[INFO] cloning repository https://github.com/davebrent/jez
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davebrent/jez" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavebrent%2Fjez", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavebrent%2Fjez'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4d52e15dd5a9fdb974209573261adea2fd51de8
[INFO] testing davebrent/jez against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavebrent%2Fjez" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davebrent/jez 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/davebrent/jez
[INFO] finished tweaking git repo https://github.com/davebrent/jez
[INFO] tweaked toml for git repo https://github.com/davebrent/jez written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/davebrent/jez 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.46
[INFO] [stderr]   Downloaded aho-corasick v0.7.7
[INFO] [stderr]   Downloaded ws v0.9.1
[INFO] [stderr]   Downloaded rosc v0.3.0
[INFO] [stderr]   Downloaded portmidi v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 20a760e7500e8a8c737c7a84c5fddbb47b058ea10a69ca106e3085c135378e68
[INFO] running `Command { std: "docker" "start" "-a" "20a760e7500e8a8c737c7a84c5fddbb47b058ea10a69ca106e3085c135378e68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20a760e7500e8a8c737c7a84c5fddbb47b058ea10a69ca106e3085c135378e68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20a760e7500e8a8c737c7a84c5fddbb47b058ea10a69ca106e3085c135378e68", kill_on_drop: false }`
[INFO] [stdout] 20a760e7500e8a8c737c7a84c5fddbb47b058ea10a69ca106e3085c135378e68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 5a29ea87eb8ac5809c1607e89889c2f13f4b6fa93d5ad24201a3d9a00f19c3e5
[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" "5a29ea87eb8ac5809c1607e89889c2f13f4b6fa93d5ad24201a3d9a00f19c3e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling rosc v0.3.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling serde_json v1.0.46
[INFO] [stderr]    Compiling jez v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]   --> src/vm/fx/prob.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     parent: Option<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 44.66s
[INFO] running `Command { std: "docker" "inspect" "5a29ea87eb8ac5809c1607e89889c2f13f4b6fa93d5ad24201a3d9a00f19c3e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a29ea87eb8ac5809c1607e89889c2f13f4b6fa93d5ad24201a3d9a00f19c3e5", kill_on_drop: false }`
[INFO] [stdout] 5a29ea87eb8ac5809c1607e89889c2f13f4b6fa93d5ad24201a3d9a00f19c3e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1f91dab8dcf54dfc62f0bc29c0ced16c4054272b5d4a0b942a095716bd6c6f7b
[INFO] running `Command { std: "docker" "start" "-a" "1f91dab8dcf54dfc62f0bc29c0ced16c4054272b5d4a0b942a095716bd6c6f7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling jez v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]   --> src/vm/fx/prob.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     parent: Option<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]   --> src/vm/fx/prob.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     parent: Option<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 8.20s
[INFO] running `Command { std: "docker" "inspect" "1f91dab8dcf54dfc62f0bc29c0ced16c4054272b5d4a0b942a095716bd6c6f7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f91dab8dcf54dfc62f0bc29c0ced16c4054272b5d4a0b942a095716bd6c6f7b", kill_on_drop: false }`
[INFO] [stdout] 1f91dab8dcf54dfc62f0bc29c0ced16c4054272b5d4a0b942a095716bd6c6f7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 6f54693b9b39d73f3728e7501924c0c79210a45f9b5aa5b874e2d2a7b760300a
[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" "6f54693b9b39d73f3728e7501924c0c79210a45f9b5aa5b874e2d2a7b760300a", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `parent`
[INFO] [stderr]   --> src/vm/fx/prob.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     parent: Option<usize>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `jez` (lib) generated 1 warning
[INFO] [stderr] warning: `jez` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jez-cf561a02289bbd2e)
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test lang::parse::tests::test_stream_comments ... ok
[INFO] [stdout] test lang::parse::tests::test_stream_take_while_eof ... ok
[INFO] [stdout] test vm::fx::pitch::tests::test_shifting_pitches ... ok
[INFO] [stdout] test vm::fx::pitch::tests::test_wrap_around_pitches ... ok
[INFO] [stdout] test vm::interp::interps::tests::test_store_strings ... ok
[INFO] [stdout] test vm::interp::interps::tests::test_variables ... ok
[INFO] [stdout] test vm::fx::prob::tests::test_continuous_stream ... ok
[INFO] [stdout] test vm::math::tests::test_point_on_curve ... ok
[INFO] [stdout] test vm::fx::prob::tests::test_start_key ... ok
[INFO] [stdout] test vm::interp::interps::tests::test_block_zero ... ok
[INFO] [stdout] test vm::words::list::tests::every_keyword_true ... ok
[INFO] [stdout] test vm::words::list::tests::repeat_keyword ... ok
[INFO] [stdout] test vm::words::list::tests::reverse_keyword ... ok
[INFO] [stdout] test vm::words::list::tests::rotate_keyword ... ok
[INFO] [stdout] test lang::parse::tests::test_stream_next_peek_order ... ok
[INFO] [stdout] test lang::assem::tests::test_simple ... ok
[INFO] [stdout] test vm::fx::pitch::tests::test_octave ... ok
[INFO] [stdout] test vm::words::bin::tests::test_graycode ... ok
[INFO] [stdout] test vm::time::tests::test_out_of_order_timeouts ... ok
[INFO] [stdout] test vm::time::tests::test_intervals ... ok
[INFO] [stdout] test vm::time::tests::test_time_fns ... ok
[INFO] [stdout] test lang::parse::tests::test_stream_peek ... ok
[INFO] [stdout] test vm::words::list::tests::test_range ... ok
[INFO] [stdout] test vm::words::bin::tests::test_binlist ... ok
[INFO] [stdout] test lang::parse::tests::test_stream_take_while_whitespace ... ok
[INFO] [stdout] test lang::parse::tests::test_stream_next ... ok
[INFO] [stdout] test vm::words::list::tests::every_keyword_false ... ok
[INFO] [stdout] test vm::words::track::tests::test_rev ... ok
[INFO] [stdout] test vm::words::midi::tests::test_simultaneous_events ... ok
[INFO] [stdout] test vm::words::prob::tests::random_keywords ... ok
[INFO] [stdout] test lang::assem::tests::test_strings ... ok
[INFO] [stdout] test lang::parse::tests::test_stream_take_while_multiple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/command_tests.rs (/opt/rustwide/target/debug/deps/command_tests-48faed2bd4110204)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_rhythm_onsets ... ok
[INFO] [stdout] test test_events_simple ... ok
[INFO] [stdout] test test_last_note_off ... ok
[INFO] [stdout] test test_rotate_simple ... ok
[INFO] [stdout] test test_sieves_simple ... ok
[INFO] [stdout] test test_sieves_xor ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jez
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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" "6f54693b9b39d73f3728e7501924c0c79210a45f9b5aa5b874e2d2a7b760300a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f54693b9b39d73f3728e7501924c0c79210a45f9b5aa5b874e2d2a7b760300a", kill_on_drop: false }`
[INFO] [stdout] 6f54693b9b39d73f3728e7501924c0c79210a45f9b5aa5b874e2d2a7b760300a