[INFO] cloning repository https://github.com/skrap/rusted_cart [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skrap/rusted_cart" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskrap%2Frusted_cart", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskrap%2Frusted_cart'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 661f75d65b3a215c9b4d8186013a662339b005c5 [INFO] testing skrap/rusted_cart against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskrap%2Frusted_cart" "/workspace/builds/worker-87/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-87/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/skrap/rusted_cart on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/skrap/rusted_cart [INFO] finished tweaking git repo https://github.com/skrap/rusted_cart [INFO] tweaked toml for git repo https://github.com/skrap/rusted_cart written to /workspace/builds/worker-87/source/Cargo.toml [INFO] crate git repo https://github.com/skrap/rusted_cart already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 389b15b71dc8f448bc0565c7387c0e3b437fa13701a36a5aa28bfd162deb0f74 [INFO] running `Command { std: "docker" "start" "-a" "389b15b71dc8f448bc0565c7387c0e3b437fa13701a36a5aa28bfd162deb0f74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "389b15b71dc8f448bc0565c7387c0e3b437fa13701a36a5aa28bfd162deb0f74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "389b15b71dc8f448bc0565c7387c0e3b437fa13701a36a5aa28bfd162deb0f74", kill_on_drop: false }` [INFO] [stdout] 389b15b71dc8f448bc0565c7387c0e3b437fa13701a36a5aa28bfd162deb0f74 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d362a919de5eda0c9fd24a67cec5da7fbd01baf38f49b8109b2ba1c153f4f20b [INFO] running `Command { std: "docker" "start" "-a" "d362a919de5eda0c9fd24a67cec5da7fbd01baf38f49b8109b2ba1c153f4f20b", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling num-bigint v0.2.2 [INFO] [stderr] Compiling libc v0.2.49 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling num-complex v0.2.1 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Compiling serde v1.0.89 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Compiling syn v0.15.27 [INFO] [stderr] Compiling csv-core v0.1.5 [INFO] [stderr] Compiling num v0.2.0 [INFO] [stderr] Compiling permutator v0.3.3 [INFO] [stderr] Compiling serde_derive v1.0.89 [INFO] [stderr] Compiling csv v1.0.5 [INFO] [stderr] Compiling rusted_cart v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:7:38 [INFO] [stdout] | [INFO] [stdout] 7 | fn mushes() -> Result, Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Gini` [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | Gini, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `parent_idx` [INFO] [stdout] --> src/main.rs:241:5 [INFO] [stdout] | [INFO] [stdout] 241 | parent_idx: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 38.40s [INFO] running `Command { std: "docker" "inspect" "d362a919de5eda0c9fd24a67cec5da7fbd01baf38f49b8109b2ba1c153f4f20b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d362a919de5eda0c9fd24a67cec5da7fbd01baf38f49b8109b2ba1c153f4f20b", kill_on_drop: false }` [INFO] [stdout] d362a919de5eda0c9fd24a67cec5da7fbd01baf38f49b8109b2ba1c153f4f20b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1b2af0a650e1f988e4d7c7f4418019f15bede5b58edc0baa129fc0cd4fb9e598 [INFO] running `Command { std: "docker" "start" "-a" "1b2af0a650e1f988e4d7c7f4418019f15bede5b58edc0baa129fc0cd4fb9e598", kill_on_drop: false }` [INFO] [stderr] Compiling rusted_cart v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:7:38 [INFO] [stdout] | [INFO] [stdout] 7 | fn mushes() -> Result, Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Gini` [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | Gini, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `parent_idx` [INFO] [stdout] --> src/main.rs:241:5 [INFO] [stdout] | [INFO] [stdout] 241 | parent_idx: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.14s [INFO] running `Command { std: "docker" "inspect" "1b2af0a650e1f988e4d7c7f4418019f15bede5b58edc0baa129fc0cd4fb9e598", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b2af0a650e1f988e4d7c7f4418019f15bede5b58edc0baa129fc0cd4fb9e598", kill_on_drop: false }` [INFO] [stdout] 1b2af0a650e1f988e4d7c7f4418019f15bede5b58edc0baa129fc0cd4fb9e598 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8cd6e095130c8e075c8d06360eab70b89f4c894643639ec38289fa7d93f96e73 [INFO] running `Command { std: "docker" "start" "-a" "8cd6e095130c8e075c8d06360eab70b89f4c894643639ec38289fa7d93f96e73", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:7:38 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 7 | fn mushes() -> Result, Box> { [INFO] [stdout] [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] running 3 tests [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Gini` [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | Gini, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `parent_idx` [INFO] [stderr] --> src/main.rs:241:5 [INFO] [stderr] | [INFO] [stderr] 241 | parent_idx: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `rusted_cart` (bin "rusted_cart" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rusted_cart-6aaa802fea1aa3ce) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rusted_cart-eecd93f8c9cdb152) [INFO] [stdout] test test_answer ... ok [INFO] [stdout] test test_impurity ... ok [INFO] [stdout] test test_question_fmt ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests rusted_cart [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" "8cd6e095130c8e075c8d06360eab70b89f4c894643639ec38289fa7d93f96e73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8cd6e095130c8e075c8d06360eab70b89f4c894643639ec38289fa7d93f96e73", kill_on_drop: false }` [INFO] [stdout] 8cd6e095130c8e075c8d06360eab70b89f4c894643639ec38289fa7d93f96e73