[INFO] cloning repository https://github.com/duncandean/adventofcode2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/duncandean/adventofcode2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduncandean%2Fadventofcode2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduncandean%2Fadventofcode2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e5a542609de0d0d9b6bfba214c8514d4f0c700d
[INFO] testing duncandean/adventofcode2020 against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduncandean%2Fadventofcode2020" "/workspace/builds/worker-113/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-113/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/duncandean/adventofcode2020 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/duncandean/adventofcode2020
[INFO] finished tweaking git repo https://github.com/duncandean/adventofcode2020
[INFO] tweaked toml for git repo https://github.com/duncandean/adventofcode2020 written to /workspace/builds/worker-113/source/Cargo.toml
[INFO] crate git repo https://github.com/duncandean/adventofcode2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61421f494c800c8e64c47678045f58cfee4bf70a8d7aef3c50b443535dffc4de
[INFO] running `Command { std: "docker" "start" "-a" "61421f494c800c8e64c47678045f58cfee4bf70a8d7aef3c50b443535dffc4de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61421f494c800c8e64c47678045f58cfee4bf70a8d7aef3c50b443535dffc4de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61421f494c800c8e64c47678045f58cfee4bf70a8d7aef3c50b443535dffc4de", kill_on_drop: false }`
[INFO] [stdout] 61421f494c800c8e64c47678045f58cfee4bf70a8d7aef3c50b443535dffc4de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9942908cf0a4cfb4629bddc7a058db219c5a4886f164375cfef6ab25a08044d2
[INFO] running `Command { std: "docker" "start" "-a" "9942908cf0a4cfb4629bddc7a058db219c5a4886f164375cfef6ab25a08044d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling day-2 v0.1.0 (/opt/rustwide/workdir/day-2)
[INFO] [stderr]    Compiling day-5 v0.1.0 (/opt/rustwide/workdir/day-5)
[INFO] [stderr]    Compiling day-4 v0.1.0 (/opt/rustwide/workdir/day-4)
[INFO] [stderr]    Compiling day-9 v0.1.0 (/opt/rustwide/workdir/day-9)
[INFO] [stderr]    Compiling day-8 v0.1.0 (/opt/rustwide/workdir/day-8)
[INFO] [stderr]    Compiling day-3 v0.1.0 (/opt/rustwide/workdir/day-3)
[INFO] [stderr]    Compiling day-10 v0.1.0 (/opt/rustwide/workdir/day-10)
[INFO] [stderr]    Compiling day-6 v0.1.0 (/opt/rustwide/workdir/day-6)
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stdout] warning: unused variable: `numbers`
[INFO] [stdout]   --> day-10/src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let numbers: Vec<u64> = read_lines(filepath)?
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_numbers`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling day-1 v0.1.0 (/opt/rustwide/workdir/day-1)
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling day-7 v0.1.0 (/opt/rustwide/workdir/day-7)
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]   --> day-7/src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let graph = rules_to_graph(&mut a);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.24s
[INFO] running `Command { std: "docker" "inspect" "9942908cf0a4cfb4629bddc7a058db219c5a4886f164375cfef6ab25a08044d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9942908cf0a4cfb4629bddc7a058db219c5a4886f164375cfef6ab25a08044d2", kill_on_drop: false }`
[INFO] [stdout] 9942908cf0a4cfb4629bddc7a058db219c5a4886f164375cfef6ab25a08044d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ee6c50c2e254918d2cea28157e3103d5751e462f35b33b292e361ef1c1950bc
[INFO] running `Command { std: "docker" "start" "-a" "6ee6c50c2e254918d2cea28157e3103d5751e462f35b33b292e361ef1c1950bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling day-6 v0.1.0 (/opt/rustwide/workdir/day-6)
[INFO] [stderr]    Compiling day-9 v0.1.0 (/opt/rustwide/workdir/day-9)
[INFO] [stderr]    Compiling day-4 v0.1.0 (/opt/rustwide/workdir/day-4)
[INFO] [stderr]    Compiling day-8 v0.1.0 (/opt/rustwide/workdir/day-8)
[INFO] [stderr]    Compiling day-3 v0.1.0 (/opt/rustwide/workdir/day-3)
[INFO] [stderr]    Compiling day-5 v0.1.0 (/opt/rustwide/workdir/day-5)
[INFO] [stderr]    Compiling day-2 v0.1.0 (/opt/rustwide/workdir/day-2)
[INFO] [stderr]    Compiling day-10 v0.1.0 (/opt/rustwide/workdir/day-10)
[INFO] [stderr]    Compiling day-1 v0.1.0 (/opt/rustwide/workdir/day-1)
[INFO] [stderr]    Compiling day-7 v0.1.0 (/opt/rustwide/workdir/day-7)
[INFO] [stdout] warning: unused variable: `numbers`
[INFO] [stdout]   --> day-10/src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let numbers: Vec<u64> = read_lines(filepath)?
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_numbers`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]   --> day-7/src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let graph = rules_to_graph(&mut a);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "6ee6c50c2e254918d2cea28157e3103d5751e462f35b33b292e361ef1c1950bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ee6c50c2e254918d2cea28157e3103d5751e462f35b33b292e361ef1c1950bc", kill_on_drop: false }`
[INFO] [stdout] 6ee6c50c2e254918d2cea28157e3103d5751e462f35b33b292e361ef1c1950bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9005c60e36b60dfc18d7e5e5ac6309425deced5cfc628a0547369458afdc5b91
[INFO] running `Command { std: "docker" "start" "-a" "9005c60e36b60dfc18d7e5e5ac6309425deced5cfc628a0547369458afdc5b91", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `numbers`
[INFO] [stderr]   --> day-10/src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let numbers: Vec<u64> = read_lines(filepath)?
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_numbers`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `day-10` (bin "day-10" test) generated 1 warning
[INFO] [stderr] warning: unused variable: `graph`
[INFO] [stderr]   --> day-7/src/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let graph = rules_to_graph(&mut a);
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `day-7` (bin "day-7" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day_1-22241fdb0c0a689d)
[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 (/opt/rustwide/target/debug/deps/day_10-1bb3debdb57145ea)
[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 (/opt/rustwide/target/debug/deps/day_2-db082d21bd4375ed)
[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 (/opt/rustwide/target/debug/deps/day_3-7c9e39d1ea3217cb)
[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 (/opt/rustwide/target/debug/deps/day_4-862f270c7b31e608)
[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 (/opt/rustwide/target/debug/deps/day_5-397478bfcd8b53bf)
[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 (/opt/rustwide/target/debug/deps/day_6-091b55224a7d2713)
[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 (/opt/rustwide/target/debug/deps/day_7-a4ca2453f7d8e76a)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day_8-2f457b7d88184f19)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day_9-2e9da489534b05b5)
[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" "9005c60e36b60dfc18d7e5e5ac6309425deced5cfc628a0547369458afdc5b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9005c60e36b60dfc18d7e5e5ac6309425deced5cfc628a0547369458afdc5b91", kill_on_drop: false }`
[INFO] [stdout] 9005c60e36b60dfc18d7e5e5ac6309425deced5cfc628a0547369458afdc5b91