[INFO] crate walker 1.0.1 is already in cache
[INFO] extracting crate walker 1.0.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/walker/1.0.1
[INFO] extracting crate walker 1.0.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/walker/1.0.1
[INFO] validating manifest of walker-1.0.1 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of walker-1.0.1 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing walker-1.0.1
[INFO] finished frobbing walker-1.0.1
[INFO] frobbed toml for walker-1.0.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/walker/1.0.1/Cargo.toml
[INFO] started frobbing walker-1.0.1
[INFO] finished frobbing walker-1.0.1
[INFO] frobbed toml for walker-1.0.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/walker/1.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing walker-1.0.1 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/walker/1.0.1:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 740c5fc0721be67781a794b7a8b66828576d0f1c20371b0c6670ed0ebb3f2213
[INFO] running `"docker" "start" "-a" "740c5fc0721be67781a794b7a8b66828576d0f1c20371b0c6670ed0ebb3f2213"`
[INFO] [stderr]    Compiling walker v1.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "740c5fc0721be67781a794b7a8b66828576d0f1c20371b0c6670ed0ebb3f2213"`
[INFO] running `"docker" "rm" "-f" "740c5fc0721be67781a794b7a8b66828576d0f1c20371b0c6670ed0ebb3f2213"`
[INFO] [stdout] 740c5fc0721be67781a794b7a8b66828576d0f1c20371b0c6670ed0ebb3f2213
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/walker/1.0.1:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1a0533a0161f9c12cff91a5965f9e6b507a8bc281bc57fa417ff7ab432377494
[INFO] running `"docker" "start" "-a" "1a0533a0161f9c12cff91a5965f9e6b507a8bc281bc57fa417ff7ab432377494"`
[INFO] [stderr]    Compiling walker v1.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "1a0533a0161f9c12cff91a5965f9e6b507a8bc281bc57fa417ff7ab432377494"`
[INFO] running `"docker" "rm" "-f" "1a0533a0161f9c12cff91a5965f9e6b507a8bc281bc57fa417ff7ab432377494"`
[INFO] [stdout] 1a0533a0161f9c12cff91a5965f9e6b507a8bc281bc57fa417ff7ab432377494
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/walker/1.0.1:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 0989150dac3cc3cc4d71c3c11171d210defbdb3a4366c533c14a9e3543b14bcb
[INFO] running `"docker" "start" "-a" "0989150dac3cc3cc4d71c3c11171d210defbdb3a4366c533c14a9e3543b14bcb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/walker-8d0eff627c6b137e
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test_walker ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests walker
[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" "0989150dac3cc3cc4d71c3c11171d210defbdb3a4366c533c14a9e3543b14bcb"`
[INFO] running `"docker" "rm" "-f" "0989150dac3cc3cc4d71c3c11171d210defbdb3a4366c533c14a9e3543b14bcb"`
[INFO] [stdout] 0989150dac3cc3cc4d71c3c11171d210defbdb3a4366c533c14a9e3543b14bcb