[INFO] fetching crate bagofholding 0.1.0...
[INFO] testing bagofholding-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate bagofholding 0.1.0 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate bagofholding 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bagofholding 0.1.0
[INFO] finished tweaking crates.io crate bagofholding 0.1.0
[INFO] tweaked toml for crates.io crate bagofholding 0.1.0 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dee475e381c04a9140a6e80eee77e4a8e8152b922b60a026809999562edab8c5
[INFO] running `Command { std: "docker" "start" "-a" "dee475e381c04a9140a6e80eee77e4a8e8152b922b60a026809999562edab8c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dee475e381c04a9140a6e80eee77e4a8e8152b922b60a026809999562edab8c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dee475e381c04a9140a6e80eee77e4a8e8152b922b60a026809999562edab8c5", kill_on_drop: false }`
[INFO] [stdout] dee475e381c04a9140a6e80eee77e4a8e8152b922b60a026809999562edab8c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ea6f2502e73e6a260c162d06b46c10cdcdc3076963962d99f40eb012ff088c4
[INFO] running `Command { std: "docker" "start" "-a" "6ea6f2502e73e6a260c162d06b46c10cdcdc3076963962d99f40eb012ff088c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling bagofholding v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/bst/tree_node.rs:165:30
[INFO] [stdout]     |
[INFO] [stdout] 165 |             Self::Internal { data, left, right } => {
[INFO] [stdout]     |                              ^^^^ help: try ignoring the field: `data: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `increment_use`
[INFO] [stdout]   --> src/bst/node_data.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn increment_use(&mut self) {
[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 dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "6ea6f2502e73e6a260c162d06b46c10cdcdc3076963962d99f40eb012ff088c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea6f2502e73e6a260c162d06b46c10cdcdc3076963962d99f40eb012ff088c4", kill_on_drop: false }`
[INFO] [stdout] 6ea6f2502e73e6a260c162d06b46c10cdcdc3076963962d99f40eb012ff088c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d3e7961b049fb2336c73e82983ec55539bb74539036cf6239c3f1ea406b3b34
[INFO] running `Command { std: "docker" "start" "-a" "1d3e7961b049fb2336c73e82983ec55539bb74539036cf6239c3f1ea406b3b34", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/bst/tree_node.rs:165:30
[INFO] [stdout]     |
[INFO] [stdout] 165 |             Self::Internal { data, left, right } => {
[INFO] [stdout]     |                              ^^^^ help: try ignoring the field: `data: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `increment_use`
[INFO] [stdout]   --> src/bst/node_data.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn increment_use(&mut self) {
[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]    Compiling bagofholding v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/bst/tree_node.rs:165:30
[INFO] [stdout]     |
[INFO] [stdout] 165 |             Self::Internal { data, left, right } => {
[INFO] [stdout]     |                              ^^^^ help: try ignoring the field: `data: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `increment_use`
[INFO] [stdout]   --> src/bst/node_data.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn increment_use(&mut self) {
[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 0.34s
[INFO] running `Command { std: "docker" "inspect" "1d3e7961b049fb2336c73e82983ec55539bb74539036cf6239c3f1ea406b3b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d3e7961b049fb2336c73e82983ec55539bb74539036cf6239c3f1ea406b3b34", kill_on_drop: false }`
[INFO] [stdout] 1d3e7961b049fb2336c73e82983ec55539bb74539036cf6239c3f1ea406b3b34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fc6ef5d001067a1a7ff3e4db1870e0cf42a3dae3c3cd9068d09ca8f35d4411e7
[INFO] running `Command { std: "docker" "start" "-a" "fc6ef5d001067a1a7ff3e4db1870e0cf42a3dae3c3cd9068d09ca8f35d4411e7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/bst/tree_node.rs:165:30
[INFO] [stderr]     |
[INFO] [stderr] 165 |             Self::Internal { data, left, right } => {
[INFO] [stderr]     |                              ^^^^ help: try ignoring the field: `data: _`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `increment_use`
[INFO] [stderr]   --> src/bst/node_data.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn increment_use(&mut self) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `bagofholding` (lib) generated 2 warnings
[INFO] [stderr] warning: `bagofholding` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bagofholding-966ce891892124b2)
[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 bagofholding
[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" "fc6ef5d001067a1a7ff3e4db1870e0cf42a3dae3c3cd9068d09ca8f35d4411e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc6ef5d001067a1a7ff3e4db1870e0cf42a3dae3c3cd9068d09ca8f35d4411e7", kill_on_drop: false }`
[INFO] [stdout] fc6ef5d001067a1a7ff3e4db1870e0cf42a3dae3c3cd9068d09ca8f35d4411e7