[INFO] updating cached repository learnmerust/forever
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/learnmerust/forever
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/learnmerust/forever" "work/ex/beta-1.38-1/sources/1.37.0/gh/learnmerust/forever"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/learnmerust/forever'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/learnmerust/forever" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/learnmerust/forever"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/learnmerust/forever'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1ea5e90f41c682bd007fc14d9dc9c127bc03cc0e
[INFO] sha for GitHub repo learnmerust/forever: 1ea5e90f41c682bd007fc14d9dc9c127bc03cc0e
[INFO] validating manifest of learnmerust/forever 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 learnmerust/forever 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 learnmerust/forever
[INFO] finished frobbing learnmerust/forever
[INFO] frobbed toml for learnmerust/forever written to work/ex/beta-1.38-1/sources/1.37.0/gh/learnmerust/forever/Cargo.toml
[INFO] started frobbing learnmerust/forever
[INFO] finished frobbing learnmerust/forever
[INFO] frobbed toml for learnmerust/forever written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/learnmerust/forever/Cargo.toml
[INFO] crate learnmerust/forever 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 learnmerust/forever 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/learnmerust/forever:/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] 8baed1a01cdddcf938eb3cfd3c642dcd1fda1bdcf8c679b13d204a0bc59413ef
[INFO] running `"docker" "start" "-a" "8baed1a01cdddcf938eb3cfd3c642dcd1fda1bdcf8c679b13d204a0bc59413ef"`
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling futures v0.1.17
[INFO] [stderr]    Compiling lazycell v0.5.1
[INFO] [stderr]    Compiling iovec v0.1.1
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling bytes v0.4.5
[INFO] [stderr]    Compiling mio v0.6.11
[INFO] [stderr]    Compiling mio-uds v0.6.4
[INFO] [stderr]    Compiling tokio-io v0.1.4
[INFO] [stderr]    Compiling tokio-core v0.1.10
[INFO] [stderr]    Compiling tokio-signal v0.1.2
[INFO] [stderr]    Compiling tokio-process v0.1.4
[INFO] [stderr]    Compiling forever v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.87s
[INFO] running `"docker" "inspect" "8baed1a01cdddcf938eb3cfd3c642dcd1fda1bdcf8c679b13d204a0bc59413ef"`
[INFO] running `"docker" "rm" "-f" "8baed1a01cdddcf938eb3cfd3c642dcd1fda1bdcf8c679b13d204a0bc59413ef"`
[INFO] [stdout] 8baed1a01cdddcf938eb3cfd3c642dcd1fda1bdcf8c679b13d204a0bc59413ef
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/learnmerust/forever:/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] d74d87b10af8f07369150fbf6f979aae7a02d2532068507682510ab897827433
[INFO] running `"docker" "start" "-a" "d74d87b10af8f07369150fbf6f979aae7a02d2532068507682510ab897827433"`
[INFO] [stderr]    Compiling forever v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "d74d87b10af8f07369150fbf6f979aae7a02d2532068507682510ab897827433"`
[INFO] running `"docker" "rm" "-f" "d74d87b10af8f07369150fbf6f979aae7a02d2532068507682510ab897827433"`
[INFO] [stdout] d74d87b10af8f07369150fbf6f979aae7a02d2532068507682510ab897827433
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/learnmerust/forever:/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] 74ee4083678427048f27182dc90fed20158630479cf3211fc63346c1fff1add3
[INFO] running `"docker" "start" "-a" "74ee4083678427048f27182dc90fed20158630479cf3211fc63346c1fff1add3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/forever-ed2931fa1e3a3063
[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" "74ee4083678427048f27182dc90fed20158630479cf3211fc63346c1fff1add3"`
[INFO] running `"docker" "rm" "-f" "74ee4083678427048f27182dc90fed20158630479cf3211fc63346c1fff1add3"`
[INFO] [stdout] 74ee4083678427048f27182dc90fed20158630479cf3211fc63346c1fff1add3