[INFO] cloning repository https://github.com/oMegaPB/mtproto
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oMegaPB/mtproto" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FoMegaPB%2Fmtproto", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FoMegaPB%2Fmtproto'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 205b480c0257149d953b5def7557f853c08080ef
[INFO] checking oMegaPB/mtproto 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%2FoMegaPB%2Fmtproto" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/oMegaPB/mtproto
[INFO] finished tweaking git repo https://github.com/oMegaPB/mtproto
[INFO] tweaked toml for git repo https://github.com/oMegaPB/mtproto written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/oMegaPB/mtproto 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/oMegaPB/mtproto 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 47834fdfdd2eb98e5eb6027e8cdf9fb4a5bcfca811586a52ac79aaf03a92c4e4
[INFO] running `Command { std: "docker" "start" "-a" "47834fdfdd2eb98e5eb6027e8cdf9fb4a5bcfca811586a52ac79aaf03a92c4e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47834fdfdd2eb98e5eb6027e8cdf9fb4a5bcfca811586a52ac79aaf03a92c4e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47834fdfdd2eb98e5eb6027e8cdf9fb4a5bcfca811586a52ac79aaf03a92c4e4", kill_on_drop: false }`
[INFO] [stdout] 47834fdfdd2eb98e5eb6027e8cdf9fb4a5bcfca811586a52ac79aaf03a92c4e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c7b49cb96646d68fc122a593a7da3b97a55fb390b6734032e6ca6c16987e8a5a
[INFO] running `Command { std: "docker" "start" "-a" "c7b49cb96646d68fc122a593a7da3b97a55fb390b6734032e6ca6c16987e8a5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.13
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]     Checking getrandom v0.3.2
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking der v0.7.10
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling i256 v0.2.2
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking ige v0.1.1
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]     Checking pkcs1 v0.7.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking chrono v0.4.40
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking rsa v0.9.8
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking prime_factorization v1.0.5
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]     Checking tokio v1.44.2
[INFO] [stderr]     Checking sha256 v1.6.0
[INFO] [stderr]     Checking mtproto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 20], Infallible>
[INFO] [stdout]   --> src/utils.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     return object.finalize().try_into().unwrap();
[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<Box<[u8]>, Infallible>
[INFO] [stdout]    --> src/traits/tl_object.rs:145:23
[INFO] [stdout]     |
[INFO] [stdout] 145 |           let casted = &self.as_slice()
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 146 | |             .try_into()
[INFO] [stdout]     | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mtproto` (bin "mtproto" test) due to 2 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<[u8; 20], Infallible>
[INFO] [stdout]   --> src/utils.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     return object.finalize().try_into().unwrap();
[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<Box<[u8]>, Infallible>
[INFO] [stdout]    --> src/traits/tl_object.rs:145:23
[INFO] [stdout]     |
[INFO] [stdout] 145 |           let casted = &self.as_slice()
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 146 | |             .try_into()
[INFO] [stdout]     | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mtproto` (bin "mtproto") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c7b49cb96646d68fc122a593a7da3b97a55fb390b6734032e6ca6c16987e8a5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7b49cb96646d68fc122a593a7da3b97a55fb390b6734032e6ca6c16987e8a5a", kill_on_drop: false }`
[INFO] [stdout] c7b49cb96646d68fc122a593a7da3b97a55fb390b6734032e6ca6c16987e8a5a