[INFO] fetching crate algotrees 0.2.0...
[INFO] testing algotrees-0.2.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate algotrees 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate algotrees 0.2.0
[INFO] finished tweaking crates.io crate algotrees 0.2.0
[INFO] tweaked toml for crates.io crate algotrees 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate algotrees 0.2.0 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] crate crates.io crate algotrees 0.2.0 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9edc9ecabf8e93d167cecd00b5b22ed7913d5174cec2a2032e6d0bae59587309
[INFO] running `Command { std: "docker" "start" "-a" "9edc9ecabf8e93d167cecd00b5b22ed7913d5174cec2a2032e6d0bae59587309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9edc9ecabf8e93d167cecd00b5b22ed7913d5174cec2a2032e6d0bae59587309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9edc9ecabf8e93d167cecd00b5b22ed7913d5174cec2a2032e6d0bae59587309", kill_on_drop: false }`
[INFO] [stdout] 9edc9ecabf8e93d167cecd00b5b22ed7913d5174cec2a2032e6d0bae59587309
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9e4367cda4370ffd46bb37d5647b4ff46522414504a04ec03a0cd10519b97bf3
[INFO] running `Command { std: "docker" "start" "-a" "9e4367cda4370ffd46bb37d5647b4ff46522414504a04ec03a0cd10519b97bf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling algotrees v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::trees::types::Tree`
[INFO] [stdout]  --> src/trees/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use crate::trees::types::Tree;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "9e4367cda4370ffd46bb37d5647b4ff46522414504a04ec03a0cd10519b97bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e4367cda4370ffd46bb37d5647b4ff46522414504a04ec03a0cd10519b97bf3", kill_on_drop: false }`
[INFO] [stdout] 9e4367cda4370ffd46bb37d5647b4ff46522414504a04ec03a0cd10519b97bf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4757f9dc484ad0586d9ec1b2c1788cd3468f0b6ee6e670decf334c0d8458c1fd
[INFO] running `Command { std: "docker" "start" "-a" "4757f9dc484ad0586d9ec1b2c1788cd3468f0b6ee6e670decf334c0d8458c1fd", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::trees::types::Tree`
[INFO] [stdout]  --> src/trees/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use crate::trees::types::Tree;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling algotrees v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::trees::types::Tree`
[INFO] [stdout]  --> src/trees/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use crate::trees::types::Tree;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "4757f9dc484ad0586d9ec1b2c1788cd3468f0b6ee6e670decf334c0d8458c1fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4757f9dc484ad0586d9ec1b2c1788cd3468f0b6ee6e670decf334c0d8458c1fd", kill_on_drop: false }`
[INFO] [stdout] 4757f9dc484ad0586d9ec1b2c1788cd3468f0b6ee6e670decf334c0d8458c1fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 396614a3adfa6b3f54f8d3c93ccbb3651367315978ef601d8b0eb0887f9664dd
[INFO] running `Command { std: "docker" "start" "-a" "396614a3adfa6b3f54f8d3c93ccbb3651367315978ef601d8b0eb0887f9664dd", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::trees::types::Tree`
[INFO] [stderr]  --> src/trees/mod.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     use crate::trees::types::Tree;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `algotrees` (lib) generated 1 warning (run `cargo fix --lib -p algotrees` to apply 1 suggestion)
[INFO] [stderr] warning: `algotrees` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/algotrees-b6df661ad2a51677)
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/algotrees-74f9edbfdb2daba2)
[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 algotrees
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/binary_trees/initialize.rs - binary_trees::initialize::create (line 7) ... ok
[INFO] [stdout] test src/binary_trees/types.rs - binary_trees::types::BinaryTree (line 5) ... ok
[INFO] [stdout] test src/binary_trees/initialize.rs - binary_trees::initialize::create_empty (line 62) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "396614a3adfa6b3f54f8d3c93ccbb3651367315978ef601d8b0eb0887f9664dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "396614a3adfa6b3f54f8d3c93ccbb3651367315978ef601d8b0eb0887f9664dd", kill_on_drop: false }`
[INFO] [stdout] 396614a3adfa6b3f54f8d3c93ccbb3651367315978ef601d8b0eb0887f9664dd