[INFO] cloning repository https://github.com/islishude/rust_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/islishude/rust_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fislishude%2Frust_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fislishude%2Frust_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9de057271d9b14c7de1df6d8f2cc4e1e8cb4ef8a
[INFO] testing islishude/rust_example against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fislishude%2Frust_example" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/islishude/rust_example on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/islishude/rust_example
[INFO] finished tweaking git repo https://github.com/islishude/rust_example
[INFO] tweaked toml for git repo https://github.com/islishude/rust_example written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/islishude/rust_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2341da950ad4fedb92d63e7096ad8ad354e4057140fe10c6d16211744e76f0fa
[INFO] running `Command { std: "docker" "start" "-a" "2341da950ad4fedb92d63e7096ad8ad354e4057140fe10c6d16211744e76f0fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2341da950ad4fedb92d63e7096ad8ad354e4057140fe10c6d16211744e76f0fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2341da950ad4fedb92d63e7096ad8ad354e4057140fe10c6d16211744e76f0fa", kill_on_drop: false }`
[INFO] [stdout] 2341da950ad4fedb92d63e7096ad8ad354e4057140fe10c6d16211744e76f0fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfa775b2799c27c89efd02623d90d25de492d07d2d3dd61f0b5bab60f1ca4e0e
[INFO] running `Command { std: "docker" "start" "-a" "cfa775b2799c27c89efd02623d90d25de492d07d2d3dd61f0b5bab60f1ca4e0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rust_starter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "cfa775b2799c27c89efd02623d90d25de492d07d2d3dd61f0b5bab60f1ca4e0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfa775b2799c27c89efd02623d90d25de492d07d2d3dd61f0b5bab60f1ca4e0e", kill_on_drop: false }`
[INFO] [stdout] cfa775b2799c27c89efd02623d90d25de492d07d2d3dd61f0b5bab60f1ca4e0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adf1409d9e3f0853b0b433e284e5b45a46204232ec582309631c3f8cf743daba
[INFO] running `Command { std: "docker" "start" "-a" "adf1409d9e3f0853b0b433e284e5b45a46204232ec582309631c3f8cf743daba", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_starter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "adf1409d9e3f0853b0b433e284e5b45a46204232ec582309631c3f8cf743daba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adf1409d9e3f0853b0b433e284e5b45a46204232ec582309631c3f8cf743daba", kill_on_drop: false }`
[INFO] [stdout] adf1409d9e3f0853b0b433e284e5b45a46204232ec582309631c3f8cf743daba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ae19a54ebed8c53f73a92a033bea83523ac4088274311bfe63fb6657fa23cfff
[INFO] running `Command { std: "docker" "start" "-a" "ae19a54ebed8c53f73a92a033bea83523ac4088274311bfe63fb6657fa23cfff", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_starter-8ebdfe3d59561ca1)
[INFO] [stdout] running 1 test
[INFO] [stdout] test math::test::add_test ... 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" "ae19a54ebed8c53f73a92a033bea83523ac4088274311bfe63fb6657fa23cfff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae19a54ebed8c53f73a92a033bea83523ac4088274311bfe63fb6657fa23cfff", kill_on_drop: false }`
[INFO] [stdout] ae19a54ebed8c53f73a92a033bea83523ac4088274311bfe63fb6657fa23cfff