[INFO] cloning repository https://github.com/FoseFx/turing_machine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FoseFx/turing_machine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFoseFx%2Fturing_machine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFoseFx%2Fturing_machine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37cfb6e97160d2bdde00855dbaeae32b82f3dba4
[INFO] testing FoseFx/turing_machine against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFoseFx%2Fturing_machine" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FoseFx/turing_machine on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FoseFx/turing_machine
[INFO] finished tweaking git repo https://github.com/FoseFx/turing_machine
[INFO] tweaked toml for git repo https://github.com/FoseFx/turing_machine written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/FoseFx/turing_machine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 740d690c7b711a32c6b0c4b69c1b0f5c5cecb58f11c639727c53f7c9562c2fa5
[INFO] running `Command { std: "docker" "start" "-a" "740d690c7b711a32c6b0c4b69c1b0f5c5cecb58f11c639727c53f7c9562c2fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "740d690c7b711a32c6b0c4b69c1b0f5c5cecb58f11c639727c53f7c9562c2fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "740d690c7b711a32c6b0c4b69c1b0f5c5cecb58f11c639727c53f7c9562c2fa5", kill_on_drop: false }`
[INFO] [stdout] 740d690c7b711a32c6b0c4b69c1b0f5c5cecb58f11c639727c53f7c9562c2fa5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 624b49fc749f703fbf74054d5169c03a9be74e1894d572fb3a089b5e40cf95ae
[INFO] running `Command { std: "docker" "start" "-a" "624b49fc749f703fbf74054d5169c03a9be74e1894d572fb3a089b5e40cf95ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling turing_machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "624b49fc749f703fbf74054d5169c03a9be74e1894d572fb3a089b5e40cf95ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "624b49fc749f703fbf74054d5169c03a9be74e1894d572fb3a089b5e40cf95ae", kill_on_drop: false }`
[INFO] [stdout] 624b49fc749f703fbf74054d5169c03a9be74e1894d572fb3a089b5e40cf95ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 246c1d2e8bbf3a7f7f49f3bc9ab5f7dd2b73ca9eb3bb4d5009efce538cc2aecf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "246c1d2e8bbf3a7f7f49f3bc9ab5f7dd2b73ca9eb3bb4d5009efce538cc2aecf", kill_on_drop: false }`
[INFO] [stderr]    Compiling turing_machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "246c1d2e8bbf3a7f7f49f3bc9ab5f7dd2b73ca9eb3bb4d5009efce538cc2aecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "246c1d2e8bbf3a7f7f49f3bc9ab5f7dd2b73ca9eb3bb4d5009efce538cc2aecf", kill_on_drop: false }`
[INFO] [stdout] 246c1d2e8bbf3a7f7f49f3bc9ab5f7dd2b73ca9eb3bb4d5009efce538cc2aecf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0a449f55e84aa4de65a97b5844f521b64db85a095c739d72a4296ba7aeb9d2fe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0a449f55e84aa4de65a97b5844f521b64db85a095c739d72a4296ba7aeb9d2fe", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 13 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/turing_machine-7ec9debd5d10815b)
[INFO] [stdout] test tm_cell::tm_cell_test::test_append ... ok
[INFO] [stdout] test tm_cell::tm_cell_test::test_prepend ... ok
[INFO] [stdout] test tm_tape::tests::cleanup::first_head ... ok
[INFO] [stdout] test tm_tape::tests::cleanup::first_not_head ... ok
[INFO] [stdout] test tm_tape::tests::test_from ... ok
[INFO] [stdout] test tm_tape::tests::r_without_next ... ok
[INFO] [stdout] test tm_tape::tests::move_head::r_with_next ... ok
[INFO] [stdout] test tm_tape::tests::move_head::n ... ok
[INFO] [stdout] test tm_tape::tests::cleanup::last_head ... ok
[INFO] [stdout] test tm_tape::tests::cleanup::last_not_head ... ok
[INFO] [stdout] test tm_tape::tests::cleanup::no_blanks ... ok
[INFO] [stdout] test tm_tape::tests::l_with_prev ... ok
[INFO] [stdout] test tm_tape::tests::l_without_prev ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0a449f55e84aa4de65a97b5844f521b64db85a095c739d72a4296ba7aeb9d2fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a449f55e84aa4de65a97b5844f521b64db85a095c739d72a4296ba7aeb9d2fe", kill_on_drop: false }`
[INFO] [stdout] 0a449f55e84aa4de65a97b5844f521b64db85a095c739d72a4296ba7aeb9d2fe