[INFO] cloning repository https://github.com/ezesundayeze/rust-challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ezesundayeze/rust-challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fezesundayeze%2Frust-challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fezesundayeze%2Frust-challenges'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70ba9d946f4105364755bd9ff176f2cebbec6e50
[INFO] testing ezesundayeze/rust-challenges 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%2Fezesundayeze%2Frust-challenges" "/workspace/builds/worker-99/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-99/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ezesundayeze/rust-challenges 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/ezesundayeze/rust-challenges
[INFO] finished tweaking git repo https://github.com/ezesundayeze/rust-challenges
[INFO] tweaked toml for git repo https://github.com/ezesundayeze/rust-challenges written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] crate git repo https://github.com/ezesundayeze/rust-challenges 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] 3e403df5242837b3f7f53d32bf40860130e14d34a681d804cda241d29cf98f89
[INFO] running `Command { std: "docker" "start" "-a" "3e403df5242837b3f7f53d32bf40860130e14d34a681d804cda241d29cf98f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e403df5242837b3f7f53d32bf40860130e14d34a681d804cda241d29cf98f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e403df5242837b3f7f53d32bf40860130e14d34a681d804cda241d29cf98f89", kill_on_drop: false }`
[INFO] [stdout] 3e403df5242837b3f7f53d32bf40860130e14d34a681d804cda241d29cf98f89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] 0c124502915b033d111fbb93567bfea5664788eb70ceb171879cf7dcd73e10fd
[INFO] running `Command { std: "docker" "start" "-a" "0c124502915b033d111fbb93567bfea5664788eb70ceb171879cf7dcd73e10fd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling challenges v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "0c124502915b033d111fbb93567bfea5664788eb70ceb171879cf7dcd73e10fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c124502915b033d111fbb93567bfea5664788eb70ceb171879cf7dcd73e10fd", kill_on_drop: false }`
[INFO] [stdout] 0c124502915b033d111fbb93567bfea5664788eb70ceb171879cf7dcd73e10fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] 5aa5ff68e2562834168e82b4ffe9bf8134bdb866ceb94e047c45c321b378a82a
[INFO] running `Command { std: "docker" "start" "-a" "5aa5ff68e2562834168e82b4ffe9bf8134bdb866ceb94e047c45c321b378a82a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling challenges v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.94s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/challenges-2dae800d3fb52165)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/challenges-9d63efb35a69b87b)
[INFO] running `Command { std: "docker" "inspect" "5aa5ff68e2562834168e82b4ffe9bf8134bdb866ceb94e047c45c321b378a82a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aa5ff68e2562834168e82b4ffe9bf8134bdb866ceb94e047c45c321b378a82a", kill_on_drop: false }`
[INFO] [stdout] 5aa5ff68e2562834168e82b4ffe9bf8134bdb866ceb94e047c45c321b378a82a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] 1ae2355271f73b3e1b775d665621be7c330d61b5995d55ea98a32dd80afb2bb2
[INFO] running `Command { std: "docker" "start" "-a" "1ae2355271f73b3e1b775d665621be7c330d61b5995d55ea98a32dd80afb2bb2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 46.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/challenges-2dae800d3fb52165)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/challenges-9d63efb35a69b87b)
[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] [stdout] 
[INFO] [stderr]    Doc-tests challenges
[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] [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" "1ae2355271f73b3e1b775d665621be7c330d61b5995d55ea98a32dd80afb2bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ae2355271f73b3e1b775d665621be7c330d61b5995d55ea98a32dd80afb2bb2", kill_on_drop: false }`
[INFO] [stdout] 1ae2355271f73b3e1b775d665621be7c330d61b5995d55ea98a32dd80afb2bb2