[INFO] updating cached repository fairingrey/tree-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fairingrey/tree-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fairingrey/tree-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/fairingrey/tree-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/fairingrey/tree-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fairingrey/tree-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fairingrey/tree-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fairingrey/tree-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cd1de5e03abd87c0353a6f6627d16049b4712557
[INFO] sha for GitHub repo fairingrey/tree-rs: cd1de5e03abd87c0353a6f6627d16049b4712557
[INFO] validating manifest of fairingrey/tree-rs 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 fairingrey/tree-rs 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 fairingrey/tree-rs
[INFO] finished frobbing fairingrey/tree-rs
[INFO] frobbed toml for fairingrey/tree-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/fairingrey/tree-rs/Cargo.toml
[INFO] started frobbing fairingrey/tree-rs
[INFO] finished frobbing fairingrey/tree-rs
[INFO] frobbed toml for fairingrey/tree-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fairingrey/tree-rs/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 fairingrey/tree-rs against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fairingrey/tree-rs:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] a3ffc8ddae56a6d2047fe16a10da084095c9fbd5adc867943effc73419b2880f
[INFO] running `"docker" "start" "-a" "a3ffc8ddae56a6d2047fe16a10da084095c9fbd5adc867943effc73419b2880f"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling backtrace v0.3.35
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling exitfailure v0.5.1
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `"docker" "inspect" "a3ffc8ddae56a6d2047fe16a10da084095c9fbd5adc867943effc73419b2880f"`
[INFO] running `"docker" "rm" "-f" "a3ffc8ddae56a6d2047fe16a10da084095c9fbd5adc867943effc73419b2880f"`
[INFO] [stdout] a3ffc8ddae56a6d2047fe16a10da084095c9fbd5adc867943effc73419b2880f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fairingrey/tree-rs:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1ee6232e20490d726a79af818c7b21c318fdeefdf8a8bd1352c98e956824b4b3
[INFO] running `"docker" "start" "-a" "1ee6232e20490d726a79af818c7b21c318fdeefdf8a8bd1352c98e956824b4b3"`
[INFO] [stderr]    Compiling tree v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `"docker" "inspect" "1ee6232e20490d726a79af818c7b21c318fdeefdf8a8bd1352c98e956824b4b3"`
[INFO] running `"docker" "rm" "-f" "1ee6232e20490d726a79af818c7b21c318fdeefdf8a8bd1352c98e956824b4b3"`
[INFO] [stdout] 1ee6232e20490d726a79af818c7b21c318fdeefdf8a8bd1352c98e956824b4b3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fairingrey/tree-rs:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 6485e3cce2c3c22e04dea1d8e15e8ff47c6afe3a5f6bc98a2eea285a47ed0a41
[INFO] running `"docker" "start" "-a" "6485e3cce2c3c22e04dea1d8e15e8ff47c6afe3a5f6bc98a2eea285a47ed0a41"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tree-65b54b36a3212659
[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] [stderr]      Running /opt/crater/target/debug/deps/tree-aa7f48f16001f1d8
[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] [stderr]    Doc-tests tree
[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" "6485e3cce2c3c22e04dea1d8e15e8ff47c6afe3a5f6bc98a2eea285a47ed0a41"`
[INFO] running `"docker" "rm" "-f" "6485e3cce2c3c22e04dea1d8e15e8ff47c6afe3a5f6bc98a2eea285a47ed0a41"`
[INFO] [stdout] 6485e3cce2c3c22e04dea1d8e15e8ff47c6afe3a5f6bc98a2eea285a47ed0a41