[INFO] updating cached repository Kurt-Yu/Rust-Crash-Course
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Kurt-Yu/Rust-Crash-Course
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Kurt-Yu/Rust-Crash-Course" "work/ex/beta-1.38-1/sources/1.37.0/gh/Kurt-Yu/Rust-Crash-Course"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Kurt-Yu/Rust-Crash-Course'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Kurt-Yu/Rust-Crash-Course" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Kurt-Yu/Rust-Crash-Course"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Kurt-Yu/Rust-Crash-Course'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cf6831d7235b9ddc02008f76d1b7989996abdb76
[INFO] sha for GitHub repo Kurt-Yu/Rust-Crash-Course: cf6831d7235b9ddc02008f76d1b7989996abdb76
[INFO] validating manifest of Kurt-Yu/Rust-Crash-Course 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 Kurt-Yu/Rust-Crash-Course 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 Kurt-Yu/Rust-Crash-Course
[INFO] finished frobbing Kurt-Yu/Rust-Crash-Course
[INFO] frobbed toml for Kurt-Yu/Rust-Crash-Course written to work/ex/beta-1.38-1/sources/1.37.0/gh/Kurt-Yu/Rust-Crash-Course/Cargo.toml
[INFO] started frobbing Kurt-Yu/Rust-Crash-Course
[INFO] finished frobbing Kurt-Yu/Rust-Crash-Course
[INFO] frobbed toml for Kurt-Yu/Rust-Crash-Course written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Kurt-Yu/Rust-Crash-Course/Cargo.toml
[INFO] crate Kurt-Yu/Rust-Crash-Course 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 Kurt-Yu/Rust-Crash-Course 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/Kurt-Yu/Rust-Crash-Course:/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] dee98786b835f8ba5b095e57dc30e344409d7e3d06f80c28905ef771753d79e4
[INFO] running `"docker" "start" "-a" "dee98786b835f8ba5b095e57dc30e344409d7e3d06f80c28905ef771753d79e4"`
[INFO] [stderr]    Compiling rustlang v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "dee98786b835f8ba5b095e57dc30e344409d7e3d06f80c28905ef771753d79e4"`
[INFO] running `"docker" "rm" "-f" "dee98786b835f8ba5b095e57dc30e344409d7e3d06f80c28905ef771753d79e4"`
[INFO] [stdout] dee98786b835f8ba5b095e57dc30e344409d7e3d06f80c28905ef771753d79e4
[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/Kurt-Yu/Rust-Crash-Course:/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] 2c7d67b6705857aaebbedddfb92f89ceab45204c22288af531bb3c456ea5825d
[INFO] running `"docker" "start" "-a" "2c7d67b6705857aaebbedddfb92f89ceab45204c22288af531bb3c456ea5825d"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustlang v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "2c7d67b6705857aaebbedddfb92f89ceab45204c22288af531bb3c456ea5825d"`
[INFO] running `"docker" "rm" "-f" "2c7d67b6705857aaebbedddfb92f89ceab45204c22288af531bb3c456ea5825d"`
[INFO] [stdout] 2c7d67b6705857aaebbedddfb92f89ceab45204c22288af531bb3c456ea5825d
[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/Kurt-Yu/Rust-Crash-Course:/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] 503bce371534b3ef65d3d91d6f0a788c8e283e67c70b315ba47516142ab42461
[INFO] running `"docker" "start" "-a" "503bce371534b3ef65d3d91d6f0a788c8e283e67c70b315ba47516142ab42461"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustlang-376e2d5e2f3e58ad
[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" "503bce371534b3ef65d3d91d6f0a788c8e283e67c70b315ba47516142ab42461"`
[INFO] running `"docker" "rm" "-f" "503bce371534b3ef65d3d91d6f0a788c8e283e67c70b315ba47516142ab42461"`
[INFO] [stdout] 503bce371534b3ef65d3d91d6f0a788c8e283e67c70b315ba47516142ab42461