[INFO] fetching crate bindiff 0.0.1-pre...
[INFO] checking bindiff-0.0.1-pre against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] extracting crate bindiff 0.0.1-pre into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate bindiff 0.0.1-pre on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "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-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lazy_static v0.2.11
[INFO] [stderr]   Downloaded scroll_derive v0.8.0
[INFO] [stderr]   Downloaded prettytable-rs v0.6.7
[INFO] [stderr]   Downloaded structopt v0.1.7
[INFO] [stderr]   Downloaded memchr v1.0.2
[INFO] [stderr]   Downloaded structopt-derive v0.1.6
[INFO] [stderr]   Downloaded csv v0.15.0
[INFO] [stderr]   Downloaded scroll v0.7.0
[INFO] [stderr]   Downloaded goblin v0.0.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebbf663cf3aded790bbd385dcbabdac3b906755c435e812fc326f1e85e6b9830
[INFO] running `Command { std: "docker" "start" "-a" "ebbf663cf3aded790bbd385dcbabdac3b906755c435e812fc326f1e85e6b9830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebbf663cf3aded790bbd385dcbabdac3b906755c435e812fc326f1e85e6b9830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebbf663cf3aded790bbd385dcbabdac3b906755c435e812fc326f1e85e6b9830", kill_on_drop: false }`
[INFO] [stdout] ebbf663cf3aded790bbd385dcbabdac3b906755c435e812fc326f1e85e6b9830
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2edcff2e325f00edfc7e97d34af9ecf4656c491e01cba70563f52fa2726e9cae
[INFO] running `Command { std: "docker" "start" "-a" "2edcff2e325f00edfc7e97d34af9ecf4656c491e01cba70563f52fa2726e9cae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking scroll v0.7.0
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]    Compiling scroll_derive v0.8.0
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]     Checking goblin v0.0.12
[INFO] [stderr]     Checking prettytable-rs v0.6.7
[INFO] [stderr]    Compiling backtrace v0.3.69
[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 `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: 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.88s
[INFO] running `Command { std: "docker" "inspect" "2edcff2e325f00edfc7e97d34af9ecf4656c491e01cba70563f52fa2726e9cae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2edcff2e325f00edfc7e97d34af9ecf4656c491e01cba70563f52fa2726e9cae", kill_on_drop: false }`
[INFO] [stdout] 2edcff2e325f00edfc7e97d34af9ecf4656c491e01cba70563f52fa2726e9cae