[INFO] cloning repository https://github.com/natronium/jpgthing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/natronium/jpgthing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatronium%2Fjpgthing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatronium%2Fjpgthing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28aa8ce6714fa0e128161af176efa02e508f81b1
[INFO] checking natronium/jpgthing 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%2Fnatronium%2Fjpgthing" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/natronium/jpgthing
[INFO] finished tweaking git repo https://github.com/natronium/jpgthing
[INFO] tweaked toml for git repo https://github.com/natronium/jpgthing written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/natronium/jpgthing 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/natronium/jpgthing 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 26c3ab860ae4c37abd4aa7a1197d39d90538370cfe8084c8dcf52d7cab5def46
[INFO] running `Command { std: "docker" "start" "-a" "26c3ab860ae4c37abd4aa7a1197d39d90538370cfe8084c8dcf52d7cab5def46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26c3ab860ae4c37abd4aa7a1197d39d90538370cfe8084c8dcf52d7cab5def46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26c3ab860ae4c37abd4aa7a1197d39d90538370cfe8084c8dcf52d7cab5def46", kill_on_drop: false }`
[INFO] [stdout] 26c3ab860ae4c37abd4aa7a1197d39d90538370cfe8084c8dcf52d7cab5def46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 317d375eaf016d8f0ed2a8fe966b22dec8fc559916329588c0aa3d36c83ca9a5
[INFO] running `Command { std: "docker" "start" "-a" "317d375eaf016d8f0ed2a8fe966b22dec8fc559916329588c0aa3d36c83ca9a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling binrw_derive v0.12.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling binrw v0.12.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking jpgthing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/jpeg.rs:69:20
[INFO] [stdout]    |
[INFO] [stdout] 69 |         }, count = len-2)]
[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<usize, Infallible>
[INFO] [stdout]   --> src/jpeg.rs:78:20
[INFO] [stdout]    |
[INFO] [stdout] 78 |         }, count = len - 2)]
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/jpeg.rs:87:20
[INFO] [stdout]    |
[INFO] [stdout] 87 |         }, count = len - 2)]
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/jpeg.rs:95:22
[INFO] [stdout]    |
[INFO] [stdout] 95 |         #[br(count = len - 2)]
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/jpeg.rs:104:22
[INFO] [stdout]     |
[INFO] [stdout] 104 |         #[br(count = len - 2)]
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/jpeg.rs:186:18
[INFO] [stdout]     |
[INFO] [stdout] 186 |     #[br(count = nf)]
[INFO] [stdout]     |                  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/jpeg.rs:240:18
[INFO] [stdout]     |
[INFO] [stdout] 240 |     #[br(count = ns)]
[INFO] [stdout]     |                  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jpgthing` (bin "jpgthing" test) due to 7 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<usize, Infallible>
[INFO] [stdout]   --> src/jpeg.rs:69:20
[INFO] [stdout]    |
[INFO] [stdout] 69 |         }, count = len-2)]
[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<usize, Infallible>
[INFO] [stdout]   --> src/jpeg.rs:78:20
[INFO] [stdout]    |
[INFO] [stdout] 78 |         }, count = len - 2)]
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/jpeg.rs:87:20
[INFO] [stdout]    |
[INFO] [stdout] 87 |         }, count = len - 2)]
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]   --> src/jpeg.rs:95:22
[INFO] [stdout]    |
[INFO] [stdout] 95 |         #[br(count = len - 2)]
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/jpeg.rs:104:22
[INFO] [stdout]     |
[INFO] [stdout] 104 |         #[br(count = len - 2)]
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/jpeg.rs:186:18
[INFO] [stdout]     |
[INFO] [stdout] 186 |     #[br(count = nf)]
[INFO] [stdout]     |                  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/jpeg.rs:240:18
[INFO] [stdout]     |
[INFO] [stdout] 240 |     #[br(count = ns)]
[INFO] [stdout]     |                  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jpgthing` (bin "jpgthing") due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "317d375eaf016d8f0ed2a8fe966b22dec8fc559916329588c0aa3d36c83ca9a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "317d375eaf016d8f0ed2a8fe966b22dec8fc559916329588c0aa3d36c83ca9a5", kill_on_drop: false }`
[INFO] [stdout] 317d375eaf016d8f0ed2a8fe966b22dec8fc559916329588c0aa3d36c83ca9a5
