[INFO] cloning repository https://github.com/locez/data-structure [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/locez/data-structure" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flocez%2Fdata-structure", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flocez%2Fdata-structure'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6cbcedacf7ff754e23aefcbc2ae93856fb024a6a [INFO] testing locez/data-structure against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flocez%2Fdata-structure" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/locez/data-structure 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 git repo https://github.com/locez/data-structure [INFO] finished tweaking git repo https://github.com/locez/data-structure [INFO] tweaked toml for git repo https://github.com/locez/data-structure written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/locez/data-structure already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 054b9f2c50049207ab55781613e392d5951d56e3df8eb5a868df6e6a4701c20a [INFO] running `Command { std: "docker" "start" "-a" "054b9f2c50049207ab55781613e392d5951d56e3df8eb5a868df6e6a4701c20a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "054b9f2c50049207ab55781613e392d5951d56e3df8eb5a868df6e6a4701c20a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "054b9f2c50049207ab55781613e392d5951d56e3df8eb5a868df6e6a4701c20a", kill_on_drop: false }` [INFO] [stdout] 054b9f2c50049207ab55781613e392d5951d56e3df8eb5a868df6e6a4701c20a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 5a42e0fe0c4b259226217dbac5b32e9d05cee19f449f322ce33a96cdf223643b [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" "5a42e0fe0c4b259226217dbac5b32e9d05cee19f449f322ce33a96cdf223643b", kill_on_drop: false }` [INFO] [stderr] Compiling data-structure v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `is_empty` [INFO] [stdout] --> src/data_structure/stack.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn is_empty(&self) -> bool { [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: `length` [INFO] [stdout] --> src/data_structure/stack.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn length(&self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/data_structure/stack.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.13s [INFO] running `Command { std: "docker" "inspect" "5a42e0fe0c4b259226217dbac5b32e9d05cee19f449f322ce33a96cdf223643b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a42e0fe0c4b259226217dbac5b32e9d05cee19f449f322ce33a96cdf223643b", kill_on_drop: false }` [INFO] [stdout] 5a42e0fe0c4b259226217dbac5b32e9d05cee19f449f322ce33a96cdf223643b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 2a68fef8927f6a15209ba432b5c0d935ac773dc847978fc16aa986cb65893b02 [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" "2a68fef8927f6a15209ba432b5c0d935ac773dc847978fc16aa986cb65893b02", kill_on_drop: false }` [INFO] [stderr] Compiling data-structure v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `is_empty` [INFO] [stdout] --> src/data_structure/stack.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn is_empty(&self) -> bool { [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: `length` [INFO] [stdout] --> src/data_structure/stack.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn length(&self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/data_structure/stack.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_empty` [INFO] [stdout] --> src/data_structure/stack.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn is_empty(&self) -> bool { [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: `length` [INFO] [stdout] --> src/data_structure/stack.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn length(&self) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/data_structure/stack.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn peek(&self) -> Option<&T> { [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 1.20s [INFO] running `Command { std: "docker" "inspect" "2a68fef8927f6a15209ba432b5c0d935ac773dc847978fc16aa986cb65893b02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a68fef8927f6a15209ba432b5c0d935ac773dc847978fc16aa986cb65893b02", kill_on_drop: false }` [INFO] [stdout] 2a68fef8927f6a15209ba432b5c0d935ac773dc847978fc16aa986cb65893b02 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 3e8aead11bc5fccf1601db2a3d3233f342e8ec10a23e15ac9ff00cc03b3c42bf [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" "3e8aead11bc5fccf1601db2a3d3233f342e8ec10a23e15ac9ff00cc03b3c42bf", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: associated function is never used: `is_empty` [INFO] [stderr] --> src/data_structure/stack.rs:21:12 [INFO] [stderr] | [INFO] [stderr] 21 | pub fn is_empty(&self) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `length` [INFO] [stderr] --> src/data_structure/stack.rs:25:12 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn length(&self) -> usize { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `peek` [INFO] [stderr] --> src/data_structure/stack.rs:29:12 [INFO] [stderr] | [INFO] [stderr] 29 | pub fn peek(&self) -> Option<&T> { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: `data-structure` (bin "data-structure") generated 3 warnings [INFO] [stderr] warning: `data-structure` (bin "data-structure" test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/data_structure-56258ea7647cb8d0) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/data_structure-7111fa4f296eea53) [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] [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 0.01s [INFO] [stdout] [INFO] [stderr] Running tests/stack_test.rs (/opt/rustwide/target/debug/deps/stack_test-ea0bfe53dcd46d67) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test stack_test ... ok [INFO] [stderr] Doc-tests data-structure [INFO] [stdout] test empty_pop - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [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" "3e8aead11bc5fccf1601db2a3d3233f342e8ec10a23e15ac9ff00cc03b3c42bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e8aead11bc5fccf1601db2a3d3233f342e8ec10a23e15ac9ff00cc03b3c42bf", kill_on_drop: false }` [INFO] [stdout] 3e8aead11bc5fccf1601db2a3d3233f342e8ec10a23e15ac9ff00cc03b3c42bf