[INFO] fetching crate regression-test 0.1.0...
[INFO] testing regression-test-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate regression-test 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate regression-test 0.1.0
[INFO] finished tweaking crates.io crate regression-test 0.1.0
[INFO] tweaked toml for crates.io crate regression-test 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate regression-test 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate regression-test 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7fff01d1067919ea8047ebae236ce6f1f4626cd214933bc25098bc8cfedce93
[INFO] running `Command { std: "docker" "start" "-a" "b7fff01d1067919ea8047ebae236ce6f1f4626cd214933bc25098bc8cfedce93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7fff01d1067919ea8047ebae236ce6f1f4626cd214933bc25098bc8cfedce93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7fff01d1067919ea8047ebae236ce6f1f4626cd214933bc25098bc8cfedce93", kill_on_drop: false }`
[INFO] [stdout] b7fff01d1067919ea8047ebae236ce6f1f4626cd214933bc25098bc8cfedce93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecdc0e0038fb26fab5fe4b495fc7c6334c3a0be1890a937ccb92888dde794478
[INFO] running `Command { std: "docker" "start" "-a" "ecdc0e0038fb26fab5fe4b495fc7c6334c3a0be1890a937ccb92888dde794478", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling regression-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.13s
[INFO] running `Command { std: "docker" "inspect" "ecdc0e0038fb26fab5fe4b495fc7c6334c3a0be1890a937ccb92888dde794478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecdc0e0038fb26fab5fe4b495fc7c6334c3a0be1890a937ccb92888dde794478", kill_on_drop: false }`
[INFO] [stdout] ecdc0e0038fb26fab5fe4b495fc7c6334c3a0be1890a937ccb92888dde794478
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5da64bcd80bd74db0926e7a5471476e01c5bdc43ed90e8b97aed7e37ddebb63
[INFO] running `Command { std: "docker" "start" "-a" "e5da64bcd80bd74db0926e7a5471476e01c5bdc43ed90e8b97aed7e37ddebb63", kill_on_drop: false }`
[INFO] [stderr]    Compiling regression-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "e5da64bcd80bd74db0926e7a5471476e01c5bdc43ed90e8b97aed7e37ddebb63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5da64bcd80bd74db0926e7a5471476e01c5bdc43ed90e8b97aed7e37ddebb63", kill_on_drop: false }`
[INFO] [stdout] e5da64bcd80bd74db0926e7a5471476e01c5bdc43ed90e8b97aed7e37ddebb63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 07ad054a48f4ca018e7889de70dd61ac52df2b63827e52353dd48ec91b754a6d
[INFO] running `Command { std: "docker" "start" "-a" "07ad054a48f4ca018e7889de70dd61ac52df2b63827e52353dd48ec91b754a6d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/regression_test-5f8fccd385c4b184)
[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]    Doc-tests regression_test
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - RegTest (line 46) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "07ad054a48f4ca018e7889de70dd61ac52df2b63827e52353dd48ec91b754a6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07ad054a48f4ca018e7889de70dd61ac52df2b63827e52353dd48ec91b754a6d", kill_on_drop: false }`
[INFO] [stdout] 07ad054a48f4ca018e7889de70dd61ac52df2b63827e52353dd48ec91b754a6d