[INFO] fetching crate swon-tree 0.1.0...
[INFO] testing swon-tree-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate swon-tree 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate swon-tree 0.1.0
[INFO] finished tweaking crates.io crate swon-tree 0.1.0
[INFO] tweaked toml for crates.io crate swon-tree 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate swon-tree 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 swon-tree 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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 33590f59159b9345b1e49e606ef9fbea2cca1feeeac3a82d4b12b5b9e2bc7e36
[INFO] running `Command { std: "docker" "start" "-a" "33590f59159b9345b1e49e606ef9fbea2cca1feeeac3a82d4b12b5b9e2bc7e36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33590f59159b9345b1e49e606ef9fbea2cca1feeeac3a82d4b12b5b9e2bc7e36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33590f59159b9345b1e49e606ef9fbea2cca1feeeac3a82d4b12b5b9e2bc7e36", kill_on_drop: false }`
[INFO] [stdout] 33590f59159b9345b1e49e606ef9fbea2cca1feeeac3a82d4b12b5b9e2bc7e36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8b97946b3f77e85a3e74a1bb3f89ae32be90b6cd29e04514a6e107c697ec4d60
[INFO] running `Command { std: "docker" "start" "-a" "8b97946b3f77e85a3e74a1bb3f89ae32be90b6cd29e04514a6e107c697ec4d60", kill_on_drop: false }`
[INFO] [stderr]    Compiling swon-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "8b97946b3f77e85a3e74a1bb3f89ae32be90b6cd29e04514a6e107c697ec4d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b97946b3f77e85a3e74a1bb3f89ae32be90b6cd29e04514a6e107c697ec4d60", kill_on_drop: false }`
[INFO] [stdout] 8b97946b3f77e85a3e74a1bb3f89ae32be90b6cd29e04514a6e107c697ec4d60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e33336c3e06cc7e56d584f186b7ac9989f7f940b5d5f1d46818093dae7b15a72
[INFO] running `Command { std: "docker" "start" "-a" "e33336c3e06cc7e56d584f186b7ac9989f7f940b5d5f1d46818093dae7b15a72", kill_on_drop: false }`
[INFO] [stderr]    Compiling swon-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "e33336c3e06cc7e56d584f186b7ac9989f7f940b5d5f1d46818093dae7b15a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e33336c3e06cc7e56d584f186b7ac9989f7f940b5d5f1d46818093dae7b15a72", kill_on_drop: false }`
[INFO] [stdout] e33336c3e06cc7e56d584f186b7ac9989f7f940b5d5f1d46818093dae7b15a72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c552ad2795277cc92a59d9e0a4a06c692b28001fec7532b9c5acb41cd4e163d4
[INFO] running `Command { std: "docker" "start" "-a" "c552ad2795277cc92a59d9e0a4a06c692b28001fec7532b9c5acb41cd4e163d4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/swon_tree-0aa831c28b2049be)
[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 swon_tree
[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" "c552ad2795277cc92a59d9e0a4a06c692b28001fec7532b9c5acb41cd4e163d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c552ad2795277cc92a59d9e0a4a06c692b28001fec7532b9c5acb41cd4e163d4", kill_on_drop: false }`
[INFO] [stdout] c552ad2795277cc92a59d9e0a4a06c692b28001fec7532b9c5acb41cd4e163d4