[INFO] cloning repository https://github.com/kuanxiang/coding-dojo-rust-001
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kuanxiang/coding-dojo-rust-001" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuanxiang%2Fcoding-dojo-rust-001", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuanxiang%2Fcoding-dojo-rust-001'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8ac14bd0b5ff8c8391e57d00572ac2c7f4f9afd
[INFO] testing kuanxiang/coding-dojo-rust-001 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%2Fkuanxiang%2Fcoding-dojo-rust-001" "/workspace/builds/worker-43/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-43/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kuanxiang/coding-dojo-rust-001 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/kuanxiang/coding-dojo-rust-001
[INFO] finished tweaking git repo https://github.com/kuanxiang/coding-dojo-rust-001
[INFO] tweaked toml for git repo https://github.com/kuanxiang/coding-dojo-rust-001 written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] crate git repo https://github.com/kuanxiang/coding-dojo-rust-001 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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] bf09efaca08de4e5fbaa8a28a4f45358bd86c510cb688a483392afaf2900e2a2
[INFO] running `Command { std: "docker" "start" "-a" "bf09efaca08de4e5fbaa8a28a4f45358bd86c510cb688a483392afaf2900e2a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf09efaca08de4e5fbaa8a28a4f45358bd86c510cb688a483392afaf2900e2a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf09efaca08de4e5fbaa8a28a4f45358bd86c510cb688a483392afaf2900e2a2", kill_on_drop: false }`
[INFO] [stdout] bf09efaca08de4e5fbaa8a28a4f45358bd86c510cb688a483392afaf2900e2a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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] 754679e987dd90e98ce4656bc57dae7f01a79ce4900ae10d18544079fe8c05b8
[INFO] running `Command { std: "docker" "start" "-a" "754679e987dd90e98ce4656bc57dae7f01a79ce4900ae10d18544079fe8c05b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling coding-dojo-rust-001 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]  --> src/main.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn add(a: i64, b: i64) -> i64 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sub`
[INFO] [stdout]   --> src/main.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn sub(a: i64, b: i64) -> i64 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mul`
[INFO] [stdout]   --> src/main.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn mul(a: i64, b: i64) -> i64 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "754679e987dd90e98ce4656bc57dae7f01a79ce4900ae10d18544079fe8c05b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "754679e987dd90e98ce4656bc57dae7f01a79ce4900ae10d18544079fe8c05b8", kill_on_drop: false }`
[INFO] [stdout] 754679e987dd90e98ce4656bc57dae7f01a79ce4900ae10d18544079fe8c05b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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] 3913c3e689930a9f29302559b63b374d32fc91518dec6fe8950230c68ee997af
[INFO] running `Command { std: "docker" "start" "-a" "3913c3e689930a9f29302559b63b374d32fc91518dec6fe8950230c68ee997af", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling coding-dojo-rust-001 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/coding_dojo_rust_001-f4b99e225a1555c0)
[INFO] running `Command { std: "docker" "inspect" "3913c3e689930a9f29302559b63b374d32fc91518dec6fe8950230c68ee997af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3913c3e689930a9f29302559b63b374d32fc91518dec6fe8950230c68ee997af", kill_on_drop: false }`
[INFO] [stdout] 3913c3e689930a9f29302559b63b374d32fc91518dec6fe8950230c68ee997af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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] 4c010197f5cea6a9d0d39ae2492e0d4773bf328d0ed6c567efe903a7457eb4b2
[INFO] running `Command { std: "docker" "start" "-a" "4c010197f5cea6a9d0d39ae2492e0d4773bf328d0ed6c567efe903a7457eb4b2", 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/coding_dojo_rust_001-f4b99e225a1555c0)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_add ... ok
[INFO] [stdout] test test_sub ... ok
[INFO] [stdout] test test_mul ... 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] running `Command { std: "docker" "inspect" "4c010197f5cea6a9d0d39ae2492e0d4773bf328d0ed6c567efe903a7457eb4b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c010197f5cea6a9d0d39ae2492e0d4773bf328d0ed6c567efe903a7457eb4b2", kill_on_drop: false }`
[INFO] [stdout] 4c010197f5cea6a9d0d39ae2492e0d4773bf328d0ed6c567efe903a7457eb4b2