[INFO] fetching crate avrow 0.2.1...
[INFO] testing avrow-0.2.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate avrow 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate avrow 0.2.1
[INFO] finished tweaking crates.io crate avrow 0.2.1
[INFO] tweaked toml for crates.io crate avrow 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate avrow 0.2.1 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate avrow 0.2.1 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zstd-safe v2.0.5+zstd.1.4.5
[INFO] [stderr]   Downloaded fstrings v0.2.3
[INFO] [stderr]   Downloaded fstrings-proc-macro v0.2.3
[INFO] [stderr]   Downloaded xz2 v0.1.6
[INFO] [stderr]   Downloaded bzip2 v0.4.1
[INFO] [stderr]   Downloaded env_logger v0.4.3
[INFO] [stderr]   Downloaded zstd v0.5.3+zstd.1.4.5
[INFO] [stderr]   Downloaded tinytemplate v1.1.0
[INFO] [stderr]   Downloaded aho-corasick v0.6.10
[INFO] [stderr]   Downloaded flate2 v1.0.18
[INFO] [stderr]   Downloaded ucd-util v0.1.8
[INFO] [stderr]   Downloaded serde_json v1.0.58
[INFO] [stderr]   Downloaded syn v1.0.42
[INFO] [stderr]   Downloaded rayon v1.4.1
[INFO] [stderr]   Downloaded bstr v0.2.13
[INFO] [stderr]   Downloaded lzma-sys v0.1.16
[INFO] [stderr]   Downloaded bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]   Downloaded snap v0.2.5
[INFO] [stderr]   Downloaded integer-encoding v2.0.0
[INFO] [stderr]   Downloaded zstd-sys v1.4.17+zstd.1.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 783cfc5813b31a5d1dd36905af39a6c54a9b01a5c0121682e64a8c54d16cac86
[INFO] running `Command { std: "docker" "start" "-a" "783cfc5813b31a5d1dd36905af39a6c54a9b01a5c0121682e64a8c54d16cac86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "783cfc5813b31a5d1dd36905af39a6c54a9b01a5c0121682e64a8c54d16cac86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "783cfc5813b31a5d1dd36905af39a6c54a9b01a5c0121682e64a8c54d16cac86", kill_on_drop: false }`
[INFO] [stdout] 783cfc5813b31a5d1dd36905af39a6c54a9b01a5c0121682e64a8c54d16cac86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 41a7a98af3d6d7d806502d2edeb179ce9d962e66edca36cab165be4d7eb01457
[INFO] running `Command { std: "docker" "start" "-a" "41a7a98af3d6d7d806502d2edeb179ce9d962e66edca36cab165be4d7eb01457", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling integer-encoding v2.0.0
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling thiserror v1.0.21
[INFO] [stderr]    Compiling avrow v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: field `aliases` is never read
[INFO] [stdout]    --> src/schema/common.rs:226:16
[INFO] [stdout]     |
[INFO] [stdout] 221 | pub struct Field {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 226 |     pub(crate) aliases: Option<Vec<String>>,
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Field` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:62:9
[INFO] [stdout]     |
[INFO] [stdout] 62  | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `avrow` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "41a7a98af3d6d7d806502d2edeb179ce9d962e66edca36cab165be4d7eb01457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41a7a98af3d6d7d806502d2edeb179ce9d962e66edca36cab165be4d7eb01457", kill_on_drop: false }`
[INFO] [stdout] 41a7a98af3d6d7d806502d2edeb179ce9d962e66edca36cab165be4d7eb01457