[INFO] fetching crate private-box 0.6.0...
[INFO] checking private-box-0.6.0 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate private-box 0.6.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate private-box 0.6.0 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate private-box 0.6.0
[INFO] finished tweaking crates.io crate private-box 0.6.0
[INFO] tweaked toml for crates.io crate private-box 0.6.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ssb-crypto v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25efb6c0a8ad8371516b8e12256d35df7cd8f0fc24b5c0acce76a9ec72fe5a18
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "25efb6c0a8ad8371516b8e12256d35df7cd8f0fc24b5c0acce76a9ec72fe5a18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25efb6c0a8ad8371516b8e12256d35df7cd8f0fc24b5c0acce76a9ec72fe5a18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25efb6c0a8ad8371516b8e12256d35df7cd8f0fc24b5c0acce76a9ec72fe5a18", kill_on_drop: false }`
[INFO] [stdout] 25efb6c0a8ad8371516b8e12256d35df7cd8f0fc24b5c0acce76a9ec72fe5a18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad346e8f4bf33f3b417cfcb933766642c2a2be3b388b2618f87b011f440705e1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ad346e8f4bf33f3b417cfcb933766642c2a2be3b388b2618f87b011f440705e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]     Checking signature v1.3.1
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking ed25519 v1.1.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking poly1305 v0.6.2
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking curve25519-dalek v3.1.0
[INFO] [stderr]     Checking salsa20 v0.7.2
[INFO] [stderr]     Checking zerocopy v0.3.0
[INFO] [stderr]     Checking xsalsa20poly1305 v0.6.0
[INFO] [stderr]     Checking x25519-dalek v1.1.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking ssb-crypto v0.2.2
[INFO] [stderr]     Checking private-box v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/private_box.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 177 | /     &cyphertext[56..]
[INFO] [stdout] 178 | |         .chunks_exact(BOXED_KEY_SIZE_BYTES)
[INFO] [stdout] 179 | |         .take(MAX_RECIPIENTS)
[INFO] [stdout] 180 | |         .find(|b| key_key.open_attached_into(b, &nonce, msg_key.as_bytes_mut()))?;
[INFO] [stdout]     | |_________________________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/private_box.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 177 | /     &cyphertext[56..]
[INFO] [stdout] 178 | |         .chunks_exact(BOXED_KEY_SIZE_BYTES)
[INFO] [stdout] 179 | |         .take(MAX_RECIPIENTS)
[INFO] [stdout] 180 | |         .find(|b| key_key.open_attached_into(b, &nonce, msg_key.as_bytes_mut()))?;
[INFO] [stdout]     | |_________________________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` 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 35.35s
[INFO] running `Command { std: "docker" "inspect" "ad346e8f4bf33f3b417cfcb933766642c2a2be3b388b2618f87b011f440705e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad346e8f4bf33f3b417cfcb933766642c2a2be3b388b2618f87b011f440705e1", kill_on_drop: false }`
[INFO] [stdout] ad346e8f4bf33f3b417cfcb933766642c2a2be3b388b2618f87b011f440705e1