[INFO] cloning repository tock/elf2tab
[INFO] running `"git" "clone" "--bare" "git://github.com/tock/elf2tab.git" "work/cache/sources/gh/tock/elf2tab"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/tock/elf2tab'...
[INFO] running `"git" "clone" "work/cache/sources/gh/tock/elf2tab" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/tock/elf2tab"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/tock/elf2tab'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tock/elf2tab" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/tock/elf2tab"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/tock/elf2tab'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cf92606f214718a2cbf0f64d8303810ca90c2a1e
[INFO] sha for GitHub repo tock/elf2tab: cf92606f214718a2cbf0f64d8303810ca90c2a1e
[INFO] validating manifest of tock/elf2tab on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tock/elf2tab on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tock/elf2tab
[INFO] finished frobbing tock/elf2tab
[INFO] frobbed toml for tock/elf2tab written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/tock/elf2tab/Cargo.toml
[INFO] started frobbing tock/elf2tab
[INFO] finished frobbing tock/elf2tab
[INFO] frobbed toml for tock/elf2tab written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/tock/elf2tab/Cargo.toml
[INFO] crate tock/elf2tab already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tock/elf2tab against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-0/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/tock/elf2tab:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1b367818db3a443a9124370d2f4e8bdb32fad6ea353f35a021abdb5b61851a5e
[INFO] running `"docker" "start" "-a" "1b367818db3a443a9124370d2f4e8bdb32fad6ea353f35a021abdb5b61851a5e"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking xattr v0.2.1
[INFO] [stderr]     Checking filetime v0.2.1
[INFO] [stderr]     Checking elf v0.0.10
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking tar v0.4.15
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]     Checking structopt v0.2.10
[INFO] [stderr]     Checking elf2tab v0.5.0-dev (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util.rs:30:28
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn do_pad(output: &mut io::Write, length: usize) -> io::Result<()> {
[INFO] [stderr]    |                            ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:100:18
[INFO] [stderr]     |
[INFO] [stderr] 100 |     output: &mut Write,
[INFO] [stderr]     |                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util.rs:30:28
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn do_pad(output: &mut io::Write, length: usize) -> io::Result<()> {
[INFO] [stderr]    |                            ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:100:18
[INFO] [stderr]     |
[INFO] [stderr] 100 |     output: &mut Write,
[INFO] [stderr]     |                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.81s
[INFO] running `"docker" "inspect" "1b367818db3a443a9124370d2f4e8bdb32fad6ea353f35a021abdb5b61851a5e"`
[INFO] running `"docker" "rm" "-f" "1b367818db3a443a9124370d2f4e8bdb32fad6ea353f35a021abdb5b61851a5e"`
[INFO] [stdout] 1b367818db3a443a9124370d2f4e8bdb32fad6ea353f35a021abdb5b61851a5e