[INFO] cloning repository https://github.com/perlindgren/myrange
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/perlindgren/myrange" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fperlindgren%2Fmyrange", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fperlindgren%2Fmyrange'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 460e57f8be24ad4ed0f448e806d91766dd590021
[INFO] testing perlindgren/myrange against 1.91.0 for beta-1.92-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fperlindgren%2Fmyrange" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/perlindgren/myrange
[INFO] finished tweaking git repo https://github.com/perlindgren/myrange
[INFO] tweaked toml for git repo https://github.com/perlindgren/myrange written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/perlindgren/myrange on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/perlindgren/myrange 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ada177841aa9d5408286679d58df9de1cc7885cf11a1e92a230731c50523a971
[INFO] running `Command { std: "docker" "start" "-a" "ada177841aa9d5408286679d58df9de1cc7885cf11a1e92a230731c50523a971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ada177841aa9d5408286679d58df9de1cc7885cf11a1e92a230731c50523a971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ada177841aa9d5408286679d58df9de1cc7885cf11a1e92a230731c50523a971", kill_on_drop: false }`
[INFO] [stdout] ada177841aa9d5408286679d58df9de1cc7885cf11a1e92a230731c50523a971
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd4d2ce49bc60ff084c52bc10b0810ef1b7874dd8c1572f371223d724995e2d0
[INFO] running `Command { std: "docker" "start" "-a" "cd4d2ce49bc60ff084c52bc10b0810ef1b7874dd8c1572f371223d724995e2d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling myrange v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `r3`
[INFO] [stdout]   --> src/main.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let r3 = r2 + r1;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_r3`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r4`
[INFO] [stdout]   --> src/main.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let r4 = MyRange::<i8>::new(-1, 20, 3);
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_r4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ru8`
[INFO] [stdout]   --> src/main.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let ru8: MyRange<u8> = r1.to();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ru8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "cd4d2ce49bc60ff084c52bc10b0810ef1b7874dd8c1572f371223d724995e2d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd4d2ce49bc60ff084c52bc10b0810ef1b7874dd8c1572f371223d724995e2d0", kill_on_drop: false }`
[INFO] [stdout] cd4d2ce49bc60ff084c52bc10b0810ef1b7874dd8c1572f371223d724995e2d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41bf32ead8e537515a3251a632fefb337caaaf342fc3052993fc6bc254d53fe3
[INFO] running `Command { std: "docker" "start" "-a" "41bf32ead8e537515a3251a632fefb337caaaf342fc3052993fc6bc254d53fe3", kill_on_drop: false }`
[INFO] [stderr]    Compiling myrange v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `r3`
[INFO] [stdout]   --> src/main.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let r3 = r2 + r1;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_r3`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r4`
[INFO] [stdout]   --> src/main.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let r4 = MyRange::<i8>::new(-1, 20, 3);
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_r4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ru8`
[INFO] [stdout]   --> src/main.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let ru8: MyRange<u8> = r1.to();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ru8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "41bf32ead8e537515a3251a632fefb337caaaf342fc3052993fc6bc254d53fe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41bf32ead8e537515a3251a632fefb337caaaf342fc3052993fc6bc254d53fe3", kill_on_drop: false }`
[INFO] [stdout] 41bf32ead8e537515a3251a632fefb337caaaf342fc3052993fc6bc254d53fe3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4ee760e0dc9cae7609d21aebe23be77598a14a028634eab208e50b39d4c0198c
[INFO] running `Command { std: "docker" "start" "-a" "4ee760e0dc9cae7609d21aebe23be77598a14a028634eab208e50b39d4c0198c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `r3`
[INFO] [stderr]   --> src/main.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |     let r3 = r2 + r1;
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_r3`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r4`
[INFO] [stderr]   --> src/main.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let r4 = MyRange::<i8>::new(-1, 20, 3);
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_r4`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ru8`
[INFO] [stderr]   --> src/main.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let ru8: MyRange<u8> = r1.to();
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ru8`
[INFO] [stderr] 
[INFO] [stderr] warning: `myrange` (bin "myrange" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/myrange-98123ebff15bb509)
[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" "4ee760e0dc9cae7609d21aebe23be77598a14a028634eab208e50b39d4c0198c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ee760e0dc9cae7609d21aebe23be77598a14a028634eab208e50b39d4c0198c", kill_on_drop: false }`
[INFO] [stdout] 4ee760e0dc9cae7609d21aebe23be77598a14a028634eab208e50b39d4c0198c