[INFO] fetching crate bxl 0.1.0...
[INFO] building bxl-0.1.0 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate bxl 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate bxl 0.1.0 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35c1b4c0c33fad8e1de5565a28317a895bdda56ef813de76d53fbe7b9292aacf
[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" "35c1b4c0c33fad8e1de5565a28317a895bdda56ef813de76d53fbe7b9292aacf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35c1b4c0c33fad8e1de5565a28317a895bdda56ef813de76d53fbe7b9292aacf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35c1b4c0c33fad8e1de5565a28317a895bdda56ef813de76d53fbe7b9292aacf", kill_on_drop: false }`
[INFO] [stdout] 35c1b4c0c33fad8e1de5565a28317a895bdda56ef813de76d53fbe7b9292aacf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b3691eaf22af5c6c86588b1272c93f8cbe91e954786016de877a2cbedef2624
[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" "2b3691eaf22af5c6c86588b1272c93f8cbe91e954786016de877a2cbedef2624", 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)]` 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 is never used: `print_node`
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_dot`
[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 function is never used: `try_from`
[INFO] [stdout]    --> src/lib.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn try_from(s: &str) -> Result<BitAddr, String> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_last_bit`
[INFO] [stdout]    --> src/lib.rs:174:8
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn get_last_bit(&self) -> Result<u8, &str> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_parent_of`
[INFO] [stdout]    --> src/lib.rs:220:8
[INFO] [stdout]     |
[INFO] [stdout] 220 |     fn is_parent_of(&self, other: BitAddr) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_left_child`
[INFO] [stdout]    --> src/lib.rs:248:8
[INFO] [stdout]     |
[INFO] [stdout] 248 |     fn is_left_child(&self) -> Result<bool, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "2b3691eaf22af5c6c86588b1272c93f8cbe91e954786016de877a2cbedef2624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b3691eaf22af5c6c86588b1272c93f8cbe91e954786016de877a2cbedef2624", kill_on_drop: false }`
[INFO] [stdout] 2b3691eaf22af5c6c86588b1272c93f8cbe91e954786016de877a2cbedef2624
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef8a469ac46997955471bc1109b36f504b12ecc08d90ab125c856e36e9a1f736
[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" "ef8a469ac46997955471bc1109b36f504b12ecc08d90ab125c856e36e9a1f736", 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)]` 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 is never used: `print_node`
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_dot`
[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 function is never used: `try_from`
[INFO] [stdout]    --> src/lib.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn try_from(s: &str) -> Result<BitAddr, String> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_last_bit`
[INFO] [stdout]    --> src/lib.rs:174:8
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn get_last_bit(&self) -> Result<u8, &str> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_parent_of`
[INFO] [stdout]    --> src/lib.rs:220:8
[INFO] [stdout]     |
[INFO] [stdout] 220 |     fn is_parent_of(&self, other: BitAddr) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_left_child`
[INFO] [stdout]    --> src/lib.rs:248:8
[INFO] [stdout]     |
[INFO] [stdout] 248 |     fn is_left_child(&self) -> Result<bool, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[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)]` 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 is never used: `print_node`
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_dot`
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "ef8a469ac46997955471bc1109b36f504b12ecc08d90ab125c856e36e9a1f736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef8a469ac46997955471bc1109b36f504b12ecc08d90ab125c856e36e9a1f736", kill_on_drop: false }`
[INFO] [stdout] ef8a469ac46997955471bc1109b36f504b12ecc08d90ab125c856e36e9a1f736
