[INFO] cloning repository https://github.com/tibetsou/collatz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tibetsou/collatz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftibetsou%2Fcollatz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftibetsou%2Fcollatz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15cd702f9690f24224399f67468131511653f0b4
[INFO] testing tibetsou/collatz against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftibetsou%2Fcollatz" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tibetsou/collatz
[INFO] finished tweaking git repo https://github.com/tibetsou/collatz
[INFO] tweaked toml for git repo https://github.com/tibetsou/collatz written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tibetsou/collatz on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tibetsou/collatz 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 466d4fc1193cf68d2f0529a9e762457cedb958dff873b83eafbe6d8ad7764506
[INFO] running `Command { std: "docker" "start" "-a" "466d4fc1193cf68d2f0529a9e762457cedb958dff873b83eafbe6d8ad7764506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "466d4fc1193cf68d2f0529a9e762457cedb958dff873b83eafbe6d8ad7764506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "466d4fc1193cf68d2f0529a9e762457cedb958dff873b83eafbe6d8ad7764506", kill_on_drop: false }`
[INFO] [stdout] 466d4fc1193cf68d2f0529a9e762457cedb958dff873b83eafbe6d8ad7764506
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4253ac5f0f6f097f4d0c976c4ae4ab32040176205c3ba9a5b9a75210ae339b76
[INFO] running `Command { std: "docker" "start" "-a" "4253ac5f0f6f097f4d0c976c4ae4ab32040176205c3ba9a5b9a75210ae339b76", kill_on_drop: false }`
[INFO] [stderr]    Compiling collatz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `f` is never used
[INFO] [stdout]   --> src/main.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn f(n: u64) -> u64 {
[INFO] [stdout]    |    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "4253ac5f0f6f097f4d0c976c4ae4ab32040176205c3ba9a5b9a75210ae339b76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4253ac5f0f6f097f4d0c976c4ae4ab32040176205c3ba9a5b9a75210ae339b76", kill_on_drop: false }`
[INFO] [stdout] 4253ac5f0f6f097f4d0c976c4ae4ab32040176205c3ba9a5b9a75210ae339b76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52d89bbfeffb0fbf9815214f5ccb3fa661a242a8b81c0ebe266f6be703bf543c
[INFO] running `Command { std: "docker" "start" "-a" "52d89bbfeffb0fbf9815214f5ccb3fa661a242a8b81c0ebe266f6be703bf543c", kill_on_drop: false }`
[INFO] [stderr]    Compiling collatz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `f` is never used
[INFO] [stdout]   --> src/main.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn f(n: u64) -> u64 {
[INFO] [stdout]    |    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "52d89bbfeffb0fbf9815214f5ccb3fa661a242a8b81c0ebe266f6be703bf543c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52d89bbfeffb0fbf9815214f5ccb3fa661a242a8b81c0ebe266f6be703bf543c", kill_on_drop: false }`
[INFO] [stdout] 52d89bbfeffb0fbf9815214f5ccb3fa661a242a8b81c0ebe266f6be703bf543c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 63929dfa7d35ddf4988151ee4c4d20bd3d0c28d860b73c96c9db339b12a50e3c
[INFO] running `Command { std: "docker" "start" "-a" "63929dfa7d35ddf4988151ee4c4d20bd3d0c28d860b73c96c9db339b12a50e3c", kill_on_drop: false }`
[INFO] [stderr] warning: function `f` is never used
[INFO] [stderr]   --> src/main.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn f(n: u64) -> u64 {
[INFO] [stderr]    |    ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `collatz` (bin "collatz" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.17s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/collatz-2cbfa55a5887d94f)
[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" "63929dfa7d35ddf4988151ee4c4d20bd3d0c28d860b73c96c9db339b12a50e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63929dfa7d35ddf4988151ee4c4d20bd3d0c28d860b73c96c9db339b12a50e3c", kill_on_drop: false }`
[INFO] [stdout] 63929dfa7d35ddf4988151ee4c4d20bd3d0c28d860b73c96c9db339b12a50e3c
