[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 try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtiuuuuPJ%2Fantbook" "/workspace/builds/worker-44/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-44/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tiuuuuPJ/antbook on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-44/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" "+722e1797249a965b6335aebd65d777f917e498f1" "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-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7e87462369fbe14cbb9240dfb1003c0fb98ecec0c80445a0d84b0df7bf28887a [INFO] running `Command { std: "docker" "start" "-a" "7e87462369fbe14cbb9240dfb1003c0fb98ecec0c80445a0d84b0df7bf28887a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7e87462369fbe14cbb9240dfb1003c0fb98ecec0c80445a0d84b0df7bf28887a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e87462369fbe14cbb9240dfb1003c0fb98ecec0c80445a0d84b0df7bf28887a", kill_on_drop: false }` [INFO] [stdout] 7e87462369fbe14cbb9240dfb1003c0fb98ecec0c80445a0d84b0df7bf28887a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7edfd1e07a4ad8e1e878bb5e0c08982a8186439d76e0a4963cc7b6c7c50e89fb [INFO] running `Command { std: "docker" "start" "-a" "7edfd1e07a4ad8e1e878bb5e0c08982a8186439d76e0a4963cc7b6c7c50e89fb", 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 [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: 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: 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 dev [unoptimized + debuginfo] target(s) in 5.88s [INFO] running `Command { std: "docker" "inspect" "7edfd1e07a4ad8e1e878bb5e0c08982a8186439d76e0a4963cc7b6c7c50e89fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7edfd1e07a4ad8e1e878bb5e0c08982a8186439d76e0a4963cc7b6c7c50e89fb", kill_on_drop: false }` [INFO] [stdout] 7edfd1e07a4ad8e1e878bb5e0c08982a8186439d76e0a4963cc7b6c7c50e89fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 48bc6320d899a1257e91a6e589e899f34742a18eb4a6997ee7b8d595a3e117f6 [INFO] running `Command { std: "docker" "start" "-a" "48bc6320d899a1257e91a6e589e899f34742a18eb4a6997ee7b8d595a3e117f6", 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 [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: 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: 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 0.92s [INFO] running `Command { std: "docker" "inspect" "48bc6320d899a1257e91a6e589e899f34742a18eb4a6997ee7b8d595a3e117f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48bc6320d899a1257e91a6e589e899f34742a18eb4a6997ee7b8d595a3e117f6", kill_on_drop: false }` [INFO] [stdout] 48bc6320d899a1257e91a6e589e899f34742a18eb4a6997ee7b8d595a3e117f6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1288dcab20a945e0e139d497dc7b5f140cd1b1c2dcf0d7ca98e53916d2fc2836 [INFO] running `Command { std: "docker" "start" "-a" "1288dcab20a945e0e139d497dc7b5f140cd1b1c2dcf0d7ca98e53916d2fc2836", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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: `antbook` (bin "maze" test) generated 1 warning [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 [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 "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 0.11s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/1_1-c475fcf1198ede81) [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 unittests (/opt/rustwide/target/debug/deps/1_2-98bb290dfe1b4a2d) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/1_3-b1c3aa20c769fe1e) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/2_1-62f67c4be405c78f) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/2_2-37865308ec9e6a20) [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 unittests (/opt/rustwide/target/debug/deps/file_read_test-d89ac9032ad55226) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/greedy-6dbab028addf543a) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/maze-acaac827147057ac) [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" "1288dcab20a945e0e139d497dc7b5f140cd1b1c2dcf0d7ca98e53916d2fc2836", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1288dcab20a945e0e139d497dc7b5f140cd1b1c2dcf0d7ca98e53916d2fc2836", kill_on_drop: false }` [INFO] [stdout] 1288dcab20a945e0e139d497dc7b5f140cd1b1c2dcf0d7ca98e53916d2fc2836