[INFO] fetching crate gob 0.1.0...
[INFO] testing gob-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate gob 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate gob 0.1.0
[INFO] finished tweaking crates.io crate gob 0.1.0
[INFO] tweaked toml for crates.io crate gob 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate gob 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 49 packages to latest compatible versions
[INFO] [stderr]       Adding bytes v0.4.12 (available: v1.10.1)
[INFO] [stderr]       Adding owning_ref v0.3.3 (available: v0.4.1)
[INFO] [stderr]       Adding partial-io v0.3.1 (available: v0.5.4)
[INFO] [stderr]       Adding quickcheck v0.6.2 (available: v1.0.3)
[INFO] [stderr]       Adding serde_bytes v0.10.5 (available: v0.11.19)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_schema v0.0.1
[INFO] [stderr]   Downloaded proc-macro2 v0.3.8
[INFO] [stderr]   Downloaded serde_schema_derive v0.0.1
[INFO] [stderr]   Downloaded bencher v0.1.5
[INFO] [stderr]   Downloaded owning_ref v0.3.3
[INFO] [stderr]   Downloaded syn v0.13.11
[INFO] [stderr]   Downloaded quickcheck v0.6.2
[INFO] [stderr]   Downloaded partial-io v0.3.1
[INFO] [stderr]   Downloaded serde_derive_internals v0.23.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b52b59801fda7878443cbc272d5ced878f1e61a1c94fdd919029a3209310ef1f
[INFO] running `Command { std: "docker" "start" "-a" "b52b59801fda7878443cbc272d5ced878f1e61a1c94fdd919029a3209310ef1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b52b59801fda7878443cbc272d5ced878f1e61a1c94fdd919029a3209310ef1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b52b59801fda7878443cbc272d5ced878f1e61a1c94fdd919029a3209310ef1f", kill_on_drop: false }`
[INFO] [stdout] b52b59801fda7878443cbc272d5ced878f1e61a1c94fdd919029a3209310ef1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e3932535e217f2bbde1108325a5b8272b8abd24fbeb34dda6effb0757b8e37d
[INFO] running `Command { std: "docker" "start" "-a" "3e3932535e217f2bbde1108325a5b8272b8abd24fbeb34dda6effb0757b8e37d", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling serde_schema v0.0.1
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling serde_schema_derive v0.0.1
[INFO] [stderr]    Compiling gob v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unnecessary braces around block return value
[INFO] [stdout]   --> src/internal/types/struct_type.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         { Type::build().seq_type(None, TypeId::FIELD_TYPE) };
[INFO] [stdout]    |         ^^                                                ^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_braces)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 85 -         { Type::build().seq_type(None, TypeId::FIELD_TYPE) };
[INFO] [stdout] 85 +         Type::build().seq_type(None, TypeId::FIELD_TYPE) ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:41:58
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 write!(f, "{}: {}", ::std::error::Error::description(self), msg)
[INFO] [stdout]    |                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: variable does not need to be mutable
[INFO] [stdout]    --> src/internal/ser/serialize_wire_types.rs:110:29
[INFO] [stdout]     |
[INFO] [stdout] 110 |                         let mut ser = FieldValueSerializer {
[INFO] [stdout]     |                             ----^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_mut)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gob` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "3e3932535e217f2bbde1108325a5b8272b8abd24fbeb34dda6effb0757b8e37d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e3932535e217f2bbde1108325a5b8272b8abd24fbeb34dda6effb0757b8e37d", kill_on_drop: false }`
[INFO] [stdout] 3e3932535e217f2bbde1108325a5b8272b8abd24fbeb34dda6effb0757b8e37d