[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1150f31d3a8e45ad85e0cf6389803ddb6d371521 [INFO] testing ParkinWu/search_tree against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FParkinWu%2Fsearch_tree" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ParkinWu/search_tree on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 961c098395134367f86f751de77c92438ec7272ace3e2b665bb66645e1e2f670 [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" "961c098395134367f86f751de77c92438ec7272ace3e2b665bb66645e1e2f670", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "961c098395134367f86f751de77c92438ec7272ace3e2b665bb66645e1e2f670", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "961c098395134367f86f751de77c92438ec7272ace3e2b665bb66645e1e2f670", kill_on_drop: false }` [INFO] [stdout] 961c098395134367f86f751de77c92438ec7272ace3e2b665bb66645e1e2f670 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bd435717e91fe5689392b9c1281f0d08bea8a0e3b544385641c84030fe24ef67 [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" "bd435717e91fe5689392b9c1281f0d08bea8a0e3b544385641c84030fe24ef67", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.35 [INFO] [stderr] Compiling proc-macro-hack v0.5.16 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling standback v0.2.9 [INFO] [stderr] Compiling time v0.2.16 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling time-macros-impl v0.1.1 [INFO] [stderr] Compiling time-macros v0.1.0 [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] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 26.84s [INFO] running `Command { std: "docker" "inspect" "bd435717e91fe5689392b9c1281f0d08bea8a0e3b544385641c84030fe24ef67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd435717e91fe5689392b9c1281f0d08bea8a0e3b544385641c84030fe24ef67", kill_on_drop: false }` [INFO] [stdout] bd435717e91fe5689392b9c1281f0d08bea8a0e3b544385641c84030fe24ef67 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3019df42ea147f403e7beed32f1b8e10a5b601c7d90a7358786215ef2047979f [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" "3019df42ea147f403e7beed32f1b8e10a5b601c7d90a7358786215ef2047979f", 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 1.30s [INFO] running `Command { std: "docker" "inspect" "3019df42ea147f403e7beed32f1b8e10a5b601c7d90a7358786215ef2047979f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3019df42ea147f403e7beed32f1b8e10a5b601c7d90a7358786215ef2047979f", kill_on_drop: false }` [INFO] [stdout] 3019df42ea147f403e7beed32f1b8e10a5b601c7d90a7358786215ef2047979f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0f27c96f2b33f3bcd0387a8817efb12f1f7f76150aeb18dcdeae611490bd7932 [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" "0f27c96f2b33f3bcd0387a8817efb12f1f7f76150aeb18dcdeae611490bd7932", 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: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/binary_tree-2a16043630787236 [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test push_pop_test ... ok [INFO] [stdout] test push_front_back_test ... ok [INFO] [stdout] test push_front_test ... ok [INFO] [stdout] test pop_front_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0f27c96f2b33f3bcd0387a8817efb12f1f7f76150aeb18dcdeae611490bd7932", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f27c96f2b33f3bcd0387a8817efb12f1f7f76150aeb18dcdeae611490bd7932", kill_on_drop: false }` [INFO] [stdout] 0f27c96f2b33f3bcd0387a8817efb12f1f7f76150aeb18dcdeae611490bd7932