[INFO] cloning repository https://github.com/chinatsu/oo-workshop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chinatsu/oo-workshop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchinatsu%2Foo-workshop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchinatsu%2Foo-workshop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2afb2f8284d9ffc8f02a2645300e6e3f8bc93bc
[INFO] checking chinatsu/oo-workshop against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchinatsu%2Foo-workshop" "/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/chinatsu/oo-workshop
[INFO] finished tweaking git repo https://github.com/chinatsu/oo-workshop
[INFO] tweaked toml for git repo https://github.com/chinatsu/oo-workshop written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chinatsu/oo-workshop on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chinatsu/oo-workshop 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "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-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f1a42f38f97a1560dd6c82f72f58a722a7131f81feaba62762c91ad00d56b33
[INFO] running `Command { std: "docker" "start" "-a" "9f1a42f38f97a1560dd6c82f72f58a722a7131f81feaba62762c91ad00d56b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f1a42f38f97a1560dd6c82f72f58a722a7131f81feaba62762c91ad00d56b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f1a42f38f97a1560dd6c82f72f58a722a7131f81feaba62762c91ad00d56b33", kill_on_drop: false }`
[INFO] [stdout] 9f1a42f38f97a1560dd6c82f72f58a722a7131f81feaba62762c91ad00d56b33
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8caa0181a50f82b6e68e788288feaccf1f6663b153fe3cd3d7de39fe5247cca
[INFO] running `Command { std: "docker" "start" "-a" "b8caa0181a50f82b6e68e788288feaccf1f6663b153fe3cd3d7de39fe5247cca", kill_on_drop: false }`
[INFO] [stderr]     Checking oo-workshop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `CERTAIN` is never used
[INFO] [stdout]  --> src/chance/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | static CERTAIN: f64 = 1.0;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `DELTA` is never used
[INFO] [stdout]  --> src/chance/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | static DELTA: f64 = 0.000000000000001;
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Chance` is never constructed
[INFO] [stdout]  --> src/chance/mod.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Chance {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ChanceError` is never used
[INFO] [stdout]   --> src/chance/mod.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum ChanceError {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/chance/mod.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Chance {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 18 |     pub fn new(fraction: f64) -> Result<Chance, ChanceError> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "b8caa0181a50f82b6e68e788288feaccf1f6663b153fe3cd3d7de39fe5247cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8caa0181a50f82b6e68e788288feaccf1f6663b153fe3cd3d7de39fe5247cca", kill_on_drop: false }`
[INFO] [stdout] b8caa0181a50f82b6e68e788288feaccf1f6663b153fe3cd3d7de39fe5247cca