[INFO] fetching crate daence 0.0.0...
[INFO] checking daence-0.0.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate daence 0.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate daence 0.0.0
[INFO] finished tweaking crates.io crate daence 0.0.0
[INFO] tweaked toml for crates.io crate daence 0.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate daence 0.0.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate daence 0.0.0 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12c39b892bd520919da814c0345aa2a8ff1bdc0377a81157c8848f2b7ada40d2
[INFO] running `Command { std: "docker" "start" "-a" "12c39b892bd520919da814c0345aa2a8ff1bdc0377a81157c8848f2b7ada40d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12c39b892bd520919da814c0345aa2a8ff1bdc0377a81157c8848f2b7ada40d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12c39b892bd520919da814c0345aa2a8ff1bdc0377a81157c8848f2b7ada40d2", kill_on_drop: false }`
[INFO] [stdout] 12c39b892bd520919da814c0345aa2a8ff1bdc0377a81157c8848f2b7ada40d2
[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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 729abe86d7bc3a73614387e1b12bcc1b90841cd48f4c2fa28a481c866687f76a
[INFO] running `Command { std: "docker" "start" "-a" "729abe86d7bc3a73614387e1b12bcc1b90841cd48f4c2fa28a481c866687f76a", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking inout v0.1.2
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking poly1305 v0.7.2
[INFO] [stderr]     Checking cipher v0.4.3
[INFO] [stderr]     Checking chacha20 v0.9.0
[INFO] [stderr]     Checking daence v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.46s
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]    --> src/chacha.rs:167:18
[INFO] [stdout]     |
[INFO] [stdout] 167 |             let (tag, cyphertext) = cyphertext.split_at(24);
[INFO] [stdout]     |                  ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cyphertext`
[INFO] [stdout]    --> src/chacha.rs:167:23
[INFO] [stdout]     |
[INFO] [stdout] 167 |             let (tag, cyphertext) = cyphertext.split_at(24);
[INFO] [stdout]     |                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cyphertext`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "729abe86d7bc3a73614387e1b12bcc1b90841cd48f4c2fa28a481c866687f76a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "729abe86d7bc3a73614387e1b12bcc1b90841cd48f4c2fa28a481c866687f76a", kill_on_drop: false }`
[INFO] [stdout] 729abe86d7bc3a73614387e1b12bcc1b90841cd48f4c2fa28a481c866687f76a