[INFO] fetching crate ropr 0.1.2...
[INFO] checking ropr-0.1.2 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate ropr 0.1.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate ropr 0.1.2 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ropr 0.1.2
[INFO] finished tweaking crates.io crate ropr 0.1.2
[INFO] tweaked toml for crates.io crate ropr 0.1.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate ropr 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zydis v3.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09722ed3d0fb04489be246337d774fc978a1e420097959c7177c7cd9c80d8612
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "09722ed3d0fb04489be246337d774fc978a1e420097959c7177c7cd9c80d8612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09722ed3d0fb04489be246337d774fc978a1e420097959c7177c7cd9c80d8612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09722ed3d0fb04489be246337d774fc978a1e420097959c7177c7cd9c80d8612", kill_on_drop: false }`
[INFO] [stdout] 09722ed3d0fb04489be246337d774fc978a1e420097959c7177c7cd9c80d8612
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a41a5f0adb7b2a13e32fd36cf9cec258153ae9e8221f8a6f67f854901bca037
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6a41a5f0adb7b2a13e32fd36cf9cec258153ae9e8221f8a6f67f854901bca037", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling zydis v3.1.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]    Compiling scroll_derive v0.10.2
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking goblin v0.2.3
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking ropr v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `binary`
[INFO] [stdout]   --> src/sections.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn from_elf(binary: &Binary, elf: Elf) -> Result<Vec<Section>, Error> {
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_binary`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `binary`
[INFO] [stdout]   --> src/sections.rs:48:16
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn from_pe(binary: &Binary, pe: PE) -> Result<Vec<Section>, Error> {
[INFO] [stdout]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_binary`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `binary`
[INFO] [stdout]   --> src/sections.rs:67:18
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn from_mach(binary: &Binary, mach: Mach) -> Result<Vec<Section>, Error> { unimplemented!() }
[INFO] [stdout]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_binary`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mach`
[INFO] [stdout]   --> src/sections.rs:67:35
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn from_mach(binary: &Binary, mach: Mach) -> Result<Vec<Section>, Error> { unimplemented!() }
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_mach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `binary`
[INFO] [stdout]   --> src/sections.rs:69:21
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub fn from_archive(binary: &Binary, archive: Archive) -> Result<Vec<Section>, Error> {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_binary`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `archive`
[INFO] [stdout]   --> src/sections.rs:69:38
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub fn from_archive(binary: &Binary, archive: Archive) -> Result<Vec<Section>, Error> {
[INFO] [stdout]    |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_archive`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `binary`
[INFO] [stdout]   --> src/sections.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn from_elf(binary: &Binary, elf: Elf) -> Result<Vec<Section>, Error> {
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_binary`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `binary`
[INFO] [stdout]   --> src/sections.rs:48:16
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn from_pe(binary: &Binary, pe: PE) -> Result<Vec<Section>, Error> {
[INFO] [stdout]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_binary`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `binary`
[INFO] [stdout]   --> src/sections.rs:67:18
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn from_mach(binary: &Binary, mach: Mach) -> Result<Vec<Section>, Error> { unimplemented!() }
[INFO] [stdout]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_binary`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mach`
[INFO] [stdout]   --> src/sections.rs:67:35
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn from_mach(binary: &Binary, mach: Mach) -> Result<Vec<Section>, Error> { unimplemented!() }
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_mach`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `binary`
[INFO] [stdout]   --> src/sections.rs:69:21
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub fn from_archive(binary: &Binary, archive: Archive) -> Result<Vec<Section>, Error> {
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_binary`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `archive`
[INFO] [stdout]   --> src/sections.rs:69:38
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub fn from_archive(binary: &Binary, archive: Archive) -> Result<Vec<Section>, Error> {
[INFO] [stdout]    |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_archive`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `path`
[INFO] [stdout]   --> src/binary.rs:11:2
[INFO] [stdout]    |
[INFO] [stdout] 11 |     path: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `path`
[INFO] [stdout]   --> src/binary.rs:11:2
[INFO] [stdout]    |
[INFO] [stdout] 11 |     path: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "6a41a5f0adb7b2a13e32fd36cf9cec258153ae9e8221f8a6f67f854901bca037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a41a5f0adb7b2a13e32fd36cf9cec258153ae9e8221f8a6f67f854901bca037", kill_on_drop: false }`
[INFO] [stdout] 6a41a5f0adb7b2a13e32fd36cf9cec258153ae9e8221f8a6f67f854901bca037