[INFO] fetching crate treelike 0.2.0...
[INFO] testing treelike-0.2.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate treelike 0.2.0 into /workspace/builds/worker-103/source
[INFO] validating manifest of crates.io crate treelike 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 treelike 0.2.0
[INFO] finished tweaking crates.io crate treelike 0.2.0
[INFO] tweaked toml for crates.io crate treelike 0.2.0 written to /workspace/builds/worker-103/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08e07a44f1959c9c3afdadba0edf70d26913aa0355dbf2a66e46f58308c05163
[INFO] running `Command { std: "docker" "start" "-a" "08e07a44f1959c9c3afdadba0edf70d26913aa0355dbf2a66e46f58308c05163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08e07a44f1959c9c3afdadba0edf70d26913aa0355dbf2a66e46f58308c05163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08e07a44f1959c9c3afdadba0edf70d26913aa0355dbf2a66e46f58308c05163", kill_on_drop: false }`
[INFO] [stdout] 08e07a44f1959c9c3afdadba0edf70d26913aa0355dbf2a66e46f58308c05163
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d004a5709957018f612a3f80fa52b786bee3651f1781b64b5f0cab3c03fa4194
[INFO] running `Command { std: "docker" "start" "-a" "d004a5709957018f612a3f80fa52b786bee3651f1781b64b5f0cab3c03fa4194", kill_on_drop: false }`
[INFO] [stderr]    Compiling treelike v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused closure that must be used
[INFO] [stdout]    --> src/treelike.rs:180:4
[INFO] [stdout]     |
[INFO] [stdout] 180 | /             callback_bft(
[INFO] [stdout] 181 | |                 self,
[INFO] [stdout] 182 | |                 |content| {
[INFO] [stdout] 183 | |                     count += 1;
[INFO] [stdout] ...   |
[INFO] [stdout] 188 | |                 0,
[INFO] [stdout] 189 | |             );
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: closures are lazy and do nothing unless called
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "d004a5709957018f612a3f80fa52b786bee3651f1781b64b5f0cab3c03fa4194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d004a5709957018f612a3f80fa52b786bee3651f1781b64b5f0cab3c03fa4194", kill_on_drop: false }`
[INFO] [stdout] d004a5709957018f612a3f80fa52b786bee3651f1781b64b5f0cab3c03fa4194
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8ec18d1231af6988d5e4cc759d731807a03b2db068c26aefa3e958c07dd4f08
[INFO] running `Command { std: "docker" "start" "-a" "b8ec18d1231af6988d5e4cc759d731807a03b2db068c26aefa3e958c07dd4f08", kill_on_drop: false }`
[INFO] [stdout] warning: unused closure that must be used
[INFO] [stdout]    --> src/treelike.rs:180:4
[INFO] [stdout]     |
[INFO] [stdout] 180 | /             callback_bft(
[INFO] [stdout] 181 | |                 self,
[INFO] [stdout] 182 | |                 |content| {
[INFO] [stdout] 183 | |                     count += 1;
[INFO] [stdout] ...   |
[INFO] [stdout] 188 | |                 0,
[INFO] [stdout] 189 | |             );
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: closures are lazy and do nothing unless called
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling treelike v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused closure that must be used
[INFO] [stdout]    --> src/treelike.rs:180:4
[INFO] [stdout]     |
[INFO] [stdout] 180 | /             callback_bft(
[INFO] [stdout] 181 | |                 self,
[INFO] [stdout] 182 | |                 |content| {
[INFO] [stdout] 183 | |                     count += 1;
[INFO] [stdout] ...   |
[INFO] [stdout] 188 | |                 0,
[INFO] [stdout] 189 | |             );
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: closures are lazy and do nothing unless called
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "b8ec18d1231af6988d5e4cc759d731807a03b2db068c26aefa3e958c07dd4f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8ec18d1231af6988d5e4cc759d731807a03b2db068c26aefa3e958c07dd4f08", kill_on_drop: false }`
[INFO] [stdout] b8ec18d1231af6988d5e4cc759d731807a03b2db068c26aefa3e958c07dd4f08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dcc238213f6373ada9c4e0398efca5725703b7e2d6bed12b892704965a898a8a
[INFO] running `Command { std: "docker" "start" "-a" "dcc238213f6373ada9c4e0398efca5725703b7e2d6bed12b892704965a898a8a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused closure that must be used
[INFO] [stderr]    --> src/treelike.rs:180:4
[INFO] [stderr]     |
[INFO] [stderr] 180 | /             callback_bft(
[INFO] [stderr] 181 | |                 self,
[INFO] [stderr] 182 | |                 |content| {
[INFO] [stderr] 183 | |                     count += 1;
[INFO] [stderr] ...   |
[INFO] [stderr] 188 | |                 0,
[INFO] [stderr] 189 | |             );
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: closures are lazy and do nothing unless called
[INFO] [stderr] 
[INFO] [stderr] warning: `treelike` (lib) generated 1 warning
[INFO] [stderr] warning: `treelike` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/treelike-5dd3732e2774cb59)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test example::borrowtree::borrowing_tree_works ... ok
[INFO] [stdout] test example::boxtree::default_works ... ok
[INFO] [stdout] test example::borrowtree::option_ref_size ... ok
[INFO] [stdout] test example::lintree::basic_test ... ok
[INFO] [stdout] test example::boxtree::option_box_size ... ok
[INFO] [stdout] test example::lintree::bft_pre_test ... ok
[INFO] [stdout] test example::lintree::dft_pre_test ... ok
[INFO] [stdout] test example::lintree::iter_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests treelike
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/treelike.rs - treelike::Treelike::callback_dft (line 104) ... ok
[INFO] [stdout] test src/treelike.rs - treelike::Treelike::callback_dft (line 88) ... ok
[INFO] [stdout] test src/treelike.rs - treelike::Treelike::callback_bft (line 142) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.81s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dcc238213f6373ada9c4e0398efca5725703b7e2d6bed12b892704965a898a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcc238213f6373ada9c4e0398efca5725703b7e2d6bed12b892704965a898a8a", kill_on_drop: false }`
[INFO] [stdout] dcc238213f6373ada9c4e0398efca5725703b7e2d6bed12b892704965a898a8a