[INFO] fetching crate bxl 0.1.0...
[INFO] testing bxl-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate bxl 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate bxl 0.1.0
[INFO] finished tweaking crates.io crate bxl 0.1.0
[INFO] tweaked toml for crates.io crate bxl 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bxl 0.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bit_reverse v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb6514ddba747ddee0cb6100e91d45feea4050477442a9ff58a2dfb87d75c7d0
[INFO] running `Command { std: "docker" "start" "-a" "cb6514ddba747ddee0cb6100e91d45feea4050477442a9ff58a2dfb87d75c7d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb6514ddba747ddee0cb6100e91d45feea4050477442a9ff58a2dfb87d75c7d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb6514ddba747ddee0cb6100e91d45feea4050477442a9ff58a2dfb87d75c7d0", kill_on_drop: false }`
[INFO] [stdout] cb6514ddba747ddee0cb6100e91d45feea4050477442a9ff58a2dfb87d75c7d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f98303c612f3cb678457c4358697e997ac3c71e747f620ffbdb4cd99017c571
[INFO] running `Command { std: "docker" "start" "-a" "2f98303c612f3cb678457c4358697e997ac3c71e747f620ffbdb4cd99017c571", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit_reverse v0.1.8
[INFO] [stderr]    Compiling bxl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/lib.rs:356:13
[INFO] [stdout]     |
[INFO] [stdout] 356 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `total_checks` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:677:13
[INFO] [stdout]     |
[INFO] [stdout] 677 |     let mut total_checks = 0;
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_total_checks` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_node` is never used
[INFO] [stdout]   --> src/lib.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn print_node(tree: &NodeTree, node: &Node) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_dot` is never used
[INFO] [stdout]   --> src/lib.rs:90:4
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn print_dot(tree: &NodeTree) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `try_from`, `get_last_bit`, `is_parent_of`, and `is_left_child` are never used
[INFO] [stdout]    --> src/lib.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 131 | impl BitAddr {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 136 |     fn try_from(s: &str) -> Result<BitAddr, String> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 |     fn get_last_bit(&self) -> Result<u8, &str> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 220 |     fn is_parent_of(&self, other: BitAddr) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 248 |     fn is_left_child(&self) -> Result<bool, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "2f98303c612f3cb678457c4358697e997ac3c71e747f620ffbdb4cd99017c571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f98303c612f3cb678457c4358697e997ac3c71e747f620ffbdb4cd99017c571", kill_on_drop: false }`
[INFO] [stdout] 2f98303c612f3cb678457c4358697e997ac3c71e747f620ffbdb4cd99017c571
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a38a92ef94c8911b8b65d839fe7d306fc898b237202ec43357b9fa027068a088
[INFO] running `Command { std: "docker" "start" "-a" "a38a92ef94c8911b8b65d839fe7d306fc898b237202ec43357b9fa027068a088", kill_on_drop: false }`
[INFO] [stderr]    Compiling bxl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/lib.rs:356:13
[INFO] [stdout]     |
[INFO] [stdout] 356 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `total_checks` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:677:13
[INFO] [stdout]     |
[INFO] [stdout] 677 |     let mut total_checks = 0;
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_total_checks` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_node` is never used
[INFO] [stdout]   --> src/lib.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn print_node(tree: &NodeTree, node: &Node) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_dot` is never used
[INFO] [stdout]   --> src/lib.rs:90:4
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn print_dot(tree: &NodeTree) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `try_from`, `get_last_bit`, `is_parent_of`, and `is_left_child` are never used
[INFO] [stdout]    --> src/lib.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 131 | impl BitAddr {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 136 |     fn try_from(s: &str) -> Result<BitAddr, String> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 |     fn get_last_bit(&self) -> Result<u8, &str> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 220 |     fn is_parent_of(&self, other: BitAddr) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 248 |     fn is_left_child(&self) -> Result<bool, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/lib.rs:356:13
[INFO] [stdout]     |
[INFO] [stdout] 356 |         Err(err) => {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `total_checks` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:677:13
[INFO] [stdout]     |
[INFO] [stdout] 677 |     let mut total_checks = 0;
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_total_checks` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_node` is never used
[INFO] [stdout]   --> src/lib.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn print_node(tree: &NodeTree, node: &Node) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_dot` is never used
[INFO] [stdout]   --> src/lib.rs:90:4
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn print_dot(tree: &NodeTree) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "a38a92ef94c8911b8b65d839fe7d306fc898b237202ec43357b9fa027068a088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a38a92ef94c8911b8b65d839fe7d306fc898b237202ec43357b9fa027068a088", kill_on_drop: false }`
[INFO] [stdout] a38a92ef94c8911b8b65d839fe7d306fc898b237202ec43357b9fa027068a088
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cc891d90f800f8286c326190d36fab9878df3e0743f961b2c37f3dda5df5852c
[INFO] running `Command { std: "docker" "start" "-a" "cc891d90f800f8286c326190d36fab9878df3e0743f961b2c37f3dda5df5852c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/lib.rs:356:13
[INFO] [stderr]     |
[INFO] [stderr] 356 |         Err(err) => {
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `total_checks` is assigned to, but never used
[INFO] [stderr]    --> src/lib.rs:677:13
[INFO] [stderr]     |
[INFO] [stderr] 677 |     let mut total_checks = 0;
[INFO] [stderr]     |             ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_total_checks` instead
[INFO] [stderr] 
[INFO] [stderr] warning: function `print_node` is never used
[INFO] [stderr]   --> src/lib.rs:37:4
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn print_node(tree: &NodeTree, node: &Node) {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `print_dot` is never used
[INFO] [stderr]   --> src/lib.rs:90:4
[INFO] [stderr]    |
[INFO] [stderr] 90 | fn print_dot(tree: &NodeTree) {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `try_from`, `get_last_bit`, `is_parent_of`, and `is_left_child` are never used
[INFO] [stderr]    --> src/lib.rs:136:8
[INFO] [stderr]     |
[INFO] [stderr] 131 | impl BitAddr {
[INFO] [stderr]     | ------------ associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 136 |     fn try_from(s: &str) -> Result<BitAddr, String> {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 174 |     fn get_last_bit(&self) -> Result<u8, &str> {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 220 |     fn is_parent_of(&self, other: BitAddr) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 248 |     fn is_left_child(&self) -> Result<bool, String> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `bxl` (lib) generated 5 warnings
[INFO] [stderr] warning: `bxl` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bxl-3343c1b95e0fe703)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test tests::bitaddr_append_bit_err ... ok
[INFO] [stdout] test tests::bitaddr_get_last_bit ... ok
[INFO] [stdout] test tests::bitaddr_append_bit ... ok
[INFO] [stdout] test tests::bitaddr_get_sibling_addr ... ok
[INFO] [stdout] test tests::bitaddr_is_left_child ... ok
[INFO] [stdout] test tests::bitaddr_check_equivalence ... ok
[INFO] [stdout] test tests::bitaddr_get_parent_addr ... ok
[INFO] [stdout] test tests::bitaddr_is_ancestor_of ... ok
[INFO] [stdout] test tests::get_bit_ok ... ok
[INFO] [stdout] test tests::bitaddr_prefix_swap ... ok
[INFO] [stdout] test tests::bitaddr_to_string ... ok
[INFO] [stdout] test tests::node_increase_weight ... ok
[INFO] [stdout] test tests::node_is_leaf ... ok
[INFO] [stdout] test tests::node_needs_swap_ok ... ok
[INFO] [stdout] test tests::bitaddr_from_string ... ok
[INFO] [stdout] test tests::bitaddr_is_parent_of ... ok
[INFO] [stderr]      Running unittests src/bin/bxl2txt.rs (/opt/rustwide/target/debug/deps/bxl2txt-b5401ed5702e8cce)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests bxl
[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" "cc891d90f800f8286c326190d36fab9878df3e0743f961b2c37f3dda5df5852c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc891d90f800f8286c326190d36fab9878df3e0743f961b2c37f3dda5df5852c", kill_on_drop: false }`
[INFO] [stdout] cc891d90f800f8286c326190d36fab9878df3e0743f961b2c37f3dda5df5852c