[INFO] cloning repository https://github.com/informario/thr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/informario/thr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finformario%2Fthr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finformario%2Fthr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a19844368db1b4e55c3584272545cb60848e8ad
[INFO] checking informario/thr 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%2Finformario%2Fthr" "/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/informario/thr
[INFO] finished tweaking git repo https://github.com/informario/thr
[INFO] tweaked toml for git repo https://github.com/informario/thr written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/informario/thr 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/informario/thr 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding arrayvec v0.7.6
[INFO] [stderr]       Adding bitcoin-io v0.1.3
[INFO] [stderr]       Adding bitcoin_hashes v0.14.0 (available: v0.17.0)
[INFO] [stderr]       Adding hex-conservative v0.2.1
[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] f391e476e88fd1385257280d1b5ad11f64939968ec025e6e2e757a24055c8a19
[INFO] running `Command { std: "docker" "start" "-a" "f391e476e88fd1385257280d1b5ad11f64939968ec025e6e2e757a24055c8a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f391e476e88fd1385257280d1b5ad11f64939968ec025e6e2e757a24055c8a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f391e476e88fd1385257280d1b5ad11f64939968ec025e6e2e757a24055c8a19", kill_on_drop: false }`
[INFO] [stdout] f391e476e88fd1385257280d1b5ad11f64939968ec025e6e2e757a24055c8a19
[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] ce0c98ecd3f2e83d089a4f869fdf5065b574e55f892c71109d2fe986f5e95049
[INFO] running `Command { std: "docker" "start" "-a" "ce0c98ecd3f2e83d089a4f869fdf5065b574e55f892c71109d2fe986f5e95049", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.208
[INFO] [stderr]    Compiling winnow v0.6.18
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling indexmap v2.4.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling gio v0.20.1
[INFO] [stderr]    Compiling bitcoin-io v0.1.3
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]    Compiling cfg-expr v0.16.0
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling field-offset v0.3.6
[INFO] [stderr]     Checking hex-conservative v0.2.1
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking bitcoin_hashes v0.14.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling serde_spanned v0.6.7
[INFO] [stderr]    Compiling toml_edit v0.21.1
[INFO] [stderr]    Compiling toml_edit v0.22.20
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]    Compiling proc-macro-crate v3.1.0
[INFO] [stderr]    Compiling glib-macros v0.20.1
[INFO] [stderr]    Compiling gtk4-macros v0.9.0
[INFO] [stderr]    Compiling toml v0.8.19
[INFO] [stderr]    Compiling system-deps v7.0.2
[INFO] [stderr]    Compiling glib-sys v0.20.1
[INFO] [stderr]    Compiling gobject-sys v0.20.1
[INFO] [stderr]    Compiling gio-sys v0.20.1
[INFO] [stderr]    Compiling pango-sys v0.20.1
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.20.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.20.0
[INFO] [stderr]    Compiling graphene-sys v0.20.1
[INFO] [stderr]    Compiling gdk4-sys v0.9.0
[INFO] [stderr]    Compiling gsk4-sys v0.9.0
[INFO] [stderr]    Compiling gtk4-sys v0.9.0
[INFO] [stderr]     Checking glib v0.20.1
[INFO] [stderr]     Checking cairo-rs v0.20.1
[INFO] [stderr]     Checking graphene-rs v0.20.1
[INFO] [stderr]     Checking gdk-pixbuf v0.20.1
[INFO] [stderr]     Checking pango v0.20.1
[INFO] [stderr]     Checking gdk4 v0.9.0
[INFO] [stderr]     Checking gsk4 v0.9.0
[INFO] [stderr]     Checking gtk4 v0.9.0
[INFO] [stderr]     Checking thr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, [u8; 4]>
[INFO] [stdout]    --> src/main.rs:261:48
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 match check_checksum(&payload, checksum.try_into()?){
[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: ControlFlow<Result<Infallible, Infallible>, [u8; 4]>
[INFO] [stdout]    --> src/main.rs:261:48
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 match check_checksum(&payload, checksum.try_into()?){
[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<[u8; 4], Infallible>
[INFO] [stdout]    --> src/main.rs:261:48
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 match check_checksum(&payload, checksum.try_into()?){
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 4], Infallible>
[INFO] [stdout]    --> src/main.rs:261:48
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 match check_checksum(&payload, checksum.try_into()?){
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, char>
[INFO] [stdout]   --> src/protocol.rs:64:39
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 username_as_char[i] = username[i].try_into()?;
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<char, Infallible>
[INFO] [stdout]   --> src/protocol.rs:64:39
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 username_as_char[i] = username[i].try_into()?;
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, char>
[INFO] [stdout]   --> src/protocol.rs:72:32
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 char_body.push(body[i].try_into()?);
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<char, Infallible>
[INFO] [stdout]   --> src/protocol.rs:72:32
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 char_body.push(body[i].try_into()?);
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]   --> src/protocol.rs:91:20
[INFO] [stdout]    |
[INFO] [stdout] 91 |         array[i] = size_into_array[i-16].try_into()?;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, char>
[INFO] [stdout]   --> src/protocol.rs:64:39
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 username_as_char[i] = username[i].try_into()?;
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> src/protocol.rs:91:20
[INFO] [stdout]    |
[INFO] [stdout] 91 |         array[i] = size_into_array[i-16].try_into()?;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]   --> src/protocol.rs:94:20
[INFO] [stdout]    |
[INFO] [stdout] 94 |         array[i] = header.checksum[i-20].try_into()?;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> src/protocol.rs:94:20
[INFO] [stdout]    |
[INFO] [stdout] 94 |         array[i] = header.checksum[i-20].try_into()?;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<char, Infallible>
[INFO] [stdout]   --> src/protocol.rs:64:39
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 username_as_char[i] = username[i].try_into()?;
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, char>
[INFO] [stdout]   --> src/protocol.rs:72:32
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 char_body.push(body[i].try_into()?);
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<char, Infallible>
[INFO] [stdout]   --> src/protocol.rs:72:32
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 char_body.push(body[i].try_into()?);
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]   --> src/protocol.rs:91:20
[INFO] [stdout]    |
[INFO] [stdout] 91 |         array[i] = size_into_array[i-16].try_into()?;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> src/protocol.rs:91:20
[INFO] [stdout]    |
[INFO] [stdout] 91 |         array[i] = size_into_array[i-16].try_into()?;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]   --> src/protocol.rs:94:20
[INFO] [stdout]    |
[INFO] [stdout] 94 |         array[i] = header.checksum[i-20].try_into()?;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> src/protocol.rs:94:20
[INFO] [stdout]    |
[INFO] [stdout] 94 |         array[i] = header.checksum[i-20].try_into()?;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `thr` (bin "thr") due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `thr` (bin "thr" test) due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "ce0c98ecd3f2e83d089a4f869fdf5065b574e55f892c71109d2fe986f5e95049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce0c98ecd3f2e83d089a4f869fdf5065b574e55f892c71109d2fe986f5e95049", kill_on_drop: false }`
[INFO] [stdout] ce0c98ecd3f2e83d089a4f869fdf5065b574e55f892c71109d2fe986f5e95049