[INFO] cloning repository https://github.com/rustaceanrob/chacha20poly1305
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rustaceanrob/chacha20poly1305" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustaceanrob%2Fchacha20poly1305", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustaceanrob%2Fchacha20poly1305'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b32b3e33332f2a46537d5f1923231427b3203672
[INFO] checking rustaceanrob/chacha20poly1305 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%2Frustaceanrob%2Fchacha20poly1305" "/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/rustaceanrob/chacha20poly1305
[INFO] finished tweaking git repo https://github.com/rustaceanrob/chacha20poly1305
[INFO] tweaked toml for git repo https://github.com/rustaceanrob/chacha20poly1305 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rustaceanrob/chacha20poly1305 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/rustaceanrob/chacha20poly1305 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-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] c91f11b416531191b45806dfbdfe78a2afbc11a74e2583079f2bc3b237545a53
[INFO] running `Command { std: "docker" "start" "-a" "c91f11b416531191b45806dfbdfe78a2afbc11a74e2583079f2bc3b237545a53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c91f11b416531191b45806dfbdfe78a2afbc11a74e2583079f2bc3b237545a53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c91f11b416531191b45806dfbdfe78a2afbc11a74e2583079f2bc3b237545a53", kill_on_drop: false }`
[INFO] [stdout] c91f11b416531191b45806dfbdfe78a2afbc11a74e2583079f2bc3b237545a53
[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] 3e1f0a168618c870e270e2d6fc2028479da4598b4900232b2ad8bbbc7a0fe53e
[INFO] running `Command { std: "docker" "start" "-a" "3e1f0a168618c870e270e2d6fc2028479da4598b4900232b2ad8bbbc7a0fe53e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking rust_chacha20 v0.2.0
[INFO] [stderr]     Checking chachapoly v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking poly1305 v0.8.0
[INFO] [stderr]     Checking chacha20 v0.9.1
[INFO] [stderr]     Checking chacha20poly1305 v0.10.1
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 32], Infallible>
[INFO] [stdout]    --> src/lib.rs:104:40
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let us = ChaCha20Poly1305::new(key.try_into().unwrap(), nonce);
[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], Infallible>
[INFO] [stdout]    --> src/lib.rs:113:19
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let key = key.as_slice().try_into().unwrap();
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/lib.rs:130:19
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let key = key.as_slice().try_into().unwrap();
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/lib.rs:148:19
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let key = key.as_slice().try_into().unwrap();
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/lib.rs:164:19
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let key = key.as_slice().try_into().unwrap();
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chachapoly` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "3e1f0a168618c870e270e2d6fc2028479da4598b4900232b2ad8bbbc7a0fe53e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e1f0a168618c870e270e2d6fc2028479da4598b4900232b2ad8bbbc7a0fe53e", kill_on_drop: false }`
[INFO] [stdout] 3e1f0a168618c870e270e2d6fc2028479da4598b4900232b2ad8bbbc7a0fe53e