[INFO] fetching crate dbgbb 0.3.2...
[INFO] checking dbgbb-0.3.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate dbgbb 0.3.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate dbgbb 0.3.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate dbgbb 0.3.2
[INFO] tweaked toml for crates.io crate dbgbb 0.3.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dbgbb 0.3.2 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dbgbb 0.3.2 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 920d749cbb0e237b1ea684d47bf9f15f04a26902d83f271269fee1c9a9912175
[INFO] running `Command { std: "docker" "start" "-a" "920d749cbb0e237b1ea684d47bf9f15f04a26902d83f271269fee1c9a9912175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "920d749cbb0e237b1ea684d47bf9f15f04a26902d83f271269fee1c9a9912175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "920d749cbb0e237b1ea684d47bf9f15f04a26902d83f271269fee1c9a9912175", kill_on_drop: false }`
[INFO] [stdout] 920d749cbb0e237b1ea684d47bf9f15f04a26902d83f271269fee1c9a9912175
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cbeb658fd71b9473c0ec51742d30aaa5417ed384097f7a7c8a994bfd9c6079a
[INFO] running `Command { std: "docker" "start" "-a" "2cbeb658fd71b9473c0ec51742d30aaa5417ed384097f7a7c8a994bfd9c6079a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking array-object v0.2.2
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling serde_derive v1.0.214
[INFO] [stderr]     Checking serde v1.0.214
[INFO] [stderr]     Checking bulletin-board-common v0.3.2
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking serde_bytes v0.11.15
[INFO] [stderr]     Checking dbgbb v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<ArrayObject, Infallible>
[INFO] [stdout]   --> tests/integration.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     post_read!(1usize, "1usize", usize);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `dbgbb` which comes from the expansion of the macro `post_read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dbgbb` (test "integration") due to 11 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<ArrayObject, Infallible>
[INFO] [stdout]   --> tests/integration.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     post_read!(1u64, "1u64", u64);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `dbgbb` which comes from the expansion of the macro `post_read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<ArrayObject, Infallible>
[INFO] [stdout]   --> tests/integration.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     post_read!(-1i64, "-1i64", i64);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `dbgbb` which comes from the expansion of the macro `post_read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ArrayObject, Infallible>
[INFO] [stdout]   --> tests/integration.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     post_read!(1f64, "1f64", f64);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `dbgbb` which comes from the expansion of the macro `post_read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ArrayObject, Infallible>
[INFO] [stdout]   --> tests/integration.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     post_read!(Complex64::new(1., 2.), "Complex64::new(1., 2.)", Complex64);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `dbgbb` which comes from the expansion of the macro `post_read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ArrayObject, Infallible>
[INFO] [stdout]   --> tests/integration.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     post_read!("text".to_string(), "\"text\".to_string()", String);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `dbgbb` which comes from the expansion of the macro `post_read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ArrayObject, Infallible>
[INFO] [stdout]   --> tests/integration.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     post_read!(vec![1u32, 2u32, 3u32], "vec![1u32, 2u32, 3u32]", Vec<u32>);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `dbgbb` which comes from the expansion of the macro `post_read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ArrayObject, Infallible>
[INFO] [stdout]   --> tests/integration.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         dbgbb_acc!(label=>"test", i);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `dbgbb_acc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ArrayObject, Infallible>
[INFO] [stdout]   --> tests/integration.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     dbgbb_flatten!(vv, depth=>1);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `dbgbb_flatten` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ArrayObject, Infallible>
[INFO] [stdout]   --> tests/integration.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     dbgbb_flatten!(vv.rename("vv2"), depth=>2);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `dbgbb_flatten` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ArrayObject, Infallible>
[INFO] [stdout]   --> tests/integration.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     dbgbb_concat!(vv3, depth=>1);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `dbgbb_concat` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2cbeb658fd71b9473c0ec51742d30aaa5417ed384097f7a7c8a994bfd9c6079a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cbeb658fd71b9473c0ec51742d30aaa5417ed384097f7a7c8a994bfd9c6079a", kill_on_drop: false }`
[INFO] [stdout] 2cbeb658fd71b9473c0ec51742d30aaa5417ed384097f7a7c8a994bfd9c6079a