[INFO] cloning repository https://github.com/eklein09/ctci_rust_lesson1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eklein09/ctci_rust_lesson1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feklein09%2Fctci_rust_lesson1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feklein09%2Fctci_rust_lesson1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25b85aa2949e43c42ca0f2c3d9ffd01ebb3e25c4
[INFO] testing eklein09/ctci_rust_lesson1 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%2Feklein09%2Fctci_rust_lesson1" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eklein09/ctci_rust_lesson1 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/eklein09/ctci_rust_lesson1
[INFO] finished tweaking git repo https://github.com/eklein09/ctci_rust_lesson1
[INFO] tweaked toml for git repo https://github.com/eklein09/ctci_rust_lesson1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/eklein09/ctci_rust_lesson1 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41d0fb99ad9821a0e33eefb79580ca35c3726bb5a21d41624a6d547996ac41c6
[INFO] running `Command { std: "docker" "start" "-a" "41d0fb99ad9821a0e33eefb79580ca35c3726bb5a21d41624a6d547996ac41c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41d0fb99ad9821a0e33eefb79580ca35c3726bb5a21d41624a6d547996ac41c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41d0fb99ad9821a0e33eefb79580ca35c3726bb5a21d41624a6d547996ac41c6", kill_on_drop: false }`
[INFO] [stdout] 41d0fb99ad9821a0e33eefb79580ca35c3726bb5a21d41624a6d547996ac41c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4396df7a1b10d9d90850ef609d3ae6619f79178a03da879b2fdb5fdeef7c41e1
[INFO] running `Command { std: "docker" "start" "-a" "4396df7a1b10d9d90850ef609d3ae6619f79178a03da879b2fdb5fdeef7c41e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling counter v0.5.2
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling lesson1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `is_unique`
[INFO] [stdout]   --> src/main.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn is_unique(s: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_anagram`
[INFO] [stdout]   --> src/main.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn is_anagram(a: &str, b: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `string_compression`
[INFO] [stdout]  --> src/compression.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn string_compression(s: &str) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `urlify`
[INFO] [stdout]  --> src/urlify.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn urlify(a: &str) -> String {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `common_prefix`
[INFO] [stdout]  --> src/common_prefix.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn common_prefix(a: String, b: String) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `longest_common_prefix`
[INFO] [stdout]   --> src/common_prefix.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn longest_common_prefix(strs: Vec<String>) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.22s
[INFO] running `Command { std: "docker" "inspect" "4396df7a1b10d9d90850ef609d3ae6619f79178a03da879b2fdb5fdeef7c41e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4396df7a1b10d9d90850ef609d3ae6619f79178a03da879b2fdb5fdeef7c41e1", kill_on_drop: false }`
[INFO] [stdout] 4396df7a1b10d9d90850ef609d3ae6619f79178a03da879b2fdb5fdeef7c41e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17c8aa645e8489259e24212111a4cfc2cb49a60a4dbb5517ec68cd471d979897
[INFO] running `Command { std: "docker" "start" "-a" "17c8aa645e8489259e24212111a4cfc2cb49a60a4dbb5517ec68cd471d979897", kill_on_drop: false }`
[INFO] [stderr]    Compiling lesson1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/lesson1-61e341e6ad6b02fd)
[INFO] running `Command { std: "docker" "inspect" "17c8aa645e8489259e24212111a4cfc2cb49a60a4dbb5517ec68cd471d979897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17c8aa645e8489259e24212111a4cfc2cb49a60a4dbb5517ec68cd471d979897", kill_on_drop: false }`
[INFO] [stdout] 17c8aa645e8489259e24212111a4cfc2cb49a60a4dbb5517ec68cd471d979897
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a6954d834e4247de371233e14e4ffb041c3f8122f32429bd8a5a4b7a66bfd1e1
[INFO] running `Command { std: "docker" "start" "-a" "a6954d834e4247de371233e14e4ffb041c3f8122f32429bd8a5a4b7a66bfd1e1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lesson1-61e341e6ad6b02fd)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test compression::tests::test_compression3 ... ok
[INFO] [stdout] test common_prefix::tests::test1 ... ok
[INFO] [stdout] test common_prefix::tests::test2 ... ok
[INFO] [stdout] test compression::tests::test_compression ... ok
[INFO] [stdout] test compression::tests::test_compression2 ... ok
[INFO] [stdout] test tests::anagram_false ... ok
[INFO] [stdout] test tests::anagram_true ... ok
[INFO] [stdout] test tests::test_duplicate ... ok
[INFO] [stdout] test tests::test_unique ... ok
[INFO] [stdout] test urlify::tests::urlify_john_smith ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a6954d834e4247de371233e14e4ffb041c3f8122f32429bd8a5a4b7a66bfd1e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6954d834e4247de371233e14e4ffb041c3f8122f32429bd8a5a4b7a66bfd1e1", kill_on_drop: false }`
[INFO] [stdout] a6954d834e4247de371233e14e4ffb041c3f8122f32429bd8a5a4b7a66bfd1e1