[INFO] cloning repository https://github.com/krisn2/rustcodesheet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krisn2/rustcodesheet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrisn2%2Frustcodesheet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrisn2%2Frustcodesheet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c5ffa47267d23b301544ac720a22e6c9a860d62
[INFO] testing krisn2/rustcodesheet against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrisn2%2Frustcodesheet" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/krisn2/rustcodesheet
[INFO] finished tweaking git repo https://github.com/krisn2/rustcodesheet
[INFO] tweaked toml for git repo https://github.com/krisn2/rustcodesheet written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/krisn2/rustcodesheet on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/krisn2/rustcodesheet 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31f422013a12a2b65877562b97e5e48f65fda24e7bc25a536b277a120277325f
[INFO] running `Command { std: "docker" "start" "-a" "31f422013a12a2b65877562b97e5e48f65fda24e7bc25a536b277a120277325f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31f422013a12a2b65877562b97e5e48f65fda24e7bc25a536b277a120277325f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31f422013a12a2b65877562b97e5e48f65fda24e7bc25a536b277a120277325f", kill_on_drop: false }`
[INFO] [stdout] 31f422013a12a2b65877562b97e5e48f65fda24e7bc25a536b277a120277325f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0b393067df3d40b2ee7df7f1602a62af303c54f728ec4deafb543a9f3af0eb2
[INFO] running `Command { std: "docker" "start" "-a" "e0b393067df3d40b2ee7df7f1602a62af303c54f728ec4deafb543a9f3af0eb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustconcept v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `x` is assigned to, but never used
[INFO] [stdout]  --> src/mythread.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut x =0u128;
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider using `_x` instead
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dog` is never constructed
[INFO] [stdout]   --> src/traits_rust.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Dog {}
[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 0.67s
[INFO] running `Command { std: "docker" "inspect" "e0b393067df3d40b2ee7df7f1602a62af303c54f728ec4deafb543a9f3af0eb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0b393067df3d40b2ee7df7f1602a62af303c54f728ec4deafb543a9f3af0eb2", kill_on_drop: false }`
[INFO] [stdout] e0b393067df3d40b2ee7df7f1602a62af303c54f728ec4deafb543a9f3af0eb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b65ba4521592c2fd8c1bef4b66e9f81b809066c19152a101a63eb6f019bd7ec
[INFO] running `Command { std: "docker" "start" "-a" "3b65ba4521592c2fd8c1bef4b66e9f81b809066c19152a101a63eb6f019bd7ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustconcept v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `x` is assigned to, but never used
[INFO] [stdout]  --> src/mythread.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut x =0u128;
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider using `_x` instead
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dog` is never constructed
[INFO] [stdout]   --> src/traits_rust.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Dog {}
[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 0.26s
[INFO] running `Command { std: "docker" "inspect" "3b65ba4521592c2fd8c1bef4b66e9f81b809066c19152a101a63eb6f019bd7ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b65ba4521592c2fd8c1bef4b66e9f81b809066c19152a101a63eb6f019bd7ec", kill_on_drop: false }`
[INFO] [stdout] 3b65ba4521592c2fd8c1bef4b66e9f81b809066c19152a101a63eb6f019bd7ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 03b01d54c5d48e782c6a5e3ccb2efe19b679ca093f13b53052862b2c21ee3b68
[INFO] running `Command { std: "docker" "start" "-a" "03b01d54c5d48e782c6a5e3ccb2efe19b679ca093f13b53052862b2c21ee3b68", kill_on_drop: false }`
[INFO] [stderr] warning: variable `x` is assigned to, but never used
[INFO] [stderr]  --> src/mythread.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let mut x =0u128;
[INFO] [stderr]   |             ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: consider using `_x` instead
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Dog` is never constructed
[INFO] [stderr]   --> src/traits_rust.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Dog {}
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rustconcept` (bin "rustconcept" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustconcept-b111bf46a2f7a329)
[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" "03b01d54c5d48e782c6a5e3ccb2efe19b679ca093f13b53052862b2c21ee3b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b01d54c5d48e782c6a5e3ccb2efe19b679ca093f13b53052862b2c21ee3b68", kill_on_drop: false }`
[INFO] [stdout] 03b01d54c5d48e782c6a5e3ccb2efe19b679ca093f13b53052862b2c21ee3b68