[INFO] fetching crate bindiff 0.0.1-pre...
[INFO] checking bindiff-0.0.1-pre against master#b359ccf1b0b7b2d2c1c4932344b806e68bd053a9 for pr-105483
[INFO] extracting crate bindiff 0.0.1-pre into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate bindiff 0.0.1-pre on toolchain b359ccf1b0b7b2d2c1c4932344b806e68bd053a9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prettytable-rs v0.6.7
[INFO] [stderr]   Downloaded lazy_static v0.2.11
[INFO] [stderr]   Downloaded memchr v1.0.2
[INFO] [stderr]   Downloaded csv v0.15.0
[INFO] [stderr]   Downloaded structopt-derive v0.1.6
[INFO] [stderr]   Downloaded plain v0.2.3
[INFO] [stderr]   Downloaded goblin v0.0.12
[INFO] [stderr]   Downloaded scroll v0.7.0
[INFO] [stderr]   Downloaded scroll_derive v0.8.0
[INFO] [stderr]   Downloaded structopt v0.1.7
[INFO] [stderr]   Downloaded term v0.4.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6222f83e9452f60ede898d4db01fb7a2a70cbcad543a7f00c8778481f6fd7c96
[INFO] running `Command { std: "docker" "start" "-a" "6222f83e9452f60ede898d4db01fb7a2a70cbcad543a7f00c8778481f6fd7c96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6222f83e9452f60ede898d4db01fb7a2a70cbcad543a7f00c8778481f6fd7c96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6222f83e9452f60ede898d4db01fb7a2a70cbcad543a7f00c8778481f6fd7c96", kill_on_drop: false }`
[INFO] [stdout] 6222f83e9452f60ede898d4db01fb7a2a70cbcad543a7f00c8778481f6fd7c96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+b359ccf1b0b7b2d2c1c4932344b806e68bd053a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a9f07cccb7cc11acd0a73fa3fbce95af2379285d973ea62d305ac7b58cb15a5
[INFO] running `Command { std: "docker" "start" "-a" "4a9f07cccb7cc11acd0a73fa3fbce95af2379285d973ea62d305ac7b58cb15a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking scroll v0.7.0
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling scroll_derive v0.8.0
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]     Checking prettytable-rs v0.6.7
[INFO] [stderr]     Checking goblin v0.0.12
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking structopt v0.1.7
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking bindiff v0.0.1-pre (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `buf` is never read
[INFO] [stdout]   --> src/elf.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct ElfFile<'a> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 17 |     elf: elf::Elf<'a>,
[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 `buf` is never read
[INFO] [stdout]   --> src/elf.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct ElfFile<'a> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 17 |     elf: elf::Elf<'a>,
[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 5.34s
[INFO] running `Command { std: "docker" "inspect" "4a9f07cccb7cc11acd0a73fa3fbce95af2379285d973ea62d305ac7b58cb15a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a9f07cccb7cc11acd0a73fa3fbce95af2379285d973ea62d305ac7b58cb15a5", kill_on_drop: false }`
[INFO] [stdout] 4a9f07cccb7cc11acd0a73fa3fbce95af2379285d973ea62d305ac7b58cb15a5