[INFO] updating cached repository https://github.com/CGQAQ/rust-exercises
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1c745c44d5f1e9c5801e7db0c18fc7278836cd7e
[INFO] testing CGQAQ/rust-exercises against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FCGQAQ%2Frust-exercises" "work/builds/worker-9/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CGQAQ/rust-exercises on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/CGQAQ/rust-exercises
[INFO] finished tweaking git repo https://github.com/CGQAQ/rust-exercises
[INFO] tweaked toml for git repo https://github.com/CGQAQ/rust-exercises written to work/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/CGQAQ/rust-exercises already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 44db5a30066c14da06e80ab7600700df9661ca5611947cf399aab9b482f51338
[INFO] running `"docker" "start" "-a" "44db5a30066c14da06e80ab7600700df9661ca5611947cf399aab9b482f51338"`
[INFO] [stderr]    Compiling list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `"docker" "inspect" "44db5a30066c14da06e80ab7600700df9661ca5611947cf399aab9b482f51338"`
[INFO] running `"docker" "rm" "-f" "44db5a30066c14da06e80ab7600700df9661ca5611947cf399aab9b482f51338"`
[INFO] [stdout] 44db5a30066c14da06e80ab7600700df9661ca5611947cf399aab9b482f51338
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8259f2a0a08c40d810d7f264705f95ea03919e3530cddb112db098a1368424c0
[INFO] running `"docker" "start" "-a" "8259f2a0a08c40d810d7f264705f95ea03919e3530cddb112db098a1368424c0"`
[INFO] [stderr]    Compiling list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "8259f2a0a08c40d810d7f264705f95ea03919e3530cddb112db098a1368424c0"`
[INFO] running `"docker" "rm" "-f" "8259f2a0a08c40d810d7f264705f95ea03919e3530cddb112db098a1368424c0"`
[INFO] [stdout] 8259f2a0a08c40d810d7f264705f95ea03919e3530cddb112db098a1368424c0
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 16832437783f8a1552a6136341a4f8bc20ac5182df2cbdfc215b50eb67f2d7c3
[INFO] running `"docker" "start" "-a" "16832437783f8a1552a6136341a4f8bc20ac5182df2cbdfc215b50eb67f2d7c3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/list-0af3087e85879ac4
[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" "16832437783f8a1552a6136341a4f8bc20ac5182df2cbdfc215b50eb67f2d7c3"`
[INFO] running `"docker" "rm" "-f" "16832437783f8a1552a6136341a4f8bc20ac5182df2cbdfc215b50eb67f2d7c3"`
[INFO] [stdout] 16832437783f8a1552a6136341a4f8bc20ac5182df2cbdfc215b50eb67f2d7c3