[INFO] updating cached repository Esdeathh/rust_learn
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Esdeathh/rust_learn
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Esdeathh/rust_learn" "work/ex/beta-1.38-1/sources/1.37.0/gh/Esdeathh/rust_learn"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Esdeathh/rust_learn'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Esdeathh/rust_learn" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Esdeathh/rust_learn"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Esdeathh/rust_learn'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d89a2a4ee0b6598dde1b336fa47e3a1b84d3830e
[INFO] sha for GitHub repo Esdeathh/rust_learn: d89a2a4ee0b6598dde1b336fa47e3a1b84d3830e
[INFO] validating manifest of Esdeathh/rust_learn 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 Esdeathh/rust_learn 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 Esdeathh/rust_learn
[INFO] finished frobbing Esdeathh/rust_learn
[INFO] frobbed toml for Esdeathh/rust_learn written to work/ex/beta-1.38-1/sources/1.37.0/gh/Esdeathh/rust_learn/Cargo.toml
[INFO] started frobbing Esdeathh/rust_learn
[INFO] finished frobbing Esdeathh/rust_learn
[INFO] frobbed toml for Esdeathh/rust_learn written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Esdeathh/rust_learn/Cargo.toml
[INFO] crate Esdeathh/rust_learn 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] testing Esdeathh/rust_learn 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/Esdeathh/rust_learn:/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] ff2b20758e1a644d2426f7c1d94ef67f6703fddafffc11433364f64d07b78f46
[INFO] running `"docker" "start" "-a" "ff2b20758e1a644d2426f7c1d94ef67f6703fddafffc11433364f64d07b78f46"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "ff2b20758e1a644d2426f7c1d94ef67f6703fddafffc11433364f64d07b78f46"`
[INFO] running `"docker" "rm" "-f" "ff2b20758e1a644d2426f7c1d94ef67f6703fddafffc11433364f64d07b78f46"`
[INFO] [stdout] ff2b20758e1a644d2426f7c1d94ef67f6703fddafffc11433364f64d07b78f46
[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/Esdeathh/rust_learn:/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] 487105e50f7c06707724518033f134db5858cac720415ec77f9de70fe84ff62b
[INFO] running `"docker" "start" "-a" "487105e50f7c06707724518033f134db5858cac720415ec77f9de70fe84ff62b"`
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "487105e50f7c06707724518033f134db5858cac720415ec77f9de70fe84ff62b"`
[INFO] running `"docker" "rm" "-f" "487105e50f7c06707724518033f134db5858cac720415ec77f9de70fe84ff62b"`
[INFO] [stdout] 487105e50f7c06707724518033f134db5858cac720415ec77f9de70fe84ff62b
[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/Esdeathh/rust_learn:/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] 31ab2745bf8227510cf9b0b4686647bd9527f6801647cedb2f4c83808e0f420d
[INFO] running `"docker" "start" "-a" "31ab2745bf8227510cf9b0b4686647bd9527f6801647cedb2f4c83808e0f420d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_cargo-912328d542d05f1b
[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" "31ab2745bf8227510cf9b0b4686647bd9527f6801647cedb2f4c83808e0f420d"`
[INFO] running `"docker" "rm" "-f" "31ab2745bf8227510cf9b0b4686647bd9527f6801647cedb2f4c83808e0f420d"`
[INFO] [stdout] 31ab2745bf8227510cf9b0b4686647bd9527f6801647cedb2f4c83808e0f420d