[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] checking shepmaster/advent-of-code-2020 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%2Fshepmaster%2Fadvent-of-code-2020" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[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-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shepmaster/advent-of-code-2020 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/shepmaster/advent-of-code-2020 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c1797098ed6079668582c552898a092df464cdbecad9f24b61bde429691ae89e
[INFO] running `Command { std: "docker" "start" "-a" "c1797098ed6079668582c552898a092df464cdbecad9f24b61bde429691ae89e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1797098ed6079668582c552898a092df464cdbecad9f24b61bde429691ae89e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1797098ed6079668582c552898a092df464cdbecad9f24b61bde429691ae89e", kill_on_drop: false }`
[INFO] [stdout] c1797098ed6079668582c552898a092df464cdbecad9f24b61bde429691ae89e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0dcaea0641ca99776dfffdcbcfb0494ca7ef221c3447e0c357e233e0cbec9595
[INFO] running `Command { std: "docker" "start" "-a" "0dcaea0641ca99776dfffdcbcfb0494ca7ef221c3447e0c357e233e0cbec9595", 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]     Checking either v1.6.1
[INFO] [stderr]     Checking day-03 v0.1.0 (/opt/rustwide/workdir/day-03)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Map, Infallible>
[INFO] [stdout]   --> day-03/src/main.rs:53:53
[INFO] [stdout]    |
[INFO] [stdout] 53 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 54 | |         let grid = s
[INFO] [stdout] 55 | |             .lines()
[INFO] [stdout] 56 | |             .enumerate()
[INFO] [stdout] ...  |
[INFO] [stdout] 75 | |         })
[INFO] [stdout] 76 | |     }
[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: std::result::Result<Map, Infallible>
[INFO] [stdout]   --> day-03/src/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | /         Ok(Self {
[INFO] [stdout] 72 | |             grid,
[INFO] [stdout] 73 | |             height,
[INFO] [stdout] 74 | |             width,
[INFO] [stdout] 75 | |         })
[INFO] [stdout]    | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, Map>
[INFO] [stdout]   --> day-03/src/main.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let m = Map::from_str(input)?;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Map, Infallible>
[INFO] [stdout]   --> day-03/src/main.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let m = Map::from_str(input)?;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day-03` (bin "day-03") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: function `demo_product` is never used
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Map, Infallible>
[INFO] [stdout]   --> day-03/src/main.rs:53:53
[INFO] [stdout]    |
[INFO] [stdout] 53 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 54 | |         let grid = s
[INFO] [stdout] 55 | |             .lines()
[INFO] [stdout] 56 | |             .enumerate()
[INFO] [stdout] ...  |
[INFO] [stdout] 75 | |         })
[INFO] [stdout] 76 | |     }
[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: std::result::Result<Map, Infallible>
[INFO] [stdout]   --> day-03/src/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | /         Ok(Self {
[INFO] [stdout] 72 | |             grid,
[INFO] [stdout] 73 | |             height,
[INFO] [stdout] 74 | |             width,
[INFO] [stdout] 75 | |         })
[INFO] [stdout]    | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, Map>
[INFO] [stdout]   --> day-03/src/main.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let m = Map::from_str(input)?;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Map, Infallible>
[INFO] [stdout]   --> day-03/src/main.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let m = Map::from_str(input)?;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, Map>
[INFO] [stdout]    --> day-03/src/main.rs:105:17
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let m = Map::from_str(TEST_INPUT)?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Map, Infallible>
[INFO] [stdout]    --> day-03/src/main.rs:105:17
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let m = Map::from_str(TEST_INPUT)?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, Map>
[INFO] [stdout]    --> day-03/src/main.rs:111:17
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let m = Map::from_str(TEST_INPUT)?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Map, Infallible>
[INFO] [stdout]    --> day-03/src/main.rs:111:17
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let m = Map::from_str(TEST_INPUT)?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `day-03` (bin "day-03" test) due to 8 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "0dcaea0641ca99776dfffdcbcfb0494ca7ef221c3447e0c357e233e0cbec9595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dcaea0641ca99776dfffdcbcfb0494ca7ef221c3447e0c357e233e0cbec9595", kill_on_drop: false }`
[INFO] [stdout] 0dcaea0641ca99776dfffdcbcfb0494ca7ef221c3447e0c357e233e0cbec9595
