[INFO] fetching crate common-tree 0.2.0...
[INFO] testing common-tree-0.2.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate common-tree 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate common-tree 0.2.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate common-tree 0.2.0
[INFO] finished tweaking crates.io crate common-tree 0.2.0
[INFO] tweaked toml for crates.io crate common-tree 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate common-tree 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 921437b60f16806fc193c15c624e5ffae6f78ed69844669681815cbc66a77242
[INFO] running `Command { std: "docker" "start" "-a" "921437b60f16806fc193c15c624e5ffae6f78ed69844669681815cbc66a77242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "921437b60f16806fc193c15c624e5ffae6f78ed69844669681815cbc66a77242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "921437b60f16806fc193c15c624e5ffae6f78ed69844669681815cbc66a77242", kill_on_drop: false }`
[INFO] [stdout] 921437b60f16806fc193c15c624e5ffae6f78ed69844669681815cbc66a77242
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a515f89e8114db5cb5a83d84cc99b6b25333ecedc8e27b6a3576bdde3e83637b
[INFO] running `Command { std: "docker" "start" "-a" "a515f89e8114db5cb5a83d84cc99b6b25333ecedc8e27b6a3576bdde3e83637b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling common-tree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "a515f89e8114db5cb5a83d84cc99b6b25333ecedc8e27b6a3576bdde3e83637b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a515f89e8114db5cb5a83d84cc99b6b25333ecedc8e27b6a3576bdde3e83637b", kill_on_drop: false }`
[INFO] [stdout] a515f89e8114db5cb5a83d84cc99b6b25333ecedc8e27b6a3576bdde3e83637b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b51b21de8ba3868bb3eb40ee81e274d6d4fc1f3e9b7f2378281e5e36c44e0fc
[INFO] running `Command { std: "docker" "start" "-a" "3b51b21de8ba3868bb3eb40ee81e274d6d4fc1f3e9b7f2378281e5e36c44e0fc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling common-tree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `level2_2`
[INFO] [stdout]    --> src/node.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 |         let level2_2 = Node::new(level2_2_data.clone());
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_level2_2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "3b51b21de8ba3868bb3eb40ee81e274d6d4fc1f3e9b7f2378281e5e36c44e0fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b51b21de8ba3868bb3eb40ee81e274d6d4fc1f3e9b7f2378281e5e36c44e0fc", kill_on_drop: false }`
[INFO] [stdout] 3b51b21de8ba3868bb3eb40ee81e274d6d4fc1f3e9b7f2378281e5e36c44e0fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 251c9218477dd7ae72b3798ecc9f89792bc1545a1391ef451fe308b62b5aafbf
[INFO] running `Command { std: "docker" "start" "-a" "251c9218477dd7ae72b3798ecc9f89792bc1545a1391ef451fe308b62b5aafbf", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `level2_2`
[INFO] [stderr]    --> src/node.rs:200:13
[INFO] [stderr]     |
[INFO] [stderr] 200 |         let level2_2 = Node::new(level2_2_data.clone());
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_level2_2`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `common-tree` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/common_tree-d580da7ee89db609)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test node::tests::child_path_works ... ok
[INFO] [stdout] test node::tests::data_works ... ok
[INFO] [stdout] test node::tests::child_works ... ok
[INFO] [stdout] test node::tests::last_child_level_works ... ok
[INFO] [stdout] test node::tests::traversal_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests common-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" "251c9218477dd7ae72b3798ecc9f89792bc1545a1391ef451fe308b62b5aafbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "251c9218477dd7ae72b3798ecc9f89792bc1545a1391ef451fe308b62b5aafbf", kill_on_drop: false }`
[INFO] [stdout] 251c9218477dd7ae72b3798ecc9f89792bc1545a1391ef451fe308b62b5aafbf