning repository https://github.com/tiuuuuPJ/antbook [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tiuuuuPJ/antbook" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtiuuuuPJ%2Fantbook", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtiuuuuPJ%2Fantbook'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2ce9c4b9cffbd20d86b9d47971e58ec6b1418e08 [INFO] testing tiuuuuPJ/antbook against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtiuuuuPJ%2Fantbook" "/workspace/builds/worker-22/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tiuuuuPJ/antbook on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tiuuuuPJ/antbook [INFO] finished tweaking git repo https://github.com/tiuuuuPJ/antbook [INFO] tweaked toml for git repo https://github.com/tiuuuuPJ/antbook written to /workspace/builds/worker-22/source/Cargo.toml [INFO] crate git repo https://github.com/tiuuuuPJ/antbook already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fded7e3e12b9c3442a3c247e34fa4865b3dfa654b8e06755314c7790500f2f56 [INFO] running `Command { std: "docker" "start" "-a" "fded7e3e12b9c3442a3c247e34fa4865b3dfa654b8e06755314c7790500f2f56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fded7e3e12b9c3442a3c247e34fa4865b3dfa654b8e06755314c7790500f2f56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fded7e3e12b9c3442a3c247e34fa4865b3dfa654b8e06755314c7790500f2f56", kill_on_drop: false }` [INFO] [stdout] fded7e3e12b9c3442a3c247e34fa4865b3dfa654b8e06755314c7790500f2f56 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] df5276226edfbde64bcbe0d85d4c12d2cf91477783247f7341c90f0220053105 [INFO] running `Command { std: "docker" "start" "-a" "df5276226edfbde64bcbe0d85d4c12d2cf91477783247f7341c90f0220053105", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling antbook v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/chapter-2/file_read_test.rs:10:26 [INFO] [stdout] | [INFO] [stdout] 10 | fn cat_file(stream: &mut BufRead) { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/chapter-1/2.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let mut len = a[i] + a[j] + a[k]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/chapter-1/2.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let mut max_a = cmp::max(cmp::max(a[i], a[j]), a[k]); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `DFS` should have a snake case name [INFO] [stdout] --> src/chapter-2/maze.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn DFS(map: &mut Vec>, flag: &mut bool) -> bool { [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `dfs` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.90s [INFO] running `Command { std: "docker" "inspect" "df5276226edfbde64bcbe0d85d4c12d2cf91477783247f7341c90f0220053105", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df5276226edfbde64bcbe0d85d4c12d2cf91477783247f7341c90f0220053105", kill_on_drop: false }` [INFO] [stdout] df5276226edfbde64bcbe0d85d4c12d2cf91477783247f7341c90f0220053105 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] feff5b1adb5590579454e230dc8c5102904c0b5ce8506728be8bafe038d615ed [INFO] running `Command { std: "docker" "start" "-a" "feff5b1adb5590579454e230dc8c5102904c0b5ce8506728be8bafe038d615ed", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling antbook v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/chapter-2/file_read_test.rs:10:26 [INFO] [stdout] | [INFO] [stdout] 10 | fn cat_file(stream: &mut BufRead) { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/chapter-1/2.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let mut len = a[i] + a[j] + a[k]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/chapter-1/2.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let mut max_a = cmp::max(cmp::max(a[i], a[j]), a[k]); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `DFS` should have a snake case name [INFO] [stdout] --> src/chapter-2/maze.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn DFS(map: &mut Vec>, flag: &mut bool) -> bool { [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `dfs` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.95s [INFO] running `Command { std: "docker" "inspect" "feff5b1adb5590579454e230dc8c5102904c0b5ce8506728be8bafe038d615ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "feff5b1adb5590579454e230dc8c5102904c0b5ce8506728be8bafe038d615ed", kill_on_drop: false }` [INFO] [stdout] feff5b1adb5590579454e230dc8c5102904c0b5ce8506728be8bafe038d615ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] cb652419edc6705ff6593facc0db4bcdd7bb19c0f17a1a74491625839c653f80 [INFO] running `Command { std: "docker" "start" "-a" "cb652419edc6705ff6593facc0db4bcdd7bb19c0f17a1a74491625839c653f80", kill_on_drop: false }` [INFO] [stderr] warning: function `DFS` should have a snake case name [INFO] [stderr] --> src/chapter-2/maze.rs:22:4 [INFO] [stderr] | [INFO] [stderr] 22 | fn DFS(map: &mut Vec>, flag: &mut bool) -> bool { [INFO] [stderr] | ^^^ help: convert the identifier to snake case: `dfs` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/chapter-2/file_read_test.rs:10:26 [INFO] [stderr] | [INFO] [stderr] 10 | fn cat_file(stream: &mut BufRead) { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/chapter-1/2.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | let mut len = a[i] + a[j] + a[k]; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/chapter-1/2.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | let mut max_a = cmp::max(cmp::max(a[i], a[j]), a[k]); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `antbook` (bin "maze" test) generated 1 warning [INFO] [stderr] warning: `antbook` (bin "file_read_test" test) generated 1 warning [INFO] [stderr] warning: `antbook` (bin "1-2" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/1_1-632319b2297d7e01) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/1_2-62b090ccd47dd816) [INFO] [stdout] test check_answer ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/1_3-504948d4e426303d) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/2_1-93c1e1a7693d5c3b) [INFO] [stdout] running 1 test [INFO] [stdout] test answer_check ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test answer_check ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/2_2-1d26a7b104739256) [INFO] [stdout] test check_answer ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/file_read_test-e093c3449eb48f1a) [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/greedy-309fdbd4c7b9c7b2) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/maze-0562f26848efee34) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "cb652419edc6705ff6593facc0db4bcdd7bb19c0f17a1a74491625839c653f80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb652419edc6705ff6593facc0db4bcdd7bb19c0f17a1a74491625839c653f80", kill_on_drop: false }` [INFO] [stdout] cb652419edc6705ff6593facc0db4bcdd7bb19c0f17a1a74491625839c653f80