[INFO] fetching crate ds-bst 0.1.0...
[INFO] testing ds-bst-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate ds-bst 0.1.0 into /workspace/builds/worker-81/source
[INFO] validating manifest of crates.io crate ds-bst 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ds-bst 0.1.0
[INFO] finished tweaking crates.io crate ds-bst 0.1.0
[INFO] tweaked toml for crates.io crate ds-bst 0.1.0 written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03b03d4d98ca9574594ab5b05c3da704a7e302ac798e75f21e32ff3e9e249777
[INFO] running `Command { std: "docker" "start" "-a" "03b03d4d98ca9574594ab5b05c3da704a7e302ac798e75f21e32ff3e9e249777", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03b03d4d98ca9574594ab5b05c3da704a7e302ac798e75f21e32ff3e9e249777", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b03d4d98ca9574594ab5b05c3da704a7e302ac798e75f21e32ff3e9e249777", kill_on_drop: false }`
[INFO] [stdout] 03b03d4d98ca9574594ab5b05c3da704a7e302ac798e75f21e32ff3e9e249777
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d81dd56ffe3cd0487f51fe188c88a23a051fc55ac1ddca475fa257dc49f3bfa
[INFO] running `Command { std: "docker" "start" "-a" "2d81dd56ffe3cd0487f51fe188c88a23a051fc55ac1ddca475fa257dc49f3bfa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ds-bst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "2d81dd56ffe3cd0487f51fe188c88a23a051fc55ac1ddca475fa257dc49f3bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d81dd56ffe3cd0487f51fe188c88a23a051fc55ac1ddca475fa257dc49f3bfa", kill_on_drop: false }`
[INFO] [stdout] 2d81dd56ffe3cd0487f51fe188c88a23a051fc55ac1ddca475fa257dc49f3bfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed4182ab662c44a119c30b68cb38cdf7e95f2ad33fc4a988036fde37e198aaae
[INFO] running `Command { std: "docker" "start" "-a" "ed4182ab662c44a119c30b68cb38cdf7e95f2ad33fc4a988036fde37e198aaae", kill_on_drop: false }`
[INFO] [stderr]    Compiling ds-bst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "ed4182ab662c44a119c30b68cb38cdf7e95f2ad33fc4a988036fde37e198aaae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed4182ab662c44a119c30b68cb38cdf7e95f2ad33fc4a988036fde37e198aaae", kill_on_drop: false }`
[INFO] [stdout] ed4182ab662c44a119c30b68cb38cdf7e95f2ad33fc4a988036fde37e198aaae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 07d3a40d3716698888f1e0a29446e8249180edbb04ce451c920a361d901a6cdd
[INFO] running `Command { std: "docker" "start" "-a" "07d3a40d3716698888f1e0a29446e8249180edbb04ce451c920a361d901a6cdd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ds_bst-a5ea917d9c9d0da8)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test bst::tests::build_from_node ... ok
[INFO] [stdout] test bst::tests::build ... ok
[INFO] [stdout] test bst::tests::float ... ok
[INFO] [stdout] test bst::tests::even ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ds-bst
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/bst.rs - bst::BinarySearchTree (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.57s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "07d3a40d3716698888f1e0a29446e8249180edbb04ce451c920a361d901a6cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07d3a40d3716698888f1e0a29446e8249180edbb04ce451c920a361d901a6cdd", kill_on_drop: false }`
[INFO] [stdout] 07d3a40d3716698888f1e0a29446e8249180edbb04ce451c920a361d901a6cdd