[INFO] cloning repository https://github.com/conradludgate/rust-basics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/conradludgate/rust-basics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconradludgate%2Frust-basics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconradludgate%2Frust-basics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c96e509cbc4e131237f4988555ba8889cc308ffb
[INFO] testing conradludgate/rust-basics against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconradludgate%2Frust-basics" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/conradludgate/rust-basics on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/conradludgate/rust-basics
[INFO] finished tweaking git repo https://github.com/conradludgate/rust-basics
[INFO] tweaked toml for git repo https://github.com/conradludgate/rust-basics written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/conradludgate/rust-basics already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95f0e229a744739baa1924ed12ad14b9c2d23c6e3b909739e3f1992c9683b585
[INFO] running `Command { std: "docker" "start" "-a" "95f0e229a744739baa1924ed12ad14b9c2d23c6e3b909739e3f1992c9683b585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95f0e229a744739baa1924ed12ad14b9c2d23c6e3b909739e3f1992c9683b585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95f0e229a744739baa1924ed12ad14b9c2d23c6e3b909739e3f1992c9683b585", kill_on_drop: false }`
[INFO] [stdout] 95f0e229a744739baa1924ed12ad14b9c2d23c6e3b909739e3f1992c9683b585
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 656099c8511be414b9dddde103cda7a56ef1562e7ca684bf491c438c356ce9f8
[INFO] running `Command { std: "docker" "start" "-a" "656099c8511be414b9dddde103cda7a56ef1562e7ca684bf491c438c356ce9f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir/02-variables)
[INFO] [stderr]    Compiling modules v0.1.0 (/opt/rustwide/workdir/09-modules)
[INFO] [stderr]    Compiling types v0.1.0 (/opt/rustwide/workdir/10-types)
[INFO] [stderr]    Compiling traits v0.1.0 (/opt/rustwide/workdir/11-traits)
[INFO] [stderr]    Compiling control-flow v0.1.0 (/opt/rustwide/workdir/07-control-flow)
[INFO] [stderr]    Compiling arrays v0.1.0 (/opt/rustwide/workdir/04-arrays)
[INFO] [stderr]    Compiling strings v0.1.0 (/opt/rustwide/workdir/03-strings)
[INFO] [stderr]    Compiling ownership v0.1.0 (/opt/rustwide/workdir/06-ownership)
[INFO] [stderr]    Compiling iterators v0.1.0 (/opt/rustwide/workdir/12-iterators)
[INFO] [stderr]    Compiling hello-world v0.1.0 (/opt/rustwide/workdir/01-hello-world)
[INFO] [stderr]    Compiling functions v0.1.0 (/opt/rustwide/workdir/05-functions)
[INFO] [stderr]    Compiling errors v0.1.0 (/opt/rustwide/workdir/08-errors)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "656099c8511be414b9dddde103cda7a56ef1562e7ca684bf491c438c356ce9f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "656099c8511be414b9dddde103cda7a56ef1562e7ca684bf491c438c356ce9f8", kill_on_drop: false }`
[INFO] [stdout] 656099c8511be414b9dddde103cda7a56ef1562e7ca684bf491c438c356ce9f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e77f5e16c9eb440aaf7e786d483326b6eb6c67032f150a80f419d725fee0199
[INFO] running `Command { std: "docker" "start" "-a" "9e77f5e16c9eb440aaf7e786d483326b6eb6c67032f150a80f419d725fee0199", kill_on_drop: false }`
[INFO] [stderr]    Compiling strings v0.1.0 (/opt/rustwide/workdir/03-strings)
[INFO] [stderr]    Compiling hello-world v0.1.0 (/opt/rustwide/workdir/01-hello-world)
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir/02-variables)
[INFO] [stderr]    Compiling functions v0.1.0 (/opt/rustwide/workdir/05-functions)
[INFO] [stderr]    Compiling errors v0.1.0 (/opt/rustwide/workdir/08-errors)
[INFO] [stderr]    Compiling iterators v0.1.0 (/opt/rustwide/workdir/12-iterators)
[INFO] [stderr]    Compiling arrays v0.1.0 (/opt/rustwide/workdir/04-arrays)
[INFO] [stderr]    Compiling ownership v0.1.0 (/opt/rustwide/workdir/06-ownership)
[INFO] [stderr]    Compiling modules v0.1.0 (/opt/rustwide/workdir/09-modules)
[INFO] [stderr]    Compiling types v0.1.0 (/opt/rustwide/workdir/10-types)
[INFO] [stderr]    Compiling traits v0.1.0 (/opt/rustwide/workdir/11-traits)
[INFO] [stderr]    Compiling control-flow v0.1.0 (/opt/rustwide/workdir/07-control-flow)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "9e77f5e16c9eb440aaf7e786d483326b6eb6c67032f150a80f419d725fee0199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e77f5e16c9eb440aaf7e786d483326b6eb6c67032f150a80f419d725fee0199", kill_on_drop: false }`
[INFO] [stdout] 9e77f5e16c9eb440aaf7e786d483326b6eb6c67032f150a80f419d725fee0199
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bbde35fc6c2cab8ce0c8e0d97004c0e05eecd16bc84ed896150fd3c00e555335
[INFO] running `Command { std: "docker" "start" "-a" "bbde35fc6c2cab8ce0c8e0d97004c0e05eecd16bc84ed896150fd3c00e555335", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arrays-4de17915f8130de9)
[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 (/opt/rustwide/target/debug/deps/control_flow-e0d2f23ffc5b8a7d)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/errors-d3bf0e9b99bb406b)
[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 (/opt/rustwide/target/debug/deps/functions-146c50a487932884)
[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 (/opt/rustwide/target/debug/deps/hello_world-ae1afbb4476d36e6)
[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] [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 (/opt/rustwide/target/debug/deps/iterators-b25f458a66533cd0)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/modules-7b2f5a526d146f61)
[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 (/opt/rustwide/target/debug/deps/ownership-2cd97b1257a18f53)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/strings-412b8b522c782143)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/traits-de2de37401c7cd9f)
[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] [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 (/opt/rustwide/target/debug/deps/types-f8915f5be48b829e)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/variables-ff597936e7a4bf1b)
[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" "bbde35fc6c2cab8ce0c8e0d97004c0e05eecd16bc84ed896150fd3c00e555335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbde35fc6c2cab8ce0c8e0d97004c0e05eecd16bc84ed896150fd3c00e555335", kill_on_drop: false }`
[INFO] [stdout] bbde35fc6c2cab8ce0c8e0d97004c0e05eecd16bc84ed896150fd3c00e555335