[INFO] cloning repository https://github.com/mjacks23/Supplement-2.6
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mjacks23/Supplement-2.6" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjacks23%2FSupplement-2.6", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjacks23%2FSupplement-2.6'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 192bef6e7e88dfd69b6b412df0bc566b76d6dc52
[INFO] testing mjacks23/Supplement-2.6 against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjacks23%2FSupplement-2.6" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mjacks23/Supplement-2.6
[INFO] finished tweaking git repo https://github.com/mjacks23/Supplement-2.6
[INFO] tweaked toml for git repo https://github.com/mjacks23/Supplement-2.6 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mjacks23/Supplement-2.6 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mjacks23/Supplement-2.6 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80c8a05b6c2d7ceeec5e35d9dc075244df8fa9d3435d4c0a240f1a4b0e514f14
[INFO] running `Command { std: "docker" "start" "-a" "80c8a05b6c2d7ceeec5e35d9dc075244df8fa9d3435d4c0a240f1a4b0e514f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80c8a05b6c2d7ceeec5e35d9dc075244df8fa9d3435d4c0a240f1a4b0e514f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80c8a05b6c2d7ceeec5e35d9dc075244df8fa9d3435d4c0a240f1a4b0e514f14", kill_on_drop: false }`
[INFO] [stdout] 80c8a05b6c2d7ceeec5e35d9dc075244df8fa9d3435d4c0a240f1a4b0e514f14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83cf861496ce2b1aa178b2731725c996748b79ccbe05dc61fb84bdc1efb88d50
[INFO] running `Command { std: "docker" "start" "-a" "83cf861496ce2b1aa178b2731725c996748b79ccbe05dc61fb84bdc1efb88d50", kill_on_drop: false }`
[INFO] [stderr]    Compiling project2_supplement_6 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "83cf861496ce2b1aa178b2731725c996748b79ccbe05dc61fb84bdc1efb88d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83cf861496ce2b1aa178b2731725c996748b79ccbe05dc61fb84bdc1efb88d50", kill_on_drop: false }`
[INFO] [stdout] 83cf861496ce2b1aa178b2731725c996748b79ccbe05dc61fb84bdc1efb88d50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0348128fc837cb0bf14f8cae2a80b3d456479702498084c5f48df8185f4d319
[INFO] running `Command { std: "docker" "start" "-a" "b0348128fc837cb0bf14f8cae2a80b3d456479702498084c5f48df8185f4d319", kill_on_drop: false }`
[INFO] [stderr]    Compiling project2_supplement_6 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "b0348128fc837cb0bf14f8cae2a80b3d456479702498084c5f48df8185f4d319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0348128fc837cb0bf14f8cae2a80b3d456479702498084c5f48df8185f4d319", kill_on_drop: false }`
[INFO] [stdout] b0348128fc837cb0bf14f8cae2a80b3d456479702498084c5f48df8185f4d319
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aa91482d19d7bc45429b794d1cbda3b9c04c9e4ec0a50c4ea78133952ae83dce
[INFO] running `Command { std: "docker" "start" "-a" "aa91482d19d7bc45429b794d1cbda3b9c04c9e4ec0a50c4ea78133952ae83dce", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/project2_supplement_6-95eb486d4bda6662)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/project2_supplement_6-252a9c595cc80834)
[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] [stderr]      Running tests/lib_tests.rs (/opt/rustwide/target/debug/deps/lib_tests-cf0c11e14abc2309)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_is_palindrome ... ok
[INFO] [stdout] test test_most_common_chars ... ok
[INFO] [stderr]    Doc-tests project2_supplement_6
[INFO] [stdout] test test_reverse_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "aa91482d19d7bc45429b794d1cbda3b9c04c9e4ec0a50c4ea78133952ae83dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa91482d19d7bc45429b794d1cbda3b9c04c9e4ec0a50c4ea78133952ae83dce", kill_on_drop: false }`
[INFO] [stdout] aa91482d19d7bc45429b794d1cbda3b9c04c9e4ec0a50c4ea78133952ae83dce