[INFO] cloning repository https://github.com/ParkinWu/search_tree [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ParkinWu/search_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FParkinWu%2Fsearch_tree", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FParkinWu%2Fsearch_tree'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1150f31d3a8e45ad85e0cf6389803ddb6d371521 [INFO] testing ParkinWu/search_tree against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FParkinWu%2Fsearch_tree" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ParkinWu/search_tree on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ParkinWu/search_tree [INFO] finished tweaking git repo https://github.com/ParkinWu/search_tree [INFO] tweaked toml for git repo https://github.com/ParkinWu/search_tree written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/ParkinWu/search_tree already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 048a69932e07aad2c4e13c255d2ed119636dc4f61441bfc9ad074359b8652e8b [INFO] running `Command { std: "docker" "start" "-a" "048a69932e07aad2c4e13c255d2ed119636dc4f61441bfc9ad074359b8652e8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "048a69932e07aad2c4e13c255d2ed119636dc4f61441bfc9ad074359b8652e8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "048a69932e07aad2c4e13c255d2ed119636dc4f61441bfc9ad074359b8652e8b", kill_on_drop: false }` [INFO] [stdout] 048a69932e07aad2c4e13c255d2ed119636dc4f61441bfc9ad074359b8652e8b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7323db0249295672c85013ea01946e4927e3dce722d7815e84bc29e8ae11b53e [INFO] running `Command { std: "docker" "start" "-a" "7323db0249295672c85013ea01946e4927e3dce722d7815e84bc29e8ae11b53e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.15 [INFO] [stderr] Compiling time v0.1.35 [INFO] [stderr] Compiling binary_tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Formatter` [INFO] [stdout] --> src/main.rs:4:24 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fmt::{ Debug, Formatter}; [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: `take_next` [INFO] [stdout] --> src/main.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | fn take_next(&mut self) -> Option> { [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: `pop_back` [INFO] [stdout] --> src/main.rs:90:8 [INFO] [stdout] | [INFO] [stdout] 90 | fn pop_back(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push_front` [INFO] [stdout] --> src/main.rs:103:8 [INFO] [stdout] | [INFO] [stdout] 103 | fn push_front(&mut self, elem: T) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop_front` [INFO] [stdout] --> src/main.rs:113:8 [INFO] [stdout] | [INFO] [stdout] 113 | fn pop_front(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `iter` [INFO] [stdout] --> src/main.rs:127:8 [INFO] [stdout] | [INFO] [stdout] 127 | fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `tail` [INFO] [stdout] --> src/main.rs:161:5 [INFO] [stdout] | [INFO] [stdout] 161 | tail: &'a Raw, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.84s [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7323db0249295672c85013ea01946e4927e3dce722d7815e84bc29e8ae11b53e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7323db0249295672c85013ea01946e4927e3dce722d7815e84bc29e8ae11b53e", kill_on_drop: false }` [INFO] [stdout] 7323db0249295672c85013ea01946e4927e3dce722d7815e84bc29e8ae11b53e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e8d5d847c5886f4e5882cbda083ee30155021f038c9ec59d3fd58b254b2bd829 [INFO] running `Command { std: "docker" "start" "-a" "e8d5d847c5886f4e5882cbda083ee30155021f038c9ec59d3fd58b254b2bd829", kill_on_drop: false }` [INFO] [stderr] Compiling binary_tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Formatter` [INFO] [stdout] --> src/main.rs:4:24 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fmt::{ Debug, Formatter}; [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: `iter` [INFO] [stdout] --> src/main.rs:127:8 [INFO] [stdout] | [INFO] [stdout] 127 | fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `tail` [INFO] [stdout] --> src/main.rs:161:5 [INFO] [stdout] | [INFO] [stdout] 161 | tail: &'a Raw, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.79s [INFO] running `Command { std: "docker" "inspect" "e8d5d847c5886f4e5882cbda083ee30155021f038c9ec59d3fd58b254b2bd829", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8d5d847c5886f4e5882cbda083ee30155021f038c9ec59d3fd58b254b2bd829", kill_on_drop: false }` [INFO] [stdout] e8d5d847c5886f4e5882cbda083ee30155021f038c9ec59d3fd58b254b2bd829 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a4b50732ea32dbc1526863a706709442e4cc64b719ccd033157ca441a939d452 [INFO] running `Command { std: "docker" "start" "-a" "a4b50732ea32dbc1526863a706709442e4cc64b719ccd033157ca441a939d452", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `Formatter` [INFO] [stderr] --> src/main.rs:4:24 [INFO] [stderr] | [INFO] [stderr] 4 | use std::fmt::{ Debug, Formatter}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `iter` [INFO] [stderr] --> src/main.rs:127:8 [INFO] [stderr] | [INFO] [stderr] 127 | fn iter(&self) -> Iter { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `tail` [INFO] [stderr] --> src/main.rs:161:5 [INFO] [stderr] | [INFO] [stderr] 161 | tail: &'a Raw, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `binary_tree` (bin "binary_tree" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/binary_tree-8c354fc4c1581da0) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test pop_front_test ... ok [INFO] [stdout] test push_front_back_test ... ok [INFO] [stdout] test push_front_test ... ok [INFO] [stdout] test push_pop_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a4b50732ea32dbc1526863a706709442e4cc64b719ccd033157ca441a939d452", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4b50732ea32dbc1526863a706709442e4cc64b719ccd033157ca441a939d452", kill_on_drop: false }` [INFO] [stdout] a4b50732ea32dbc1526863a706709442e4cc64b719ccd033157ca441a939d452