[INFO] updating cached repository https://github.com/nu-rust-course/bench2
[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] 742b9998bb3aa65879ebc048799aa0fa35503438
[INFO] testing nu-rust-course/bench2 against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnu-rust-course%2Fbench2" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nu-rust-course/bench2 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nu-rust-course/bench2
[INFO] finished tweaking git repo https://github.com/nu-rust-course/bench2
[INFO] tweaked toml for git repo https://github.com/nu-rust-course/bench2 written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/nu-rust-course/bench2 already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 6f83deeb5629fa6a8d55afcb3295ecdf636569feaab9b910bf770a6a8988e6de
[INFO] running `"docker" "start" "-a" "6f83deeb5629fa6a8d55afcb3295ecdf636569feaab9b910bf770a6a8988e6de"`
[INFO] [stderr]    Compiling bench2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "6f83deeb5629fa6a8d55afcb3295ecdf636569feaab9b910bf770a6a8988e6de"`
[INFO] running `"docker" "rm" "-f" "6f83deeb5629fa6a8d55afcb3295ecdf636569feaab9b910bf770a6a8988e6de"`
[INFO] [stdout] 6f83deeb5629fa6a8d55afcb3295ecdf636569feaab9b910bf770a6a8988e6de
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c762c25ea10586b247da2a5372fcf4886ad19587cbb2f48844697d163d9aae4a
[INFO] running `"docker" "start" "-a" "c762c25ea10586b247da2a5372fcf4886ad19587cbb2f48844697d163d9aae4a"`
[INFO] [stderr]    Compiling bench2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `"docker" "inspect" "c762c25ea10586b247da2a5372fcf4886ad19587cbb2f48844697d163d9aae4a"`
[INFO] running `"docker" "rm" "-f" "c762c25ea10586b247da2a5372fcf4886ad19587cbb2f48844697d163d9aae4a"`
[INFO] [stdout] c762c25ea10586b247da2a5372fcf4886ad19587cbb2f48844697d163d9aae4a
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 93acfc7da62dd735afaf1a068552a84b92d721a69c3ea4e3eb08f595584c8b0a
[INFO] running `"docker" "start" "-a" "93acfc7da62dd735afaf1a068552a84b92d721a69c3ea4e3eb08f595584c8b0a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bench2-23cf05ad26ae707e
[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" "93acfc7da62dd735afaf1a068552a84b92d721a69c3ea4e3eb08f595584c8b0a"`
[INFO] running `"docker" "rm" "-f" "93acfc7da62dd735afaf1a068552a84b92d721a69c3ea4e3eb08f595584c8b0a"`
[INFO] [stdout] 93acfc7da62dd735afaf1a068552a84b92d721a69c3ea4e3eb08f595584c8b0a