[INFO] cloning repository https://github.com/jcarberry/monte_carlo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jcarberry/monte_carlo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcarberry%2Fmonte_carlo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcarberry%2Fmonte_carlo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02e14d4f235030d29bb2ba4af5c4658076530406
[INFO] checking jcarberry/monte_carlo against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcarberry%2Fmonte_carlo" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jcarberry/monte_carlo
[INFO] finished tweaking git repo https://github.com/jcarberry/monte_carlo
[INFO] tweaked toml for git repo https://github.com/jcarberry/monte_carlo written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jcarberry/monte_carlo on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jcarberry/monte_carlo 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54b5be707077183fb62e6c20b345312d30b08c6cbfdb5acf9e93a3584f245f6f
[INFO] running `Command { std: "docker" "start" "-a" "54b5be707077183fb62e6c20b345312d30b08c6cbfdb5acf9e93a3584f245f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54b5be707077183fb62e6c20b345312d30b08c6cbfdb5acf9e93a3584f245f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54b5be707077183fb62e6c20b345312d30b08c6cbfdb5acf9e93a3584f245f6f", kill_on_drop: false }`
[INFO] [stdout] 54b5be707077183fb62e6c20b345312d30b08c6cbfdb5acf9e93a3584f245f6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fef5c4b798451181bb5e32fe980c8d380e32640701adce9b3b01be0cc441b0e9
[INFO] running `Command { std: "docker" "start" "-a" "fef5c4b798451181bb5e32fe980c8d380e32640701adce9b3b01be0cc441b0e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking approx v0.5.0
[INFO] [stderr]     Checking rand_distr v0.4.2
[INFO] [stderr]     Checking simba v0.5.1
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking nalgebra v0.27.1
[INFO] [stderr]     Checking statrs v0.15.0
[INFO] [stderr]     Checking monte_carlo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `TypeId`, `ops::Deref`, `ptr::null`, and `rc::Rc`
[INFO] [stdout]  --> src/main.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{any::{Any, TypeId}, ops::Deref, ptr::null, rc::Rc};
[INFO] [stdout]   |                      ^^^^^^   ^^^^^^^^^^  ^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]  --> src/main.rs:6:46
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::prelude::{Distribution, ThreadRng, thread_rng};
[INFO] [stdout]   |                                              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ft`
[INFO] [stdout]    --> src/main.rs:114:26
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn get_failed(&self, ft: &FT) -> bool {
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_ft`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]    --> src/main.rs:228:30
[INFO] [stdout]     |
[INFO] [stdout] 228 |     fn set_status(&mut self, status: usize) {
[INFO] [stdout]     |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]    --> src/main.rs:262:30
[INFO] [stdout]     |
[INFO] [stdout] 262 |     fn set_status(&mut self, status: usize) {
[INFO] [stdout]     |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]    --> src/main.rs:298:30
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn set_status(&mut self, status: usize) {
[INFO] [stdout]     |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `GateOr` is never constructed
[INFO] [stdout]    --> src/main.rs:236:12
[INFO] [stdout]     |
[INFO] [stdout] 236 | pub struct GateOr {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STATUS_DYNAMIC` is never used
[INFO] [stdout]   --> src/main.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const STATUS_DYNAMIC: usize = 2;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FT_SEQUENTIAL` is never used
[INFO] [stdout]   --> src/main.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const FT_SEQUENTIAL: usize = 2;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `root` is never read
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct FT {
[INFO] [stdout]    |            -- field in this struct
[INFO] [stdout] 41 |     root: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/main.rs:242:8
[INFO] [stdout]     |
[INFO] [stdout] 241 | impl GateOr {
[INFO] [stdout]     | ----------- associated function in this implementation
[INFO] [stdout] 242 |     fn new(id: usize) -> GateOr {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `monte_carlo` (bin "monte_carlo" test) due to 1 previous error; 10 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused imports: `TypeId`, `ops::Deref`, `ptr::null`, and `rc::Rc`
[INFO] [stdout]  --> src/main.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{any::{Any, TypeId}, ops::Deref, ptr::null, rc::Rc};
[INFO] [stdout]   |                      ^^^^^^   ^^^^^^^^^^  ^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]  --> src/main.rs:6:46
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::prelude::{Distribution, ThreadRng, thread_rng};
[INFO] [stdout]   |                                              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ft`
[INFO] [stdout]    --> src/main.rs:114:26
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn get_failed(&self, ft: &FT) -> bool {
[INFO] [stdout]     |                          ^^ help: if this is intentional, prefix it with an underscore: `_ft`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]    --> src/main.rs:228:30
[INFO] [stdout]     |
[INFO] [stdout] 228 |     fn set_status(&mut self, status: usize) {
[INFO] [stdout]     |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]    --> src/main.rs:262:30
[INFO] [stdout]     |
[INFO] [stdout] 262 |     fn set_status(&mut self, status: usize) {
[INFO] [stdout]     |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]    --> src/main.rs:298:30
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn set_status(&mut self, status: usize) {
[INFO] [stdout]     |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `GateOr` is never constructed
[INFO] [stdout]    --> src/main.rs:236:12
[INFO] [stdout]     |
[INFO] [stdout] 236 | pub struct GateOr {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STATUS_DYNAMIC` is never used
[INFO] [stdout]   --> src/main.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const STATUS_DYNAMIC: usize = 2;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FT_SEQUENTIAL` is never used
[INFO] [stdout]   --> src/main.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const FT_SEQUENTIAL: usize = 2;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `root` is never read
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct FT {
[INFO] [stdout]    |            -- field in this struct
[INFO] [stdout] 41 |     root: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/main.rs:242:8
[INFO] [stdout]     |
[INFO] [stdout] 241 | impl GateOr {
[INFO] [stdout]     | ----------- associated function in this implementation
[INFO] [stdout] 242 |     fn new(id: usize) -> GateOr {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `monte_carlo` (bin "monte_carlo") due to 1 previous error; 10 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "fef5c4b798451181bb5e32fe980c8d380e32640701adce9b3b01be0cc441b0e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fef5c4b798451181bb5e32fe980c8d380e32640701adce9b3b01be0cc441b0e9", kill_on_drop: false }`
[INFO] [stdout] fef5c4b798451181bb5e32fe980c8d380e32640701adce9b3b01be0cc441b0e9