[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 beta-2021-09-08 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-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/conradludgate/rust-basics on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-7/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" "+beta-2021-09-08" "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-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56bbc2a76069ac0875eb674959b09463f9e0e7de711b64cad268be47912b1ec2
[INFO] running `Command { std: "docker" "start" "-a" "56bbc2a76069ac0875eb674959b09463f9e0e7de711b64cad268be47912b1ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56bbc2a76069ac0875eb674959b09463f9e0e7de711b64cad268be47912b1ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56bbc2a76069ac0875eb674959b09463f9e0e7de711b64cad268be47912b1ec2", kill_on_drop: false }`
[INFO] [stdout] 56bbc2a76069ac0875eb674959b09463f9e0e7de711b64cad268be47912b1ec2
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfcbbf348e5486b0f75c12e1f9c07388fd4b6c3a868d395474a451b3aa2dc3a3
[INFO] running `Command { std: "docker" "start" "-a" "dfcbbf348e5486b0f75c12e1f9c07388fd4b6c3a868d395474a451b3aa2dc3a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir/02-variables)
[INFO] [stderr]    Compiling types v0.1.0 (/opt/rustwide/workdir/10-types)
[INFO] [stderr]    Compiling errors v0.1.0 (/opt/rustwide/workdir/08-errors)
[INFO] [stderr]    Compiling functions v0.1.0 (/opt/rustwide/workdir/05-functions)
[INFO] [stderr]    Compiling control-flow v0.1.0 (/opt/rustwide/workdir/07-control-flow)
[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 modules v0.1.0 (/opt/rustwide/workdir/09-modules)
[INFO] [stderr]    Compiling strings v0.1.0 (/opt/rustwide/workdir/03-strings)
[INFO] [stderr]    Compiling traits v0.1.0 (/opt/rustwide/workdir/11-traits)
[INFO] [stderr]    Compiling hello-world v0.1.0 (/opt/rustwide/workdir/01-hello-world)
[INFO] [stderr]    Compiling arrays v0.1.0 (/opt/rustwide/workdir/04-arrays)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "dfcbbf348e5486b0f75c12e1f9c07388fd4b6c3a868d395474a451b3aa2dc3a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfcbbf348e5486b0f75c12e1f9c07388fd4b6c3a868d395474a451b3aa2dc3a3", kill_on_drop: false }`
[INFO] [stdout] dfcbbf348e5486b0f75c12e1f9c07388fd4b6c3a868d395474a451b3aa2dc3a3
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7768aae01406a652b243c030cf18abf9bd4c9aa71ba13a87c3fd2084485e0d16
[INFO] running `Command { std: "docker" "start" "-a" "7768aae01406a652b243c030cf18abf9bd4c9aa71ba13a87c3fd2084485e0d16", kill_on_drop: false }`
[INFO] [stderr]    Compiling functions v0.1.0 (/opt/rustwide/workdir/05-functions)
[INFO] [stderr]    Compiling traits v0.1.0 (/opt/rustwide/workdir/11-traits)
[INFO] [stderr]    Compiling ownership v0.1.0 (/opt/rustwide/workdir/06-ownership)
[INFO] [stderr]    Compiling control-flow v0.1.0 (/opt/rustwide/workdir/07-control-flow)
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir/02-variables)
[INFO] [stderr]    Compiling types v0.1.0 (/opt/rustwide/workdir/10-types)
[INFO] [stderr]    Compiling strings v0.1.0 (/opt/rustwide/workdir/03-strings)
[INFO] [stderr]    Compiling modules v0.1.0 (/opt/rustwide/workdir/09-modules)
[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 errors v0.1.0 (/opt/rustwide/workdir/08-errors)
[INFO] [stderr]    Compiling arrays v0.1.0 (/opt/rustwide/workdir/04-arrays)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.08s
[INFO] running `Command { std: "docker" "inspect" "7768aae01406a652b243c030cf18abf9bd4c9aa71ba13a87c3fd2084485e0d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7768aae01406a652b243c030cf18abf9bd4c9aa71ba13a87c3fd2084485e0d16", kill_on_drop: false }`
[INFO] [stdout] 7768aae01406a652b243c030cf18abf9bd4c9aa71ba13a87c3fd2084485e0d16
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c067e080c35e2baf02fd41e7e636d7061a76f922682529bf638959fb23cc59f
[INFO] running `Command { std: "docker" "start" "-a" "9c067e080c35e2baf02fd41e7e636d7061a76f922682529bf638959fb23cc59f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arrays-bd6b56b9667f5661)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/control_flow-d371f44bd201fd2e)
[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/errors-7e3c023a5841dee5)
[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/functions-cc8ce9f4dbcf8aab)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_world-5099fcca5fbc2800)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iterators-a98182589705e0c7)
[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/modules-caa85ccf6ae662ca)
[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-8e7266797b1ec7c5)
[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/strings-6e150bcb6c6cd3fc)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/traits-79231266e8a8c655)
[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] [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-0168490d7c7ceb39)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/variables-a15146f050c36853)
[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" "9c067e080c35e2baf02fd41e7e636d7061a76f922682529bf638959fb23cc59f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c067e080c35e2baf02fd41e7e636d7061a76f922682529bf638959fb23cc59f", kill_on_drop: false }`
[INFO] [stdout] 9c067e080c35e2baf02fd41e7e636d7061a76f922682529bf638959fb23cc59f