[INFO] cloning repository https://github.com/krisn2/logicbuilding_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krisn2/logicbuilding_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrisn2%2Flogicbuilding_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrisn2%2Flogicbuilding_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80eaf3b62c2ff1fef7c74383d7c6e7eff9f21b9d
[INFO] building krisn2/logicbuilding_rust against try#9a3ef2cd3ecaae3c6ef59768612837d797602a6d for pr-137044-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrisn2%2Flogicbuilding_rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/krisn2/logicbuilding_rust on toolchain 9a3ef2cd3ecaae3c6ef59768612837d797602a6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/krisn2/logicbuilding_rust
[INFO] finished tweaking git repo https://github.com/krisn2/logicbuilding_rust
[INFO] tweaked toml for git repo https://github.com/krisn2/logicbuilding_rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/krisn2/logicbuilding_rust 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" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30747c66237d8d02a62da39a44e823fce237c2c48cd142ecc05931e593a00c02
[INFO] running `Command { std: "docker" "start" "-a" "30747c66237d8d02a62da39a44e823fce237c2c48cd142ecc05931e593a00c02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30747c66237d8d02a62da39a44e823fce237c2c48cd142ecc05931e593a00c02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30747c66237d8d02a62da39a44e823fce237c2c48cd142ecc05931e593a00c02", kill_on_drop: false }`
[INFO] [stdout] 30747c66237d8d02a62da39a44e823fce237c2c48cd142ecc05931e593a00c02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13811d949b7055bec4c91a4d36cfbf2ffc48ca06caf4fc60e7321eac67a8816d
[INFO] running `Command { std: "docker" "start" "-a" "13811d949b7055bec4c91a4d36cfbf2ffc48ca06caf4fc60e7321eac67a8816d", kill_on_drop: false }`
[INFO] [stderr]    Compiling logicbuilding_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `arr` is never read
[INFO] [stdout]  --> src/findodd.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut arr = Vec::new();
[INFO] [stdout]   |             ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "13811d949b7055bec4c91a4d36cfbf2ffc48ca06caf4fc60e7321eac67a8816d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13811d949b7055bec4c91a4d36cfbf2ffc48ca06caf4fc60e7321eac67a8816d", kill_on_drop: false }`
[INFO] [stdout] 13811d949b7055bec4c91a4d36cfbf2ffc48ca06caf4fc60e7321eac67a8816d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35047b551df4b9ceb32ad326443fe2a5ab3399d91fe281d3fe8d253bdf75aeb3
[INFO] running `Command { std: "docker" "start" "-a" "35047b551df4b9ceb32ad326443fe2a5ab3399d91fe281d3fe8d253bdf75aeb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling logicbuilding_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `arr` is never read
[INFO] [stdout]  --> src/findodd.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut arr = Vec::new();
[INFO] [stdout]   |             ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "35047b551df4b9ceb32ad326443fe2a5ab3399d91fe281d3fe8d253bdf75aeb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35047b551df4b9ceb32ad326443fe2a5ab3399d91fe281d3fe8d253bdf75aeb3", kill_on_drop: false }`
[INFO] [stdout] 35047b551df4b9ceb32ad326443fe2a5ab3399d91fe281d3fe8d253bdf75aeb3