[INFO] updating cached repository lucis-fluxum/rust-sandbox
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lucis-fluxum/rust-sandbox
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lucis-fluxum/rust-sandbox" "work/ex/beta-1.38-1/sources/1.37.0/gh/lucis-fluxum/rust-sandbox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lucis-fluxum/rust-sandbox'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lucis-fluxum/rust-sandbox" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lucis-fluxum/rust-sandbox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lucis-fluxum/rust-sandbox'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 03e0a93850d32b32fe4f53b05917115823fe1647
[INFO] sha for GitHub repo lucis-fluxum/rust-sandbox: 03e0a93850d32b32fe4f53b05917115823fe1647
[INFO] validating manifest of lucis-fluxum/rust-sandbox 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 lucis-fluxum/rust-sandbox 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 lucis-fluxum/rust-sandbox
[INFO] finished frobbing lucis-fluxum/rust-sandbox
[INFO] frobbed toml for lucis-fluxum/rust-sandbox written to work/ex/beta-1.38-1/sources/1.37.0/gh/lucis-fluxum/rust-sandbox/Cargo.toml
[INFO] started frobbing lucis-fluxum/rust-sandbox
[INFO] finished frobbing lucis-fluxum/rust-sandbox
[INFO] frobbed toml for lucis-fluxum/rust-sandbox written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lucis-fluxum/rust-sandbox/Cargo.toml
[INFO] crate lucis-fluxum/rust-sandbox 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 lucis-fluxum/rust-sandbox 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/lucis-fluxum/rust-sandbox:/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] 43f5357e6ea91c8d20483d8c8422390d7894cecb80f9c7f623ed236a3e80b19a
[INFO] running `"docker" "start" "-a" "43f5357e6ea91c8d20483d8c8422390d7894cecb80f9c7f623ed236a3e80b19a"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling rand v0.5.4
[INFO] [stderr]    Compiling rust-sandbox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.86s
[INFO] running `"docker" "inspect" "43f5357e6ea91c8d20483d8c8422390d7894cecb80f9c7f623ed236a3e80b19a"`
[INFO] running `"docker" "rm" "-f" "43f5357e6ea91c8d20483d8c8422390d7894cecb80f9c7f623ed236a3e80b19a"`
[INFO] [stdout] 43f5357e6ea91c8d20483d8c8422390d7894cecb80f9c7f623ed236a3e80b19a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/lucis-fluxum/rust-sandbox:/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] 9c92873c44d7efc98af6b1a73345bfcc5dd57bb364644faaaa315f830eaebf93
[INFO] running `"docker" "start" "-a" "9c92873c44d7efc98af6b1a73345bfcc5dd57bb364644faaaa315f830eaebf93"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]    Compiling rust-sandbox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "9c92873c44d7efc98af6b1a73345bfcc5dd57bb364644faaaa315f830eaebf93"`
[INFO] running `"docker" "rm" "-f" "9c92873c44d7efc98af6b1a73345bfcc5dd57bb364644faaaa315f830eaebf93"`
[INFO] [stdout] 9c92873c44d7efc98af6b1a73345bfcc5dd57bb364644faaaa315f830eaebf93
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/lucis-fluxum/rust-sandbox:/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] a0d25805043a907e4dfb3f36060c733740eb803332d6c2ad2afb0d6fca2a5eb9
[INFO] running `"docker" "start" "-a" "a0d25805043a907e4dfb3f36060c733740eb803332d6c2ad2afb0d6fca2a5eb9"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_sandbox-a09a1af254f6997f
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a0d25805043a907e4dfb3f36060c733740eb803332d6c2ad2afb0d6fca2a5eb9"`
[INFO] running `"docker" "rm" "-f" "a0d25805043a907e4dfb3f36060c733740eb803332d6c2ad2afb0d6fca2a5eb9"`
[INFO] [stdout] a0d25805043a907e4dfb3f36060c733740eb803332d6c2ad2afb0d6fca2a5eb9