[INFO] cloning repository https://github.com/AJTJ/other_algos_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AJTJ/other_algos_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAJTJ%2Fother_algos_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAJTJ%2Fother_algos_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4f4e0c4257a2941be168984028119403adde684d [INFO] checking AJTJ/other_algos_rust against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAJTJ%2Fother_algos_rust" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AJTJ/other_algos_rust on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/AJTJ/other_algos_rust [INFO] finished tweaking git repo https://github.com/AJTJ/other_algos_rust [INFO] tweaked toml for git repo https://github.com/AJTJ/other_algos_rust written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/AJTJ/other_algos_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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] 573a0d69f6ca332b98f72c215f94804aa7a643396e0cdb91a5d9e06f7a5de07c [INFO] running `Command { std: "docker" "start" "-a" "573a0d69f6ca332b98f72c215f94804aa7a643396e0cdb91a5d9e06f7a5de07c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "573a0d69f6ca332b98f72c215f94804aa7a643396e0cdb91a5d9e06f7a5de07c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "573a0d69f6ca332b98f72c215f94804aa7a643396e0cdb91a5d9e06f7a5de07c", kill_on_drop: false }` [INFO] [stdout] 573a0d69f6ca332b98f72c215f94804aa7a643396e0cdb91a5d9e06f7a5de07c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5d8c0089eb32b3d458b622ff0bfef434fecbf004b81263d66efe523c6c07b302 [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" "5d8c0089eb32b3d458b622ff0bfef434fecbf004b81263d66efe523c6c07b302", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling serde_json v1.0.66 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking crossbeam-utils v0.8.5 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking bstr v0.2.16 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Compiling serde_derive v1.0.127 [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stderr] Checking rust_algos v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/bin/data_structures.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let b = Box::new(5); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Stack` [INFO] [stdout] --> src/bin/data_structures.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Stack { [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: `with_capacity` [INFO] [stdout] --> src/bin/data_structures.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn with_capacity(maxsize: usize) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> src/bin/data_structures.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/bin/data_structures.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let b = Box::new(5); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Stack` [INFO] [stdout] --> src/bin/data_structures.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Stack { [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: `with_capacity` [INFO] [stdout] --> src/bin/data_structures.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn with_capacity(maxsize: usize) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> src/bin/data_structures.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 35.19s [INFO] running `Command { std: "docker" "inspect" "5d8c0089eb32b3d458b622ff0bfef434fecbf004b81263d66efe523c6c07b302", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d8c0089eb32b3d458b622ff0bfef434fecbf004b81263d66efe523c6c07b302", kill_on_drop: false }` [INFO] [stdout] 5d8c0089eb32b3d458b622ff0bfef434fecbf004b81263d66efe523c6c07b302