[INFO] fetching crate rustl 0.0.1...
[INFO] testing rustl-0.0.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate rustl 0.0.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate rustl 0.0.1
[INFO] finished tweaking crates.io crate rustl 0.0.1
[INFO] tweaked toml for crates.io crate rustl 0.0.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustl 0.0.1 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 rustl 0.0.1 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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 26b5552c73526ed10e2de5e6f8a97d12e0a055ad4357d2a0b63cbe5a80c5454e
[INFO] running `Command { std: "docker" "start" "-a" "26b5552c73526ed10e2de5e6f8a97d12e0a055ad4357d2a0b63cbe5a80c5454e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26b5552c73526ed10e2de5e6f8a97d12e0a055ad4357d2a0b63cbe5a80c5454e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26b5552c73526ed10e2de5e6f8a97d12e0a055ad4357d2a0b63cbe5a80c5454e", kill_on_drop: false }`
[INFO] [stdout] 26b5552c73526ed10e2de5e6f8a97d12e0a055ad4357d2a0b63cbe5a80c5454e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4f378de8cc52876213ec393b029b0eb3b654f233d61608f4d3236435b025667a
[INFO] running `Command { std: "docker" "start" "-a" "4f378de8cc52876213ec393b029b0eb3b654f233d61608f4d3236435b025667a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustl v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "4f378de8cc52876213ec393b029b0eb3b654f233d61608f4d3236435b025667a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f378de8cc52876213ec393b029b0eb3b654f233d61608f4d3236435b025667a", kill_on_drop: false }`
[INFO] [stdout] 4f378de8cc52876213ec393b029b0eb3b654f233d61608f4d3236435b025667a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ecbcae2480ce0ba3283f60bf2d3db42d599ca3889cb888953a28c21f47818c7f
[INFO] running `Command { std: "docker" "start" "-a" "ecbcae2480ce0ba3283f60bf2d3db42d599ca3889cb888953a28c21f47818c7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustl v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "ecbcae2480ce0ba3283f60bf2d3db42d599ca3889cb888953a28c21f47818c7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecbcae2480ce0ba3283f60bf2d3db42d599ca3889cb888953a28c21f47818c7f", kill_on_drop: false }`
[INFO] [stdout] ecbcae2480ce0ba3283f60bf2d3db42d599ca3889cb888953a28c21f47818c7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 384bb407b955327ed602d9ac72ca2f5a9b54a60aae378cece764aac4806d1c8e
[INFO] running `Command { std: "docker" "start" "-a" "384bb407b955327ed602d9ac72ca2f5a9b54a60aae378cece764aac4806d1c8e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustl-27ed94abab08042c)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlbin-3161b83131742bab)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test collections::singly_linked_list::tests::test_list_to_string ... ok
[INFO] [stdout] test collections::singly_linked_list::tests::test_list_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests rustl
[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 1 test
[INFO] [stdout] test src/collections/singly_linked_list.rs - collections::singly_linked_list::LinkedList (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "384bb407b955327ed602d9ac72ca2f5a9b54a60aae378cece764aac4806d1c8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "384bb407b955327ed602d9ac72ca2f5a9b54a60aae378cece764aac4806d1c8e", kill_on_drop: false }`
[INFO] [stdout] 384bb407b955327ed602d9ac72ca2f5a9b54a60aae378cece764aac4806d1c8e