[INFO] cloning repository https://github.com/lbrindze/AdventOfCode2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lbrindze/AdventOfCode2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flbrindze%2FAdventOfCode2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flbrindze%2FAdventOfCode2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a18409f445ff5e3d57b363d5fffe79a429c6774f
[INFO] checking lbrindze/AdventOfCode2020 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flbrindze%2FAdventOfCode2020" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lbrindze/AdventOfCode2020
[INFO] finished tweaking git repo https://github.com/lbrindze/AdventOfCode2020
[INFO] tweaked toml for git repo https://github.com/lbrindze/AdventOfCode2020 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lbrindze/AdventOfCode2020 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lbrindze/AdventOfCode2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bd904845aa192f28eedffa566621ac4c74873b2a1e64ba73b3a07e1515ed6ff
[INFO] running `Command { std: "docker" "start" "-a" "7bd904845aa192f28eedffa566621ac4c74873b2a1e64ba73b3a07e1515ed6ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bd904845aa192f28eedffa566621ac4c74873b2a1e64ba73b3a07e1515ed6ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bd904845aa192f28eedffa566621ac4c74873b2a1e64ba73b3a07e1515ed6ff", kill_on_drop: false }`
[INFO] [stdout] 7bd904845aa192f28eedffa566621ac4c74873b2a1e64ba73b3a07e1515ed6ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97e8b7c64af81fc9fb62a7fb2c1603858a463ae17f8e70f1a73c91ae0bbcd2d0
[INFO] running `Command { std: "docker" "start" "-a" "97e8b7c64af81fc9fb62a7fb2c1603858a463ae17f8e70f1a73c91ae0bbcd2d0", kill_on_drop: false }`
[INFO] [stderr]     Checking aoc_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/day4.rs:39:26
[INFO] [stdout]    |
[INFO] [stdout] 39 |         self.pid = match value.parse::<String>() {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/day4.rs:46:26
[INFO] [stdout]    |
[INFO] [stdout] 46 |         self.cid = match value.parse::<String>() {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/day4.rs:84:33
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 self.hgt = Some(value.parse().unwrap());
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/day4.rs:90:33
[INFO] [stdout]    |
[INFO] [stdout] 90 |                 self.hgt = Some(value.parse().unwrap());
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/day4.rs:97:29
[INFO] [stdout]    |
[INFO] [stdout] 97 |             self.hcl = Some(value.parse().unwrap());
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/bin/day4.rs:102:26
[INFO] [stdout]     |
[INFO] [stdout] 102 |         self.ecl = match value.parse::<String>() {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc_2020` (bin "day4" test) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/day4.rs:39:26
[INFO] [stdout]    |
[INFO] [stdout] 39 |         self.pid = match value.parse::<String>() {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/day4.rs:46:26
[INFO] [stdout]    |
[INFO] [stdout] 46 |         self.cid = match value.parse::<String>() {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/day4.rs:84:33
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 self.hgt = Some(value.parse().unwrap());
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/day4.rs:90:33
[INFO] [stdout]    |
[INFO] [stdout] 90 |                 self.hgt = Some(value.parse().unwrap());
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/bin/day4.rs:97:29
[INFO] [stdout]    |
[INFO] [stdout] 97 |             self.hcl = Some(value.parse().unwrap());
[INFO] [stdout]    |                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/bin/day4.rs:102:26
[INFO] [stdout]     |
[INFO] [stdout] 102 |         self.ecl = match value.parse::<String>() {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc_2020` (bin "day4") due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "97e8b7c64af81fc9fb62a7fb2c1603858a463ae17f8e70f1a73c91ae0bbcd2d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97e8b7c64af81fc9fb62a7fb2c1603858a463ae17f8e70f1a73c91ae0bbcd2d0", kill_on_drop: false }`
[INFO] [stdout] 97e8b7c64af81fc9fb62a7fb2c1603858a463ae17f8e70f1a73c91ae0bbcd2d0