[INFO] cloning repository https://github.com/proelbtn/chacha20poly1305
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/proelbtn/chacha20poly1305" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproelbtn%2Fchacha20poly1305", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproelbtn%2Fchacha20poly1305'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43468364465eedf4caef98764e3bb3e5d0454a03
[INFO] checking proelbtn/chacha20poly1305 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproelbtn%2Fchacha20poly1305" "/workspace/builds/worker-62/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-62/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/proelbtn/chacha20poly1305 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/proelbtn/chacha20poly1305
[INFO] finished tweaking git repo https://github.com/proelbtn/chacha20poly1305
[INFO] tweaked toml for git repo https://github.com/proelbtn/chacha20poly1305 written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] crate git repo https://github.com/proelbtn/chacha20poly1305 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0302b8a96d0ee67699af85bcad2ce4ea26b6a007974cecd826c4699d9bc748bd
[INFO] running `Command { std: "docker" "start" "-a" "0302b8a96d0ee67699af85bcad2ce4ea26b6a007974cecd826c4699d9bc748bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0302b8a96d0ee67699af85bcad2ce4ea26b6a007974cecd826c4699d9bc748bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0302b8a96d0ee67699af85bcad2ce4ea26b6a007974cecd826c4699d9bc748bd", kill_on_drop: false }`
[INFO] [stdout] 0302b8a96d0ee67699af85bcad2ce4ea26b6a007974cecd826c4699d9bc748bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 880dc9c31eac3e66a0f330690ee7a9db86d73ceabcde35f0ea9c286f0c89ba1e
[INFO] running `Command { std: "docker" "start" "-a" "880dc9c31eac3e66a0f330690ee7a9db86d73ceabcde35f0ea9c286f0c89ba1e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]     Checking chacha20poly1305 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `encrypt`
[INFO] [stdout]  --> src/lib.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn encrypt(key: &[u8], nonce: &[u8], ptxt: &[u8], aad: &[u8]) 
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.49s
[INFO] running `Command { std: "docker" "inspect" "880dc9c31eac3e66a0f330690ee7a9db86d73ceabcde35f0ea9c286f0c89ba1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "880dc9c31eac3e66a0f330690ee7a9db86d73ceabcde35f0ea9c286f0c89ba1e", kill_on_drop: false }`
[INFO] [stdout] 880dc9c31eac3e66a0f330690ee7a9db86d73ceabcde35f0ea9c286f0c89ba1e