[INFO] cloning repository https://github.com/joeshaw/advent2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joeshaw/advent2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoeshaw%2Fadvent2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoeshaw%2Fadvent2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb2fb82dd912306d6276291010c795b8a7b28eb6
[INFO] checking joeshaw/advent2020 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%2Fjoeshaw%2Fadvent2020" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/joeshaw/advent2020
[INFO] finished tweaking git repo https://github.com/joeshaw/advent2020
[INFO] tweaked toml for git repo https://github.com/joeshaw/advent2020 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/joeshaw/advent2020 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/joeshaw/advent2020 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 20eaa2b66b84675b0a1c1246b120136278b34ad1e1356b3590e5aff3a98cce90
[INFO] running `Command { std: "docker" "start" "-a" "20eaa2b66b84675b0a1c1246b120136278b34ad1e1356b3590e5aff3a98cce90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20eaa2b66b84675b0a1c1246b120136278b34ad1e1356b3590e5aff3a98cce90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20eaa2b66b84675b0a1c1246b120136278b34ad1e1356b3590e5aff3a98cce90", kill_on_drop: false }`
[INFO] [stdout] 20eaa2b66b84675b0a1c1246b120136278b34ad1e1356b3590e5aff3a98cce90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 05448f147ce3d1232e30fdf5b2f79d8e49377a5419cb194bf09c1fbe55b5836b
[INFO] running `Command { std: "docker" "start" "-a" "05448f147ce3d1232e30fdf5b2f79d8e49377a5419cb194bf09c1fbe55b5836b", kill_on_drop: false }`
[INFO] [stderr]     Checking advent2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Entry, Infallible>
[INFO] [stdout]   --> src/bin/day2/main.rs:19:53
[INFO] [stdout]    |
[INFO] [stdout] 19 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |         })
[INFO] [stdout] 35 | |     }
[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<Entry, Infallible>
[INFO] [stdout]   --> src/bin/day2/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | /         Ok(Entry {
[INFO] [stdout] 30 | |             p1: parts[0].parse().unwrap(),
[INFO] [stdout] 31 | |             p2: parts[1].parse().unwrap(),
[INFO] [stdout] 32 | |             c: parts[2].chars().next().unwrap(),
[INFO] [stdout] 33 | |             password: parts[4].to_string(),
[INFO] [stdout] 34 | |         })
[INFO] [stdout]    | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Entry, Infallible>
[INFO] [stdout]   --> src/bin/day2/main.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let e = Entry::from_str(l.unwrap().as_str()).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent2020` (bin "day2") due to 3 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<Entry, Infallible>
[INFO] [stdout]   --> src/bin/day2/main.rs:19:53
[INFO] [stdout]    |
[INFO] [stdout] 19 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |         })
[INFO] [stdout] 35 | |     }
[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<Entry, Infallible>
[INFO] [stdout]   --> src/bin/day2/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | /         Ok(Entry {
[INFO] [stdout] 30 | |             p1: parts[0].parse().unwrap(),
[INFO] [stdout] 31 | |             p2: parts[1].parse().unwrap(),
[INFO] [stdout] 32 | |             c: parts[2].chars().next().unwrap(),
[INFO] [stdout] 33 | |             password: parts[4].to_string(),
[INFO] [stdout] 34 | |         })
[INFO] [stdout]    | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Entry, Infallible>
[INFO] [stdout]   --> src/bin/day2/main.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let e = Entry::from_str(l.unwrap().as_str()).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent2020` (bin "day2" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "05448f147ce3d1232e30fdf5b2f79d8e49377a5419cb194bf09c1fbe55b5836b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05448f147ce3d1232e30fdf5b2f79d8e49377a5419cb194bf09c1fbe55b5836b", kill_on_drop: false }`
[INFO] [stdout] 05448f147ce3d1232e30fdf5b2f79d8e49377a5419cb194bf09c1fbe55b5836b