[INFO] fetching crate tdf_utils 0.2.4...
[INFO] testing tdf_utils-0.2.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tdf_utils 0.2.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tdf_utils 0.2.4 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tdf_utils 0.2.4
[INFO] finished tweaking crates.io crate tdf_utils 0.2.4
[INFO] tweaked toml for crates.io crate tdf_utils 0.2.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a238b171ae888002f047c15a32e0d9ee1a1b969d130903803d515b1b2ca779a7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a238b171ae888002f047c15a32e0d9ee1a1b969d130903803d515b1b2ca779a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a238b171ae888002f047c15a32e0d9ee1a1b969d130903803d515b1b2ca779a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a238b171ae888002f047c15a32e0d9ee1a1b969d130903803d515b1b2ca779a7", kill_on_drop: false }`
[INFO] [stdout] a238b171ae888002f047c15a32e0d9ee1a1b969d130903803d515b1b2ca779a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3782776cb6700128dd25452ce820be60691636959e4d813e2095f438a4bd5528
[INFO] running `Command { std: "docker" "start" "-a" "3782776cb6700128dd25452ce820be60691636959e4d813e2095f438a4bd5528", kill_on_drop: false }`
[INFO] [stderr]    Compiling tdf_utils v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/bit.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(n: usize) -> BinaryIndexedTree<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]   --> src/bit.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn from(v: Vec<T>) -> BinaryIndexedTree<T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> src/bit.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn update(&mut self, idx: usize, delta: T) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sum_to`
[INFO] [stdout]   --> src/bit.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn sum_to(&mut self, idx: usize) -> T {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sum_of_range`
[INFO] [stdout]   --> src/bit.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn sum_of_range(&mut self, idx: usize, end: usize) -> T {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3782776cb6700128dd25452ce820be60691636959e4d813e2095f438a4bd5528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3782776cb6700128dd25452ce820be60691636959e4d813e2095f438a4bd5528", kill_on_drop: false }`
[INFO] [stdout] 3782776cb6700128dd25452ce820be60691636959e4d813e2095f438a4bd5528
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3914ac0a97dadb482673b984cda4ae3fe5af92d5a12cce1df29d1ed004127a8f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3914ac0a97dadb482673b984cda4ae3fe5af92d5a12cce1df29d1ed004127a8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling tdf_utils v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/bit.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(n: usize) -> BinaryIndexedTree<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]   --> src/bit.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn from(v: Vec<T>) -> BinaryIndexedTree<T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> src/bit.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn update(&mut self, idx: usize, delta: T) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sum_to`
[INFO] [stdout]   --> src/bit.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn sum_to(&mut self, idx: usize) -> T {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sum_of_range`
[INFO] [stdout]   --> src/bit.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn sum_of_range(&mut self, idx: usize, end: usize) -> T {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/bit.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(n: usize) -> BinaryIndexedTree<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `Command { std: "docker" "inspect" "3914ac0a97dadb482673b984cda4ae3fe5af92d5a12cce1df29d1ed004127a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3914ac0a97dadb482673b984cda4ae3fe5af92d5a12cce1df29d1ed004127a8f", kill_on_drop: false }`
[INFO] [stdout] 3914ac0a97dadb482673b984cda4ae3fe5af92d5a12cce1df29d1ed004127a8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ea7e9e70288cfca24cab66448b55f9f6c736fe54dca117a0f546ea31df2155c4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ea7e9e70288cfca24cab66448b55f9f6c736fe54dca117a0f546ea31df2155c4", kill_on_drop: false }`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/bit.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(n: usize) -> BinaryIndexedTree<T> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from`
[INFO] [stderr]   --> src/bit.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn from(v: Vec<T>) -> BinaryIndexedTree<T> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `update`
[INFO] [stderr]   --> src/bit.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn update(&mut self, idx: usize, delta: T) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `sum_to`
[INFO] [stderr]   --> src/bit.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn sum_to(&mut self, idx: usize) -> T {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `sum_of_range`
[INFO] [stderr]   --> src/bit.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn sum_of_range(&mut self, idx: usize, end: usize) -> T {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/bit.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(n: usize) -> BinaryIndexedTree<T> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tdf_utils-71c70f24cd6a8c3b
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test bit::tests::test_bit_sum ... ok
[INFO] [stdout] test bit::tests::test_bit_sum_of_range ... ok
[INFO] [stdout] test list::tests::list_test_01 ... ok
[INFO] [stdout] test tree::tests::test_tree_01 ... ok
[INFO] [stdout] test list::tests::list_test_05 ... ok
[INFO] [stdout] test list::tests::list_test_02 ... ok
[INFO] [stdout] test list::tests::list_test_03 ... ok
[INFO] [stdout] test tree::tests::test_append_to_vec ... ok
[INFO] [stdout] test list::tests::list_test_04 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tdf_utils
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ea7e9e70288cfca24cab66448b55f9f6c736fe54dca117a0f546ea31df2155c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea7e9e70288cfca24cab66448b55f9f6c736fe54dca117a0f546ea31df2155c4", kill_on_drop: false }`
[INFO] [stdout] ea7e9e70288cfca24cab66448b55f9f6c736fe54dca117a0f546ea31df2155c4