[INFO] cloning repository https://github.com/cfsamson/rust-introduction-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cfsamson/rust-introduction-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfsamson%2Frust-introduction-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfsamson%2Frust-introduction-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3691ea4de4eb1a00318b5d208633e15d9b44d58
[INFO] testing cfsamson/rust-introduction-example 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%2Fcfsamson%2Frust-introduction-example" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cfsamson/rust-introduction-example 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/cfsamson/rust-introduction-example
[INFO] finished tweaking git repo https://github.com/cfsamson/rust-introduction-example
[INFO] tweaked toml for git repo https://github.com/cfsamson/rust-introduction-example written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/cfsamson/rust-introduction-example 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-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 70b8b4965942b72b9b5b83b18cac30801b111c271082e6a684219945c600d672
[INFO] running `Command { std: "docker" "start" "-a" "70b8b4965942b72b9b5b83b18cac30801b111c271082e6a684219945c600d672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70b8b4965942b72b9b5b83b18cac30801b111c271082e6a684219945c600d672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70b8b4965942b72b9b5b83b18cac30801b111c271082e6a684219945c600d672", kill_on_drop: false }`
[INFO] [stdout] 70b8b4965942b72b9b5b83b18cac30801b111c271082e6a684219945c600d672
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 678003c60760ef1a9301468b5672ab396542772494b1c569fd465cc3dc7cb021
[INFO] running `Command { std: "docker" "start" "-a" "678003c60760ef1a9301468b5672ab396542772494b1c569fd465cc3dc7cb021", kill_on_drop: false }`
[INFO] [stderr]    Compiling slotvec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "678003c60760ef1a9301468b5672ab396542772494b1c569fd465cc3dc7cb021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "678003c60760ef1a9301468b5672ab396542772494b1c569fd465cc3dc7cb021", kill_on_drop: false }`
[INFO] [stdout] 678003c60760ef1a9301468b5672ab396542772494b1c569fd465cc3dc7cb021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] cf659e1e271ec7e1ecf1f8b2a863e9accafb38f940d50614eb17ca888255fb78
[INFO] running `Command { std: "docker" "start" "-a" "cf659e1e271ec7e1ecf1f8b2a863e9accafb38f940d50614eb17ca888255fb78", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling slotvec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/slotvec-bec5f524293a4123)
[INFO] running `Command { std: "docker" "inspect" "cf659e1e271ec7e1ecf1f8b2a863e9accafb38f940d50614eb17ca888255fb78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf659e1e271ec7e1ecf1f8b2a863e9accafb38f940d50614eb17ca888255fb78", kill_on_drop: false }`
[INFO] [stdout] cf659e1e271ec7e1ecf1f8b2a863e9accafb38f940d50614eb17ca888255fb78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] f53997fc64f039bedd65947242c8be44a3fb9e0fb55f85725a37910a657caec6
[INFO] running `Command { std: "docker" "start" "-a" "f53997fc64f039bedd65947242c8be44a3fb9e0fb55f85725a37910a657caec6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/slotvec-bec5f524293a4123)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::basic_operations_doesnt_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slotvec
[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" "f53997fc64f039bedd65947242c8be44a3fb9e0fb55f85725a37910a657caec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f53997fc64f039bedd65947242c8be44a3fb9e0fb55f85725a37910a657caec6", kill_on_drop: false }`
[INFO] [stdout] f53997fc64f039bedd65947242c8be44a3fb9e0fb55f85725a37910a657caec6