[INFO] fetching crate b-tree 0.4.0...
[INFO] testing b-tree-0.4.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate b-tree 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate b-tree 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate b-tree 0.4.0
[INFO] tweaked toml for crates.io crate b-tree 0.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate b-tree 0.4.0 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-tree 0.4.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uuid v1.10.0
[INFO] [stderr]   Downloaded collate v0.4.2
[INFO] [stderr]   Downloaded proc-macro-utils v0.8.0
[INFO] [stderr]   Downloaded interpolator v0.5.0
[INFO] [stderr]   Downloaded derive-where v1.2.7
[INFO] [stderr]   Downloaded backtrace v0.3.73
[INFO] [stderr]   Downloaded cc v1.1.10
[INFO] [stderr]   Downloaded futures v0.3.30
[INFO] [stderr]   Downloaded async-trait v0.1.81
[INFO] [stderr]   Downloaded destream v0.8.0
[INFO] [stderr]   Downloaded freqfs v0.10.0
[INFO] [stderr]   Downloaded futures-channel v0.3.30
[INFO] [stderr]   Downloaded tokio-util v0.7.11
[INFO] [stderr]   Downloaded syn v2.0.74
[INFO] [stderr]   Downloaded pin-project-internal v1.1.5
[INFO] [stderr]   Downloaded futures-util v0.3.30
[INFO] [stderr]   Downloaded object v0.36.3
[INFO] [stderr]   Downloaded pin-project v1.1.5
[INFO] [stderr]   Downloaded addr2line v0.22.0
[INFO] [stderr]   Downloaded gimli v0.29.0
[INFO] [stderr]   Downloaded bytes v1.7.1
[INFO] [stderr]   Downloaded attribute-derive v0.6.1
[INFO] [stderr]   Downloaded ds-ext v0.2.0
[INFO] [stderr]   Downloaded futures-executor v0.3.30
[INFO] [stderr]   Downloaded futures-io v0.3.30
[INFO] [stderr]   Downloaded futures-macro v0.3.30
[INFO] [stderr]   Downloaded futures-sink v0.3.30
[INFO] [stderr]   Downloaded futures-task v0.3.30
[INFO] [stderr]   Downloaded get-size v0.1.4
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.20
[INFO] [stderr]   Downloaded quote v1.0.36
[INFO] [stderr]   Downloaded tokio-macros v2.4.0
[INFO] [stderr]   Downloaded collection_literals v1.0.1
[INFO] [stderr]   Downloaded quote-use-macros v0.7.2
[INFO] [stderr]   Downloaded libc v0.2.155
[INFO] [stderr]   Downloaded quote-use v0.7.2
[INFO] [stderr]   Downloaded attribute-derive-macro v0.6.1
[INFO] [stderr]   Downloaded get-size-derive v0.1.3
[INFO] [stderr]   Downloaded tbon v0.6.0
[INFO] [stderr]   Downloaded tokio v1.39.2
[INFO] [stderr]   Downloaded safecast v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 40a77bdebc02f88bab3ba7a92706a55b0220990b67f341b1fd34f788b7246c6a
[INFO] running `Command { std: "docker" "start" "-a" "40a77bdebc02f88bab3ba7a92706a55b0220990b67f341b1fd34f788b7246c6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40a77bdebc02f88bab3ba7a92706a55b0220990b67f341b1fd34f788b7246c6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a77bdebc02f88bab3ba7a92706a55b0220990b67f341b1fd34f788b7246c6a", kill_on_drop: false }`
[INFO] [stdout] 40a77bdebc02f88bab3ba7a92706a55b0220990b67f341b1fd34f788b7246c6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 28de0f5780b834106abe322f0f28523a6d62f47be511f7af0e1e4e8d6d082184
[INFO] running `Command { std: "docker" "start" "-a" "28de0f5780b834106abe322f0f28523a6d62f47be511f7af0e1e4e8d6d082184", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling interpolator v0.5.0
[INFO] [stderr]    Compiling collection_literals v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling safecast v0.2.3
[INFO] [stderr]    Compiling get-size v0.1.4
[INFO] [stderr]    Compiling bytes v1.7.1
[INFO] [stderr]    Compiling collate v0.4.2
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling tokio v1.39.2
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.74
[INFO] [stderr]    Compiling proc-macro-utils v0.8.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling uuid v1.10.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling derive-where v1.2.7
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling pin-project v1.1.5
[INFO] [stderr]    Compiling derive_more v1.0.0
[INFO] [stderr]    Compiling quote-use-macros v0.7.2
[INFO] [stderr]    Compiling quote-use v0.7.2
[INFO] [stderr]    Compiling attribute-derive-macro v0.6.1
[INFO] [stderr]    Compiling attribute-derive v0.6.1
[INFO] [stderr]    Compiling get-size-derive v0.1.3
[INFO] [stderr]    Compiling ds-ext v0.2.0
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling freqfs v0.10.0
[INFO] [stderr]    Compiling b-tree v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.90s
[INFO] running `Command { std: "docker" "inspect" "28de0f5780b834106abe322f0f28523a6d62f47be511f7af0e1e4e8d6d082184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28de0f5780b834106abe322f0f28523a6d62f47be511f7af0e1e4e8d6d082184", kill_on_drop: false }`
[INFO] [stdout] 28de0f5780b834106abe322f0f28523a6d62f47be511f7af0e1e4e8d6d082184
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d58d11f46787d720c8ac951b7f11854151205d069ea5c6ca790b970aa483bcd3
[INFO] running `Command { std: "docker" "start" "-a" "d58d11f46787d720c8ac951b7f11854151205d069ea5c6ca790b970aa483bcd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling uuid v1.10.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling tokio v1.39.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling freqfs v0.10.0
[INFO] [stderr]    Compiling b-tree v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.51s
[INFO] running `Command { std: "docker" "inspect" "d58d11f46787d720c8ac951b7f11854151205d069ea5c6ca790b970aa483bcd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d58d11f46787d720c8ac951b7f11854151205d069ea5c6ca790b970aa483bcd3", kill_on_drop: false }`
[INFO] [stdout] d58d11f46787d720c8ac951b7f11854151205d069ea5c6ca790b970aa483bcd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 70e24dfcfb177ec34dbd3455d5083ec818fe4a65e2ee3b327d68ea514089ce94
[INFO] running `Command { std: "docker" "start" "-a" "70e24dfcfb177ec34dbd3455d5083ec818fe4a65e2ee3b327d68ea514089ce94", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/b_tree-38e1df7cad6d3d3f)
[INFO] [stderr]    Doc-tests b_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] [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" "70e24dfcfb177ec34dbd3455d5083ec818fe4a65e2ee3b327d68ea514089ce94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70e24dfcfb177ec34dbd3455d5083ec818fe4a65e2ee3b327d68ea514089ce94", kill_on_drop: false }`
[INFO] [stdout] 70e24dfcfb177ec34dbd3455d5083ec818fe4a65e2ee3b327d68ea514089ce94