[INFO] fetching crate b_trees 0.0.12...
[INFO] testing b_trees-0.0.12 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate b_trees 0.0.12 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate b_trees 0.0.12
[INFO] finished tweaking crates.io crate b_trees 0.0.12
[INFO] tweaked toml for crates.io crate b_trees 0.0.12 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate b_trees 0.0.12 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate b_trees 0.0.12 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c4a50f79a8a471163dfbb86edc0d67ebfd6de5d87d52999a95195e8791c5f82
[INFO] running `Command { std: "docker" "start" "-a" "6c4a50f79a8a471163dfbb86edc0d67ebfd6de5d87d52999a95195e8791c5f82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c4a50f79a8a471163dfbb86edc0d67ebfd6de5d87d52999a95195e8791c5f82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c4a50f79a8a471163dfbb86edc0d67ebfd6de5d87d52999a95195e8791c5f82", kill_on_drop: false }`
[INFO] [stdout] 6c4a50f79a8a471163dfbb86edc0d67ebfd6de5d87d52999a95195e8791c5f82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d37c73def0825d9bd89734f1b60bff7970441c73bcd6402afcd8dac4ad872787
[INFO] running `Command { std: "docker" "start" "-a" "d37c73def0825d9bd89734f1b60bff7970441c73bcd6402afcd8dac4ad872787", kill_on_drop: false }`
[INFO] [stderr]    Compiling b_trees v0.0.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "d37c73def0825d9bd89734f1b60bff7970441c73bcd6402afcd8dac4ad872787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d37c73def0825d9bd89734f1b60bff7970441c73bcd6402afcd8dac4ad872787", kill_on_drop: false }`
[INFO] [stdout] d37c73def0825d9bd89734f1b60bff7970441c73bcd6402afcd8dac4ad872787
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1892fc3c9e609dfdfbbf7cc051026ce715757707550c943331ea8b16bfcc8838
[INFO] running `Command { std: "docker" "start" "-a" "1892fc3c9e609dfdfbbf7cc051026ce715757707550c943331ea8b16bfcc8838", kill_on_drop: false }`
[INFO] [stderr]    Compiling b_trees v0.0.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "1892fc3c9e609dfdfbbf7cc051026ce715757707550c943331ea8b16bfcc8838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1892fc3c9e609dfdfbbf7cc051026ce715757707550c943331ea8b16bfcc8838", kill_on_drop: false }`
[INFO] [stdout] 1892fc3c9e609dfdfbbf7cc051026ce715757707550c943331ea8b16bfcc8838
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7007e580617602f274afeeb74325da0b9f4063a279fd8a4483578ff0fa52c790
[INFO] running `Command { std: "docker" "start" "-a" "7007e580617602f274afeeb74325da0b9f4063a279fd8a4483578ff0fa52c790", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[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]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/b_trees-26c6a17bbf7d0fec)
[INFO] [stderr]      Running unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/main-1ce38b5415c958b9)
[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 b_trees
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/avl/mod.rs - avl (line 5) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/avl/mod.rs - avl (line 5) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `avl_tree`
[INFO] [stdout]  --> src/avl/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use avl_tree::AVL;
[INFO] [stdout]   |     ^^^^^^^^ use of unresolved module or unlinked crate `avl_tree`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `avl_tree`, use `cargo add avl_tree` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/avl/mod.rs - avl (line 5)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "7007e580617602f274afeeb74325da0b9f4063a279fd8a4483578ff0fa52c790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7007e580617602f274afeeb74325da0b9f4063a279fd8a4483578ff0fa52c790", kill_on_drop: false }`
[INFO] [stdout] 7007e580617602f274afeeb74325da0b9f4063a279fd8a4483578ff0fa52c790