[INFO] fetching crate mc_sim 0.1.0...
[INFO] testing mc_sim-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mc_sim 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate mc_sim 0.1.0
[INFO] finished tweaking crates.io crate mc_sim 0.1.0
[INFO] tweaked toml for crates.io crate mc_sim 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mc_sim 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mc_sim 0.1.0 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_core v0.6.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15413714ff1445d3322efa4167501f568db34dbaa77bc8ece880c5ec3af95987
[INFO] running `Command { std: "docker" "start" "-a" "15413714ff1445d3322efa4167501f568db34dbaa77bc8ece880c5ec3af95987", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "rm" "-f" "15413714ff1445d3322efa4167501f568db34dbaa77bc8ece880c5ec3af95987", kill_on_drop: false }`
[INFO] [stdout] 15413714ff1445d3322efa4167501f568db34dbaa77bc8ece880c5ec3af95987
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1165b648e3babdb8810b6d243b051fdf25638be4d6d9d82de6e5eb4343de7c26
[INFO] running `Command { std: "docker" "start" "-a" "1165b648e3babdb8810b6d243b051fdf25638be4d6d9d82de6e5eb4343de7c26", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling libm v0.2.1
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[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
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[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling num-iter v0.1.42
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[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling nalgebra v0.19.0
[INFO] [stderr]    Compiling fraction v0.8.0
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[INFO] [stderr]    Compiling pin-project-internal v1.0.2
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[INFO] [stderr]    Compiling pin-project v1.0.2
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[INFO] [stderr]    Compiling cached v0.22.0
[INFO] [stderr]    Compiling statrs v0.13.0
[INFO] [stderr]    Compiling mc_sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `ender_pearl_target_total` and `ender_pearl_target_per_run` are never read
[INFO] [stdout]   --> src/stats.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct EnderPearlDistribution {
[INFO] [stdout]    |            ---------------------- fields in this struct
[INFO] [stdout] 11 |     ender_pearl_target_total: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     ender_pearl_target_per_run: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EnderPearlDistribution` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sim.rs:154:28
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn luckiest_stream(&self) -> RwLockReadGuard<Option<Stream>> {
[INFO] [stdout]     |                            ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn luckiest_stream(&self) -> RwLockReadGuard<'_, Option<Stream>> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.89s
[INFO] running `Command { std: "docker" "inspect" "1165b648e3babdb8810b6d243b051fdf25638be4d6d9d82de6e5eb4343de7c26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1165b648e3babdb8810b6d243b051fdf25638be4d6d9d82de6e5eb4343de7c26", kill_on_drop: false }`
[INFO] [stdout] 1165b648e3babdb8810b6d243b051fdf25638be4d6d9d82de6e5eb4343de7c26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ff931dd681024cccf90c09585ff5227d62a82303d4dc522267b441aeda4755f
[INFO] running `Command { std: "docker" "start" "-a" "5ff931dd681024cccf90c09585ff5227d62a82303d4dc522267b441aeda4755f", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stdout] warning: fields `ender_pearl_target_total` and `ender_pearl_target_per_run` are never read
[INFO] [stdout]   --> src/stats.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct EnderPearlDistribution {
[INFO] [stdout]    |            ---------------------- fields in this struct
[INFO] [stdout] 11 |     ender_pearl_target_total: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     ender_pearl_target_per_run: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EnderPearlDistribution` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sim.rs:154:28
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn luckiest_stream(&self) -> RwLockReadGuard<Option<Stream>> {
[INFO] [stdout]     |                            ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn luckiest_stream(&self) -> RwLockReadGuard<'_, Option<Stream>> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling mc_sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `ender_pearl_target_total` and `ender_pearl_target_per_run` are never read
[INFO] [stdout]   --> src/stats.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct EnderPearlDistribution {
[INFO] [stdout]    |            ---------------------- fields in this struct
[INFO] [stdout] 11 |     ender_pearl_target_total: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     ender_pearl_target_per_run: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EnderPearlDistribution` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sim.rs:154:28
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn luckiest_stream(&self) -> RwLockReadGuard<Option<Stream>> {
[INFO] [stdout]     |                            ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn luckiest_stream(&self) -> RwLockReadGuard<'_, Option<Stream>> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.67s
[INFO] running `Command { std: "docker" "inspect" "5ff931dd681024cccf90c09585ff5227d62a82303d4dc522267b441aeda4755f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ff931dd681024cccf90c09585ff5227d62a82303d4dc522267b441aeda4755f", kill_on_drop: false }`
[INFO] [stdout] 5ff931dd681024cccf90c09585ff5227d62a82303d4dc522267b441aeda4755f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 51aab376f3b676f76d9921693f7ee15442e234869724607235b0d0149006b5ff
[INFO] running `Command { std: "docker" "start" "-a" "51aab376f3b676f76d9921693f7ee15442e234869724607235b0d0149006b5ff", kill_on_drop: false }`
[INFO] [stderr] warning: fields `ender_pearl_target_total` and `ender_pearl_target_per_run` are never read
[INFO] [stderr]   --> src/stats.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct EnderPearlDistribution {
[INFO] [stderr]    |            ---------------------- fields in this struct
[INFO] [stderr] 11 |     ender_pearl_target_total: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 12 |     ender_pearl_target_per_run: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `EnderPearlDistribution` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/sim.rs:154:28
[INFO] [stderr]     |
[INFO] [stderr] 154 |     pub fn luckiest_stream(&self) -> RwLockReadGuard<Option<Stream>> {
[INFO] [stderr]     |                            ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                            |
[INFO] [stderr]     |                            the lifetime is elided 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: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 154 |     pub fn luckiest_stream(&self) -> RwLockReadGuard<'_, Option<Stream>> {
[INFO] [stderr]     |                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: `mc_sim` (lib) generated 2 warnings (run `cargo fix --lib -p mc_sim` to apply 1 suggestion)
[INFO] [stderr] warning: `mc_sim` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mc_sim-b001f5fb0844ce8e)
[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]    Doc-tests mc_sim
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/stats.rs - stats::item_drop_average (line 200) ... ok
[INFO] [stdout] test src/stats.rs - stats::BlazeRodDistribution::new (line 129) ... ok
[INFO] [stdout] test src/stream.rs - stream::StreamResults::probability (line 75) ... ok
[INFO] [stdout] test src/sim.rs - sim::SimulationGoalsBuilder::new (line 42) ... ok
[INFO] [stdout] test src/run.rs - run::Run::new (line 14) ... ok
[INFO] [stdout] test src/stream.rs - stream::StreamResults::luck (line 51) ... ok
[INFO] [stdout] test src/run.rs - run::RunSim<'a,'b>::new (line 114) ... ok
[INFO] [stdout] test src/stats.rs - stats::item_drop_range (line 214) ... ok
[INFO] [stdout] test src/drop.rs - drop::DropSim::get_drop (line 89) ... ok
[INFO] [stdout] test src/stats.rs - stats::EnderPearlDistribution::new (line 34) ... ok
[INFO] [stdout] test src/drop.rs - drop::DropConfig::new (line 40) ... ok
[INFO] [stdout] test src/stats.rs - stats::attempts_to_reach_target (line 228) ... ok
[INFO] [stdout] test src/stats.rs - stats::item_drop_probability (line 186) ... ok
[INFO] [stdout] test src/stream.rs - stream::Stream::simulate (line 156) ... ok
[INFO] [stdout] test src/sim.rs - sim::Simulation::new (line 249) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.89s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "51aab376f3b676f76d9921693f7ee15442e234869724607235b0d0149006b5ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51aab376f3b676f76d9921693f7ee15442e234869724607235b0d0149006b5ff", kill_on_drop: false }`
[INFO] [stdout] 51aab376f3b676f76d9921693f7ee15442e234869724607235b0d0149006b5ff
