[INFO] cloning repository https://github.com/DriedYellowPeach/algs-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DriedYellowPeach/algs-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDriedYellowPeach%2Falgs-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDriedYellowPeach%2Falgs-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bae834e3ebaaf65970ff3dc7236d0853d63a729d
[INFO] testing DriedYellowPeach/algs-rust against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDriedYellowPeach%2Falgs-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] started tweaking git repo https://github.com/DriedYellowPeach/algs-rust
[INFO] finished tweaking git repo https://github.com/DriedYellowPeach/algs-rust
[INFO] tweaked toml for git repo https://github.com/DriedYellowPeach/algs-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DriedYellowPeach/algs-rust on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DriedYellowPeach/algs-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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.2.11
[INFO] [stderr]   Downloaded libc v0.2.150
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5fa792d942238a98b5b8a1cf36bfe6812e42d4e857bfaff502404ad6e6f5c684
[INFO] running `Command { std: "docker" "start" "5fa792d942238a98b5b8a1cf36bfe6812e42d4e857bfaff502404ad6e6f5c684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fa792d942238a98b5b8a1cf36bfe6812e42d4e857bfaff502404ad6e6f5c684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5fa792d942238a98b5b8a1cf36bfe6812e42d4e857bfaff502404ad6e6f5c684" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fa792d942238a98b5b8a1cf36bfe6812e42d4e857bfaff502404ad6e6f5c684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5fa792d942238a98b5b8a1cf36bfe6812e42d4e857bfaff502404ad6e6f5c684" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling algs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::stack`
[INFO] [stdout]  --> src/queue.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::stack;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Weighted_Quick_Union` should have an upper camel case name
[INFO] [stdout]  --> src/union_find/weighted_quick_union.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Weighted_Quick_Union<T> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `WeightedQuickUnion`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "5fa792d942238a98b5b8a1cf36bfe6812e42d4e857bfaff502404ad6e6f5c684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5fa792d942238a98b5b8a1cf36bfe6812e42d4e857bfaff502404ad6e6f5c684" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::stack`
[INFO] [stdout]  --> src/queue.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::stack;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Weighted_Quick_Union` should have an upper camel case name
[INFO] [stdout]  --> src/union_find/weighted_quick_union.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Weighted_Quick_Union<T> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `WeightedQuickUnion`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling algs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::stack`
[INFO] [stdout]  --> src/queue.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::stack;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Weighted_Quick_Union` should have an upper camel case name
[INFO] [stdout]  --> src/union_find/weighted_quick_union.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Weighted_Quick_Union<T> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `WeightedQuickUnion`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "5fa792d942238a98b5b8a1cf36bfe6812e42d4e857bfaff502404ad6e6f5c684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5fa792d942238a98b5b8a1cf36bfe6812e42d4e857bfaff502404ad6e6f5c684" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::stack`
[INFO] [stderr]  --> src/queue.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::stack;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `Weighted_Quick_Union` should have an upper camel case name
[INFO] [stderr]  --> src/union_find/weighted_quick_union.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct Weighted_Quick_Union<T> {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `WeightedQuickUnion`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `algs` (lib) generated 2 warnings (run `cargo fix --lib -p algs` to apply 1 suggestion)
[INFO] [stderr] warning: `algs` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.74s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/algs-894e963eb77a5e8d)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test rand_sample::test::test_select_random_basic ... ok
[INFO] [stdout] test stack::test_my_stack ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test union_find::quick_union::test::test_quick_uinon_basics ... ok
[INFO] [stdout] test union_find::weighted_quick_union::test::test_weighted_quick_union_basics ... ok
[INFO] [stdout] test union_find::quick_find::test::test_quick_find ... ok
[INFO] [stdout] test tests::test_union_find_mod ... ok
[INFO] [stdout] test rand_sample::test::test_build_random_pool ... ok
[INFO] [stdout] test rand_sample::test::test_select_random_uniform ... ok
[INFO] [stdout] test rand_sample::test::select_with_another_random ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- rand_sample::test::select_with_another_random stdout ----
[INFO] [stdout] 0: 16.7370
[INFO] [stdout] 1: 16.7540
[INFO] [stdout] 2: 16.3020
[INFO] [stdout] 3: 16.7440
[INFO] [stdout] 4: 16.7690
[INFO] [stdout] 5: 16.6940
[INFO] [stdout] ===========
[INFO] [stdout] 0: 16.5990
[INFO] [stdout] 1: 16.6450
[INFO] [stdout] 2: 16.8120
[INFO] [stdout] 3: 16.8020
[INFO] [stdout] 4: 16.7350
[INFO] [stdout] 5: 16.4070
[INFO] [stdout] aberration: 138
[INFO] [stdout] aberration: 109
[INFO] [stdout] aberration: -510
[INFO] [stdout] 
[INFO] [stdout] thread 'rand_sample::test::select_with_another_random' (239) panicked at src/rand_sample.rs:142:13:
[INFO] [stdout] assertion failed: (abrr.abs() as f64 / EXPERI as f64) < 0.005
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5e9368c6afa1 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5e9368c7f8aa - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x5e9368c6f43c - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5e9368c47596 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5e9368c63709 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x5e9368bfc9d0 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x5e9368c638c2 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5e9368c47674 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5e9368c403c9 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5e9368c4823d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x5e9368c7ffdc - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5e9368c7ffa2 - core[df12db4294e9bfd3]::panicking::panic
[INFO] [stdout]   12:     0x5e9368bedf80 - algs[ef9437654d664e7d]::rand_sample::test::select_with_another_random
[INFO] [stdout]   13:     0x5e9368beeed9 - <algs[ef9437654d664e7d]::rand_sample::test::select_with_another_random::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x5e9368befcbb - test[9d35eded1c95d3be]::__rust_begin_short_backtrace::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]   15:     0x5e9368bfd325 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   16:     0x5e9368bf6be4 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x5e9368c00482 - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   18:     0x5e9368c6a879 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x7a9730bffdfa - <unknown>
[INFO] [stdout]   20:     0x7a9730c933d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     rand_sample::test::select_with_another_random
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 9 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "5fa792d942238a98b5b8a1cf36bfe6812e42d4e857bfaff502404ad6e6f5c684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fa792d942238a98b5b8a1cf36bfe6812e42d4e857bfaff502404ad6e6f5c684", kill_on_drop: false }`
[INFO] [stdout] 5fa792d942238a98b5b8a1cf36bfe6812e42d4e857bfaff502404ad6e6f5c684
