[INFO] updating cached repository r-darwish/topgrade
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/r-darwish/topgrade
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/r-darwish/topgrade" "work/ex/beta-1.37-6/sources/1.36.0/gh/r-darwish/topgrade"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/r-darwish/topgrade'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/r-darwish/topgrade" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/r-darwish/topgrade"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/r-darwish/topgrade'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] af1fc45bc24becd956777d40f66d06336d2951e8
[INFO] sha for GitHub repo r-darwish/topgrade: af1fc45bc24becd956777d40f66d06336d2951e8
[INFO] validating manifest of r-darwish/topgrade 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 r-darwish/topgrade 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 r-darwish/topgrade
[INFO] finished frobbing r-darwish/topgrade
[INFO] frobbed toml for r-darwish/topgrade written to work/ex/beta-1.37-6/sources/1.36.0/gh/r-darwish/topgrade/Cargo.toml
[INFO] started frobbing r-darwish/topgrade
[INFO] finished frobbing r-darwish/topgrade
[INFO] frobbed toml for r-darwish/topgrade written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/r-darwish/topgrade/Cargo.toml
[INFO] crate r-darwish/topgrade already has a lockfile, it will not be regenerated
[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] testing r-darwish/topgrade against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/r-darwish/topgrade:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 3efdaa8f7edba7424a42c38af0173c65330b9b6fdb9717f6819df747a62f910f
[INFO] running `"docker" "start" "-a" "3efdaa8f7edba7424a42c38af0173c65330b9b6fdb9717f6819df747a62f910f"`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling arc-swap v0.3.11
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling nix v0.14.0
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling shellexpand v1.0.0
[INFO] [stderr]    Compiling rust-ini v0.13.0
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling tokio-trace-core v0.2.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling tokio-sync v0.1.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling lock_api v0.2.0
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling structopt-derive v0.2.17
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling signal-hook-registry v1.0.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling clicolors-control v1.0.0
[INFO] [stderr]    Compiling dirs-sys v0.3.3
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling signal-hook v0.1.9
[INFO] [stderr]    Compiling directories v2.0.1
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling console v0.7.5
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-signal v0.2.7
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.21
[INFO] [stderr]    Compiling tokio-process v0.2.3
[INFO] [stderr]    Compiling structopt v0.2.17
[INFO] [stderr]    Compiling toml v0.5.1
[INFO] [stderr]    Compiling topgrade v2.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:54:32
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stderr]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 57s
[INFO] running `"docker" "inspect" "3efdaa8f7edba7424a42c38af0173c65330b9b6fdb9717f6819df747a62f910f"`
[INFO] running `"docker" "rm" "-f" "3efdaa8f7edba7424a42c38af0173c65330b9b6fdb9717f6819df747a62f910f"`
[INFO] [stdout] 3efdaa8f7edba7424a42c38af0173c65330b9b6fdb9717f6819df747a62f910f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/r-darwish/topgrade:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] aa1d6a7dae3b600132a4df35d4583587a850c5b33fafb51b713c2e783dcee7c9
[INFO] running `"docker" "start" "-a" "aa1d6a7dae3b600132a4df35d4583587a850c5b33fafb51b713c2e783dcee7c9"`
[INFO] [stderr]    Compiling topgrade v2.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:54:32
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stderr]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `"docker" "inspect" "aa1d6a7dae3b600132a4df35d4583587a850c5b33fafb51b713c2e783dcee7c9"`
[INFO] running `"docker" "rm" "-f" "aa1d6a7dae3b600132a4df35d4583587a850c5b33fafb51b713c2e783dcee7c9"`
[INFO] [stdout] aa1d6a7dae3b600132a4df35d4583587a850c5b33fafb51b713c2e783dcee7c9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/r-darwish/topgrade:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 4986c33a2743142855969637fb81c11e35d16a0d9f05308585468fb33564c3b5
[INFO] running `"docker" "start" "-a" "4986c33a2743142855969637fb81c11e35d16a0d9f05308585468fb33564c3b5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/topgrade-d6d03213d0dc9f54
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test steps::os::linux::tests::test_fedora ... ok
[INFO] [stdout] test steps::os::linux::tests::test_debian ... ok
[INFO] [stdout] test steps::os::linux::tests::test_centos ... ok
[INFO] [stdout] test steps::os::linux::tests::test_antergos ... ok
[INFO] [stdout] test steps::os::linux::tests::test_oraclelinux ... ok
[INFO] [stdout] test steps::os::linux::tests::test_ubuntu ... ok
[INFO] [stdout] test steps::os::linux::tests::test_opensuse ... ok
[INFO] [stdout] test steps::os::linux::tests::test_manjaro ... ok
[INFO] [stdout] test steps::os::linux::tests::test_mint ... ok
[INFO] [stdout] test steps::os::linux::tests::test_arch_linux ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4986c33a2743142855969637fb81c11e35d16a0d9f05308585468fb33564c3b5"`
[INFO] running `"docker" "rm" "-f" "4986c33a2743142855969637fb81c11e35d16a0d9f05308585468fb33564c3b5"`
[INFO] [stdout] 4986c33a2743142855969637fb81c11e35d16a0d9f05308585468fb33564c3b5