[INFO] fetching crate x_demo 0.1.0...
[INFO] testing x_demo-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate x_demo 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate x_demo 0.1.0
[INFO] finished tweaking crates.io crate x_demo 0.1.0
[INFO] tweaked toml for crates.io crate x_demo 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate x_demo 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate x_demo 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8bd9458c8c68592e8b8d73f2cdd82752f44c356de81ff907043ff0c58f710e6
[INFO] running `Command { std: "docker" "start" "-a" "c8bd9458c8c68592e8b8d73f2cdd82752f44c356de81ff907043ff0c58f710e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8bd9458c8c68592e8b8d73f2cdd82752f44c356de81ff907043ff0c58f710e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8bd9458c8c68592e8b8d73f2cdd82752f44c356de81ff907043ff0c58f710e6", kill_on_drop: false }`
[INFO] [stdout] c8bd9458c8c68592e8b8d73f2cdd82752f44c356de81ff907043ff0c58f710e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9556c1c857ecff1c74f131a21784672e37cefa697bcf72252b895ea569378e6
[INFO] running `Command { std: "docker" "start" "-a" "f9556c1c857ecff1c74f131a21784672e37cefa697bcf72252b895ea569378e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling x_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "f9556c1c857ecff1c74f131a21784672e37cefa697bcf72252b895ea569378e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9556c1c857ecff1c74f131a21784672e37cefa697bcf72252b895ea569378e6", kill_on_drop: false }`
[INFO] [stdout] f9556c1c857ecff1c74f131a21784672e37cefa697bcf72252b895ea569378e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82789b6a267a7f837c1fe9bd27aa313cbb65098a1dc4590cadef90ab262aef15
[INFO] running `Command { std: "docker" "start" "-a" "82789b6a267a7f837c1fe9bd27aa313cbb65098a1dc4590cadef90ab262aef15", kill_on_drop: false }`
[INFO] [stderr]    Compiling x_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "82789b6a267a7f837c1fe9bd27aa313cbb65098a1dc4590cadef90ab262aef15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82789b6a267a7f837c1fe9bd27aa313cbb65098a1dc4590cadef90ab262aef15", kill_on_drop: false }`
[INFO] [stdout] 82789b6a267a7f837c1fe9bd27aa313cbb65098a1dc4590cadef90ab262aef15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 85d81471e9608ee876ca7aebdf02ee4f3d1e311d5a25cb544225977a248fc742
[INFO] running `Command { std: "docker" "start" "-a" "85d81471e9608ee876ca7aebdf02ee4f3d1e311d5a25cb544225977a248fc742", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/x_demo-d7ab795776adfcdf)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_grep ... 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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/x_demo-0a7d1c70cacdb433)
[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 tests/demo_test.rs (/opt/rustwide/target/debug/deps/demo_test-947a3c65a577b0d6)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_works ... 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 x_demo
[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" "85d81471e9608ee876ca7aebdf02ee4f3d1e311d5a25cb544225977a248fc742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85d81471e9608ee876ca7aebdf02ee4f3d1e311d5a25cb544225977a248fc742", kill_on_drop: false }`
[INFO] [stdout] 85d81471e9608ee876ca7aebdf02ee4f3d1e311d5a25cb544225977a248fc742