[INFO] updating cached repository Journeycorner/tokio-playground
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Journeycorner/tokio-playground
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Journeycorner/tokio-playground" "work/ex/beta-1.38-1/sources/1.37.0/gh/Journeycorner/tokio-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Journeycorner/tokio-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Journeycorner/tokio-playground" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Journeycorner/tokio-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Journeycorner/tokio-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 75264ade9855b48f7b527a0642dfdb701458b2ac
[INFO] sha for GitHub repo Journeycorner/tokio-playground: 75264ade9855b48f7b527a0642dfdb701458b2ac
[INFO] validating manifest of Journeycorner/tokio-playground 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 Journeycorner/tokio-playground 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 Journeycorner/tokio-playground
[INFO] finished frobbing Journeycorner/tokio-playground
[INFO] frobbed toml for Journeycorner/tokio-playground written to work/ex/beta-1.38-1/sources/1.37.0/gh/Journeycorner/tokio-playground/Cargo.toml
[INFO] started frobbing Journeycorner/tokio-playground
[INFO] finished frobbing Journeycorner/tokio-playground
[INFO] frobbed toml for Journeycorner/tokio-playground written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Journeycorner/tokio-playground/Cargo.toml
[INFO] crate Journeycorner/tokio-playground 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing Journeycorner/tokio-playground 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Journeycorner/tokio-playground:/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] b56a81bdf7531b3f8f0b4ea09055b7d2cbe30b0600661b6e0d8a17b29b8ad57b
[INFO] running `"docker" "start" "-a" "b56a81bdf7531b3f8f0b4ea09055b7d2cbe30b0600661b6e0d8a17b29b8ad57b"`
[INFO] [stderr]    Compiling tokio-playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "b56a81bdf7531b3f8f0b4ea09055b7d2cbe30b0600661b6e0d8a17b29b8ad57b"`
[INFO] running `"docker" "rm" "-f" "b56a81bdf7531b3f8f0b4ea09055b7d2cbe30b0600661b6e0d8a17b29b8ad57b"`
[INFO] [stdout] b56a81bdf7531b3f8f0b4ea09055b7d2cbe30b0600661b6e0d8a17b29b8ad57b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Journeycorner/tokio-playground:/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] 81fed2c701e7c591ab987ea3998312f364c2ebc1d82cbe501fd118c783ae71b8
[INFO] running `"docker" "start" "-a" "81fed2c701e7c591ab987ea3998312f364c2ebc1d82cbe501fd118c783ae71b8"`
[INFO] [stderr]    Compiling tokio-playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "81fed2c701e7c591ab987ea3998312f364c2ebc1d82cbe501fd118c783ae71b8"`
[INFO] running `"docker" "rm" "-f" "81fed2c701e7c591ab987ea3998312f364c2ebc1d82cbe501fd118c783ae71b8"`
[INFO] [stdout] 81fed2c701e7c591ab987ea3998312f364c2ebc1d82cbe501fd118c783ae71b8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Journeycorner/tokio-playground:/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] 0b6bb31b12dfb1573cbee39a163a17fe78df4bd5f2aca263cc12f9cc64997c1d
[INFO] running `"docker" "start" "-a" "0b6bb31b12dfb1573cbee39a163a17fe78df4bd5f2aca263cc12f9cc64997c1d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tokio_playground-626427ae89c38044
[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" "0b6bb31b12dfb1573cbee39a163a17fe78df4bd5f2aca263cc12f9cc64997c1d"`
[INFO] running `"docker" "rm" "-f" "0b6bb31b12dfb1573cbee39a163a17fe78df4bd5f2aca263cc12f9cc64997c1d"`
[INFO] [stdout] 0b6bb31b12dfb1573cbee39a163a17fe78df4bd5f2aca263cc12f9cc64997c1d