[INFO] updating cached repository eagletmt/fastladder-bookwalker
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/eagletmt/fastladder-bookwalker
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/eagletmt/fastladder-bookwalker" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/eagletmt/fastladder-bookwalker"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/eagletmt/fastladder-bookwalker'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/eagletmt/fastladder-bookwalker" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/eagletmt/fastladder-bookwalker"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/eagletmt/fastladder-bookwalker'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 58f705ec21c44513aac905830b09a7d4627af0ae
[INFO] sha for GitHub repo eagletmt/fastladder-bookwalker: 58f705ec21c44513aac905830b09a7d4627af0ae
[INFO] validating manifest of eagletmt/fastladder-bookwalker on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of eagletmt/fastladder-bookwalker on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing eagletmt/fastladder-bookwalker
[INFO] finished frobbing eagletmt/fastladder-bookwalker
[INFO] frobbed toml for eagletmt/fastladder-bookwalker written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/eagletmt/fastladder-bookwalker/Cargo.toml
[INFO] started frobbing eagletmt/fastladder-bookwalker
[INFO] finished frobbing eagletmt/fastladder-bookwalker
[INFO] frobbed toml for eagletmt/fastladder-bookwalker written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/eagletmt/fastladder-bookwalker/Cargo.toml
[INFO] crate eagletmt/fastladder-bookwalker has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing eagletmt/fastladder-bookwalker against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/eagletmt/fastladder-bookwalker:/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=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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 7d908df8c73610a010293a0425dab698fcb2e21faaae8886f18428a30453cfee
[INFO] running `"docker" "start" "-a" "7d908df8c73610a010293a0425dab698fcb2e21faaae8886f18428a30453cfee"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] [stderr]    Compiling serde v1.0.5
[INFO] [stderr]    Compiling mime v0.2.4
[INFO] [stderr]    Compiling clap v2.24.2
[INFO] [stderr]    Compiling hyper v0.10.10
[INFO] [stderr]    Compiling string_cache_codegen v0.3.1
[INFO] [stderr]    Compiling html5ever v0.14.1
[INFO] [stderr]    Compiling ring v0.9.5
[INFO] [stderr]    Compiling tendril v0.2.4
[INFO] [stderr]    Compiling string_cache v0.4.0
[INFO] [stderr]    Compiling html5ever-atoms v0.2.2
[INFO] [stderr]    Compiling webpki v0.12.1
[INFO] [stderr]    Compiling webpki-roots v0.10.0
[INFO] [stderr]    Compiling rustls v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.2
[INFO] [stderr]    Compiling select v0.4.0
[INFO] [stderr]    Compiling hyper-rustls v0.6.0
[INFO] [stderr]    Compiling fastladder-bookwalker v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `"docker" "inspect" "7d908df8c73610a010293a0425dab698fcb2e21faaae8886f18428a30453cfee"`
[INFO] running `"docker" "rm" "-f" "7d908df8c73610a010293a0425dab698fcb2e21faaae8886f18428a30453cfee"`
[INFO] [stdout] 7d908df8c73610a010293a0425dab698fcb2e21faaae8886f18428a30453cfee
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/eagletmt/fastladder-bookwalker:/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=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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] f34a5112ad982df7c9613a5267a3a806931fd364e4f1d89967f6880f77ce18e7
[INFO] running `"docker" "start" "-a" "f34a5112ad982df7c9613a5267a3a806931fd364e4f1d89967f6880f77ce18e7"`
[INFO] [stderr]    Compiling fastladder-bookwalker v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "f34a5112ad982df7c9613a5267a3a806931fd364e4f1d89967f6880f77ce18e7"`
[INFO] running `"docker" "rm" "-f" "f34a5112ad982df7c9613a5267a3a806931fd364e4f1d89967f6880f77ce18e7"`
[INFO] [stdout] f34a5112ad982df7c9613a5267a3a806931fd364e4f1d89967f6880f77ce18e7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/eagletmt/fastladder-bookwalker:/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=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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] aab5010fba3f0be57f8e7a2c7325f35599dfb41926f18348831bfab88f5ff156
[INFO] running `"docker" "start" "-a" "aab5010fba3f0be57f8e7a2c7325f35599dfb41926f18348831bfab88f5ff156"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fastladder_bookwalker-7dc538dfdaa7fc97
[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" "aab5010fba3f0be57f8e7a2c7325f35599dfb41926f18348831bfab88f5ff156"`
[INFO] running `"docker" "rm" "-f" "aab5010fba3f0be57f8e7a2c7325f35599dfb41926f18348831bfab88f5ff156"`
[INFO] [stdout] aab5010fba3f0be57f8e7a2c7325f35599dfb41926f18348831bfab88f5ff156