[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 beta-2021-01-01 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtiuuuuPJ%2Fantbook" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tiuuuuPJ/antbook on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-11/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9fc218707603e89568ca79520f4525a71c17c1cdec43b074a5b58b2c6780c9ba [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" "9fc218707603e89568ca79520f4525a71c17c1cdec43b074a5b58b2c6780c9ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9fc218707603e89568ca79520f4525a71c17c1cdec43b074a5b58b2c6780c9ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9fc218707603e89568ca79520f4525a71c17c1cdec43b074a5b58b2c6780c9ba", kill_on_drop: false }` [INFO] [stdout] 9fc218707603e89568ca79520f4525a71c17c1cdec43b074a5b58b2c6780c9ba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2f85be6df4b0b5422f48f4ae7dc5cef2cd63a1aaee5a8d8a6060edb1b2b1a340 [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" "2f85be6df4b0b5422f48f4ae7dc5cef2cd63a1aaee5a8d8a6060edb1b2b1a340", kill_on_drop: false }` [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] [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: 2 warnings emitted [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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.90s [INFO] running `Command { std: "docker" "inspect" "2f85be6df4b0b5422f48f4ae7dc5cef2cd63a1aaee5a8d8a6060edb1b2b1a340", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f85be6df4b0b5422f48f4ae7dc5cef2cd63a1aaee5a8d8a6060edb1b2b1a340", kill_on_drop: false }` [INFO] [stdout] 2f85be6df4b0b5422f48f4ae7dc5cef2cd63a1aaee5a8d8a6060edb1b2b1a340 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e9bb97bc13869a3e3d3d5ea3cf36389417f41436dbe23f0ad5941963a520dda0 [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" "e9bb97bc13869a3e3d3d5ea3cf36389417f41436dbe23f0ad5941963a520dda0", kill_on_drop: false }` [INFO] [stderr] Compiling antbook v0.1.0 (/opt/rustwide/workdir) [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: 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: 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] [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 1.21s [INFO] running `Command { std: "docker" "inspect" "e9bb97bc13869a3e3d3d5ea3cf36389417f41436dbe23f0ad5941963a520dda0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9bb97bc13869a3e3d3d5ea3cf36389417f41436dbe23f0ad5941963a520dda0", kill_on_drop: false }` [INFO] [stdout] e9bb97bc13869a3e3d3d5ea3cf36389417f41436dbe23f0ad5941963a520dda0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4a59e3b6a12a3c620cbd16e174e19093c3d55d39903d204e9a10924810b54a78 [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" "4a59e3b6a12a3c620cbd16e174e19093c3d55d39903d204e9a10924810b54a78", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] running 1 test [INFO] [stderr] --> src/chapter-2/file_read_test.rs:10:26 [INFO] [stdout] test check_answer ... ok [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 10 | fn cat_file(stream: &mut BufRead) { [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stdout] [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [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: 1 warning emitted [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: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/1_1-4e7ad922343c68b6 [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/1_2-45451539078d93f9 [INFO] [stdout] running 1 test [INFO] [stderr] Running /opt/rustwide/target/debug/deps/1_3-2252d1634c7340e5 [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] [stderr] Running /opt/rustwide/target/debug/deps/2_1-04f896d270042465 [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/2_2-c13dfbe830093ddf [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 check_answer ... 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] [stderr] Running /opt/rustwide/target/debug/deps/file_read_test-dc9fab424d2889be [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 /opt/rustwide/target/debug/deps/greedy-031f151041c2dbf5 [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/maze-577117a05bfc6bc0 [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" "4a59e3b6a12a3c620cbd16e174e19093c3d55d39903d204e9a10924810b54a78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a59e3b6a12a3c620cbd16e174e19093c3d55d39903d204e9a10924810b54a78", kill_on_drop: false }` [INFO] [stdout] 4a59e3b6a12a3c620cbd16e174e19093c3d55d39903d204e9a10924810b54a78