[INFO] cloning repository https://github.com/shepmaster/advent-of-code-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shepmaster/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshepmaster%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshepmaster%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4856b3133a87af1499d363d125c189c7d133399b
[INFO] testing shepmaster/advent-of-code-2020 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshepmaster%2Fadvent-of-code-2020" "/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/shepmaster/advent-of-code-2020 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shepmaster/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/shepmaster/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/shepmaster/advent-of-code-2020 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/shepmaster/advent-of-code-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e497ff6ef1c8f5c6f9f1e7292d8b28ac21c31afcdd476db70bc69cd424287f0
[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" "1e497ff6ef1c8f5c6f9f1e7292d8b28ac21c31afcdd476db70bc69cd424287f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e497ff6ef1c8f5c6f9f1e7292d8b28ac21c31afcdd476db70bc69cd424287f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e497ff6ef1c8f5c6f9f1e7292d8b28ac21c31afcdd476db70bc69cd424287f0", kill_on_drop: false }`
[INFO] [stdout] 1e497ff6ef1c8f5c6f9f1e7292d8b28ac21c31afcdd476db70bc69cd424287f0
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfe8b980d595e897b5179aa1fb81c09599bd562d5dc9c0ec44b5445c0f3e9281
[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" "cfe8b980d595e897b5179aa1fb81c09599bd562d5dc9c0ec44b5445c0f3e9281", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling day-03 v0.1.0 (/opt/rustwide/workdir/day-03)
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling snafu v0.6.10
[INFO] [stderr]    Compiling day-01 v0.1.0 (/opt/rustwide/workdir/day-01)
[INFO] [stderr]    Compiling day-05 v0.1.0 (/opt/rustwide/workdir/day-05)
[INFO] [stderr]    Compiling day-02 v0.1.0 (/opt/rustwide/workdir/day-02)
[INFO] [stderr]    Compiling day-04 v0.1.0 (/opt/rustwide/workdir/day-04)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.71s
[INFO] running `Command { std: "docker" "inspect" "cfe8b980d595e897b5179aa1fb81c09599bd562d5dc9c0ec44b5445c0f3e9281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfe8b980d595e897b5179aa1fb81c09599bd562d5dc9c0ec44b5445c0f3e9281", kill_on_drop: false }`
[INFO] [stdout] cfe8b980d595e897b5179aa1fb81c09599bd562d5dc9c0ec44b5445c0f3e9281
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3028db657c6f9173c48e70f5b2d09dfb90911d351c232682f566bbecc575dbe9
[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" "3028db657c6f9173c48e70f5b2d09dfb90911d351c232682f566bbecc575dbe9", kill_on_drop: false }`
[INFO] [stderr]    Compiling day-03 v0.1.0 (/opt/rustwide/workdir/day-03)
[INFO] [stderr]    Compiling day-01 v0.1.0 (/opt/rustwide/workdir/day-01)
[INFO] [stderr]    Compiling day-05 v0.1.0 (/opt/rustwide/workdir/day-05)
[INFO] [stderr]    Compiling day-02 v0.1.0 (/opt/rustwide/workdir/day-02)
[INFO] [stderr]    Compiling day-04 v0.1.0 (/opt/rustwide/workdir/day-04)
[INFO] [stdout] warning: function is never used: `demo_product`
[INFO] [stdout]    --> day-03/src/main.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn demo_product() -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `Command { std: "docker" "inspect" "3028db657c6f9173c48e70f5b2d09dfb90911d351c232682f566bbecc575dbe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3028db657c6f9173c48e70f5b2d09dfb90911d351c232682f566bbecc575dbe9", kill_on_drop: false }`
[INFO] [stdout] 3028db657c6f9173c48e70f5b2d09dfb90911d351c232682f566bbecc575dbe9
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1dff99efcbb36b8ea4f3435dc070986e05c15a980a523543dff3e9d45084b994
[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" "1dff99efcbb36b8ea4f3435dc070986e05c15a980a523543dff3e9d45084b994", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `demo_product`
[INFO] [stderr]    --> day-03/src/main.rs:110:8
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn demo_product() -> Result<()> {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `day-03` (bin "day-03" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day_01-fa6dd3d7a3ac1377)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day_02-06bb8d70a1096739)
[INFO] [stdout] test test::test_pair ... ok
[INFO] [stdout] test test::test_triple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day_03-556e659acf4370b5)
[INFO] [stdout] test test::demo_sled ... ok
[INFO] [stdout] test test::demo_toboggan ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 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_04-8318628c906e9ee1)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::demo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::demo ... ok
[INFO] [stdout] test test::demo_deep_valid ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day_05-9936ab2bfde1346e)
[INFO] [stdout] test test::demo_deep_invalid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::demo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1dff99efcbb36b8ea4f3435dc070986e05c15a980a523543dff3e9d45084b994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dff99efcbb36b8ea4f3435dc070986e05c15a980a523543dff3e9d45084b994", kill_on_drop: false }`
[INFO] [stdout] 1dff99efcbb36b8ea4f3435dc070986e05c15a980a523543dff3e9d45084b994