[INFO] cloning repository https://github.com/ajcrites/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/ajcrites/monty_hall" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajcrites%2Fmonty_hall", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajcrites%2Fmonty_hall'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96f03e958a3950ba5cb6eab58f69260b1852032a
[INFO] testing ajcrites/monty_hall against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajcrites%2Fmonty_hall" "/workspace/builds/worker-61/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-61/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ajcrites/monty_hall on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ajcrites/monty_hall
[INFO] finished tweaking git repo https://github.com/ajcrites/monty_hall
[INFO] tweaked toml for git repo https://github.com/ajcrites/monty_hall written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] crate git repo https://github.com/ajcrites/monty_hall already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_cpus v0.2.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac1fe615c0da63fe16968bc0cb09a1b600dd932b1fbc34e5ef8e136880faddef
[INFO] running `Command { std: "docker" "start" "-a" "ac1fe615c0da63fe16968bc0cb09a1b600dd932b1fbc34e5ef8e136880faddef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac1fe615c0da63fe16968bc0cb09a1b600dd932b1fbc34e5ef8e136880faddef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac1fe615c0da63fe16968bc0cb09a1b600dd932b1fbc34e5ef8e136880faddef", kill_on_drop: false }`
[INFO] [stdout] ac1fe615c0da63fe16968bc0cb09a1b600dd932b1fbc34e5ef8e136880faddef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4fc6e609c55d4ebe37f45faa786160667ad4bb26c86ac352e76ae9b3e7d0d8e
[INFO] running `Command { std: "docker" "start" "-a" "e4fc6e609c55d4ebe37f45faa786160667ad4bb26c86ac352e76ae9b3e7d0d8e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.4
[INFO] [stderr]    Compiling libc v0.2.4
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[INFO] [stderr]    Compiling advapi32-sys v0.1.2
[INFO] [stderr]    Compiling rand v0.3.11
[INFO] [stderr]    Compiling num_cpus v0.2.10
[INFO] [stderr]    Compiling monty_hall v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:64:14
[INFO] [stdout]    |
[INFO] [stdout] 64 |     for _ in (0..cpus) {
[INFO] [stdout]    |              ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 64 -     for _ in (0..cpus) {
[INFO] [stdout] 64 +     for _ in 0..cpus {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:67:22
[INFO] [stdout]    |
[INFO] [stdout] 67 |             for _ in (0..1_000_000 / cpus) {
[INFO] [stdout]    |                      ^                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 -             for _ in (0..1_000_000 / cpus) {
[INFO] [stdout] 67 +             for _ in 0..1_000_000 / cpus {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.01s
[INFO] running `Command { std: "docker" "inspect" "e4fc6e609c55d4ebe37f45faa786160667ad4bb26c86ac352e76ae9b3e7d0d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4fc6e609c55d4ebe37f45faa786160667ad4bb26c86ac352e76ae9b3e7d0d8e", kill_on_drop: false }`
[INFO] [stdout] e4fc6e609c55d4ebe37f45faa786160667ad4bb26c86ac352e76ae9b3e7d0d8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af768770803c0e2c58d3f59771fe5be45498b0d0a3efbc0d5259d88a677c188d
[INFO] running `Command { std: "docker" "start" "-a" "af768770803c0e2c58d3f59771fe5be45498b0d0a3efbc0d5259d88a677c188d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling monty_hall v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:64:14
[INFO] [stdout]    |
[INFO] [stdout] 64 |     for _ in (0..cpus) {
[INFO] [stdout]    |              ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 64 -     for _ in (0..cpus) {
[INFO] [stdout] 64 +     for _ in 0..cpus {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:67:22
[INFO] [stdout]    |
[INFO] [stdout] 67 |             for _ in (0..1_000_000 / cpus) {
[INFO] [stdout]    |                      ^                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 -             for _ in (0..1_000_000 / cpus) {
[INFO] [stdout] 67 +             for _ in 0..1_000_000 / cpus {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.26s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "af768770803c0e2c58d3f59771fe5be45498b0d0a3efbc0d5259d88a677c188d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af768770803c0e2c58d3f59771fe5be45498b0d0a3efbc0d5259d88a677c188d", kill_on_drop: false }`
[INFO] [stdout] af768770803c0e2c58d3f59771fe5be45498b0d0a3efbc0d5259d88a677c188d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 027caa6c051fc958baca6fdc4beb09a9c2add3d702dc35a0ca40f09bef0b2279
[INFO] running `Command { std: "docker" "start" "-a" "027caa6c051fc958baca6fdc4beb09a9c2add3d702dc35a0ca40f09bef0b2279", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]   --> src/main.rs:64:14
[INFO] [stderr]    |
[INFO] [stderr] 64 |     for _ in (0..cpus) {
[INFO] [stderr]    |              ^       ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 64 -     for _ in (0..cpus) {
[INFO] [stderr] 64 +     for _ in 0..cpus {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]   --> src/main.rs:67:22
[INFO] [stderr]    |
[INFO] [stderr] 67 |             for _ in (0..1_000_000 / cpus) {
[INFO] [stderr]    |                      ^                   ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 67 -             for _ in (0..1_000_000 / cpus) {
[INFO] [stderr] 67 +             for _ in 0..1_000_000 / cpus {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `monty_hall` (bin "monty_hall" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.89s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/monty_hall-3b084bdf315add20)
[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] running `Command { std: "docker" "inspect" "027caa6c051fc958baca6fdc4beb09a9c2add3d702dc35a0ca40f09bef0b2279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "027caa6c051fc958baca6fdc4beb09a9c2add3d702dc35a0ca40f09bef0b2279", kill_on_drop: false }`
[INFO] [stdout] 027caa6c051fc958baca6fdc4beb09a9c2add3d702dc35a0ca40f09bef0b2279