[INFO] cloning repository https://github.com/proprefenetre/rust-book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/proprefenetre/rust-book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproprefenetre%2Frust-book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproprefenetre%2Frust-book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58a668f2c700e5e53a5933e93035e71aba7c5cf1
[INFO] testing proprefenetre/rust-book against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproprefenetre%2Frust-book" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/proprefenetre/rust-book on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/proprefenetre/rust-book
[INFO] finished tweaking git repo https://github.com/proprefenetre/rust-book
[INFO] tweaked toml for git repo https://github.com/proprefenetre/rust-book written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/proprefenetre/rust-book already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08b47f6a717a6c9718c4f1db960ffc250fc584ba7e5cde9f94732b1e9523acf2
[INFO] running `Command { std: "docker" "start" "-a" "08b47f6a717a6c9718c4f1db960ffc250fc584ba7e5cde9f94732b1e9523acf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08b47f6a717a6c9718c4f1db960ffc250fc584ba7e5cde9f94732b1e9523acf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08b47f6a717a6c9718c4f1db960ffc250fc584ba7e5cde9f94732b1e9523acf2", kill_on_drop: false }`
[INFO] [stdout] 08b47f6a717a6c9718c4f1db960ffc250fc584ba7e5cde9f94732b1e9523acf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 492816ac0384435d1e36daeb56cd463d75ab1eee598c6c122411c90a28faeaab
[INFO] running `Command { std: "docker" "start" "-a" "492816ac0384435d1e36daeb56cd463d75ab1eee598c6c122411c90a28faeaab", kill_on_drop: false }`
[INFO] [stderr]    Compiling collections v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "492816ac0384435d1e36daeb56cd463d75ab1eee598c6c122411c90a28faeaab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "492816ac0384435d1e36daeb56cd463d75ab1eee598c6c122411c90a28faeaab", kill_on_drop: false }`
[INFO] [stdout] 492816ac0384435d1e36daeb56cd463d75ab1eee598c6c122411c90a28faeaab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df18b4028fda0057bcd6728776512c4cca9df797700a1418fb499591e2877d9d
[INFO] running `Command { std: "docker" "start" "-a" "df18b4028fda0057bcd6728776512c4cca9df797700a1418fb499591e2877d9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling collections v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "df18b4028fda0057bcd6728776512c4cca9df797700a1418fb499591e2877d9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df18b4028fda0057bcd6728776512c4cca9df797700a1418fb499591e2877d9d", kill_on_drop: false }`
[INFO] [stdout] df18b4028fda0057bcd6728776512c4cca9df797700a1418fb499591e2877d9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c4f4afe40d93ef4aae639c8c0a4761f72501399db06abf2b8f714d63632d374d
[INFO] running `Command { std: "docker" "start" "-a" "c4f4afe40d93ef4aae639c8c0a4761f72501399db06abf2b8f714d63632d374d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/collections-8271aa08e8666191)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c4f4afe40d93ef4aae639c8c0a4761f72501399db06abf2b8f714d63632d374d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4f4afe40d93ef4aae639c8c0a4761f72501399db06abf2b8f714d63632d374d", kill_on_drop: false }`
[INFO] [stdout] c4f4afe40d93ef4aae639c8c0a4761f72501399db06abf2b8f714d63632d374d