[INFO] cloning repository https://github.com/b-m-ward/rusto
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/b-m-ward/rusto" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb-m-ward%2Frusto", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb-m-ward%2Frusto'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27858399d0e2e5268338128137c5ec0fc43df98a
[INFO] testing b-m-ward/rusto against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fb-m-ward%2Frusto" "/workspace/builds/worker-45/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-45/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/b-m-ward/rusto on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/b-m-ward/rusto
[INFO] finished tweaking git repo https://github.com/b-m-ward/rusto
[INFO] tweaked toml for git repo https://github.com/b-m-ward/rusto written to /workspace/builds/worker-45/source/Cargo.toml
[INFO] crate git repo https://github.com/b-m-ward/rusto already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 238aea3feec00634870ac52e13566b122eef345102da7fbe144b301e489343b6
[INFO] running `Command { std: "docker" "start" "-a" "238aea3feec00634870ac52e13566b122eef345102da7fbe144b301e489343b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "238aea3feec00634870ac52e13566b122eef345102da7fbe144b301e489343b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "238aea3feec00634870ac52e13566b122eef345102da7fbe144b301e489343b6", kill_on_drop: false }`
[INFO] [stdout] 238aea3feec00634870ac52e13566b122eef345102da7fbe144b301e489343b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 744f397a1b5b9750bd5684a7ad4ac81abe1647564839d8426aa4cce01e89f1b0
[INFO] running `Command { std: "docker" "start" "-a" "744f397a1b5b9750bd5684a7ad4ac81abe1647564839d8426aa4cce01e89f1b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rusto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `MAX_OPTS`
[INFO] [stdout]  --> src/guessing.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const MAX_OPTS: u32 = 100000;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remainder`
[INFO] [stdout]  --> src/funcs.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn remainder(input_num: i32, divisor: i32) -> i32 {
[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 20.71s
[INFO] running `Command { std: "docker" "inspect" "744f397a1b5b9750bd5684a7ad4ac81abe1647564839d8426aa4cce01e89f1b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "744f397a1b5b9750bd5684a7ad4ac81abe1647564839d8426aa4cce01e89f1b0", kill_on_drop: false }`
[INFO] [stdout] 744f397a1b5b9750bd5684a7ad4ac81abe1647564839d8426aa4cce01e89f1b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ac77937bd53a23345e9277c5bb7b79c192f3d8343a4dd3d8ab4e69bae98a63f
[INFO] running `Command { std: "docker" "start" "-a" "7ac77937bd53a23345e9277c5bb7b79c192f3d8343a4dd3d8ab4e69bae98a63f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `MAX_OPTS`
[INFO] [stdout]  --> src/guessing.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const MAX_OPTS: u32 = 100000;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remainder`
[INFO] [stdout]  --> src/funcs.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn remainder(input_num: i32, divisor: i32) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "7ac77937bd53a23345e9277c5bb7b79c192f3d8343a4dd3d8ab4e69bae98a63f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ac77937bd53a23345e9277c5bb7b79c192f3d8343a4dd3d8ab4e69bae98a63f", kill_on_drop: false }`
[INFO] [stdout] 7ac77937bd53a23345e9277c5bb7b79c192f3d8343a4dd3d8ab4e69bae98a63f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 40a69b057466e411641a29078a35ec2c55e04e17f0afc162f150da6aa803255d
[INFO] running `Command { std: "docker" "start" "-a" "40a69b057466e411641a29078a35ec2c55e04e17f0afc162f150da6aa803255d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: constant is never used: `MAX_OPTS`
[INFO] [stderr]  --> src/guessing.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub const MAX_OPTS: u32 = 100000;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `remainder`
[INFO] [stderr]  --> src/funcs.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn remainder(input_num: i32, divisor: i32) -> i32 {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rusto` (bin "rusto" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.14s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rusto-d71372d1f64c2749)
[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" "40a69b057466e411641a29078a35ec2c55e04e17f0afc162f150da6aa803255d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a69b057466e411641a29078a35ec2c55e04e17f0afc162f150da6aa803255d", kill_on_drop: false }`
[INFO] [stdout] 40a69b057466e411641a29078a35ec2c55e04e17f0afc162f150da6aa803255d