[INFO] cloning repository https://github.com/MTRNord/matrix-fuzz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MTRNord/matrix-fuzz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMTRNord%2Fmatrix-fuzz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMTRNord%2Fmatrix-fuzz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e0499d9d5710f466469acdd7c527e84d7cc53e2
[INFO] documenting MTRNord/matrix-fuzz against 1.76.0 for beta-1.77-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMTRNord%2Fmatrix-fuzz" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MTRNord/matrix-fuzz on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MTRNord/matrix-fuzz
[INFO] finished tweaking git repo https://github.com/MTRNord/matrix-fuzz
[INFO] tweaked toml for git repo https://github.com/MTRNord/matrix-fuzz written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MTRNord/matrix-fuzz already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/MTRNord/fuzzcheck-rs.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/teymour-aldridge/fuzzcheck_generators.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_arbitrary v1.1.3
[INFO] [stderr]   Downloaded arbitrary v1.1.3
[INFO] [stderr]   Downloaded async-compression v0.3.14
[INFO] [stderr]   Downloaded afl v0.12.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff59e28be5d3bfc3eb1c87f81270191d112eec07906a104116bfa37765c5d978
[INFO] running `Command { std: "docker" "start" "-a" "ff59e28be5d3bfc3eb1c87f81270191d112eec07906a104116bfa37765c5d978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff59e28be5d3bfc3eb1c87f81270191d112eec07906a104116bfa37765c5d978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff59e28be5d3bfc3eb1c87f81270191d112eec07906a104116bfa37765c5d978", kill_on_drop: false }`
[INFO] [stdout] ff59e28be5d3bfc3eb1c87f81270191d112eec07906a104116bfa37765c5d978
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fff9803697ce4a7778780c721d1789a6cc2860bd5a677e0870c94e3b17e7ea4c
[INFO] running `Command { std: "docker" "start" "-a" "fff9803697ce4a7778780c721d1789a6cc2860bd5a677e0870c94e3b17e7ea4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.131
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]    Compiling tokio v1.20.1
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.143
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling semver v1.0.13
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling serde v1.0.143
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling rustls v0.20.6
[INFO] [stderr]    Compiling serde_json v1.0.83
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling xdg v2.4.1
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling fuzzcheck v0.12.1 (https://github.com/MTRNord/fuzzcheck-rs.git?branch=patch-1#08befb2d)
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking os_str_bytes v6.2.0
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling fuzzcheck_mutators_derive v0.12.0 (https://github.com/MTRNord/fuzzcheck-rs.git?branch=patch-1#08befb2d)
[INFO] [stderr]    Compiling afl v0.12.4
[INFO] [stderr]     Checking fuzzcheck_common v0.12.0 (https://github.com/MTRNord/fuzzcheck-rs.git?branch=patch-1#08befb2d)
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_mutators_derive/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(stmt_expr_attributes)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `let` expressions in this position are unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_mutators_derive/src/lib.rs:336:8
[INFO] [stdout]     |
[INFO] [stdout] 336 |     if let Some(ident) = attribute.path.get_ident() && ident == "ignore_variant" {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #53667 <https://github.com/rust-lang/rust/issues/53667> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(no_coverage)]
[INFO] [stdout]   |            ^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `coverage_attribute`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: attributes on expressions are experimental
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:193:13
[INFO] [stdout]     |
[INFO] [stdout] 193 |             #[no_coverage]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: attributes on expressions are experimental
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:211:17
[INFO] [stdout]     |
[INFO] [stdout] 211 |                 #[no_coverage]
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: attributes on expressions are experimental
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:215:17
[INFO] [stdout]     |
[INFO] [stdout] 215 |                 #[no_coverage]
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: attributes on expressions are experimental
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:222:13
[INFO] [stdout]     |
[INFO] [stdout] 222 |             #[no_coverage]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: attributes on expressions are experimental
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:233:13
[INFO] [stdout]     |
[INFO] [stdout] 233 |             #[no_coverage]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: attributes on expressions are experimental
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:244:13
[INFO] [stdout]     |
[INFO] [stdout] 244 |             #[no_coverage]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: attributes on expressions are experimental
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:255:13
[INFO] [stdout]     |
[INFO] [stdout] 255 |             #[no_coverage]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: attributes on expressions are experimental
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |             #[no_coverage]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: attributes on expressions are experimental
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:276:21
[INFO] [stdout]     |
[INFO] [stdout] 276 |                     #[no_coverage]
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: attributes on expressions are experimental
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:288:21
[INFO] [stdout]     |
[INFO] [stdout] 288 |                     #[no_coverage]
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: attributes on expressions are experimental
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:305:21
[INFO] [stdout]     |
[INFO] [stdout] 305 |                     #[no_coverage]
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: attributes on expressions are experimental
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:314:17
[INFO] [stdout]     |
[INFO] [stdout] 314 |                 #[no_coverage]
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `no_coverage` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 |     #[no_coverage]
[INFO] [stdout]    |       ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `no_coverage` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:87:3
[INFO] [stdout]    |
[INFO] [stdout] 87 | #[no_coverage]
[INFO] [stdout]    |   ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `no_coverage` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:180:7
[INFO] [stdout]     |
[INFO] [stdout] 180 |     #[no_coverage]
[INFO] [stdout]     |       ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `no_coverage` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:193:15
[INFO] [stdout]     |
[INFO] [stdout] 193 |             #[no_coverage]
[INFO] [stdout]     |               ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `no_coverage` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:211:19
[INFO] [stdout]     |
[INFO] [stdout] 211 |                 #[no_coverage]
[INFO] [stdout]     |                   ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `no_coverage` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:215:19
[INFO] [stdout]     |
[INFO] [stdout] 215 |                 #[no_coverage]
[INFO] [stdout]     |                   ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `no_coverage` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:222:15
[INFO] [stdout]     |
[INFO] [stdout] 222 |             #[no_coverage]
[INFO] [stdout]     |               ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `no_coverage` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:233:15
[INFO] [stdout]     |
[INFO] [stdout] 233 |             #[no_coverage]
[INFO] [stdout]     |               ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `no_coverage` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:244:15
[INFO] [stdout]     |
[INFO] [stdout] 244 |             #[no_coverage]
[INFO] [stdout]     |               ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `no_coverage` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:255:15
[INFO] [stdout]     |
[INFO] [stdout] 255 |             #[no_coverage]
[INFO] [stdout]     |               ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `no_coverage` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:266:15
[INFO] [stdout]     |
[INFO] [stdout] 266 |             #[no_coverage]
[INFO] [stdout]     |               ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `no_coverage` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:276:23
[INFO] [stdout]     |
[INFO] [stdout] 276 |                     #[no_coverage]
[INFO] [stdout]     |                       ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `no_coverage` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:288:23
[INFO] [stdout]     |
[INFO] [stdout] 288 |                     #[no_coverage]
[INFO] [stdout]     |                       ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `no_coverage` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:305:23
[INFO] [stdout]     |
[INFO] [stdout] 305 |                     #[no_coverage]
[INFO] [stdout]     |                       ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `no_coverage` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:314:19
[INFO] [stdout]     |
[INFO] [stdout] 314 |                 #[no_coverage]
[INFO] [stdout]     |                   ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `no_coverage` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:344:3
[INFO] [stdout]     |
[INFO] [stdout] 344 | #[no_coverage]
[INFO] [stdout]     |   ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `no_coverage` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:411:7
[INFO] [stdout]     |
[INFO] [stdout] 411 |     #[no_coverage]
[INFO] [stdout]     |       ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `no_coverage` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:417:7
[INFO] [stdout]     |
[INFO] [stdout] 417 |     #[no_coverage]
[INFO] [stdout]     |       ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `no_coverage` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/fuzzcheck-rs-1b78926a176dffe1/08befb2/fuzzcheck_common/src/arg.rs:450:7
[INFO] [stdout]     |
[INFO] [stdout] 450 |     #[no_coverage]
[INFO] [stdout]     |       ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 32 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0557, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fuzzcheck_common` (lib) due to 33 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fuzzcheck_mutators_derive` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "fff9803697ce4a7778780c721d1789a6cc2860bd5a677e0870c94e3b17e7ea4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fff9803697ce4a7778780c721d1789a6cc2860bd5a677e0870c94e3b17e7ea4c", kill_on_drop: false }`
[INFO] [stdout] fff9803697ce4a7778780c721d1789a6cc2860bd5a677e0870c94e3b17e7ea4c
