[INFO] cloning repository https://github.com/flauntingspade4/aes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flauntingspade4/aes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflauntingspade4%2Faes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflauntingspade4%2Faes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e5143671bb9547e95b8ea7bc6c3f3e57c0267b5
[INFO] checking flauntingspade4/aes 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%2Fflauntingspade4%2Faes" "/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/flauntingspade4/aes
[INFO] finished tweaking git repo https://github.com/flauntingspade4/aes
[INFO] tweaked toml for git repo https://github.com/flauntingspade4/aes written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/flauntingspade4/aes 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/flauntingspade4/aes 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] f46ee488b3b5574378024dfb9b50fdb836aee62eca28b172915ed261aefe87af
[INFO] running `Command { std: "docker" "start" "-a" "f46ee488b3b5574378024dfb9b50fdb836aee62eca28b172915ed261aefe87af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f46ee488b3b5574378024dfb9b50fdb836aee62eca28b172915ed261aefe87af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f46ee488b3b5574378024dfb9b50fdb836aee62eca28b172915ed261aefe87af", kill_on_drop: false }`
[INFO] [stdout] f46ee488b3b5574378024dfb9b50fdb836aee62eca28b172915ed261aefe87af
[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] 038013dd48fc08efbfdacdb00ed57ece976fedf4ab994842e46dcd4bfd7f964f
[INFO] running `Command { std: "docker" "start" "-a" "038013dd48fc08efbfdacdb00ed57ece976fedf4ab994842e46dcd4bfd7f964f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking plotters-backend v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking aes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stdout] error: this type will no longer be must used: Result<Block, Infallible>
[INFO] [stdout]   --> src/block.rs:91:53
[INFO] [stdout]    |
[INFO] [stdout] 91 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 92 | |         Ok(Self::from_str_single(s))
[INFO] [stdout] 93 | |     }
[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<Block, Infallible>
[INFO] [stdout]   --> src/block.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         Ok(Self::from_str_single(s))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aes` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "038013dd48fc08efbfdacdb00ed57ece976fedf4ab994842e46dcd4bfd7f964f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "038013dd48fc08efbfdacdb00ed57ece976fedf4ab994842e46dcd4bfd7f964f", kill_on_drop: false }`
[INFO] [stdout] 038013dd48fc08efbfdacdb00ed57ece976fedf4ab994842e46dcd4bfd7f964f