[INFO] cloning repository https://github.com/Nalleyer/rust_99_problem [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nalleyer/rust_99_problem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNalleyer%2Frust_99_problem", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNalleyer%2Frust_99_problem'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 963a80b26b71b2cb375922c8d99b1096e715d0e5 [INFO] testing Nalleyer/rust_99_problem against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNalleyer%2Frust_99_problem" "/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/Nalleyer/rust_99_problem on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-3/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded quickcheck v0.8.2 [INFO] [stderr] Downloaded quickcheck_macros v0.8.0 [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" "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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e8f583efc3feade45ce8a8bd3b0f7870e4df0816be131d1ee475a6c3ece397ad [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" "e8f583efc3feade45ce8a8bd3b0f7870e4df0816be131d1ee475a6c3ece397ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e8f583efc3feade45ce8a8bd3b0f7870e4df0816be131d1ee475a6c3ece397ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8f583efc3feade45ce8a8bd3b0f7870e4df0816be131d1ee475a6c3ece397ad", kill_on_drop: false }` [INFO] [stdout] e8f583efc3feade45ce8a8bd3b0f7870e4df0816be131d1ee475a6c3ece397ad [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" "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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1ab2d5008c79f81374012261e135989b54cdd8e44701541cbb3e198bbdd1094e [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" "1ab2d5008c79f81374012261e135989b54cdd8e44701541cbb3e198bbdd1094e", kill_on_drop: false }` [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling regex v1.1.2 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling cfg-if v0.1.7 [INFO] [stderr] Compiling syn v0.15.29 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling regex-syntax v0.6.5 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.3 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling quote v0.6.11 [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] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/solves/p7.rs:14:24 [INFO] [stdout] | [INFO] [stdout] 14 | Node::Item(x) => vec!(node.clone()), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `is_item` [INFO] [stdout] --> src/common.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | let is_item: bool = g.gen(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_item` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `flat` [INFO] [stdout] --> src/solves/p7.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn flat(ls: &List) -> List { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.87s [INFO] running `Command { std: "docker" "inspect" "1ab2d5008c79f81374012261e135989b54cdd8e44701541cbb3e198bbdd1094e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ab2d5008c79f81374012261e135989b54cdd8e44701541cbb3e198bbdd1094e", kill_on_drop: false }` [INFO] [stdout] 1ab2d5008c79f81374012261e135989b54cdd8e44701541cbb3e198bbdd1094e [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" "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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9d9d9efd1d3fb2be792981dc8634d67c273c9c151467e8139de24e6f6c6e3ae9 [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" "9d9d9efd1d3fb2be792981dc8634d67c273c9c151467e8139de24e6f6c6e3ae9", kill_on_drop: false }` [INFO] [stderr] Compiling rust_99_problem v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | #[macro_use(quickcheck)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/solves/p7.rs:14:24 [INFO] [stdout] | [INFO] [stdout] 14 | Node::Item(x) => vec!(node.clone()), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `is_item` [INFO] [stdout] --> src/common.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | let is_item: bool = g.gen(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_item` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.82s [INFO] running `Command { std: "docker" "inspect" "9d9d9efd1d3fb2be792981dc8634d67c273c9c151467e8139de24e6f6c6e3ae9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d9d9efd1d3fb2be792981dc8634d67c273c9c151467e8139de24e6f6c6e3ae9", kill_on_drop: false }` [INFO] [stdout] 9d9d9efd1d3fb2be792981dc8634d67c273c9c151467e8139de24e6f6c6e3ae9 [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" "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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 630e97976930de8da7c5f96b16ab4f2dcfef97820689968b9e0e6c923e5403bc [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" "630e97976930de8da7c5f96b16ab4f2dcfef97820689968b9e0e6c923e5403bc", kill_on_drop: false }` [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 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_99_problem-9d17f4b05a64e39c) [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "630e97976930de8da7c5f96b16ab4f2dcfef97820689968b9e0e6c923e5403bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "630e97976930de8da7c5f96b16ab4f2dcfef97820689968b9e0e6c923e5403bc", kill_on_drop: false }` [INFO] [stdout] 630e97976930de8da7c5f96b16ab4f2dcfef97820689968b9e0e6c923e5403bc