[INFO] fetching crate cargo_learn 0.1.0...
[INFO] testing cargo_learn-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate cargo_learn 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate cargo_learn 0.1.0
[INFO] finished tweaking crates.io crate cargo_learn 0.1.0
[INFO] tweaked toml for crates.io crate cargo_learn 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo_learn 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 cargo_learn 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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 23a65484e06034c241efff6c2b9920c02af173e942f37b01749989752a556b1a
[INFO] running `Command { std: "docker" "start" "-a" "23a65484e06034c241efff6c2b9920c02af173e942f37b01749989752a556b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23a65484e06034c241efff6c2b9920c02af173e942f37b01749989752a556b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23a65484e06034c241efff6c2b9920c02af173e942f37b01749989752a556b1a", kill_on_drop: false }`
[INFO] [stdout] 23a65484e06034c241efff6c2b9920c02af173e942f37b01749989752a556b1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0ddd0fe43393ea9600b6f82916f7782344dd70c20f42ee93f2b35d96bf5083a9
[INFO] running `Command { std: "docker" "start" "-a" "0ddd0fe43393ea9600b6f82916f7782344dd70c20f42ee93f2b35d96bf5083a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo_learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "0ddd0fe43393ea9600b6f82916f7782344dd70c20f42ee93f2b35d96bf5083a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ddd0fe43393ea9600b6f82916f7782344dd70c20f42ee93f2b35d96bf5083a9", kill_on_drop: false }`
[INFO] [stdout] 0ddd0fe43393ea9600b6f82916f7782344dd70c20f42ee93f2b35d96bf5083a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ca56dc6cbd9b8298ac8a8972bc3cf71ca526d968dbaddce64ebe21c92304547c
[INFO] running `Command { std: "docker" "start" "-a" "ca56dc6cbd9b8298ac8a8972bc3cf71ca526d968dbaddce64ebe21c92304547c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo_learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "ca56dc6cbd9b8298ac8a8972bc3cf71ca526d968dbaddce64ebe21c92304547c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca56dc6cbd9b8298ac8a8972bc3cf71ca526d968dbaddce64ebe21c92304547c", kill_on_drop: false }`
[INFO] [stdout] ca56dc6cbd9b8298ac8a8972bc3cf71ca526d968dbaddce64ebe21c92304547c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 54e2e8493c3cef9b140e17e7db06d118ac8738f3b970fa64fda9f1c9a17d4f58
[INFO] running `Command { std: "docker" "start" "-a" "54e2e8493c3cef9b140e17e7db06d118ac8738f3b970fa64fda9f1c9a17d4f58", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cargo_learn-721b66c24ad8ac28)
[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" "54e2e8493c3cef9b140e17e7db06d118ac8738f3b970fa64fda9f1c9a17d4f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54e2e8493c3cef9b140e17e7db06d118ac8738f3b970fa64fda9f1c9a17d4f58", kill_on_drop: false }`
[INFO] [stdout] 54e2e8493c3cef9b140e17e7db06d118ac8738f3b970fa64fda9f1c9a17d4f58