[INFO] cloning repository https://github.com/hypen-emdash/Turing-Machine-Simulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hypen-emdash/Turing-Machine-Simulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhypen-emdash%2FTuring-Machine-Simulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhypen-emdash%2FTuring-Machine-Simulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93b9d13be9ec992c4280c10f48a3c7adfe2f646f
[INFO] testing hypen-emdash/Turing-Machine-Simulator against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhypen-emdash%2FTuring-Machine-Simulator" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hypen-emdash/Turing-Machine-Simulator on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hypen-emdash/Turing-Machine-Simulator
[INFO] finished tweaking git repo https://github.com/hypen-emdash/Turing-Machine-Simulator
[INFO] tweaked toml for git repo https://github.com/hypen-emdash/Turing-Machine-Simulator written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/hypen-emdash/Turing-Machine-Simulator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcefa753780eae5eb0b6d383ea5d50e51f8c1f74487b815d7078ea65dc83e3b5
[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" "bcefa753780eae5eb0b6d383ea5d50e51f8c1f74487b815d7078ea65dc83e3b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcefa753780eae5eb0b6d383ea5d50e51f8c1f74487b815d7078ea65dc83e3b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcefa753780eae5eb0b6d383ea5d50e51f8c1f74487b815d7078ea65dc83e3b5", kill_on_drop: false }`
[INFO] [stdout] bcefa753780eae5eb0b6d383ea5d50e51f8c1f74487b815d7078ea65dc83e3b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c441693c0b5b30068c0389a02e333afdd0e97f6502e8815c56e5945cd52b969b
[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" "c441693c0b5b30068c0389a02e333afdd0e97f6502e8815c56e5945cd52b969b", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling smol_str v0.1.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]    Compiling structopt v0.3.14
[INFO] [stderr]    Compiling ron v0.5.1
[INFO] [stderr]    Compiling turing-machine v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: warn(rust_2018_idioms) is ignored unless specified at crate level
[INFO] [stdout]  --> src/main.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[warn(rust_2018_idioms)]
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "c441693c0b5b30068c0389a02e333afdd0e97f6502e8815c56e5945cd52b969b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c441693c0b5b30068c0389a02e333afdd0e97f6502e8815c56e5945cd52b969b", kill_on_drop: false }`
[INFO] [stdout] c441693c0b5b30068c0389a02e333afdd0e97f6502e8815c56e5945cd52b969b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--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] bab3e0a0961932e874507dad61373e097836f429eccac33c697b14bd3a59cad3
[INFO] running `Command { std: "docker" "start" "-a" "bab3e0a0961932e874507dad61373e097836f429eccac33c697b14bd3a59cad3", kill_on_drop: false }`
[INFO] [stderr]    Compiling turing-machine v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: warn(rust_2018_idioms) is ignored unless specified at crate level
[INFO] [stdout]  --> src/main.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[warn(rust_2018_idioms)]
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `Command { std: "docker" "inspect" "bab3e0a0961932e874507dad61373e097836f429eccac33c697b14bd3a59cad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bab3e0a0961932e874507dad61373e097836f429eccac33c697b14bd3a59cad3", kill_on_drop: false }`
[INFO] [stdout] bab3e0a0961932e874507dad61373e097836f429eccac33c697b14bd3a59cad3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 84b3e86c637d01ea8ae505bb7fa9ecb575b16fb4e233c3f89bde4516570e5943
[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" "84b3e86c637d01ea8ae505bb7fa9ecb575b16fb4e233c3f89bde4516570e5943", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: warn(rust_2018_idioms) is ignored unless specified at crate level
[INFO] [stdout] running 24 tests
[INFO] [stderr]  --> src/main.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[warn(rust_2018_idioms)]
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `turing-machine` (bin "turing-machine" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/turing_machine-c935d262c72a0f25)
[INFO] [stdout] test tape::tests::it_works ... ok
[INFO] [stdout] test turing_machine::tests::construct ... ok
[INFO] [stdout] test turing_machine::tests::even_zeros::accept_empty ... ok
[INFO] [stdout] test turing_machine::tests::even_zeros::accept_nontrivial ... ok
[INFO] [stdout] test turing_machine::tests::ones_twos_threes::accept_empty ... ok
[INFO] [stdout] test turing_machine::tests::ones_twos_threes::reject_no_enough_ones ... ok
[INFO] [stdout] test turing_machine::tests::ones_twos_threes::accept_small ... ok
[INFO] [stdout] test program::tests::nonempty ... ok
[INFO] [stdout] test turing_machine::tests::even_zeros::reject_nontrivial ... ok
[INFO] [stdout] test turing_machine::tests::ones_twos_threes::accept_large ... ok
[INFO] [stdout] test program_ron::tests::valid_program ... ok
[INFO] [stdout] test program::tests::empty ... ok
[INFO] [stdout] test program_ron::tests::degenerate_program ... ok
[INFO] [stdout] test turing_machine::tests::ones_twos_threes::reject_no_threes ... ok
[INFO] [stdout] test turing_machine::tests::ones_twos_threes::reject_too_many_ones ... ok
[INFO] [stdout] test turing_machine::tests::ones_twos_threes::reject_no_twos ... ok
[INFO] [stdout] test turing_machine::tests::ones_twos_threes::reject_no_enough_twos ... ok
[INFO] [stdout] test turing_machine::tests::ones_twos_threes::reject_no_ones ... ok
[INFO] [stdout] test turing_machine::tests::ones_twos_threes::reject_no_enough_threes ... ok
[INFO] [stdout] test turing_machine::tests::ones_twos_threes::reject_too_many_threes ... ok
[INFO] [stdout] test turing_machine::tests::ones_twos_threes::reject_too_many_twos ... ok
[INFO] [stdout] test program_ron::tests::empty_string - should panic ... ok
[INFO] [stdout] test program_ron::tests::empty_program - should panic ... ok
[INFO] [stdout] test program_ron::tests::no_initial - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "84b3e86c637d01ea8ae505bb7fa9ecb575b16fb4e233c3f89bde4516570e5943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84b3e86c637d01ea8ae505bb7fa9ecb575b16fb4e233c3f89bde4516570e5943", kill_on_drop: false }`
[INFO] [stdout] 84b3e86c637d01ea8ae505bb7fa9ecb575b16fb4e233c3f89bde4516570e5943