[INFO] updating cached repository lucasvribeiro/who-i-am
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lucasvribeiro/who-i-am
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lucasvribeiro/who-i-am" "work/ex/beta-1.38-1/sources/1.37.0/gh/lucasvribeiro/who-i-am"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lucasvribeiro/who-i-am'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lucasvribeiro/who-i-am" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lucasvribeiro/who-i-am"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lucasvribeiro/who-i-am'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6b4a65fc273882f088714a9a8a57db98b696c3df
[INFO] sha for GitHub repo lucasvribeiro/who-i-am: 6b4a65fc273882f088714a9a8a57db98b696c3df
[INFO] validating manifest of lucasvribeiro/who-i-am 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 lucasvribeiro/who-i-am 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 lucasvribeiro/who-i-am
[INFO] finished frobbing lucasvribeiro/who-i-am
[INFO] frobbed toml for lucasvribeiro/who-i-am written to work/ex/beta-1.38-1/sources/1.37.0/gh/lucasvribeiro/who-i-am/Cargo.toml
[INFO] started frobbing lucasvribeiro/who-i-am
[INFO] finished frobbing lucasvribeiro/who-i-am
[INFO] frobbed toml for lucasvribeiro/who-i-am written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lucasvribeiro/who-i-am/Cargo.toml
[INFO] crate lucasvribeiro/who-i-am 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 lucasvribeiro/who-i-am 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/lucasvribeiro/who-i-am:/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] 8749357466d9cdba86c9e98f9c53ef3407f6079af98788f0e80290ba8aedcc37
[INFO] running `"docker" "start" "-a" "8749357466d9cdba86c9e98f9c53ef3407f6079af98788f0e80290ba8aedcc37"`
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling futures v0.1.26
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling tokio-trace-core v0.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[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 bytes v0.4.12
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling tokio-executor v0.1.7
[INFO] [stderr]    Compiling tokio-sync v0.1.5
[INFO] [stderr]    Compiling tokio-timer v0.2.10
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio v0.1.19
[INFO] [stderr]    Compiling who-i-am v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0601]: `main` function not found in crate `who_i_am`
[INFO] [stderr]   |
[INFO] [stderr]   = note: consider adding a `main` function to `src/main.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0601`.
[INFO] [stderr] error: Could not compile `who-i-am`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8749357466d9cdba86c9e98f9c53ef3407f6079af98788f0e80290ba8aedcc37"`
[INFO] running `"docker" "rm" "-f" "8749357466d9cdba86c9e98f9c53ef3407f6079af98788f0e80290ba8aedcc37"`
[INFO] [stdout] 8749357466d9cdba86c9e98f9c53ef3407f6079af98788f0e80290ba8aedcc37