[INFO] fetching crate cocoon 0.3.0...
[INFO] checking cocoon-0.3.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate cocoon 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cocoon 0.3.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cocoon 0.3.0
[INFO] finished tweaking crates.io crate cocoon 0.3.0
[INFO] tweaked toml for crates.io crate cocoon 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pbkdf2 v0.9.0
[INFO] [stderr]   Downloaded chacha20 v0.8.1
[INFO] [stderr]   Downloaded chacha20poly1305 v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 012db6f7b30c3c96b5ba1c8900509970177f7dc99f1e824e1f23e5497b16de82
[INFO] running `Command { std: "docker" "start" "-a" "012db6f7b30c3c96b5ba1c8900509970177f7dc99f1e824e1f23e5497b16de82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "012db6f7b30c3c96b5ba1c8900509970177f7dc99f1e824e1f23e5497b16de82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "012db6f7b30c3c96b5ba1c8900509970177f7dc99f1e824e1f23e5497b16de82", kill_on_drop: false }`
[INFO] [stdout] 012db6f7b30c3c96b5ba1c8900509970177f7dc99f1e824e1f23e5497b16de82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58db308441961c42574735f33bb1284b4a5d4e5877cff3d014905dd6d64b45aa
[INFO] running `Command { std: "docker" "start" "-a" "58db308441961c42574735f33bb1284b4a5d4e5877cff3d014905dd6d64b45aa", kill_on_drop: false }`
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking aead v0.4.3
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking polyval v0.5.3
[INFO] [stderr]     Checking poly1305 v0.7.2
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]     Checking ctr v0.8.0
[INFO] [stderr]     Checking chacha20 v0.8.1
[INFO] [stderr]     Checking ghash v0.4.4
[INFO] [stderr]     Checking chacha20poly1305 v0.9.0
[INFO] [stderr]     Checking pbkdf2 v0.9.0
[INFO] [stderr]     Checking aes-gcm v0.9.4
[INFO] [stderr]     Checking cocoon v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `reserved`
[INFO] [stdout]   --> src/header.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     reserved: 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]    Compiling borsh-schema-derive-internal v0.9.1
[INFO] [stderr]    Compiling borsh-derive-internal v0.9.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling borsh-derive v0.9.1
[INFO] [stderr]     Checking borsh v0.9.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.21s
[INFO] running `Command { std: "docker" "inspect" "58db308441961c42574735f33bb1284b4a5d4e5877cff3d014905dd6d64b45aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58db308441961c42574735f33bb1284b4a5d4e5877cff3d014905dd6d64b45aa", kill_on_drop: false }`
[INFO] [stdout] 58db308441961c42574735f33bb1284b4a5d4e5877cff3d014905dd6d64b45aa