[INFO] fetching crate morkovmap_rc 0.4.1...
[INFO] testing morkovmap_rc-0.4.1 against 1.90.0 for beta-1.91-2
[INFO] extracting crate morkovmap_rc 0.4.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate morkovmap_rc 0.4.1
[INFO] finished tweaking crates.io crate morkovmap_rc 0.4.1
[INFO] tweaked toml for crates.io crate morkovmap_rc 0.4.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate morkovmap_rc 0.4.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate morkovmap_rc 0.4.1 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60a71090224a97c076746752b21cf2b96322321095239dbcc4fd86e375deb527
[INFO] running `Command { std: "docker" "start" "-a" "60a71090224a97c076746752b21cf2b96322321095239dbcc4fd86e375deb527", kill_on_drop: false }`
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[INFO] [stdout] 60a71090224a97c076746752b21cf2b96322321095239dbcc4fd86e375deb527
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 734c688205b1cc04a873d952ec4d4cde64507295b1648a3016a0d4467f797f25
[INFO] running `Command { std: "docker" "start" "-a" "734c688205b1cc04a873d952ec4d4cde64507295b1648a3016a0d4467f797f25", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
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[INFO] [stderr]    Compiling morkovmap_rc v0.4.1 (/opt/rustwide/workdir)
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/map2d.rs:78:31
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn finalize_tile<'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] 78 |     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:93:31
[INFO] [stdout]    |
[INFO] [stdout] 93 | ...>(&'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] 93 |     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 `dev` profile [unoptimized + debuginfo] target(s) in 20.34s
[INFO] running `Command { std: "docker" "inspect" "734c688205b1cc04a873d952ec4d4cde64507295b1648a3016a0d4467f797f25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "734c688205b1cc04a873d952ec4d4cde64507295b1648a3016a0d4467f797f25", kill_on_drop: false }`
[INFO] [stdout] 734c688205b1cc04a873d952ec4d4cde64507295b1648a3016a0d4467f797f25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b538521104606f814674e970d00b8e147bbcd653b4b9b90820af398d68d686e
[INFO] running `Command { std: "docker" "start" "-a" "9b538521104606f814674e970d00b8e147bbcd653b4b9b90820af398d68d686e", kill_on_drop: false }`
[INFO] [stderr]    Compiling morkovmap_rc v0.4.1 (/opt/rustwide/workdir)
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/map2d.rs:78:31
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn finalize_tile<'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] 78 |     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:93:31
[INFO] [stdout]    |
[INFO] [stdout] 93 | ...>(&'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] 93 |     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: 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/map2d.rs:78:31
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn finalize_tile<'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] 78 |     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:93:31
[INFO] [stdout]    |
[INFO] [stdout] 93 | ...>(&'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] 93 |     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 `test` profile [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `Command { std: "docker" "inspect" "9b538521104606f814674e970d00b8e147bbcd653b4b9b90820af398d68d686e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b538521104606f814674e970d00b8e147bbcd653b4b9b90820af398d68d686e", kill_on_drop: false }`
[INFO] [stdout] 9b538521104606f814674e970d00b8e147bbcd653b4b9b90820af398d68d686e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 96069944b237d8036be54ec19c0d7b883d67363959f79a4b1544355e8056eefe
[INFO] running `Command { std: "docker" "start" "-a" "96069944b237d8036be54ec19c0d7b883d67363959f79a4b1544355e8056eefe", kill_on_drop: false }`
[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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/map2d.rs:78:31
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn finalize_tile<'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] 78 |     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:93:31
[INFO] [stderr]    |
[INFO] [stderr] 93 | ...>(&'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] 93 |     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_rc` (lib) generated 3 warnings
[INFO] [stderr] warning: `morkovmap_rc` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/morkovmap_rc-356c2ec7c8d5ce0d)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test map2d::tests::position_vector_addition_works_one_negative ... ok
[INFO] [stdout] test map2d::tests::serde_pos ... ok
[INFO] [stdout] test sampler::tests::sampling_works ... ok
[INFO] [stdout] test sampler::tests::sampling_with_default_works ... ok
[INFO] [stdout] test map2d::tests::adjacents_cardinal_sane ... ok
[INFO] [stdout] test assigner::tests::small_assignment ... ok
[INFO] [stdout] test sampler::tests::uniform_weights_work ... FAILED
[INFO] [stdout] test map2d::tests::position_vector_addition_works_positives ... 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' panicked at src/sampler.rs:208:9:
[INFO] [stdout] assertion failed: key_one.contains("a")
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5743dbc81892 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5743dbc81892 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5743dbc81892 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5743dbc81892 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5743dbca7db3 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5743dbca7db3 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5743dbc7e813 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5743dbc7e813 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5743dbc816e2 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5743dbc82e09 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5743dbc82c3e - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5743dbc0bba4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5743dbc0bba4 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5743dbc837de - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5743dbc837de - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5743dbc83576 - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:699:13
[INFO] [stdout]   16:     0x5743dbc81d89 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5743dbc8323d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5743dbca5d90 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5743dbca5e1c - core::panicking::panic::h89a5f2df32b0508a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:145:5
[INFO] [stdout]   20:     0x5743dbbbbdf4 - morkovmap_rc::sampler::tests::uniform_weights_work::h86fda05a698558a6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/sampler.rs:208:9
[INFO] [stdout]   21:     0x5743dbbbbaa7 - morkovmap_rc::sampler::tests::uniform_weights_work::{{closure}}::h28d1c36a78174c5e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/sampler.rs:203:30
[INFO] [stdout]   22:     0x5743dbbc54a6 - core::ops::function::FnOnce::call_once::hfc91fafe9b8327c7
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   23:     0x5743dbc1140b - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24:     0x5743dbc1140b - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   25:     0x5743dbc10545 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   26:     0x5743dbc10545 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x5743dbc10545 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   28:     0x5743dbc10545 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   29:     0x5743dbc10545 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5743dbc10545 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   31:     0x5743dbc10545 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   32:     0x5743dbbd4144 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   33:     0x5743dbbd4144 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   34:     0x5743dbbd7b1a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   35:     0x5743dbbd7b1a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x5743dbbd7b1a - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   37:     0x5743dbbd7b1a - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   38:     0x5743dbbd7b1a - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5743dbbd7b1a - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   40:     0x5743dbbd7b1a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   41:     0x5743dbc8675f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   42:     0x5743dbc8675f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   43:     0x7437e6fd1aa4 - <unknown>
[INFO] [stdout]   44:     0x7437e705ea34 - clone
[INFO] [stdout]   45:                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 0.12s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "96069944b237d8036be54ec19c0d7b883d67363959f79a4b1544355e8056eefe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96069944b237d8036be54ec19c0d7b883d67363959f79a4b1544355e8056eefe", kill_on_drop: false }`
[INFO] [stdout] 96069944b237d8036be54ec19c0d7b883d67363959f79a4b1544355e8056eefe
