[INFO] fetching crate packet 0.1.4...
[INFO] checking packet-0.1.4 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate packet 0.1.4 into /workspace/builds/worker-67/source
[INFO] validating manifest of crates.io crate packet 0.1.4 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate packet 0.1.4
[INFO] finished tweaking crates.io crate packet 0.1.4
[INFO] tweaked toml for crates.io crate packet 0.1.4 written to /workspace/builds/worker-67/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hwaddr v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7c77928f64f0cb08c08d0f4ae4002ed0e42fb3c1d99cf09e009b61b7374071c
[INFO] running `Command { std: "docker" "start" "-a" "b7c77928f64f0cb08c08d0f4ae4002ed0e42fb3c1d99cf09e009b61b7374071c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7c77928f64f0cb08c08d0f4ae4002ed0e42fb3c1d99cf09e009b61b7374071c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7c77928f64f0cb08c08d0f4ae4002ed0e42fb3c1d99cf09e009b61b7374071c", kill_on_drop: false }`
[INFO] [stdout] b7c77928f64f0cb08c08d0f4ae4002ed0e42fb3c1d99cf09e009b61b7374071c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39beee529dcd135fae2e434343a200dea6675f68f18d2fbfe39f9b30281f53ac
[INFO] running `Command { std: "docker" "start" "-a" "39beee529dcd135fae2e434343a200dea6675f68f18d2fbfe39f9b30281f53ac", kill_on_drop: false }`
[INFO] [stderr]     Checking siphasher v0.3.6
[INFO] [stderr]    Compiling hwaddr v0.1.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking packet v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `buffer`
[INFO] [stdout]   --> src/ip/v6/builder.rs:24:2
[INFO] [stdout]    |
[INFO] [stdout] 24 |     buffer:    B,
[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] [stdout] warning: field is never read: `buffer`
[INFO] [stdout]   --> src/ip/v6/builder.rs:24:2
[INFO] [stdout]    |
[INFO] [stdout] 24 |     buffer:    B,
[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 10.89s
[INFO] running `Command { std: "docker" "inspect" "39beee529dcd135fae2e434343a200dea6675f68f18d2fbfe39f9b30281f53ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39beee529dcd135fae2e434343a200dea6675f68f18d2fbfe39f9b30281f53ac", kill_on_drop: false }`
[INFO] [stdout] 39beee529dcd135fae2e434343a200dea6675f68f18d2fbfe39f9b30281f53ac