[INFO] updating cached repository Divoolej/binpeeks
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Divoolej/binpeeks
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Divoolej/binpeeks" "work/ex/beta-1.38-1/sources/1.37.0/gh/Divoolej/binpeeks"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Divoolej/binpeeks'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Divoolej/binpeeks" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Divoolej/binpeeks"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Divoolej/binpeeks'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 634d875505ca1a90f4691fc00b842f1220456679
[INFO] sha for GitHub repo Divoolej/binpeeks: 634d875505ca1a90f4691fc00b842f1220456679
[INFO] validating manifest of Divoolej/binpeeks on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Divoolej/binpeeks on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Divoolej/binpeeks
[INFO] finished frobbing Divoolej/binpeeks
[INFO] frobbed toml for Divoolej/binpeeks written to work/ex/beta-1.38-1/sources/1.37.0/gh/Divoolej/binpeeks/Cargo.toml
[INFO] started frobbing Divoolej/binpeeks
[INFO] finished frobbing Divoolej/binpeeks
[INFO] frobbed toml for Divoolej/binpeeks written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Divoolej/binpeeks/Cargo.toml
[INFO] crate Divoolej/binpeeks already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Divoolej/binpeeks against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Divoolej/binpeeks:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 25f2f17277c8c4d1afc2780e308aa57accf5550b7c8bb1f513719c9c39c8f579
[INFO] running `"docker" "start" "-a" "25f2f17277c8c4d1afc2780e308aa57accf5550b7c8bb1f513719c9c39c8f579"`
[INFO] [stderr]    Compiling arc-swap v0.3.7
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling signal-hook v0.1.8
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling structopt v0.2.14
[INFO] [stderr]    Compiling binpeeks v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `Peeker`
[INFO] [stderr]  --> src/peeker.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Peeker {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/peeker.rs:9:3
[INFO] [stderr]   |
[INFO] [stderr] 9 |   pub fn new(file: File) -> Peeker {
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.80s
[INFO] running `"docker" "inspect" "25f2f17277c8c4d1afc2780e308aa57accf5550b7c8bb1f513719c9c39c8f579"`
[INFO] running `"docker" "rm" "-f" "25f2f17277c8c4d1afc2780e308aa57accf5550b7c8bb1f513719c9c39c8f579"`
[INFO] [stdout] 25f2f17277c8c4d1afc2780e308aa57accf5550b7c8bb1f513719c9c39c8f579
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Divoolej/binpeeks:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b650ab997eb637a3a607b17242a5dbf93f9a0573a06e33c082c5a29b4df19b5d
[INFO] running `"docker" "start" "-a" "b650ab997eb637a3a607b17242a5dbf93f9a0573a06e33c082c5a29b4df19b5d"`
[INFO] [stderr]    Compiling binpeeks v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `Peeker`
[INFO] [stderr]  --> src/peeker.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Peeker {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/peeker.rs:9:3
[INFO] [stderr]   |
[INFO] [stderr] 9 |   pub fn new(file: File) -> Peeker {
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "b650ab997eb637a3a607b17242a5dbf93f9a0573a06e33c082c5a29b4df19b5d"`
[INFO] running `"docker" "rm" "-f" "b650ab997eb637a3a607b17242a5dbf93f9a0573a06e33c082c5a29b4df19b5d"`
[INFO] [stdout] b650ab997eb637a3a607b17242a5dbf93f9a0573a06e33c082c5a29b4df19b5d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Divoolej/binpeeks:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 6e3dc3b0ec07469aefa974d1ca1680c914e97b0693ae7fdd4dcb6e6ea24b34ab
[INFO] running `"docker" "start" "-a" "6e3dc3b0ec07469aefa974d1ca1680c914e97b0693ae7fdd4dcb6e6ea24b34ab"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/binpeeks-b637cbfd0bd3c246
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6e3dc3b0ec07469aefa974d1ca1680c914e97b0693ae7fdd4dcb6e6ea24b34ab"`
[INFO] running `"docker" "rm" "-f" "6e3dc3b0ec07469aefa974d1ca1680c914e97b0693ae7fdd4dcb6e6ea24b34ab"`
[INFO] [stdout] 6e3dc3b0ec07469aefa974d1ca1680c914e97b0693ae7fdd4dcb6e6ea24b34ab