[INFO] updating cached repository https://github.com/Nalleyer/rust_99_problem [INFO] running `"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"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 963a80b26b71b2cb375922c8d99b1096e715d0e5 [INFO] testing Nalleyer/rust_99_problem against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNalleyer%2Frust_99_problem" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Nalleyer/rust_99_problem on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/Nalleyer/rust_99_problem [INFO] finished tweaking git repo https://github.com/Nalleyer/rust_99_problem [INFO] tweaked toml for git repo https://github.com/Nalleyer/rust_99_problem written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/Nalleyer/rust_99_problem already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0c618258edb26e4b6be8edb035cf2f4b50684bc03e2c8f2acb5321975c5d4004 [INFO] running `"docker" "start" "-a" "0c618258edb26e4b6be8edb035cf2f4b50684bc03e2c8f2acb5321975c5d4004"` [INFO] [stderr] Compiling libc v0.2.50 [INFO] [stderr] Compiling syn v0.15.29 [INFO] [stderr] Compiling cfg-if v0.1.7 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling regex v1.1.2 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling env_logger v0.6.1 [INFO] [stderr] Compiling quickcheck v0.8.2 [INFO] [stderr] Compiling quickcheck_macros v0.8.0 [INFO] [stderr] Compiling rust_99_problem v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/solves/p7.rs:14:24 [INFO] [stderr] | [INFO] [stderr] 14 | Node::Item(x) => vec!(node.clone()), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `is_item` [INFO] [stderr] --> src/common.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let is_item: bool = g.gen(); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_item` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `flat` [INFO] [stderr] --> src/solves/p7.rs:11:8 [INFO] [stderr] | [INFO] [stderr] 11 | pub fn flat(ls: &List) -> List { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 37.53s [INFO] running `"docker" "inspect" "0c618258edb26e4b6be8edb035cf2f4b50684bc03e2c8f2acb5321975c5d4004"` [INFO] running `"docker" "rm" "-f" "0c618258edb26e4b6be8edb035cf2f4b50684bc03e2c8f2acb5321975c5d4004"` [INFO] [stdout] 0c618258edb26e4b6be8edb035cf2f4b50684bc03e2c8f2acb5321975c5d4004 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] cbd14b22df6257d2b0501952cb4b4c6f128a0bae7da1660bd5052f332ca7de34 [INFO] running `"docker" "start" "-a" "cbd14b22df6257d2b0501952cb4b4c6f128a0bae7da1660bd5052f332ca7de34"` [INFO] [stderr] Compiling rust_99_problem v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | #[macro_use(quickcheck)] [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/solves/p7.rs:14:24 [INFO] [stderr] | [INFO] [stderr] 14 | Node::Item(x) => vec!(node.clone()), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `is_item` [INFO] [stderr] --> src/common.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let is_item: bool = g.gen(); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_item` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.06s [INFO] running `"docker" "inspect" "cbd14b22df6257d2b0501952cb4b4c6f128a0bae7da1660bd5052f332ca7de34"` [INFO] running `"docker" "rm" "-f" "cbd14b22df6257d2b0501952cb4b4c6f128a0bae7da1660bd5052f332ca7de34"` [INFO] [stdout] cbd14b22df6257d2b0501952cb4b4c6f128a0bae7da1660bd5052f332ca7de34 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"` [INFO] [stdout] 2cefbf98eb2eacbdc8469b2adfe9064effa3fff473cccd11b89d33d5e984a785 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "2cefbf98eb2eacbdc8469b2adfe9064effa3fff473cccd11b89d33d5e984a785"` [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | #[macro_use(quickcheck)] [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/solves/p7.rs:14:24 [INFO] [stderr] | [INFO] [stderr] 14 | Node::Item(x) => vec!(node.clone()), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `is_item` [INFO] [stderr] --> src/common.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let is_item: bool = g.gen(); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_item` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_99_problem-886f8465f97815be [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test solves::p7::tests::empty ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "2cefbf98eb2eacbdc8469b2adfe9064effa3fff473cccd11b89d33d5e984a785"` [INFO] running `"docker" "rm" "-f" "2cefbf98eb2eacbdc8469b2adfe9064effa3fff473cccd11b89d33d5e984a785"` [INFO] [stdout] 2cefbf98eb2eacbdc8469b2adfe9064effa3fff473cccd11b89d33d5e984a785