[INFO] fetching crate daikon 0.1.0...
[INFO] testing daikon-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate daikon 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate daikon 0.1.0
[INFO] finished tweaking crates.io crate daikon 0.1.0
[INFO] tweaked toml for crates.io crate daikon 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate daikon 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 daikon 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46d5d4018004f6946c411d5966e2f7bf940c32cee8c4000699a8ee54c615bf52
[INFO] running `Command { std: "docker" "start" "-a" "46d5d4018004f6946c411d5966e2f7bf940c32cee8c4000699a8ee54c615bf52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46d5d4018004f6946c411d5966e2f7bf940c32cee8c4000699a8ee54c615bf52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46d5d4018004f6946c411d5966e2f7bf940c32cee8c4000699a8ee54c615bf52", kill_on_drop: false }`
[INFO] [stdout] 46d5d4018004f6946c411d5966e2f7bf940c32cee8c4000699a8ee54c615bf52
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6011b4a87f5a500a4501389fd69a79b9079d966c3e55c00ea2eaa89e7a948131
[INFO] running `Command { std: "docker" "start" "-a" "6011b4a87f5a500a4501389fd69a79b9079d966c3e55c00ea2eaa89e7a948131", kill_on_drop: false }`
[INFO] [stderr]    Compiling daikon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "6011b4a87f5a500a4501389fd69a79b9079d966c3e55c00ea2eaa89e7a948131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6011b4a87f5a500a4501389fd69a79b9079d966c3e55c00ea2eaa89e7a948131", kill_on_drop: false }`
[INFO] [stdout] 6011b4a87f5a500a4501389fd69a79b9079d966c3e55c00ea2eaa89e7a948131
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51aad47595253da8b3a41f49da43bf6eb600063bffd95794c629303d7c16b8df
[INFO] running `Command { std: "docker" "start" "-a" "51aad47595253da8b3a41f49da43bf6eb600063bffd95794c629303d7c16b8df", kill_on_drop: false }`
[INFO] [stderr]    Compiling daikon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "51aad47595253da8b3a41f49da43bf6eb600063bffd95794c629303d7c16b8df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51aad47595253da8b3a41f49da43bf6eb600063bffd95794c629303d7c16b8df", kill_on_drop: false }`
[INFO] [stdout] 51aad47595253da8b3a41f49da43bf6eb600063bffd95794c629303d7c16b8df
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b1e02732c7d6fed0ae69886c2d364df7718ccd6cf785f36f4cbf56f856b6dff
[INFO] running `Command { std: "docker" "start" "-a" "7b1e02732c7d6fed0ae69886c2d364df7718ccd6cf785f36f4cbf56f856b6dff", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/daikon-e5428aeb80e2cb2b)
[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" "7b1e02732c7d6fed0ae69886c2d364df7718ccd6cf785f36f4cbf56f856b6dff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b1e02732c7d6fed0ae69886c2d364df7718ccd6cf785f36f4cbf56f856b6dff", kill_on_drop: false }`
[INFO] [stdout] 7b1e02732c7d6fed0ae69886c2d364df7718ccd6cf785f36f4cbf56f856b6dff