[INFO] fetching crate sonata 0.1.0...
[INFO] testing sonata-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate sonata 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate sonata 0.1.0 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 crates.io crate sonata 0.1.0
[INFO] finished tweaking crates.io crate sonata 0.1.0
[INFO] tweaked toml for crates.io crate sonata 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] a30e6773fc683ef94a1c97ca817c8f88d7b877f038dfec81e2d8a89fd7da6f3b
[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" "a30e6773fc683ef94a1c97ca817c8f88d7b877f038dfec81e2d8a89fd7da6f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a30e6773fc683ef94a1c97ca817c8f88d7b877f038dfec81e2d8a89fd7da6f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a30e6773fc683ef94a1c97ca817c8f88d7b877f038dfec81e2d8a89fd7da6f3b", kill_on_drop: false }`
[INFO] [stdout] a30e6773fc683ef94a1c97ca817c8f88d7b877f038dfec81e2d8a89fd7da6f3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 1415d9c7484035d3f3de375ed117154da4a755ec0d13edfe7215268a87176643
[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" "1415d9c7484035d3f3de375ed117154da4a755ec0d13edfe7215268a87176643", kill_on_drop: false }`
[INFO] [stderr]    Compiling sonata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/stcc/ast.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn item(self) -> (&'static [u8]);
[INFO] [stdout]   |                      ^             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 6 -     fn item(self) -> (&'static [u8]);
[INFO] [stdout] 6 +     fn item(self) -> &'static [u8];
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "1415d9c7484035d3f3de375ed117154da4a755ec0d13edfe7215268a87176643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1415d9c7484035d3f3de375ed117154da4a755ec0d13edfe7215268a87176643", kill_on_drop: false }`
[INFO] [stdout] 1415d9c7484035d3f3de375ed117154da4a755ec0d13edfe7215268a87176643
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] 649a1391d7350854dcf2e2ab87327e77e61e3c5486bee07f2a145103bcc6d7f1
[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" "649a1391d7350854dcf2e2ab87327e77e61e3c5486bee07f2a145103bcc6d7f1", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/stcc/ast.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn item(self) -> (&'static [u8]);
[INFO] [stdout]   |                      ^             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 6 -     fn item(self) -> (&'static [u8]);
[INFO] [stdout] 6 +     fn item(self) -> &'static [u8];
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sonata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/stcc/ast.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn item(self) -> (&'static [u8]);
[INFO] [stdout]   |                      ^             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 6 -     fn item(self) -> (&'static [u8]);
[INFO] [stdout] 6 +     fn item(self) -> &'static [u8];
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "649a1391d7350854dcf2e2ab87327e77e61e3c5486bee07f2a145103bcc6d7f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "649a1391d7350854dcf2e2ab87327e77e61e3c5486bee07f2a145103bcc6d7f1", kill_on_drop: false }`
[INFO] [stdout] 649a1391d7350854dcf2e2ab87327e77e61e3c5486bee07f2a145103bcc6d7f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fff5ca8708a1602d37acb40267e64fe628640221cf69f179259f36dc2d380dc9
[INFO] running `Command { std: "docker" "start" "-a" "fff5ca8708a1602d37acb40267e64fe628640221cf69f179259f36dc2d380dc9", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]  --> src/stcc/ast.rs:6:22
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn item(self) -> (&'static [u8]);
[INFO] [stderr]   |                      ^             ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr] 6 -     fn item(self) -> (&'static [u8]);
[INFO] [stderr] 6 +     fn item(self) -> &'static [u8];
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: `sonata` (lib) generated 1 warning
[INFO] [stderr] warning: `sonata` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sonata-b005ff8759b015a4)
[INFO] [stderr]      Running tests/test_stream.rs (/opt/rustwide/target/debug/deps/test_stream-7a353c822765948e)
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests sonata
[INFO] [stdout] test test_list ... ok
[INFO] [stdout] test test_cons ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]  --> /opt/rustwide/workdir/src/stcc/ast.rs:6:22
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn item(self) -> (&'static [u8]);
[INFO] [stderr]   |                      ^             ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr] 6 -     fn item(self) -> (&'static [u8]);
[INFO] [stderr] 6 +     fn item(self) -> &'static [u8];
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/stcc/adtree.rs - stcc::adtree::ADTree (line 10) ... ok
[INFO] [stdout] test src/stcc/cons.rs - stcc::cons::ConsTrait (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fff5ca8708a1602d37acb40267e64fe628640221cf69f179259f36dc2d380dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fff5ca8708a1602d37acb40267e64fe628640221cf69f179259f36dc2d380dc9", kill_on_drop: false }`
[INFO] [stdout] fff5ca8708a1602d37acb40267e64fe628640221cf69f179259f36dc2d380dc9