[INFO] cloning repository https://github.com/snproj/string_tree [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/snproj/string_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnproj%2Fstring_tree", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnproj%2Fstring_tree'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e0d027841bb690851e8e4164d4023ff19747ac61 [INFO] testing snproj/string_tree against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnproj%2Fstring_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/snproj/string_tree on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/snproj/string_tree [INFO] finished tweaking git repo https://github.com/snproj/string_tree [INFO] tweaked toml for git repo https://github.com/snproj/string_tree written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/snproj/string_tree already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c7f75d7c1312b2d714ed9d83b03dbe1f1bc1ab3e5a760cdcf72ee11c4c98953f [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" "c7f75d7c1312b2d714ed9d83b03dbe1f1bc1ab3e5a760cdcf72ee11c4c98953f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c7f75d7c1312b2d714ed9d83b03dbe1f1bc1ab3e5a760cdcf72ee11c4c98953f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7f75d7c1312b2d714ed9d83b03dbe1f1bc1ab3e5a760cdcf72ee11c4c98953f", kill_on_drop: false }` [INFO] [stdout] c7f75d7c1312b2d714ed9d83b03dbe1f1bc1ab3e5a760cdcf72ee11c4c98953f [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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8a82fe4efafc911fa5f4c7968f55d7c4c3c4d83171db933f692ac0cce8607e85 [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" "8a82fe4efafc911fa5f4c7968f55d7c4c3c4d83171db933f692ac0cce8607e85", kill_on_drop: false }` [INFO] [stderr] Compiling string_tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `dict` [INFO] [stdout] --> src/word_actionator.rs:168:57 [INFO] [stdout] | [INFO] [stdout] 168 | fn commence_action(&self, target: Arc>, dict: Arc>) -> Option>>{ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dict` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pprint` [INFO] [stdout] --> src/traverser.rs:55:12 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn pprint(thing: &VSON, tab_count: usize) { [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: `pprint_store` [INFO] [stdout] --> src/traverser.rs:121:12 [INFO] [stdout] | [INFO] [stdout] 121 | pub fn pprint_store(&self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pprint_store_ptr` [INFO] [stdout] --> src/traverser.rs:125:12 [INFO] [stdout] | [INFO] [stdout] 125 | pub fn pprint_store_ptr(&self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.73s [INFO] running `Command { std: "docker" "inspect" "8a82fe4efafc911fa5f4c7968f55d7c4c3c4d83171db933f692ac0cce8607e85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a82fe4efafc911fa5f4c7968f55d7c4c3c4d83171db933f692ac0cce8607e85", kill_on_drop: false }` [INFO] [stdout] 8a82fe4efafc911fa5f4c7968f55d7c4c3c4d83171db933f692ac0cce8607e85 [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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d894726b6b49963f541b6e89d289e3d48c65118e1bc31967c426688da5df72a0 [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" "d894726b6b49963f541b6e89d289e3d48c65118e1bc31967c426688da5df72a0", kill_on_drop: false }` [INFO] [stderr] Compiling string_tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `dict` [INFO] [stdout] --> src/word_actionator.rs:168:57 [INFO] [stdout] | [INFO] [stdout] 168 | fn commence_action(&self, target: Arc>, dict: Arc>) -> Option>>{ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dict` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pprint` [INFO] [stdout] --> src/traverser.rs:55:12 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn pprint(thing: &VSON, tab_count: usize) { [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: `pprint_store` [INFO] [stdout] --> src/traverser.rs:121:12 [INFO] [stdout] | [INFO] [stdout] 121 | pub fn pprint_store(&self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pprint_store_ptr` [INFO] [stdout] --> src/traverser.rs:125:12 [INFO] [stdout] | [INFO] [stdout] 125 | pub fn pprint_store_ptr(&self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.78s [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d894726b6b49963f541b6e89d289e3d48c65118e1bc31967c426688da5df72a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d894726b6b49963f541b6e89d289e3d48c65118e1bc31967c426688da5df72a0", kill_on_drop: false }` [INFO] [stdout] d894726b6b49963f541b6e89d289e3d48c65118e1bc31967c426688da5df72a0 [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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1fde341a5660b8620a5e776772a29d33b02133f22338dffbe9422c641ba7eb37 [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" "1fde341a5660b8620a5e776772a29d33b02133f22338dffbe9422c641ba7eb37", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `dict` [INFO] [stderr] --> src/word_actionator.rs:168:57 [INFO] [stderr] | [INFO] [stderr] 168 | fn commence_action(&self, target: Arc>, dict: Arc>) -> Option>>{ [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dict` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `pprint` [INFO] [stderr] --> src/traverser.rs:55:12 [INFO] [stderr] | [INFO] [stderr] 55 | pub fn pprint(thing: &VSON, tab_count: usize) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `pprint_store` [INFO] [stderr] --> src/traverser.rs:121:12 [INFO] [stderr] | [INFO] [stderr] 121 | pub fn pprint_store(&self) { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `pprint_store_ptr` [INFO] [stderr] --> src/traverser.rs:125:12 [INFO] [stderr] | [INFO] [stderr] 125 | pub fn pprint_store_ptr(&self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/string_tree-252f056e13b0579c) [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" "1fde341a5660b8620a5e776772a29d33b02133f22338dffbe9422c641ba7eb37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fde341a5660b8620a5e776772a29d33b02133f22338dffbe9422c641ba7eb37", kill_on_drop: false }` [INFO] [stdout] 1fde341a5660b8620a5e776772a29d33b02133f22338dffbe9422c641ba7eb37