[INFO] cloning repository https://github.com/KosukeMizuno/simulate_monty_hall
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KosukeMizuno/simulate_monty_hall" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKosukeMizuno%2Fsimulate_monty_hall", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKosukeMizuno%2Fsimulate_monty_hall'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aeeec65ef2736350203f9bb2b9cbe1f9df54c38a
[INFO] linting KosukeMizuno/simulate_monty_hall against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKosukeMizuno%2Fsimulate_monty_hall" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/KosukeMizuno/simulate_monty_hall
[INFO] finished tweaking git repo https://github.com/KosukeMizuno/simulate_monty_hall
[INFO] tweaked toml for git repo https://github.com/KosukeMizuno/simulate_monty_hall written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KosukeMizuno/simulate_monty_hall on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/KosukeMizuno/simulate_monty_hall 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" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebe21e35bd1743b7c7bd4822375fa9f61841e73460d1102d53673e47cc004ae2
[INFO] running `Command { std: "docker" "start" "-a" "ebe21e35bd1743b7c7bd4822375fa9f61841e73460d1102d53673e47cc004ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebe21e35bd1743b7c7bd4822375fa9f61841e73460d1102d53673e47cc004ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebe21e35bd1743b7c7bd4822375fa9f61841e73460d1102d53673e47cc004ae2", kill_on_drop: false }`
[INFO] [stdout] ebe21e35bd1743b7c7bd4822375fa9f61841e73460d1102d53673e47cc004ae2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ba3c7a8b64bd82543f4aeeb29268cf93b29750cd8bbe454e440067c9ba24d4f
[INFO] running `Command { std: "docker" "start" "-a" "5ba3c7a8b64bd82543f4aeeb29268cf93b29750cd8bbe454e440067c9ba24d4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking simulate_monty_hall v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `>= y + 1` or `x - 1 >=`
[INFO] [stdout]   --> src/main.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 |     if !(n_door >= n_leftclose + 1) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `n_door > n_leftclose`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#int_plus_one
[INFO] [stdout]    = note: `#[warn(clippy::int_plus_one)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     if !(n_leftclose >= 2) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^ help: try: `(n_leftclose < 2)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     if !(n_door >= n_leftclose + 1) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(n_door < n_leftclose + 1)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `repeat().take()` can be written more concisely
[INFO] [stdout]   --> src/main.rs:47:38
[INFO] [stdout]    |
[INFO] [stdout] 47 |       let results: Vec<(bool, bool)> = iter::repeat(0 as usize)
[INFO] [stdout]    |  ______________________________________^
[INFO] [stdout] 48 | |         .take(n_trial)
[INFO] [stdout]    | |______________________^ help: consider using `repeat_n()` instead: `std::iter::repeat_n(0 as usize, n_trial)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_repeat_n
[INFO] [stdout]    = note: `#[warn(clippy::manual_repeat_n)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting integer literal to `usize` is unnecessary
[INFO] [stdout]   --> src/main.rs:47:51
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let results: Vec<(bool, bool)> = iter::repeat(0 as usize)
[INFO] [stdout]    |                                                   ^^^^^^^^^^ help: try: `0_usize`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 |     if !(n_leftclose >= 2) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^ help: try: `(n_leftclose < 2)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `>= y + 1` or `x - 1 >=`
[INFO] [stdout]   --> src/main.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 |     if !(n_door >= n_leftclose + 1) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `n_door > n_leftclose`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#int_plus_one
[INFO] [stdout]    = note: `#[warn(clippy::int_plus_one)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     if !(n_leftclose >= 2) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^ help: try: `(n_leftclose < 2)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     if !(n_door >= n_leftclose + 1) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(n_door < n_leftclose + 1)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `repeat().take()` can be written more concisely
[INFO] [stdout]   --> src/main.rs:47:38
[INFO] [stdout]    |
[INFO] [stdout] 47 |       let results: Vec<(bool, bool)> = iter::repeat(0 as usize)
[INFO] [stdout]    |  ______________________________________^
[INFO] [stdout] 48 | |         .take(n_trial)
[INFO] [stdout]    | |______________________^ help: consider using `repeat_n()` instead: `std::iter::repeat_n(0 as usize, n_trial)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_repeat_n
[INFO] [stdout]    = note: `#[warn(clippy::manual_repeat_n)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting integer literal to `usize` is unnecessary
[INFO] [stdout]   --> src/main.rs:47:51
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let results: Vec<(bool, bool)> = iter::repeat(0 as usize)
[INFO] [stdout]    |                                                   ^^^^^^^^^^ help: try: `0_usize`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 |     if !(n_leftclose >= 2) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^ help: try: `(n_leftclose < 2)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `Command { std: "docker" "inspect" "5ba3c7a8b64bd82543f4aeeb29268cf93b29750cd8bbe454e440067c9ba24d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ba3c7a8b64bd82543f4aeeb29268cf93b29750cd8bbe454e440067c9ba24d4f", kill_on_drop: false }`
[INFO] [stdout] 5ba3c7a8b64bd82543f4aeeb29268cf93b29750cd8bbe454e440067c9ba24d4f