[INFO] cloning repository https://github.com/tswinb/Advent-of-Code-2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tswinb/Advent-of-Code-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftswinb%2FAdvent-of-Code-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftswinb%2FAdvent-of-Code-2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 744547e4c52025013e6fe04259b56f936b2bc82d
[INFO] testing tswinb/Advent-of-Code-2019 against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftswinb%2FAdvent-of-Code-2019" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tswinb/Advent-of-Code-2019 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tswinb/Advent-of-Code-2019
[INFO] finished tweaking git repo https://github.com/tswinb/Advent-of-Code-2019
[INFO] tweaked toml for git repo https://github.com/tswinb/Advent-of-Code-2019 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/tswinb/Advent-of-Code-2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 83dea61abf9088a82e6444ba8d45fbaa516c83bd62f17ca17ef8c20b65285634
[INFO] running `Command { std: "docker" "start" "-a" "83dea61abf9088a82e6444ba8d45fbaa516c83bd62f17ca17ef8c20b65285634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83dea61abf9088a82e6444ba8d45fbaa516c83bd62f17ca17ef8c20b65285634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83dea61abf9088a82e6444ba8d45fbaa516c83bd62f17ca17ef8c20b65285634", kill_on_drop: false }`
[INFO] [stdout] 83dea61abf9088a82e6444ba8d45fbaa516c83bd62f17ca17ef8c20b65285634
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9eab38fcdb77fdcddae14984e6cc924a07c53ccb07df7a413177d1464679591b
[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" "9eab38fcdb77fdcddae14984e6cc924a07c53ccb07df7a413177d1464679591b", kill_on_drop: false }`
[INFO] [stderr]    Compiling adventofcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/bin/day01.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |     for (index, line) in reader.lines().enumerate() {
[INFO] [stdout]    |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/bin/day01.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 |           Err(e) => {
[INFO] [stdout]    |               ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.33s
[INFO] running `Command { std: "docker" "inspect" "9eab38fcdb77fdcddae14984e6cc924a07c53ccb07df7a413177d1464679591b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eab38fcdb77fdcddae14984e6cc924a07c53ccb07df7a413177d1464679591b", kill_on_drop: false }`
[INFO] [stdout] 9eab38fcdb77fdcddae14984e6cc924a07c53ccb07df7a413177d1464679591b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", 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] 84e446edfefb95f9e92ca06a579497329b3c748c30e83b5ae1aea0afb1be4fe4
[INFO] running `Command { std: "docker" "start" "-a" "84e446edfefb95f9e92ca06a579497329b3c748c30e83b5ae1aea0afb1be4fe4", kill_on_drop: false }`
[INFO] [stderr]    Compiling adventofcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/bin/day01.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |     for (index, line) in reader.lines().enumerate() {
[INFO] [stdout]    |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/bin/day01.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 |           Err(e) => {
[INFO] [stdout]    |               ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.67s
[INFO] [stderr]   Executable unittests src/bin/day01.rs (/opt/rustwide/target/debug/deps/day01-292d877c1d69acf6)
[INFO] [stderr]   Executable unittests src/bin/day02.rs (/opt/rustwide/target/debug/deps/day02-0db39199fc423abe)
[INFO] [stderr]   Executable unittests src/bin/day03-part1.rs (/opt/rustwide/target/debug/deps/day03_part1-8d2286e46acc01cb)
[INFO] [stderr]   Executable unittests src/bin/day03-part2.rs (/opt/rustwide/target/debug/deps/day03_part2-2e933d64f577be8b)
[INFO] [stderr]   Executable unittests src/bin/day04.rs (/opt/rustwide/target/debug/deps/day04-0d0fa7cd8ab2e53d)
[INFO] running `Command { std: "docker" "inspect" "84e446edfefb95f9e92ca06a579497329b3c748c30e83b5ae1aea0afb1be4fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84e446edfefb95f9e92ca06a579497329b3c748c30e83b5ae1aea0afb1be4fe4", kill_on_drop: false }`
[INFO] [stdout] 84e446edfefb95f9e92ca06a579497329b3c748c30e83b5ae1aea0afb1be4fe4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] d115998d7b23aff8816d4743e3a9f62c061c511e67c624694a2042ae6701c2f0
[INFO] running `Command { std: "docker" "start" "-a" "d115998d7b23aff8816d4743e3a9f62c061c511e67c624694a2042ae6701c2f0", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/bin/day01.rs:12:10
[INFO] [stderr]    |
[INFO] [stderr] 12 |     for (index, line) in reader.lines().enumerate() {
[INFO] [stderr]    |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/bin/day01.rs:16:15
[INFO] [stderr]    |
[INFO] [stderr] 16 |           Err(e) => {
[INFO] [stderr]    |               ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: `adventofcode` (bin "day01" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day01.rs (/opt/rustwide/target/debug/deps/day01-292d877c1d69acf6)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/bin/day02.rs (/opt/rustwide/target/debug/deps/day02-0db39199fc423abe)
[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] [stdout] 
[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] [stderr]      Running unittests src/bin/day03-part1.rs (/opt/rustwide/target/debug/deps/day03_part1-8d2286e46acc01cb)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day03-part2.rs (/opt/rustwide/target/debug/deps/day03_part2-2e933d64f577be8b)
[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] [stderr]      Running unittests src/bin/day04.rs (/opt/rustwide/target/debug/deps/day04-0d0fa7cd8ab2e53d)
[INFO] [stdout] 
[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] [stdout] 
[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" "d115998d7b23aff8816d4743e3a9f62c061c511e67c624694a2042ae6701c2f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d115998d7b23aff8816d4743e3a9f62c061c511e67c624694a2042ae6701c2f0", kill_on_drop: false }`
[INFO] [stdout] d115998d7b23aff8816d4743e3a9f62c061c511e67c624694a2042ae6701c2f0