[INFO] fetching crate gramma 0.1.1...
[INFO] testing gramma-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate gramma 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate gramma 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gramma 0.1.1
[INFO] finished tweaking crates.io crate gramma 0.1.1
[INFO] tweaked toml for crates.io crate gramma 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ec7c5ccea3a8c8dafccc09cedd5b3619e515c6ccd5f04bb1867285dc8062732
[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" "0ec7c5ccea3a8c8dafccc09cedd5b3619e515c6ccd5f04bb1867285dc8062732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ec7c5ccea3a8c8dafccc09cedd5b3619e515c6ccd5f04bb1867285dc8062732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ec7c5ccea3a8c8dafccc09cedd5b3619e515c6ccd5f04bb1867285dc8062732", kill_on_drop: false }`
[INFO] [stdout] 0ec7c5ccea3a8c8dafccc09cedd5b3619e515c6ccd5f04bb1867285dc8062732
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbaa7e130942b07d7e6c03a464e5211a152f5c6d12bd92f075afd584bd03bee9
[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" "cbaa7e130942b07d7e6c03a464e5211a152f5c6d12bd92f075afd584bd03bee9", kill_on_drop: false }`
[INFO] [stderr]    Compiling gramma v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown `doc` attribute `Hidden`
[INFO] [stdout]    --> src/lex.rs:245:7
[INFO] [stdout]     |
[INFO] [stdout] 245 | #[doc(Hidden)]
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "cbaa7e130942b07d7e6c03a464e5211a152f5c6d12bd92f075afd584bd03bee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbaa7e130942b07d7e6c03a464e5211a152f5c6d12bd92f075afd584bd03bee9", kill_on_drop: false }`
[INFO] [stdout] cbaa7e130942b07d7e6c03a464e5211a152f5c6d12bd92f075afd584bd03bee9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7e02f0a76356ef1daa9fdd5cb422b00661963d8c32c4f67d66752e9c67c420d
[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" "d7e02f0a76356ef1daa9fdd5cb422b00661963d8c32c4f67d66752e9c67c420d", kill_on_drop: false }`
[INFO] [stdout] warning: unknown `doc` attribute `Hidden`
[INFO] [stdout]    --> src/lex.rs:245:7
[INFO] [stdout]     |
[INFO] [stdout] 245 | #[doc(Hidden)]
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gramma v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown `doc` attribute `Hidden`
[INFO] [stdout]    --> src/lex.rs:245:7
[INFO] [stdout]     |
[INFO] [stdout] 245 | #[doc(Hidden)]
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "d7e02f0a76356ef1daa9fdd5cb422b00661963d8c32c4f67d66752e9c67c420d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7e02f0a76356ef1daa9fdd5cb422b00661963d8c32c4f67d66752e9c67c420d", kill_on_drop: false }`
[INFO] [stdout] d7e02f0a76356ef1daa9fdd5cb422b00661963d8c32c4f67d66752e9c67c420d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 408773822efd425058af1a4bcc7744b3e17db2eeeb4e7d126d8fb46efb6f1b86
[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" "408773822efd425058af1a4bcc7744b3e17db2eeeb4e7d126d8fb46efb6f1b86", kill_on_drop: false }`
[INFO] [stderr] warning: unknown `doc` attribute `Hidden`
[INFO] [stderr]    --> src/lex.rs:245:7
[INFO] [stderr]     |
[INFO] [stderr] 245 | #[doc(Hidden)]
[INFO] [stderr]     |       ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stderr] 
[INFO] [stderr] warning: `gramma` (lib) generated 1 warning
[INFO] [stderr] warning: `gramma` (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/gramma-943eb51474699fc0)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/common.rs (/opt/rustwide/target/debug/deps/common-517bc63679205758)
[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 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] [stderr]      Running tests/json.rs (/opt/rustwide/target/debug/deps/json-a314ddd1de23a1f1)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test parse_json ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lispish.rs (/opt/rustwide/target/debug/deps/lispish-bbf47fe706a2391f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test parse_lispish ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gramma
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lex.rs - lex::Whitespace (line 98) ... ok
[INFO] [stdout] test src/parse/macros.rs - grammar (line 374) ... ok
[INFO] [stdout] test src/lex.rs - lex::Identifier (line 166) ... ok
[INFO] [stdout] test src/lex.rs - tokens (line 580) ... ok
[INFO] [stdout] test src/lex.rs - lex::RealDecimal (line 166) ... ok
[INFO] [stdout] test src/lex.rs - lex::IntDecimal (line 166) ... ok
[INFO] [stdout] test src/lex.rs - lex::Eof (line 60) ... ok
[INFO] [stdout] test src/lex.rs - tokens (line 511) ... ok
[INFO] [stdout] test src/lex.rs - tokens (line 534) ... ok
[INFO] [stdout] test src/lex.rs - lex::StringToken (line 168) ... ok
[INFO] [stdout] test src/lex.rs - tokens (line 554) ... ok
[INFO] [stdout] test src/parse/macros.rs - grammar (line 398) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "408773822efd425058af1a4bcc7744b3e17db2eeeb4e7d126d8fb46efb6f1b86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "408773822efd425058af1a4bcc7744b3e17db2eeeb4e7d126d8fb46efb6f1b86", kill_on_drop: false }`
[INFO] [stdout] 408773822efd425058af1a4bcc7744b3e17db2eeeb4e7d126d8fb46efb6f1b86