[INFO] fetching crate morkovmap 0.4.0...
[INFO] testing morkovmap-0.4.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-3
[INFO] extracting crate morkovmap 0.4.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate morkovmap 0.4.0
[INFO] finished tweaking crates.io crate morkovmap 0.4.0
[INFO] tweaked toml for crates.io crate morkovmap 0.4.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate morkovmap 0.4.0 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 crates.io crate morkovmap 0.4.0 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]     Updating crates.io index
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[INFO] [stdout] 97906833c382c5bf482cd9d1427c47a791fa1191198e987f5283483d208ceb7e
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[INFO] running `Command { std: "docker" "inspect" "97906833c382c5bf482cd9d1427c47a791fa1191198e987f5283483d208ceb7e", 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" "97906833c382c5bf482cd9d1427c47a791fa1191198e987f5283483d208ceb7e" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
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[INFO] [stderr]    Compiling morkovmap v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> src/ruleset.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `TileMap` is never used
[INFO] [stdout]  --> src/map.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait TileMap {}
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/map2d.rs:77:109
[INFO] [stdout]    |
[INFO] [stdout] 77 | ...ile<'n>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, assignment: K) -> Option<&ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stdout]    |             --                  -- the lifetime is named here                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'n`
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn finalize_tile<'n>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, assignment: K) -> Option<&'n ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stdout]    |                                                                                                              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/map2d.rs:92:140
[INFO] [stdout]    |
[INFO] [stdout] 92 | ...>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, distribution: &'n MultinomialDistribution<K>) -> Option<&ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stdout]    |       --                  -- the lifetime is named here                   -- the lifetime is named here            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |       |
[INFO] [stdout]    |       the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'n`
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn unassign_tile<'n>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, distribution: &'n MultinomialDistribution<K>) -> Option<&'n ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stdout]    |                                                                                                                                             ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 55.09s
[INFO] running `Command { std: "docker" "inspect" "97906833c382c5bf482cd9d1427c47a791fa1191198e987f5283483d208ceb7e", 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" "97906833c382c5bf482cd9d1427c47a791fa1191198e987f5283483d208ceb7e" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling morkovmap v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> src/ruleset.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `TileMap` is never used
[INFO] [stdout]  --> src/map.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait TileMap {}
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/map2d.rs:77:109
[INFO] [stdout]    |
[INFO] [stdout] 77 | ...ile<'n>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, assignment: K) -> Option<&ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stdout]    |             --                  -- the lifetime is named here                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'n`
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn finalize_tile<'n>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, assignment: K) -> Option<&'n ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stdout]    |                                                                                                              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/map2d.rs:92:140
[INFO] [stdout]    |
[INFO] [stdout] 92 | ...>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, distribution: &'n MultinomialDistribution<K>) -> Option<&ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stdout]    |       --                  -- the lifetime is named here                   -- the lifetime is named here            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |       |
[INFO] [stdout]    |       the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'n`
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn unassign_tile<'n>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, distribution: &'n MultinomialDistribution<K>) -> Option<&'n ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stdout]    |                                                                                                                                             ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]  --> src/ruleset.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::usize;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `TileMap` is never used
[INFO] [stdout]  --> src/map.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait TileMap {}
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/map2d.rs:77:109
[INFO] [stdout]    |
[INFO] [stdout] 77 | ...ile<'n>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, assignment: K) -> Option<&ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stdout]    |             --                  -- the lifetime is named here                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'n`
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn finalize_tile<'n>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, assignment: K) -> Option<&'n ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stdout]    |                                                                                                              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/map2d.rs:92:140
[INFO] [stdout]    |
[INFO] [stdout] 92 | ...>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, distribution: &'n MultinomialDistribution<K>) -> Option<&ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stdout]    |       --                  -- the lifetime is named here                   -- the lifetime is named here            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |       |
[INFO] [stdout]    |       the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'n`
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn unassign_tile<'n>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, distribution: &'n MultinomialDistribution<K>) -> Option<&'n ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stdout]    |                                                                                                                                             ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 2.71s
[INFO] running `Command { std: "docker" "inspect" "97906833c382c5bf482cd9d1427c47a791fa1191198e987f5283483d208ceb7e", 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" "97906833c382c5bf482cd9d1427c47a791fa1191198e987f5283483d208ceb7e" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated module `std::usize`: all constants in this module replaced by associated constants on the type
[INFO] [stderr]  --> src/ruleset.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::usize;
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `TileMap` is never used
[INFO] [stderr]  --> src/map.rs:1:7
[INFO] [stderr]   |
[INFO] [stderr] 1 | trait TileMap {}
[INFO] [stderr]   |       ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/map2d.rs:77:109
[INFO] [stderr]    |
[INFO] [stderr] 77 | ...ile<'n>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, assignment: K) -> Option<&ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stderr]    |             --                  -- the lifetime is named here                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stderr]    |             |
[INFO] [stderr]    |             the lifetime is named here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'n`
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn finalize_tile<'n>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, assignment: K) -> Option<&'n ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stderr]    |                                                                                                              ++
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/map2d.rs:92:140
[INFO] [stderr]    |
[INFO] [stderr] 92 | ...>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, distribution: &'n MultinomialDistribution<K>) -> Option<&ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stderr]    |       --                  -- the lifetime is named here                   -- the lifetime is named here            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stderr]    |       |
[INFO] [stderr]    |       the lifetime is named here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'n`
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn unassign_tile<'n>(&'n mut self, tile: &'n ThreadsafeNodeRef<AG, K, MP>, distribution: &'n MultinomialDistribution<K>) -> Option<&'n ThreadsafeNodeRef<AG, K, MP>> {
[INFO] [stderr]    |                                                                                                                                             ++
[INFO] [stderr] 
[INFO] [stderr] warning: `morkovmap` (lib) generated 4 warnings (run `cargo fix --lib -p morkovmap` to apply 2 suggestions)
[INFO] [stderr] warning: `morkovmap` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/morkovmap-9e11ef4ec6e10763)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test map2d::tests::position_vector_addition_works_one_negative ... ok
[INFO] [stdout] test map2d::tests::adjacents_cardinal_sane ... ok
[INFO] [stdout] test map2d::tests::serde_pos ... ok
[INFO] [stdout] test assigner::tests::small_assignment ... ok
[INFO] [stdout] test map2d::tests::position_vector_addition_works_positives ... ok
[INFO] [stdout] test sampler::tests::uniform_weights_work ... FAILED
[INFO] [stdout] test sampler::tests::sampling_works ... ok
[INFO] [stdout] test sampler::tests::sampling_with_default_works ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- sampler::tests::uniform_weights_work stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'sampler::tests::uniform_weights_work' (1609) panicked at src/sampler.rs:208:9:
[INFO] [stdout] assertion failed: key_one.contains("a")
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c9f677f3901 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5c9f67808dda - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x5c9f677f7d9c - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5c9f677cfef6 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5c9f677ec069 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x5c9f67785330 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x5c9f677ec222 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5c9f677cffd4 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5c9f677c8d29 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5c9f677d0b9d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x5c9f6780950c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5c9f678094d2 - core[df12db4294e9bfd3]::panicking::panic
[INFO] [stdout]   12:     0x5c9f67777732 - morkovmap[e80bf6d35380904d]::sampler::tests::uniform_weights_work
[INFO] [stdout]   13:     0x5c9f67772f69 - <morkovmap[e80bf6d35380904d]::sampler::tests::uniform_weights_work::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x5c9f6777861b - 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:     0x5c9f67785c85 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout]   16:     0x5c9f6777f544 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x5c9f67788de2 - <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:     0x5c9f677f31d9 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x7f8cc4bf5dfa - <unknown>
[INFO] [stdout]   20:     0x7f8cc4c893d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     sampler::tests::uniform_weights_work
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 7 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "97906833c382c5bf482cd9d1427c47a791fa1191198e987f5283483d208ceb7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97906833c382c5bf482cd9d1427c47a791fa1191198e987f5283483d208ceb7e", kill_on_drop: false }`
[INFO] [stdout] 97906833c382c5bf482cd9d1427c47a791fa1191198e987f5283483d208ceb7e
