[INFO] cloning repository https://github.com/jamie-null/day11 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jamie-null/day11" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamie-null%2Fday11", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamie-null%2Fday11'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cadbdce7d839176b216da318baeb94e2d2523f91 [INFO] testing jamie-null/day11 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamie-null%2Fday11" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jamie-null/day11 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/jamie-null/day11 [INFO] finished tweaking git repo https://github.com/jamie-null/day11 [INFO] tweaked toml for git repo https://github.com/jamie-null/day11 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/jamie-null/day11 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 flatbuffers v0.6.1 [INFO] [stderr] Downloaded arrow v2.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] fa73f8e479f594eee57018d852f361770f8362209ff3c906b86a7eb3cc006ea8 [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" "fa73f8e479f594eee57018d852f361770f8362209ff3c906b86a7eb3cc006ea8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fa73f8e479f594eee57018d852f361770f8362209ff3c906b86a7eb3cc006ea8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa73f8e479f594eee57018d852f361770f8362209ff3c906b86a7eb3cc006ea8", kill_on_drop: false }` [INFO] [stdout] fa73f8e479f594eee57018d852f361770f8362209ff3c906b86a7eb3cc006ea8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] a5d06363b967b1b2e52bd07d7ed0546a458a2e411d26a6ed3ec4dc78f4dfe63b [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" "a5d06363b967b1b2e52bd07d7ed0546a458a2e411d26a6ed3ec4dc78f4dfe63b", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling serde_json v1.0.60 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling smallvec v1.5.1 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling regex v1.4.2 [INFO] [stderr] Compiling flatbuffers v0.6.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.3.1 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling num-complex v0.3.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling bstr v0.2.14 [INFO] [stderr] Compiling num v0.3.1 [INFO] [stderr] Compiling csv v1.1.5 [INFO] [stderr] Compiling arrow v2.0.0 [INFO] [stderr] Compiling day11 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `a` is assigned to, but never used [INFO] [stdout] --> src/main.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | let mut a; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_a` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `b` is assigned to, but never used [INFO] [stdout] --> src/main.rs:28:13 [INFO] [stdout] | [INFO] [stdout] 28 | let mut b; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_b` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `a` is never read [INFO] [stdout] --> src/main.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | a = &mut seats; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `b` is never read [INFO] [stdout] --> src/main.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | b = &mut buffer; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `a` is never read [INFO] [stdout] --> src/main.rs:37:13 [INFO] [stdout] | [INFO] [stdout] 37 | a = &mut buffer; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `b` is never read [INFO] [stdout] --> src/main.rs:38:13 [INFO] [stdout] | [INFO] [stdout] 38 | b = &mut seats; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/main.rs:43:21 [INFO] [stdout] | [INFO] [stdout] 43 | let mut count = 0; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | let mut count = 0; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 03s [INFO] running `Command { std: "docker" "inspect" "a5d06363b967b1b2e52bd07d7ed0546a458a2e411d26a6ed3ec4dc78f4dfe63b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5d06363b967b1b2e52bd07d7ed0546a458a2e411d26a6ed3ec4dc78f4dfe63b", kill_on_drop: false }` [INFO] [stdout] a5d06363b967b1b2e52bd07d7ed0546a458a2e411d26a6ed3ec4dc78f4dfe63b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 5d86775007bf3565855db8adc8463e7d04e9880244e38d0a7d92fdc5ee536f77 [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" "5d86775007bf3565855db8adc8463e7d04e9880244e38d0a7d92fdc5ee536f77", kill_on_drop: false }` [INFO] [stderr] Compiling day11 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `a` is assigned to, but never used [INFO] [stdout] --> src/main.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | let mut a; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_a` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `b` is assigned to, but never used [INFO] [stdout] --> src/main.rs:28:13 [INFO] [stdout] | [INFO] [stdout] 28 | let mut b; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_b` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `a` is never read [INFO] [stdout] --> src/main.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | a = &mut seats; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `b` is never read [INFO] [stdout] --> src/main.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | b = &mut buffer; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `a` is never read [INFO] [stdout] --> src/main.rs:37:13 [INFO] [stdout] | [INFO] [stdout] 37 | a = &mut buffer; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `b` is never read [INFO] [stdout] --> src/main.rs:38:13 [INFO] [stdout] | [INFO] [stdout] 38 | b = &mut seats; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/main.rs:43:21 [INFO] [stdout] | [INFO] [stdout] 43 | let mut count = 0; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | let mut count = 0; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.07s [INFO] running `Command { std: "docker" "inspect" "5d86775007bf3565855db8adc8463e7d04e9880244e38d0a7d92fdc5ee536f77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d86775007bf3565855db8adc8463e7d04e9880244e38d0a7d92fdc5ee536f77", kill_on_drop: false }` [INFO] [stdout] 5d86775007bf3565855db8adc8463e7d04e9880244e38d0a7d92fdc5ee536f77 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 7c5fbaf4d7fd552e8457dda03edaade5d44e73251b6e9664a73e96071831c9b7 [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" "7c5fbaf4d7fd552e8457dda03edaade5d44e73251b6e9664a73e96071831c9b7", kill_on_drop: false }` [INFO] [stderr] warning: variable `a` is assigned to, but never used [INFO] [stderr] --> src/main.rs:27:13 [INFO] [stderr] | [INFO] [stderr] 27 | let mut a; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_a` instead [INFO] [stderr] [INFO] [stderr] warning: variable `b` is assigned to, but never used [INFO] [stderr] --> src/main.rs:28:13 [INFO] [stderr] | [INFO] [stderr] 28 | let mut b; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_b` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `a` is never read [INFO] [stderr] --> src/main.rs:34:13 [INFO] [stderr] | [INFO] [stderr] 34 | a = &mut seats; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `b` is never read [INFO] [stderr] --> src/main.rs:35:13 [INFO] [stderr] | [INFO] [stderr] 35 | b = &mut buffer; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `a` is never read [INFO] [stderr] --> src/main.rs:37:13 [INFO] [stderr] | [INFO] [stderr] 37 | a = &mut buffer; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `b` is never read [INFO] [stderr] --> src/main.rs:38:13 [INFO] [stderr] | [INFO] [stderr] 38 | b = &mut seats; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `count` [INFO] [stderr] --> src/main.rs:43:21 [INFO] [stderr] | [INFO] [stderr] 43 | let mut count = 0; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_count` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:43:17 [INFO] [stderr] | [INFO] [stderr] 43 | let mut count = 0; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/day11-d76313b4f829fd52) [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" "7c5fbaf4d7fd552e8457dda03edaade5d44e73251b6e9664a73e96071831c9b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c5fbaf4d7fd552e8457dda03edaade5d44e73251b6e9664a73e96071831c9b7", kill_on_drop: false }` [INFO] [stdout] 7c5fbaf4d7fd552e8457dda03edaade5d44e73251b6e9664a73e96071831c9b7