[INFO] cloning repository https://github.com/yingyangcode/cracking-the-coding-interview-with-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yingyangcode/cracking-the-coding-interview-with-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyingyangcode%2Fcracking-the-coding-interview-with-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyingyangcode%2Fcracking-the-coding-interview-with-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c3d5dccdfb21787aa98b6cb838e4165c301b6117
[INFO] testing yingyangcode/cracking-the-coding-interview-with-rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyingyangcode%2Fcracking-the-coding-interview-with-rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yingyangcode/cracking-the-coding-interview-with-rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yingyangcode/cracking-the-coding-interview-with-rust
[INFO] finished tweaking git repo https://github.com/yingyangcode/cracking-the-coding-interview-with-rust
[INFO] tweaked toml for git repo https://github.com/yingyangcode/cracking-the-coding-interview-with-rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/yingyangcode/cracking-the-coding-interview-with-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dac1a4f2b44903a1c434771f465fced0a49b3a558789fece3867bf5984fc8d88
[INFO] running `Command { std: "docker" "start" "-a" "dac1a4f2b44903a1c434771f465fced0a49b3a558789fece3867bf5984fc8d88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dac1a4f2b44903a1c434771f465fced0a49b3a558789fece3867bf5984fc8d88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dac1a4f2b44903a1c434771f465fced0a49b3a558789fece3867bf5984fc8d88", kill_on_drop: false }`
[INFO] [stdout] dac1a4f2b44903a1c434771f465fced0a49b3a558789fece3867bf5984fc8d88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f1615ed6c9fccf327f351054898c738cb89e63df527f7837ecb28143818ce04
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4f1615ed6c9fccf327f351054898c738cb89e63df527f7837ecb28143818ce04", kill_on_drop: false }`
[INFO] [stderr]    Compiling cracking-the-coding-interview-with-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.97s
[INFO] running `Command { std: "docker" "inspect" "4f1615ed6c9fccf327f351054898c738cb89e63df527f7837ecb28143818ce04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f1615ed6c9fccf327f351054898c738cb89e63df527f7837ecb28143818ce04", kill_on_drop: false }`
[INFO] [stdout] 4f1615ed6c9fccf327f351054898c738cb89e63df527f7837ecb28143818ce04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ca5f213bf0c15e5ea9bab3562a9bc3f7113c6a7ca45d7664744ef305c1c7e91
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4ca5f213bf0c15e5ea9bab3562a9bc3f7113c6a7ca45d7664744ef305c1c7e91", kill_on_drop: false }`
[INFO] [stderr]    Compiling cracking-the-coding-interview-with-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.42s
[INFO] [stderr]   Executable unittests src/bin/ch01p1.rs (/opt/rustwide/target/debug/deps/ch01p1-5ac07dbd59718185)
[INFO] [stderr]   Executable unittests src/bin/ch01p2.rs (/opt/rustwide/target/debug/deps/ch01p2-63df5065546e070b)
[INFO] [stderr]   Executable unittests src/bin/ch01p3.rs (/opt/rustwide/target/debug/deps/ch01p3-dd6b0eb2bb128285)
[INFO] [stderr]   Executable unittests src/bin/ch01p4.rs (/opt/rustwide/target/debug/deps/ch01p4-51fd4836e5e4e115)
[INFO] running `Command { std: "docker" "inspect" "4ca5f213bf0c15e5ea9bab3562a9bc3f7113c6a7ca45d7664744ef305c1c7e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ca5f213bf0c15e5ea9bab3562a9bc3f7113c6a7ca45d7664744ef305c1c7e91", kill_on_drop: false }`
[INFO] [stdout] 4ca5f213bf0c15e5ea9bab3562a9bc3f7113c6a7ca45d7664744ef305c1c7e91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 679be2b73f98574536595a3404b4201977a284c87e5b96397ed287b1b084885c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "679be2b73f98574536595a3404b4201977a284c87e5b96397ed287b1b084885c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/bin/ch01p1.rs (/opt/rustwide/target/debug/deps/ch01p1-5ac07dbd59718185)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_part_a ... ok
[INFO] [stderr]      Running unittests src/bin/ch01p2.rs (/opt/rustwide/target/debug/deps/ch01p2-63df5065546e070b)
[INFO] [stdout] test tests::test_part_b ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/ch01p3.rs (/opt/rustwide/target/debug/deps/ch01p3-dd6b0eb2bb128285)
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests src/bin/ch01p4.rs (/opt/rustwide/target/debug/deps/ch01p4-51fd4836e5e4e115)
[INFO] [stdout] test tests::test_urlify ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_palindrome_permutation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "679be2b73f98574536595a3404b4201977a284c87e5b96397ed287b1b084885c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "679be2b73f98574536595a3404b4201977a284c87e5b96397ed287b1b084885c", kill_on_drop: false }`
[INFO] [stdout] 679be2b73f98574536595a3404b4201977a284c87e5b96397ed287b1b084885c