[INFO] cloning repository https://github.com/berkus/mre-write_to
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/berkus/mre-write_to" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberkus%2Fmre-write_to", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberkus%2Fmre-write_to'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0dca907fc0573b643ad076f12c3f0515665cabf
[INFO] testing berkus/mre-write_to against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberkus%2Fmre-write_to" "/workspace/builds/worker-77/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-77/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/berkus/mre-write_to on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/berkus/mre-write_to
[INFO] finished tweaking git repo https://github.com/berkus/mre-write_to
[INFO] tweaked toml for git repo https://github.com/berkus/mre-write_to written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] crate git repo https://github.com/berkus/mre-write_to already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 551238d47bc639cfd9a81cbddfd972da12837cb3b25ea39c6f669d936f5c9a1f
[INFO] running `Command { std: "docker" "start" "-a" "551238d47bc639cfd9a81cbddfd972da12837cb3b25ea39c6f669d936f5c9a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "551238d47bc639cfd9a81cbddfd972da12837cb3b25ea39c6f669d936f5c9a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "551238d47bc639cfd9a81cbddfd972da12837cb3b25ea39c6f669d936f5c9a1f", kill_on_drop: false }`
[INFO] [stdout] 551238d47bc639cfd9a81cbddfd972da12837cb3b25ea39c6f669d936f5c9a1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b06f58178846fc4c9764bb0c93485e671df2fadac597ca031330faeae4c01f0
[INFO] running `Command { std: "docker" "start" "-a" "4b06f58178846fc4c9764bb0c93485e671df2fadac597ca031330faeae4c01f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling test-write-to v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "4b06f58178846fc4c9764bb0c93485e671df2fadac597ca031330faeae4c01f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b06f58178846fc4c9764bb0c93485e671df2fadac597ca031330faeae4c01f0", kill_on_drop: false }`
[INFO] [stdout] 4b06f58178846fc4c9764bb0c93485e671df2fadac597ca031330faeae4c01f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b722d2764386169fb5f798cfa1022d7a4c18f25ab24f1dc14cf2c239df65bcf
[INFO] running `Command { std: "docker" "start" "-a" "2b722d2764386169fb5f798cfa1022d7a4c18f25ab24f1dc14cf2c239df65bcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling test-write-to v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "2b722d2764386169fb5f798cfa1022d7a4c18f25ab24f1dc14cf2c239df65bcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b722d2764386169fb5f798cfa1022d7a4c18f25ab24f1dc14cf2c239df65bcf", kill_on_drop: false }`
[INFO] [stdout] 2b722d2764386169fb5f798cfa1022d7a4c18f25ab24f1dc14cf2c239df65bcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5dba96038865dbda06aeff68b914de0279f68b1932ad7eede1e3aaab19dfa163
[INFO] running `Command { std: "docker" "start" "-a" "5dba96038865dbda06aeff68b914de0279f68b1932ad7eede1e3aaab19dfa163", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/test_write_to-d38e4fefc43b7661)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] Converting to str
[INFO] [stdout] test tests::write_to_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5dba96038865dbda06aeff68b914de0279f68b1932ad7eede1e3aaab19dfa163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dba96038865dbda06aeff68b914de0279f68b1932ad7eede1e3aaab19dfa163", kill_on_drop: false }`
[INFO] [stdout] 5dba96038865dbda06aeff68b914de0279f68b1932ad7eede1e3aaab19dfa163