[INFO] cloning repository https://github.com/assalielmehdi/maximum-number-of-balloons [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/assalielmehdi/maximum-number-of-balloons" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fassalielmehdi%2Fmaximum-number-of-balloons", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fassalielmehdi%2Fmaximum-number-of-balloons'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d2ec7f5964246f31bf2320532d022cf3da98607f [INFO] checking assalielmehdi/maximum-number-of-balloons against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fassalielmehdi%2Fmaximum-number-of-balloons" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/assalielmehdi/maximum-number-of-balloons on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/assalielmehdi/maximum-number-of-balloons [INFO] finished tweaking git repo https://github.com/assalielmehdi/maximum-number-of-balloons [INFO] tweaked toml for git repo https://github.com/assalielmehdi/maximum-number-of-balloons written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/assalielmehdi/maximum-number-of-balloons already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7009d15e6ec5eebbb2925c833dbca62ed76d899071b5c85fd77726fff6d05ed5 [INFO] running `Command { std: "docker" "start" "-a" "7009d15e6ec5eebbb2925c833dbca62ed76d899071b5c85fd77726fff6d05ed5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7009d15e6ec5eebbb2925c833dbca62ed76d899071b5c85fd77726fff6d05ed5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7009d15e6ec5eebbb2925c833dbca62ed76d899071b5c85fd77726fff6d05ed5", kill_on_drop: false }` [INFO] [stdout] 7009d15e6ec5eebbb2925c833dbca62ed76d899071b5c85fd77726fff6d05ed5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2f8c05d0d468099b3aac4de5e210df2b794f41cc18dee5bd1ecaff7491ce0ece [INFO] running `Command { std: "docker" "start" "-a" "2f8c05d0d468099b3aac4de5e210df2b794f41cc18dee5bd1ecaff7491ce0ece", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling getrandom v0.2.1 [INFO] [stderr] Compiling syn v1.0.58 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Checking tracing-core v0.1.17 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking rand_core v0.6.1 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking rand v0.8.2 [INFO] [stderr] Checking rayon-core v1.9.0 [INFO] [stderr] Compiling tracing-attributes v0.1.11 [INFO] [stderr] Checking tracing v0.1.22 [INFO] [stderr] Checking fast-tracer v0.1.0 (https://github.com/wagnerf42/fast-tracer#00d453ef) [INFO] [stderr] Checking maximum-number-of-balloons-parallel v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution_seq.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Solution; [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: `solve` [INFO] [stdout] --> src/solution_seq.rs:7:10 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn solve( [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> src/solution_seq.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Solution; [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: `solve` [INFO] [stdout] --> src/solution_seq.rs:7:10 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn solve( [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.34s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2f8c05d0d468099b3aac4de5e210df2b794f41cc18dee5bd1ecaff7491ce0ece", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f8c05d0d468099b3aac4de5e210df2b794f41cc18dee5bd1ecaff7491ce0ece", kill_on_drop: false }` [INFO] [stdout] 2f8c05d0d468099b3aac4de5e210df2b794f41cc18dee5bd1ecaff7491ce0ece