[INFO] updating cached repository https://github.com/profsergiocosta/rust-playground
[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] 94a6d107c5d485a96c8cc0a11234d0319d8f710a
[INFO] testing profsergiocosta/rust-playground against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprofsergiocosta%2Frust-playground" "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/profsergiocosta/rust-playground 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/profsergiocosta/rust-playground
[INFO] finished tweaking git repo https://github.com/profsergiocosta/rust-playground
[INFO] tweaked toml for git repo https://github.com/profsergiocosta/rust-playground written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/profsergiocosta/rust-playground 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] 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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 5e87da26c43b655abe723bc82d0c37bd3c44b77c1ff94245de278b371866fedf
[INFO] running `"docker" "start" "-a" "5e87da26c43b655abe723bc82d0c37bd3c44b77c1ff94245de278b371866fedf"`
[INFO] [stderr]    Compiling rust-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "5e87da26c43b655abe723bc82d0c37bd3c44b77c1ff94245de278b371866fedf"`
[INFO] running `"docker" "rm" "-f" "5e87da26c43b655abe723bc82d0c37bd3c44b77c1ff94245de278b371866fedf"`
[INFO] [stdout] 5e87da26c43b655abe723bc82d0c37bd3c44b77c1ff94245de278b371866fedf
[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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] ef9a32d4f9d96cbc6fa74ce2e913eee7e1fc633de64843df0813634441ea2a5d
[INFO] running `"docker" "start" "-a" "ef9a32d4f9d96cbc6fa74ce2e913eee7e1fc633de64843df0813634441ea2a5d"`
[INFO] [stderr]    Compiling rust-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "ef9a32d4f9d96cbc6fa74ce2e913eee7e1fc633de64843df0813634441ea2a5d"`
[INFO] running `"docker" "rm" "-f" "ef9a32d4f9d96cbc6fa74ce2e913eee7e1fc633de64843df0813634441ea2a5d"`
[INFO] [stdout] ef9a32d4f9d96cbc6fa74ce2e913eee7e1fc633de64843df0813634441ea2a5d
[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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] f8ffc53744e4094282d5b1586d0ded3e44ab3740d0109e35f70dea42a0da144a
[INFO] running `"docker" "start" "-a" "f8ffc53744e4094282d5b1586d0ded3e44ab3740d0109e35f70dea42a0da144a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_playground-5a42f3058b314923
[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" "f8ffc53744e4094282d5b1586d0ded3e44ab3740d0109e35f70dea42a0da144a"`
[INFO] running `"docker" "rm" "-f" "f8ffc53744e4094282d5b1586d0ded3e44ab3740d0109e35f70dea42a0da144a"`
[INFO] [stdout] f8ffc53744e4094282d5b1586d0ded3e44ab3740d0109e35f70dea42a0da144a