[INFO] fetching crate bindiff 0.0.1-pre...
[INFO] checking bindiff-0.0.1-pre against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] extracting crate bindiff 0.0.1-pre into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate bindiff 0.0.1-pre on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bindiff 0.0.1-pre
[INFO] finished tweaking crates.io crate bindiff 0.0.1-pre
[INFO] tweaked toml for crates.io crate bindiff 0.0.1-pre written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76939bfd182cf11ea96ee5edf00bf7765bd050312d3f3e08d9972e6dc0055263
[INFO] running `Command { std: "docker" "start" "-a" "76939bfd182cf11ea96ee5edf00bf7765bd050312d3f3e08d9972e6dc0055263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76939bfd182cf11ea96ee5edf00bf7765bd050312d3f3e08d9972e6dc0055263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76939bfd182cf11ea96ee5edf00bf7765bd050312d3f3e08d9972e6dc0055263", kill_on_drop: false }`
[INFO] [stdout] 76939bfd182cf11ea96ee5edf00bf7765bd050312d3f3e08d9972e6dc0055263
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad9bf23d38cb28d36a334b43aba0bcb74fddad42a5e52114c983911bf22193a0
[INFO] running `Command { std: "docker" "start" "-a" "ad9bf23d38cb28d36a334b43aba0bcb74fddad42a5e52114c983911bf22193a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.96
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking rustc-demangle v0.1.19
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking scroll v0.7.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking object v0.25.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]     Checking prettytable-rs v0.6.7
[INFO] [stderr]    Compiling scroll_derive v0.8.0
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]     Checking goblin v0.0.12
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]     Checking structopt v0.1.7
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking bindiff v0.0.1-pre (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `buf`
[INFO] [stdout]   --> src/elf.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     buf: &'a [u8],
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buf`
[INFO] [stdout]   --> src/elf.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     buf: &'a [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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.70s
[INFO] running `Command { std: "docker" "inspect" "ad9bf23d38cb28d36a334b43aba0bcb74fddad42a5e52114c983911bf22193a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad9bf23d38cb28d36a334b43aba0bcb74fddad42a5e52114c983911bf22193a0", kill_on_drop: false }`
[INFO] [stdout] ad9bf23d38cb28d36a334b43aba0bcb74fddad42a5e52114c983911bf22193a0