[INFO] fetching crate alox-48 0.6.0...
[INFO] checking alox-48-0.6.0 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate alox-48 0.6.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate alox-48 0.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate alox-48 0.6.0
[INFO] tweaked toml for crates.io crate alox-48 0.6.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate alox-48 0.6.0 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate alox-48 0.6.0 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 884e37a21a528ae940cf4ad8bdc76b9cbf154e511e31db56e2f8c597d42453ed
[INFO] running `Command { std: "docker" "start" "-a" "884e37a21a528ae940cf4ad8bdc76b9cbf154e511e31db56e2f8c597d42453ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "884e37a21a528ae940cf4ad8bdc76b9cbf154e511e31db56e2f8c597d42453ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "884e37a21a528ae940cf4ad8bdc76b9cbf154e511e31db56e2f8c597d42453ed", kill_on_drop: false }`
[INFO] [stdout] 884e37a21a528ae940cf4ad8bdc76b9cbf154e511e31db56e2f8c597d42453ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 446e71c3bfde28c132df118b0a10f27ef79de5eeec286e926be039db9c4fd2c4
[INFO] running `Command { std: "docker" "start" "-a" "446e71c3bfde28c132df118b0a10f27ef79de5eeec286e926be039db9c4fd2c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]     Checking miniz_oxide v0.7.3
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking pretty-hex v0.4.1
[INFO] [stderr]     Checking bytemuck v1.16.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.1
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking color-eyre v0.6.3
[INFO] [stderr]    Compiling darling_core v0.20.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling enum-as-inner v0.6.0
[INFO] [stderr]     Checking thiserror v1.0.61
[INFO] [stderr]    Compiling darling_macro v0.20.9
[INFO] [stderr]    Compiling darling v0.20.9
[INFO] [stderr]    Compiling alox-48-derive v0.3.2
[INFO] [stderr]     Checking alox-48 v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `data` is never read
[INFO] [stdout]   --> src/value/mod.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         data: RbString,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `flags` is never read
[INFO] [stdout]   --> src/value/mod.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         flags: u8,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `module` is never read
[INFO] [stdout]   --> src/value/mod.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         module: Symbol,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]   --> src/value/mod.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         value: Box<Value>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `class` is never read
[INFO] [stdout]   --> src/value/mod.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         class: Symbol,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]   --> src/value/mod.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         value: Box<Value>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `class` is never read
[INFO] [stdout]   --> src/value/mod.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         class: Symbol,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]   --> src/value/mod.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         value: Box<Value>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `class` is never read
[INFO] [stdout]   --> src/value/mod.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         class: Symbol,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]   --> src/value/mod.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         value: Box<Value>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BytesVisitor` is never constructed
[INFO] [stdout]    --> src/rb_types/rb_string.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | struct BytesVisitor;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]  --> examples/serialize.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Foo(String);
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `data` is never read
[INFO] [stdout]   --> src/value/mod.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         data: RbString,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `flags` is never read
[INFO] [stdout]   --> src/value/mod.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         flags: u8,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `module` is never read
[INFO] [stdout]   --> src/value/mod.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         module: Symbol,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]   --> src/value/mod.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         value: Box<Value>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `class` is never read
[INFO] [stdout]   --> src/value/mod.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         class: Symbol,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]   --> src/value/mod.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         value: Box<Value>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `class` is never read
[INFO] [stdout]   --> src/value/mod.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         class: Symbol,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]   --> src/value/mod.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         value: Box<Value>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `class` is never read
[INFO] [stdout]   --> src/value/mod.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         class: Symbol,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]   --> src/value/mod.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         value: Box<Value>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BytesVisitor` is never constructed
[INFO] [stdout]    --> src/rb_types/rb_string.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | struct BytesVisitor;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.59s
[INFO] running `Command { std: "docker" "inspect" "446e71c3bfde28c132df118b0a10f27ef79de5eeec286e926be039db9c4fd2c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "446e71c3bfde28c132df118b0a10f27ef79de5eeec286e926be039db9c4fd2c4", kill_on_drop: false }`
[INFO] [stdout] 446e71c3bfde28c132df118b0a10f27ef79de5eeec286e926be039db9c4fd2c4